Category Archives: Ball Screws

Motion Control – Steinmeyer Miniature Ball Screws: Widest Size Selection in the Industry!

Motion Control – Miniature Ball Screws

motion control - miniature ball srews

Woburn, MA –Motion Control – We are very proud of our miniature screw product line. It features shaft diameters down to 3 mm, and pitch down to 0.5 mm. All of our screws are available with either cylindrical, threaded or flanged nuts, or a custom nut of your own design.

 

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Miniature ball screw drives are primarily used in the semiconductor industry, as well as in optical, medical and measurement engineering applications. Our portfolio of miniature ball screw drives offers a total of 5 different nut shapes for your mounting design. The nuts can be provided either with preloading (for zero backlash) or axial play. They can be combined with two standard types of shafts or a custom shaft. Ground recirculating ball screws are available in accuracy classes P1 to P5. Rolled versions with lower accuracy exist starting from a minimum nominal diameter of 8 mm.

Special versions, for example for clean room applications or vacuum engineering, are available upon request. Our experience and proven quality is evident here too.

Motion Control – Steinmeyer Celebrates 100 Year Anniversary!

Motion Control – Steinmeyer 100 Year Anniversary!

motioncontrol - ball screws

Woburn, MA, USA, – Steinmeyer, the German-based maker of precision ball screws, marks its 100-year anniversary in 2020. The company was founded by August Steinmeyer in 1920 as a precision thread grinding shop and soon began producing micrometers as its first product. In 1965, Steinmeyer began manufacturing its signature product, precision ground ball screws.

motion control - Steinmeyer

Today, it employs over 400 workers at its Albstadt, Germany headquarters, the site of its founding. Steinmeyer now crafts an expansive line of ground, rolled and aerospace ball screws that are used in a wide range of linear motion applications.

The internationally recognized company has now grown to three divisions, bringing its total employment 680. Steinmeyer Mechatronik makes custom motion systems, and Feinmess Suhl makes custom metrology systems.

Said Bruce Gretz, Executive Vice President of Steinmeyer’s North American subsidiary, “We are proud to be part of a legacy that looks back on 100 years of tradition.”

Please contact Bruce Gretz at 781-273-6220 or bruce.gretz@steinmeyer.com for more information.

 

About Steinmeyer

Steinmeyer is the world’s longest continuously operation manufacturer of brecision ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality. As an added value, we offer custom linear modules from our highly and experienced Mechatronik division. We also have a long history making precision lead screws and offer one of the most innovative and diverse product lines in the world.

Designed and manufactured in Germany, our products are used globally in machine tool, medical devices, lab instruments, optics and many other mechatrinic applications. Steinmeyer engineers will work closely with you to customize our offering to deliver a solution that meets your technical requirements and budget.

Contact Steinmeyer for further information on their extensive product portfolio:

781-273-6220

infoUSA@steinmeyer.com

Visit steinmeyer.com/

Steinmeyer Ball Screw Resource Center


See this and other Motion Control Ball Screws, Stages, Technology Notes, Custom Components from Steinmeyer featured on:

http://MotionShop.com

http://AllMotionBlogger.com

http://Automation-Blogger.com

http://MotionControlBlogger.com

http://motioncontrolBuyersGuide.com

http://MotionControlWeb.com

http://MotionShop.net

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Motion Control – Steinmeyer Tutorial Series – Ball Screws – Explaining Load Capacity!

Motion Control – Ball Screw Tutorial

motion control - ball screws

 


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Tutorial presented by Steinmeyer – Many engineers are confused about this topic, especially if they don’t work frequently with ball screws. So let’s take a moment to explain the terminology.

 

BURLINGTON, MA — There are generally two load capacities given for a particular ball screw: Dynamic and Static.

Dynamic Load Capacity

The dynamic load capacity (DLC) is simply a load rating. It’s the load for a (theoretical) life of 1 million revolutions (ISO/JIS standard) or for 1 million inches of travel (ANSI standard). The DLC is critical for making lifetime calculations, since the expected life goes as the cube of the ratio of DLC to actual load. So, if the load is only 10% of DLC, then the expected life is 1 billion revolutions.

But that still doesn’t mean you could run the screw with this kind of load and expect a to achieve that life! Why? The normal maximum operating load of a general use ball screw is about 30% of the DLC. (Above that, the elastic deformation of the balls and races is too large, which may cause excessive wear.) So, if you run a ball screw with a load equal to its DLC, you may not get as much life as you expect.

Static Load Capacity

The static load capacity (SLC) indicates the load above which the screw may be damaged. Staying below SLC ensures that balls and races don’t suffer brinelling (or plastic deformation). This is critical! But bear in mind that a ball screw may be damaged in other ways with loading below the SLC: you could easily tear off the flange of the nut, snap the bearing or drive journal of the screw, or even collapse it from exceeding the buckling load.

About Steinmeyer

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality.

Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and mechatronic applications.

Contact Steinmeyer for further information on their extensive product portfolio:

781-273-6220

infoUSA@steinmeyer.com

Visit Steinmeyer.com

Steinmeyer Ball Screw Resource Center


See this and other Motion Control Ball Screws, Stages, Technology Notes, Custom Components from Steinmeyer featured on:

http://MotionShop.com

http://AllMotionBlogger.com

http://Automation-Blogger.com

http://MotionControlBlogger.com

http://motioncontrolBuyersGuide.com

http://MotionControlWeb.com

http://MotionShop.net

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Motion Control – Case Study – Ball Screws used in Wearable Pumps!

