Linear Motion – How Do You Move Articles of Antiquity?

Linear Motion Application – How Do You Move Articles of Antiquity?

Very Carefully With A High Load Rail System from LM76!

Linear Motion - Moving Articles of Antiquity using LM76 Rail System

LM76 - Linear Motion

E. Longmeadow, MA – — The Boston Museum of Fine Arts (MFA) has to move articles of antiquity from one location to another. In this instance, they are moving a 5000 year old relief (hieroglyphics) weighing 8000 pounds to a new location in the Museum. Here is a frontal photo of the Relief from The Tomb of Senenuka.

Part of wall from tomb of Senenuka; nine stones fitting together and including two niches; lower left piece smooth limestone; upper far left preliminary black ink sketch; right of this sketch is a complete relief showing two seated figures; central piece has large scene of seated male on the left and other smaller male figure to the right; upper far right male figure relief outline; left of this again a scene of two seated figures at a table.

Senenuka Time of Khufu or Khafre (Maybe Dyn 5?) Overseer of the Pyramid-town of Khufu, Director of King’s wad-priests, Boundary official of a settlement, etc.

The MFA contracted CBI Consulting of Boston to design the frame and fixturing. Craig Barnes, an award winning architectural engineer called Mike Quinn of LM76 to review the linear motion application. Over the course of several weeks, LM76 and design partner Todd Kanipe designed a telescoping, high load roller/linear motion rail system that won approval. According to CBI’s Keith Bouchard, the linear rail system moves very smoothly and so far meets the expectations of this program.”

Linear Motion Application – According to MFA Antiquity Specialist Jean Louis Lachevere, “All of these moves present very real dangers to the artifact being transported. In this case, we have a 8000 pound relief which already has its problems due to age and the fact that it is limestone ( limestone is very vulnerable to the atmosphere ).” Seen from the front, the relief is straight. From the back, much of the top back is gone. Thus, the back of the relief has to be plastered so the back is flat. Pins are inserted to further reinforce the relief and then it is tipped on its back. It is then moved to its new atmospherically controlled display case. LM76’s design is used in the transfer from the dolly to the mounting rails and restraints in the display case. This 36” motion is fraught with things that can go wrong. One of the considerations is the possibility of an earthquake…any problem conceivable is taken into account.

Motion Control  - Moving Articles of Antiquity using High Load Rail SystemCastors and sliders at end of armature. The sliders are mounted to the castors and work like telescoping drawer slides.

 

Linear Motion - High Load Rail System Moves Articles of AntiquityCastors and sliders as seen from below. The chalk X is used to mark the block where added weld is required. Each block is to be welded both sides. Each slider is to be addressed.

 

Motion Control Challenge - Moving Articles of Antiquity!Photo demonstrates that the wheels can rotate independently.

 

 

Moving Articles of Antiquity with High Load Rail SystemView of the slider assembly at the center of the welded fixture.

 

 

 

 

 

For Additional Information on LM76’s High Load Rail Systems go to: http://www.lm76.com

Founded in 1976, LM76 has been a leading designer/manufacturer of linear bearings, slides and linear motion systems. LM76 is renowned for its industry leading Minuteman Teflon® Composite linear bearings. LM76 is a leading supplier of precision linear shafting: RC60, 300 Series Stainless Steel, and ceramic-coated aluminum shafting. LM76 also offers several FDA/USDA compliant linear bearings and slides for the food processing, pharmaceutical, medical, and packaging industries.

For additional information contact Mike Quinn at: LM76, 140 Industrial Dr., E. Longmeadow, MA 01028; Telephone: 413-525-4166, Fax: 413-525-3735 or E-Mail: mquinn@lm76.com or visit the website at http://www.lm76.com

LM76

Motion Control Positioning Stage Has 7,780 lbs Load Capacity!

Electromate offers 610 Series Motion Control Stage from Lintech

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Woodbridge, Ontario, Canada -Motion control linear Positioning Stage – Now available from Electromate are LinTech’s totally enclosed 610 series low-cost positioning stage. This large load capacity totally enclosed positioning stage is available in stroke lengths from 6 to 60 in (150 to 1520 mm) and ships in ~2 weeks.