Motion Control – Case Study: Wearable Pumps!

motion control ball screw application

 


motion control - steinmeyer linear motion componentsThe Next Generation of Intelligent Balloon Catheters Depend on Novel Designs of Ball Screw Driven Pumps

Woburn, MA –Motion Control Components Ball Screws – Case Study –

Situation:

In the realm of cardiovascular assist devices, recent developments have focused on fully implantable pumps. Among the first was HeartMate, quickly followed by Impella and HeartWare. Fully implantable devices are very expensive to develop and produce. Plus they are limited to patients who can tolerate the highly invasive procedure.

A key development in cardiovascular assist devices would be to combine the less-invasive approach of implantable balloons and external pumps with the high portability and reliability of fully implantable systems. This advance would allow the treatment of a much wider range of patients and conditions. A Steinmeyer customer set out to develop an innovative pump to achieve this advance in an intra-aortic system

 

Challenge:

One of the main technical challenges to this approach is designing a wearable pump that can carefully control the balloon’s pressurization. The pump must meet a demanding combination of performance requirements, including:

  • Precise control of pressure
  • Reversible pressurization
  • Light weight
  • Compact size
  • Quiet operation
  • Continuous performance for at least one year

Meeting these requirements was a significant challenge for their engineers. They built and tested early prototypes using traditional designs such as diaphragm pumps. But this approach required separate chambers for positive and negative pressure. The resulting systems were far too large and heavy. So they were forced to find a new approach.

motion control ball screw medical application

Results:

Their main innovation was selecting a precision ground ball screw as the drive mechanism and pairing it with a custom engineered metal bellows as the pressure chamber. Ball screws deliver exceptional thrust density while enabling high linear acceleration in both the forward and reverse directions. Surrounded by the bellows, this results in an extremely compact and quiet design. Ball screws are also known for their high efficiency (>90%), smooth operation, and long life. Their efficiency enables the use of small motors and low power consumption, which in turn reduce the size and weight of the entire system.

The engineers turned to Steinmeyer to ensure the smoothest running, highest quality ball screw. And they also knew that Steinmeyer was extremely well-qualified to provide technical support through all stages of development. Their system is meeting all of its design requirements and will soon enter late stage clinical trials.

motion control application medical

To Download a PDF of this Case Study Go To – https://ballscrew-tech.com/2017/05/26/wearable-pumps-for-medical-devices-count-on-ball-screws/

 

motion control case study wearable pumps

Future:

There is an emerging trend in the development of balloon catheters to serve cardiovascular applications. Intelligent balloon catheters may one day be key to innovation. These devices will use flexible sensors and electronics along the catheter for data collection and therapeutics. They will also incorporate balloons to apply mechanical force in the heart and arteries. Ball screw driven pumps will support these future systems as well.

About Steinmeyer

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality.

Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and other mechatronic applications.

Contact Steinmeyer for further information on their extensive product portfolio:

781-273-6220

infoUSA@steinmeyer.com

Visit Steinmeyer.com

Steinmeyer Ball Screw Resource Center

 

Other Interesting Case Studies from Steinmeyer:

For the Case Study “Custom Linear Modules for Lithography Masking” CLICK HERE

For the Case Study “Pipetting” CLICK HERE


See this and other Motion Control Ball Screws, Stages, Technology Notes, Custom Components from Steinmeyer featured on:

http://MotionShop.com

http://AllMotionBlogger.com

http://Automation-Blogger.com

http://MotionControlBlogger.com

http://motioncontrolBuyersGuide.com

http://MotionControlWeb.com

http://MotionShop.net

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Motion Control – Ball Screws for Aerospace Applications from Steinmeyer

Motion Control – Aerospace Ball Screws

motion control aerospace ball screws

 


motion control ball screwsWoburn, MA — Steinmeyer develops customized solutions for many applications in the aerospace industry. Here are brief overviews of the possibilities of Steinmeyer Aerospace:

Flap-Actuators

For actuators in various flap applications, Steinmeyer offers a wide range of ball screw drives. Our designs are already proven in volume production over many years and have a variety of features. These include specific solutions with spherical and gimbal suspension as well as modular systems.

Actuators for Braking Systems

In the field of ball screw drives for brake actuators, Steinmeyer has already implemented several products. The focus here is the development of specific solutions with extremely high load capacity, optimized solutions with minimized installation space, as well as customer-specific designs.

Electromechanical Actuators

For various other actuators in aviation applications, Steinmeyer draws on a broad spectrum of cost-optimized products. These include various applications such as solutions for air-conditioning and door actuators.

Aerospace | Unmanned Air Vehicles

Steinmeyer is a reliable partner in the field of space travel. We offer titanium versions in the for space travel and ball screw drives for the control of fins on missiles and unmanned air vehicles.

Steinmeyer Aerospace Possibilities

– Build-to-Print Production of existing programs according to existing designs. Short-term realization of your needs.

– Build-to-Spec Reliable partner in developing, designing, and manufacturing according to your specifications.

– Engineering Services Design and development of aerospace ball screw drives.

– Support Assistance with the aerospace qualification process.

motion control aerospace ball screws catalog

Download Aerospace BrochureCLICK HERE!

 

About Steinmeyer

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality.

Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and other mechatronic applications.

Contact Steinmeyer for further information on their extensive product portfolio:

781-273-6220

infoUSA@steinmeyer.com

Visit steinmeyer.com/

Steinmeyer Ball Screw Resource Center


See this and other Motion Control Ball Screws, Stages, Technology Notes, Custom Components from Steinmeyer featured on:

http://MotionShop.com

http://AllMotionBlogger.com

http://Automation-Blogger.com

http://MotionControlBlogger.com

http://MotionControlBuyersGuide.com

http://MotionControlWeb.com

http://MotionShop.net

http://MotionControlMarketing.com

http://Gotcha-Stick.com

 

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Motion Control – Case Study: Precision Ground Ball Screw Drives Universal Pipetting Module!

Motion Control Case Study – Pipetting

COVID-19 Testing / Sampling Applications

motion control - Pipetting Module


Reaching New Levels of Speed, Lifetime, and Force Sensitivity

Woburn, MA –Motion Control Components Ball Screws – Case Study –

Situation:

In the area of automated laboratory equipment, servo-controlled pipetting modules are a key component of high-throughput systems. A major, global OEM had been using an off-the-shelf linear actuator to drive the pipette. This actuator had a limited range of capability in terms of speed, positioning accuracy, and force sensitivity. Although it met the minimum technical requirements and was cost-effective, engineers soon were asked to push performance to the next level.

 

Challenge:

The company decided to develop a next-generation system. Throughput was essential, as it wanted to target the largest hospitals and laboratories handling tens of thousands of samples annually. The pipetting module also needed to have enhanced flexibility to support a greater variety of operations. It should allow for a wider range of speeds and be highly accurate in both positioning and bottom-finding. Engineers were also tasked with achieving a 10-year lifetime with little or no maintenance. This high lifetime was critical because their business model included free field service. To meet these new requirements, the actuator would have to be redesigned. In particular, the bearing configuration did not support the required accuracy and sensitivity. The supplier was unwilling to modify its design. Company engineers realized that they would have to design a custom actuator.

motion control steinmeyer ball screw

Resolution:

They came to Steinmeyer for a precision ground ball screw. They knew that Steinmeyer had world-class quality and a very wide selection of miniature screw sizes. For this project, they were able to consider shaft diameters of 5mm or 6mm, with pitch down to 0.5mm! They selected a 6mm screw to meet the challenge. Company engineers conducted extensive performance testing on the first prototype quantities. They put the new module through an exhaustive regimen of motion, and measured positioning, force sensitivity, friction torque, motor current, and other parameters. They verified that their module design met all of the new performance requirements. The company has since achieved FDA approval for the new system and formally launched commercial sales.

Future Plans:

Noise minimization is important for laboratory equipment. The next generation pipetting module will look to ensure the quietest possible operation. The OEM will be evaluating our proprietary super-finishing process called optiSLITE. This technology removes the largest irregularities left over from thread grinding of the shaft. The resulting surface yields a noticeably smoother and quieter operation.

motion control ball screw surface finish

To Download a PDF of this Case Study Go To – https://ballscrew-tech.com/2019/05/17/case-study-pipetting-module-driven-by-ground-ball-screw/

motion control application - pipetting

About Steinmeyer

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality.

Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and other mechatronic applications.

 

Contact Steinmeyer for further information on their extensive product portfolio:

781-273-6220

infoUSA@steinmeyer.com

Visit Steinmeyer.com

Steinmeyer Ball Screw Resource Center

 

Other Interesting Case Studies from Steinmeyer:

For the Case Study “Custom Linear Modules for Lithography Masking” CLICK HERE

For the Case Study “Wearable Pumps” CLICK HERE


See this and other Motion Control Ball Screws, Stages, Technology Notes, Custom Components from Steinmeyer featured on:

http://MotionShop.com

http://AllMotionBlogger.com

http://Automation-Blogger.com

http://MotionControlBlogger.com

http://MotionControlBuyersGuide.com

http://MotionControlWeb.com

http://MotionShop.net

http://Catalogs-MotionControl.com

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Motion Control – Innovative End Cap Return Enables Quiet Screws!

Motion Control – Ball Screws!

motion control - ball screw end cap

 

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Question – Can Ball Screws be any quieter?

Answer – YES! The Steinmeyer, “Quiet Series”, Ball Screws featuring innovative end caps reduces noise by 50%!

Woburn, MA – Ball screws with high leads and high linear speeds are notoriously noisy. The loading and unloading of the balls against the return is the main source of noise. With steel balls and steel returns, this cycling can create a loud “whirling” sound at high speeds, especially when using preloaded ball nuts. Steinmeyer has been researching this issue, and recently announced some important results involving process improvements that may yield benefits across most of our product range.

Meanwhile, on the design side, the innovative plastic end caps provide a solution for small diameter screws. As shown in the 3D drawing below, the steel body (blue) has an integrated flange and “through the nut” ball recirculation. The plastic end caps (gray) provide quiet return, and may also include integrated combination wipers (not shown).

Quiet Series screws are designed typically for a lead/diameter ratio greater than 0.5. Due to the high lead, they are especially well-suited for use in high speed pick-and-place actuators. The screws are available in diameters from 5 to 20 mm and leads up to 32 mm! All feature dual start threads, P5 accuracy grade, and ball nuts with zero or minimum axial play. So, if you are running a high-speed application and your current ball screws are too noisy, contact Steinmeyer and ask about our Quiet Series. We may have an ideal solution that gets you running quiet.

To learn more go to: http://www.steinmeyer.com/en/products/drive-technology/

About Steinmeyer

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality.

Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and other mechatronic applications.