The Lintech Motion Control 610 series screw driven linear enclosed slides are designed to maximize performance while minimizing physical size and cost. These linear positioning systems use a low friction, preloaded, recirculating linear ball bearing system, which ride on precision ground linear rail guides. The linear rails are mounted to an extruded aluminum base, which offers a rigid support over the entire travel of the table’s carriage. The load is mounted to a precision machined aluminum carriage, which has threaded stainless steel inserts for high strength and wear life. There are 38 different acme & ball screw options that offer high efficiencies and long life at an economical price. These linear tables are designed to allow for numerous options. They include EOT & Home switches, linear & rotary encoders, power-off electric brakes, motor wrap packages, and versatile mounting brackets for multiple axis applications.

Additional features and benefits include:

  • Self lube linear bearings
  • Enclosed IP-30 rated system
  • Shorter length since no waycovers used
  • Rigid screw support for high critical speed
  • Side access holes for screw nut lube input
  • Profile rails for high rigidity & load capacity
  • Switch wiring slot with connector on end plate
  • Wide rail & bearing spacing for high moment loads
  • NEMA, Rockwell, Parker, Mitsubishi, Yaskawa mount
  • Many options for screw, brake, encoder, switches etc.

How to Order

Sizing Chart for 610 Series Stages form Electromate

 

For more information on this Motion Control 610 Linear Motion Stage Series call 1-877-SERVO99 (737-8699) or e-mail Warren Osak atsales@electromate.com or visit Electromate at: www.electromate.com
http://www.electromate.com/products/series.php?&series_id=101696

For further information on this new product or others in our extensive product portfolio, call 1-877-SERVO99 (737-8699) or e-mail Warren Osak atsales@electromate.com or visit Electromate at: www.electromate.com

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Motion Control – DMC-52xx0 EtherCAT Master. Galil’s First 32 Axis Motion Controller!

Electromate offers 32 Axis Controller

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Vaughan, Ontario, Canada — motion control – Galil Motion Control introduces the DMC-52xx0 EtherCAT master, Galil’s first 32 axis motion controller. This new addition to Galil’s EtherCAT family is a pure EtherCAT controller with the ability to control up to 32 drives and 2 I/O modules. This space efficient package also provides uncommitted I/O for easy integration into any EtherCAT application.

The DMC-52xx0 is offered in 2, 4, 8, and 16 axis formats (32 axis coming soon). Coordinated moves can be done within banks of up to 8 axes allowing for minimal changes of Galil’s programming language. The DMC-52xx0 operates in Cyclic Synchronous Position mode (CSP). In this mode, the servo control loop is closed on the EtherCAT drive while the Galil controller sends motion profile commands at a rate of 1 kHz. Galil supports a host of EtherCAT devices for virtually any application. See the list below for more details.

Designed to solve complex motion problems, the DMC-52xx0 can be used for applications involving jogging, point-to-point positioning, position tracking, contouring, linear and circular interpolation, electronic gearing, ECAM and PVT. The DMC-52xx0 makes configuration and programming easy with just a handful of EtherCAT configuration commands and Galil’s intuitive, two-letter programming language.

The DMC-52xx0 comes with one Ethernet port for communication with a host PC and one EtherCAT port to communicate with EtherCAT drives. Multiple EtherCAT drives can be linked together in a daisy chain configuration and connected to the controller’s EtherCAT port, simplifying wiring and decreasing setup time. One USB port is also provided for alternative communication with a host PC. The DMC-52xx0 is packaged in a compact metal enclosure measuring 9.75” x 5.00” x 1.60” and is powered by a single 90-250 VAC supply.

More information oinformation on the DMC-52xx0 EtherCAT Master Controller from Galil can be viewed at –
http://www.electromate.com/assets/catalog-library/pdfs/galil-motion-control/Galil_DMC-52000_Brochure.pdf

For further information on this new product or others in our extensive product portfolio, call 1-877-SERVO99 (737-8699) or e-mail Warren Osak atsales@electromate.com or visit Electromate at: www.electromate.com

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