Contact Steinmeyer for further information on their extensive product portfolio:

781-273-6220

infoUSA@steinmeyer.com

Visit Steinmeyer.com

Steinmeyer Ball Screw Resource Center


See this and other Motion Control Ball Screws, Stages, Technology Notes, Custom Components from Steinmeyer featured on:

http://MotionShop.com

http://AllMotionBlogger.com

http://Automation-Blogger.com

http://MotionControlBlogger.com

http://motioncontrolBuyersGuide.com

http://MotionControlWeb.com

http://MotionShop.net

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Motion Control – Case Study: Wearable Pumps Driven by Ball Screws!

Motion Control – Ball Screws are Enabling the Next Generation of Cardiovascular Assist Devices

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Woburn, MA — Ball Screws – Case Study  In this Case Study you will learn how a novel, ball screw driven pump made life-changing, ambulatory therapy possible for cardiovascular patients. Read how mechanical engineers utilized smooth running and quiet miniature ball screws from Steinmeyer to satisfy the demanding requirements of this medical advancement. The challenges included:.

  • Precise control of pressure
  • Light weight and compact
  • Quiet

CLICK HERE To Download CASE STUDY

About Steinmeyer

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality.

Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and other mechatronic applications. www.steinmeyer.com

For further information on Steinmeyer our extensive product portfolio, call 1-781-273-6220 or e-mail Bruce Gretz at bruce.gretz@steinmeyer.com or visit Steinmeyer at: www.steinmeyer.com

For other Motion Control Components, Applications, and Technology from Steinmeyer visit: http://MotionShop.com

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Motion Control – Steinmeyer Tutorial – Ball Screws – Maximum Load!

Motion Control Components - Steinmeyer Cooled Ball Screws

 

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Tutorial presented by Steinmeyer – Their Ball Screws are specially manufactured for dynamic performance

BURLINGTON, MA –Motion Control Tutorial – Ball Screws – Maximum Load

There are five ways a ball screw may fail due to overload:

  • Excessive dynamic loading, which means the screw makes too many revolutions under a certain load resulting in material fatigue. This can be avoided by selecting a ball screw with sufficient dynamic load capacity (or by reducing the number of revolutions and/or reducing the load). This is the subject of the load capacity discussion.
  • Exceeding the static load capacity, which causes instant and permanent damage to the ball screw due to brinelling of balls and races, and prevents any further normal operation of the ball screw. Static load capacities are listed as technical data.
  • Buckling of the shaft under compressive load. Buckling load value depends on bearing method and free length of the loaded ball screw shaft.
  • Failure of the nut body or of the bolts that connect it to the slide. This may happen even before the static capacity is reached. Safe loads are discussed on the following pages.
  • Radial loads. It means the load capacities given in this catalogue apply only to pure axial loading. As there are always tolerances in the alignment of bearings and linear guideways, there may be a small amount of radial force, which should be minimized. Under normal conditions, a radial load less than 5% of the minimum axial load will not cause any problems. When considering a ball screw for use under radial load, please consult Steinmeyer engineers.

BUCKLING

There are several analytical ways to demonstrate safety from buckling. In machine design, the most frequently used is a simple calculation using formulas based on Euler equations.

Other, more accurate methods include non-linear FEM analysis and more involved mathematics. These methods are normally used in aerospace applications, where excess safety margins are not possible due to weight limitations. Please contact us if you require such an analysis.

Please CLICK HERE for a simple form of buckling analysis. Buckling

FRACTURE LOAD

Some ball screws cannot be loaded all the way to their static capacity. Screws with high dynamic load capacity (which might be selected to obtain a long enough service life at a much lighter load) will necessarily have a high static capacity. But the term “static capacity” is misleading, since the ball screw may actually fail due to fracture of the nut flange, nut body, or connecting bolts before reaching this load!

Please CLICK HERE for the maximum safe loads. Fracture Load

TECHNICAL TIP

A reasonable load for a ballscrew, which may be sustained for significant travel, is about 10% of its dynamic capacity.

A mean load of 10% of its dynamic capacity results in a theoretical life of 1 billion revolutions, which is the upper limit of the range where the life equation is valid. Mean loads of a reasonably sized ball screw will therefore be somewhat higher than this, but normally not exceed 20% of its dynamic capacity.

For short peak loads, the loading may be higher, but normally the loading of a ball nut with 2-point contact should not exceed 2.8 times the preload. And preload is around 5% – 10% of dynamic capacity.

As a rule of thumb, this all means the load range for a ball screw, to be used in a machine tool application, is really about 10% to 30% of its dynamic capacity. However Steinmeyer ball screws are used in many applications as force actuators where the loading is up to 100% of dynamic capacity but with low speed and acceleration. For example, they may be used to power injection molding machines, where high forces occur at reduced speed. Please consult our engineers for details.

Please CLICK HERE for information on Accounting for preload.

About Steinmeyer

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality.

Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and other mechatronic applications. www.steinmeyer.com

For further information on Steinmeyer our extensive product portfolio, call 1-781-273-6220 or visit the Steinmeyer FMD group at: www.steinmeyer.com/en/steinmeyer

 

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Motion Control Components – Now In Stock – Steinmeyer Miniature Ball Screws!

Motion Control Components - Steinmeyer - In Stock Miniature Ball Screws

 

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Steinmeyer Stocks a Selection of Miniature Ball Screws for OFF-THE-SHELF Delivery!

BURLINGTON, MA –Motion Control Components – Steinmeyer, the German-based maker of precision ball screws, announces a new program to stock a selection of miniature ball screws. The samples are available now for immediate shipment. The program involves stocking a selection of catalog designs that are mainly intended for use as prototypes for new customers. It is ideal for engineers needing miniature ball screws for early-stage development of precision machines, instruments and devices. Stock consists of diameter selections of 3mm, 6mm, 8mm, and 12mm, with a variety of pitches and lengths. Nut designs include threaded or cylindrical.

The miniature ball screw program includes the option to pay by credit card to enable engineers to purchase the samples with minimal effort. Said Bruce Gretz, Executive Vice President of Steinmeyer, Inc., “We want to make it as easy as possible for engineers to get their hands on a Steinmeyer miniature ball screw. Once they feel the quality and workmanship, we are confident that they will be customers for a long time.”

Please contact Steinmeyer for a complete inventory list by calling 781-273-6220, or email your request to bruce.gretz@steinmeyer.com. View Steinmeyer’s Miniature Ball Screw Catalog for extensive information on the wide range of options available by special order.

About Steinmeyer

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality.

Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and other mechatronic applications. www.steinmeyer.com

For further information on Steinmeyer our extensive product portfolio, call 1-781-273-6220 or visit the Steinmeyer FMD group at: www.steinmeyer.com/en/steinmeyer

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Motion Control – Rolled Ball Screws from Steinmeyer!

Motion Control Components - Steinmeyer Rolled Ball Screws

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Steinmeyer Rolled ball screws provides an excellent price-performance ratio. They are used for applications with lower requirements for efficiency and lifetime.

BURLINGTON, MA –Motion Control Components – Rolled ball screws from Steinmeyer are in most of the cases a highly attractive alternative compared with other driving solutions, like rack and pinion or belt-drive systems. Steinmeyer rolled ball screws are used in linear modules in handling applications, in medical applications, and also on the feed axis in woodworking machining centers.

Through a highly efficient and fully automated deformation process in the manufacturing of the screw shafts, Steinmeyer rolled ball screws exhibit a very attractive price-to-performance ratio, along with high precision. This product is available as a ready-made ball screw, with the nut mounted and bearing journal machined, or delivered as an unmounted shaft and nut.

The hardened and tempered screw shafts can be produced in lengths up to 3m, for nominal diameters of 20mm or below, and up to 6m in diameters of 25mm and above.

Steinmeyer rolled ball screws are executed in an accuracy class up to T5, looking at the lead error and also at all other specified tolerances in geometry and position.

Using either a liner or an axial deflector system, the single nuts are designed with a flange according to ISO 3408 dimensions or with a connecting thread.

To Download the catalog Rolled Ball Screws Click Here

About Steinmeyer

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality.

Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and other mechatronic applications. www.steinmeyer.com

For further information on Steinmeyer our extensive product portfolio, call 1-781-273-6220or visit the Steinmeyer FMD group at: www.steinmeyer.com/en/steinmeyer

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Steinmeyer Motion Control Videos
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Motion Control Components – Ultra Thrust Ball Screws from Steinmeyer!

Motion Control Components - Steinmeyer Ultra Thrust Ball ScrewsWoburn, MA –Motion Control Components – In recent years, ball screws have been looked at more and more favorably as replacements for hydraulics. They offer higher efficiency and speed, and can be controlled more precisely with servo loops. And who wants to deal with the unavoidable maintenance and disposal hassle of hydraulics?

Steinmeyer has been supporting this market shift with its line of Ultra Thrust ball screws. These screws utilize larger balls to support much greater load capacities. More recently, we have introduced innovations in through-the-nut return systems to push performance even higher.

The Ultra Thrust line began with our 50×20 mm nut using 15 mm balls. Our standard nut of that size, with 9.5 mm balls, was rated at a dynamic capacity of about 120 kN (12 tons). But the Ultra Thrust version exceeded twice the capacity, reaching 262 kN. We then expanded the line to include larger nuts. Most of our Ultra Thrust screws in the field are sized at 80×20 or 63×20.

More recently we extended the line with a 100×25 mm nut, using 19 mm balls. These screws have proved themselves in the most demanding applications of injection molding.

Beyond increasing the ball diameter, Steinmeyer has designed new return systems to optimize the load capacity. Our latest innovation uses multiple through-the-nut return paths, shown in the schematic below. With this system, the screw exceeds 1,400 kN of dynamic capacity!

Learn more: https://drive.steinmeyer.com/products/ultra-thrust-ball-screws/

About Steinmeyer

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality.

Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and other mechatronic applications. www.steinmeyer.com

For further information on our extensive product portfolio, call 1-781-273-6220 or visit Steinmeyer  at: www.steinmeyer.com

 

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Motion Control White Paper – Life Expectancy for Single Vs. Double Nut Ball Screws

Motion Control Components – White Paper – Life Expectancy for Single vs. Double Nuts by Steinmeyer!

Motion Control Components - Steinmeyer Single and Double Nuts

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Life expectancy equations provided by some manufacturers only cover nuts having two-point contact. But what about four-point nuts? And what about the effects of preload?

BURLINGTON, MA –Motion Control Components – The fundamental determining factor of life expectancy is duty cycle, which includes load, thrust, speed, and duration of the travel. Calculating these forces is commonly understood. But preload is a very important factor in ball screw life calculations and must always be considered.  In cases where the applied external load is low, preload can determine as much as 90% of the life.

Steinmeyer engineers have developed a preload graph that consists of two curves: each representing the force-deflection curve of one ball nut in a double nut configuration. It shows how deflections increase with greater force (and vice versa). It also displays how the forces in the opposite nut decrease as soon as deflection results in an axial displacement. For example, with double nuts, the higher the thrust carried by one nut, the more likely it will be the first to fail if not properly preloaded.

Motion Control Components - Steinmeyer Single and Double Nuts Chart

 

Since single nuts have four-point contact there are twice as many load/unload cycles for each given spot on the ball surface. The preload penalty of the four-point contact configuration is anywhere between a 50% life reduction (if the only force the nut sees is due to preload), and no reduction at all if there is zero preload. Real-world applications fall somewhere in between.

Lastly, if thrust is high enough to cause sufficient deflection, one set of balls in a double nut may run unloaded, which is generally unacceptable and potentially catastrophic. The preload must be high enough to ensure unloading will never occur. This isn’t the case for single nuts since there is no ball set to be unloaded, and exceeding the limits in the preload graph above is not a problem. Therefore, the life penalty depends on preload – life increases as preload is reduced

Does a Single Nut Have the Same Life Expectancy as a Double Nut?

Learn more about the nut designs from Steinmeyer Go to:

Nut Designs – https://drive.steinmeyer.com/technology/preload-and-rigidity/nut-designs/

Single Nut – https://drive.steinmeyer.com/technology/preload-and-rigidity/nut-designs/single-nut/

Double Nut – https://drive.steinmeyer.com/technology/preload-and-rigidity/nut-designs/double-nut/

Steinmeyer Technology Catalog – https://drive.steinmeyer.com/fileadmin/media/downloads/en/steinmeyer-catalog_technology_engl_2017.pdf (see pages 21 through 23)

Key Takeaways:

  • Differences between single and double nuts
  • Determining the life of a ball screw
  • Calculating impact of usage/application
  • Understanding the effects of preload

Contact Steinmeyer engineers to the see if which nut design is right for your application.

About Steinmeyer

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality.

Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and other mechatronic applications. www.steinmeyer.com

For further information on Steinmeyer our extensive product portfolio, call 1-781-273-6220 or e-mail Rosmary Belt at rosmary.belt@steinmeyer.com or visit the Steinmeyer FMD group at: www.steinmeyer.com

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Motion Control – Cooled Ball Screws from Steinmeyer!

Motion Control Components - Steinmeyer Cooled Ball Screws

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Steinmeyer Ball Screws are specially manufactured for dynamic performance

BURLINGTON, MA –Motion Control Components – When manufacturers use CNC milling machines or machine tools to serially manufacture parts, they expect gage accuracy to be maintained for all manufactured parts and, at the same time, a reduction in the machine’s total non-productive time. For the ball screw drive as a performing part in the power flow, this implies repetitive motion with high rapid traverse speeds and acceleration values. These high dynamic stresses cause unequal heating of the ball screw drive. Preloading increases this heating which seriously reduces the lifetime of the ball screw drive. The transfer of heat to other machine tool parts can adversely affect the accuracy of the work piece. These inaccuracies accumulate during the course of production, with very undesirable impact.

Separate consideration of shaft cooling

Gage accuracy with simultaneous high dynamic performance can only be maintained if operating temperatures are kept constant. It is not always the best solution to cool just one component in the ball screw. The non-uniform temperature rise in the components is accompanied by expansion in diverse directions. The shaft and nut cooling, as well as the type of preloading are separately considered in the initial design phase to ensure the options are correctly combined with the load requirements during the second stage of the design. As a longstanding development partner of renowned machine manufacturers, Steinmeyer offers production-proven solutions.

About Steinmeyer

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality.

Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and other mechatronic applications. www.steinmeyer.com

For further information on Steinmeyer our extensive product portfolio, call 1-781-273-6220 or e-mail Rosmary Belt at rosmary.belt@steinmeyer.com or visit the Steinmeyer FMD group at: www.steinmeyer.com

 

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Motion Control Application – Wearable Pumps for Medical Devices Count on Ball Screws from Steinmeyer!

Motion Control Application - Steinmeyer Ball Screws used in Medical Pumps

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BURLINGTON, MA –Motion Control Applications – Motion Control Components – There has been a tremendous amount of innovation lately in the design of medical devices and lab instruments. One of the critical aspects of the new products being developed is linear motion. And Steinmeyer is proud to be directly involved in providing drive solutions to our cutting-edge customers. We currently have several on-going applications involving wearable pumps driven by ball screws, and I wanted to share some of the specifics.

Implantable medical devices naturally place extreme requirements on size, materials, lifetime, and reliability. These constraints drive up cost and complexity. Incorporating all of this function into a single implantable is extremely challenging. Not only that, but servicing the pump requires major surgery!

One solution is to break down the system into two components—one implantable and one wearable. The implantable component handles minimal functionality and consists simply of a balloon. The wearable component enjoys much looser design requirements. In the projects we are working with, a wearable pump is used to drive compressed air through a catheter that passes into the body.

A wearable pump offers the advantages of being small, quiet, and very reliable. That is where precision ball screws come into play. Steinmeyer offers standard miniature screws in diameters 3 to 16 mm. The diameter typically required for this application ranges from 8 to 12 mm. Custom products can be developed as well for applications that need it. Steinmeyer ball screws also feature our proprietary super finishing process, called optiSLITE. This improves the surface quality of the shaft threads for reduced friction torque, quieter operation, and longer life.

About Steinmeyer

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality.

Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and other mechatronic applications. www.steinmeyer.com

For further information on Steinmeyer our extensive product portfolio, call 1-781-273-6220 or e-mail Rosmary Belt at rosmary.belt@steinmeyer.com or visit the Steinmeyer FMD group at: www.steinmeyer.com

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Steinmeyer optiSLITE Miniature Ball Screws Deliver Smoother, Quieter, and Longer Life Performance in Linear Axis Stages!

Steinmeyer optiSLITE Ball Screws for Stages

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BURLINGTON, MA –Motion Control – Ball Screws – Steinmeyer, a global manufacturer of precision ground ball screws, recently introduced an enhancement to its miniature ball screw line called optiSLITE. This feature delivers lower friction torque for longer life, smoother running, and better servo response. The result is superior performance in linear axis stage applications such as atomic force microscopes, nanoscale machining, and wafer dicing.

ptiSLITE screws undergo a proprietary finishing process that removes micron-sized peaks on the shaft raceway. The result is smoother running screws which are essential in applications involving precision positioning. The high quality ball screws used are imperative to ensuring that linear stages are able to meet demanding nanopostioning requirements – extreme reliability and repeatability of 1nm.

“Many of our customers utilize Steinmeyer ball screws exclusively because they perform at world-class levels year after year” stated Bruce Gretz, Executive Vice President of Steinmeyer, Inc. “now with optiSLITE miniature ball screws, the quality and precision that our customers have come to expect will only improve.”

Like all Steinmeyer products, optiSLITE miniature ball screws offer dynamic delivery of linear motion at high standards of precision and longevity. The screws feature shaft diameters down to 5 mm and pitch down to 1 mm. Available in standard lengths and nut designs.

For more information on Steinmeyer premium ball screws please contact our engineers at infoUSA@steinmeyer.com

The Steinmeyer group is comprised of two manufacturing divisions located in Germany. August Steinmeyer GmbH & Co. KG (located in Albstadt) has been setting standards for high precision ball screws for over 40 years and prides itself on high quality, innovative designs to meet demanding customer requirements. Our Feinmess Dresden (FMD) division has been producing an extensive line of high precision positioning systems for well over 130 years.

For further information on Steinmeyer our extensive product portfolio, call 1-781-273-6220 or e-mail Rosmary Belt at rosmary.belt@steinmeyer.com or visit the Steinmeyer FMD group at: www.steinmeyer.com

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Motion Control – Steinmeyer Introduces Precision Ball Screws Featuring Xi-Plus Technology!

Motion Control - Steinmeyer Xi-Plus Ball Screws

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BURLINGTON, MA –Motion Control Components – Ball Screw Technology – Steinmeyer now offers 16mm to 80 mm Ballscrews that feature Xi-Plus Technology Optimized spindle surfaces.

Motion Control - Steinmeyer Xi-Plus Ball Screw Technology

At Steinmeyer you obtain ball screws with connecting dimensions according to DIN 690651 or ISO 3408.

Any size can be selected among available nut flange shapes (round, single, flattened, flattened on both sides) and different load capacities.

And now you have the option to receive Steinmeyer ball screws in Xi-Plus technology with optimized spindle surfaces for better running features.

COMPARE —

Standard Ball Screws:

Microscopic irregularities on the raceway surface of the spindle can cause vibrations, irregular running characteristics, and noise in machines.

Xi-Plus technology Ball Screws:

Through the use of innovative production technologies, the roughness of the spindle surface can be reduced and therefore performance is optimized. Irregular running characteristics are virtually eliminated.

Motion Control - Steinmeyer Xi-Plus Ball Screw Technology-Electron-Micrography

 

Xi-Plus ball screws deliver excellent qualities.

To view or down the Xi-Plus Ball Scew Brochure Click Here

About Steinmeyer

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality.

Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and other mechatronic applications. www.steinmeyer.com

For further information on Steinmeyer our extensive product portfolio, call 1-781-273-6220 or e-mail Rosmary Belt at rosmary.belt@steinmeyer.com or visit the Steinmeyer FMD group at: www.steinmeyer.com

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Visit our Website
Order Our Catalog
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Motion Control Application – Steinmeyer optiSLITE Miniature Ball Screws the Optimal Solution for Pipetting Systems!

Motion Control Components - Steinmeyer optiSLITE Ball Screws Application

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BURLINGTON, MA –Motion Control Components Application – Steinmeyer, a global manufacturer of precision ground ball screws, recently introduced an enhancement to its miniature ball screw line called optiSLITE. This feature delivers lower friction torque for smoother running and better servo response. The result is superior positioning performance in laboratory instrument applications, such as pipetting and dispensing.

optiSLITE screws undergo a proprietary finishing process that removes micron-sized peaks on the shaft raceway. The result is smoother running screws that support the demanding requirements of delicate positioning applications.

Motion Control Components - Steinmeyer optiSLITE Ball Screws

“We understand the critical requirements of precision applications such as pipetting and dispensing,” stated Bruce Gretz, Executive Vice President of Steinmeyer, Inc. “optiSLITE miniature ball screws deliver the high performance needed in those systems to help your instruments distinguish themselves in the market.”

Like all Steinmeyer products, optiSLITE miniature ball screws offer dynamic delivery of linear motion at high standards of precision and longevity. The screws feature shaft diameters down to 5 mm and pitch down to 1 mm. Available in standard lengths and nut designs.

Motion Control Components - Steinmeyer optiSLITE Ball Screws - before/after photos

 

To go to or down the optiSLITE cataglog CLICK HERE

For more information on Steinmeyer premium ball screws please contact our engineers at infoUSA@steinmeyer.com

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality. Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and other mechatronic applications. http://www.steinmeyer.com

The Steinmeyer group is comprised of two manufacturing divisions located in Germany. August Steinmeyer GmbH & Co. KG (located in Albstadt) has been setting standards for high precision ball screws for over 40 years and prides itself on high quality, innovative designs to meet demanding customer requirements. Our Feinmess Dresden (FMD) division has been producing an extensive line of high precision positioning systems for well over 130 years.

For further information on Steinmeyer our extensive product portfolio, call 1-781-273-6220 or e-mail John Skaltsas at jskaltsas@steinmeyer.com or visit the Steinmeyer FMD group at: www.steinmeyer.com

Steinmeyer Logo
Visit our Website
Order Our Catalog
Steinmeyer Motion Control Videos
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Steinmeyer Announces the optiSLITE Line of Miniature Ball Screws: Our Smoothest Raceways Ever Deliver Optimum Accuracy!

Motion Control Components - Steinmeyer optiSLITE Ball Screws

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BURLINGTON, MA –Motion Control Components – Steinmeyer, a global manufacturer of precision ground ball screws, introduces a new miniature ball screw line called optiSLITE. These screws feature low friction torque that delivers smoother running and enables greater accuracy. The result is superior positioning performance in semiconductor, optics, medical instrument, and metrology applications

optiSLITE miniature ball screws are expertly manufactured in Germany like all Steinmeyer products. The ball screws undergo a proprietary finishing process that removes micron-sized defects on the shaft raceway. The elimination of these irregularities enables optiSLITE miniature ball screws to provide the highly-accurate positioning required in precision applications.

All of our miniature ball screws are meticulously engineered and manufactured to provide highly-accurate positioning,” stated Bruce Gretz, Executive Vice President of Steinmeyer, Inc. “with our smoothest raceways yet, optiSLITE miniature ball screws deliver lower friction torque and smoother operation than ever before.

Like all Steinmeyer products, optiSLITE miniature ball screws offer dynamic delivery of linear motion at high standards of precision and longevity. The screws feature shaft diameters down to 5 mm and pitch down to 1 mm. Available in standard lengths and nut designs.

Motion Control Components - Steinmeyer optiSLITE Ball Screws - before/after photos

To go to or down the optiSLITE cataglog CLICK HERE

For more information on Steinmeyer premium ball screws please contact our engineers at infoUSA@steinmeyer.com

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality. Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and other mechatronic applications. http://www.steinmeyer.com

The Steinmeyer group is comprised of two manufacturing divisions located in Germany. August Steinmeyer GmbH & Co. KG (located in Albstadt) has been setting standards for high precision ball screws for over 40 years and prides itself on high quality, innovative designs to meet demanding customer requirements. Our Feinmess Dresden (FMD) division has been producing an extensive line of high precision positioning systems for well over 130 years.

For further information on Steinmeyer our extensive product portfolio, call 1-781-273-6220 or e-mail John Skaltsas at jskaltsas@steinmeyer.com or visit the Steinmeyer FMD group at: www.steinmeyer.com

Steinmeyer Logo
Visit our Website
Order Our Catalog
Steinmeyer Motion Control Videos
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Motion Control – Steinmeyer’s Premium Ball Screws for Linear Actuators!

Steinmeyer Ball Screw for Linear Actuators

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BURLINGTON, MA –Motion Control – Steinmeyer, Inc. a global manufacturer of precision ground ball screws, introduces a new ball screw line for linear actuators. This product line is specifically engineered for low duty cycle applications of linear actuators.

Steinmeyer ground ball screws have served the demanding requirements of machine tool applications for years. They have delivered precision positioning under high loads and high duty cycles. Now for the first time, a product line engineered for low duty cycle applications of linear actuators is available. Not only do Steinmeyer’s premium ball screws reach high thrust requirements, but they also offer long service life, low maintenance, and unmatched reliability

“Leading machine tools manufacturers have long relied on Steinmeyer ground ball screws for high speed and precise positioning,” states Bruce Gretz, Executive Vice President of Steinmeyer, Inc. “The new line gives designers of low duty applications a superior option.”

Steinmeyer ball screws for actuators are offered in a wide range of diameter, leads, and nut configurations. They have been meticulously designed and manufactured to deliver world-class performance in any linear actuator application. The screws features dynamic load capacity of up to 1,400 kN and may be specified up to 100% of DLC. Rolled versions are also available upon request for more economical solutions.

For more information on Steinmeyer premium ball screws please contact our engineers at infoUSA@steinmeyer.com

Steinmeyer is the world’s longest continuously-operating manufacturer of commercial ball screws. In the realm of linear motion control, our company has become synonymous with precision, innovation, and exacting standards of quality. Steinmeyer’s extensive product line is used widely in drive systems for industrial machines as well as precision positioning in optical instruments, medical devices, and other mechatronic applications. www.steinmeyer.com

The Steinmeyer group is comprised of two manufacturing divisions located in Germany. August Steinmeyer GmbH & Co. KG (located in Albstadt) has been setting standards for high precision ball screws for over 40 years and prides itself on high quality, innovative designs to meet demanding customer requirements. Our Feinmess Dresden (FMD) division has been producing an extensive line of high precision positioning systems for well over 130 years.

For further information on Steinmeyer’s extensive product portfolio, call 1-781-273-6220 or e-mail John Skaltsas at jskaltsas@steinmeyer.com or visit the Steinmeyer FMD group at: www.steinmeyer.com

 

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Visit our Website
Order Our Catalog
Steinmeyer Motion Control Videos
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