Rockwell-automation MPAS Integrated Linear Stages User Manual download pdf (Page 14)

14 Rockwell Automation Publication MP-UM001D-EN-P - September 2013

Chapter 1 Safety

Heat

When the stage is running at its maximum rating, the temperature of the carriage

can reach 75

ºC (167 ºF).

Vertical or Inclined Payload

A direct drive (linear motor driven) linear stage mounted vertically or on an

incline does not maintain position when the power is removed. Under the

influence of gravity the carriage and its payload falls to the low end of travel.

Design engineers must account for this by using a ball screw driven linear stage

with power-off holding brake, or designing in controlled power down circuits or

mechanical controls to prevent the linear stage and its payload from being

damaged when the power fails.

End of Travel Impacts

The internal bumpers of the linear stage are designed to take a large impact from

uncontrolled motion. Setting Travel Limits on page 55

lists the energy that the

bumpers can absorb before risking damage to the linear stage. The carriage

payload must be secured to the carriage such that it does not sheer off in the event

of an impact in excess of the bumper ratings.

The bolts securing the end caps are not be able to sustain multiple impacts and

can eventually sheer. Correct the cause of the uncontrolled motion that caused

the impact before continuing the use of the linear stage.

Air Freight Restrictions

When air freighting linear stages special preparations and precautions must be

taken. The following information outlines the basic requirements at the

publication date of this document. However, regulations are subject to change

and additional area or carrier restrictions can be imposed. Always check with your

carrier or logistics specialist regarding current local, regional, and national

transportation requirements when shipping this product.

The 200 mm or a 250 mm direct drive linear stages (catalog numbers MPAS-

A8xxxE-ALMx2C, MPAS-B8xxxF-ALMx2C, MPAS-A9xxxK-ALMx2C, or

MPAS-B9xxxL-ALMx2C) contain magnetized material, as classified by

International Air Transport Association (IATA) Dangerous Goods Regulations.

An IATA trained individual must be involved when shipping this product via

domestic or international air freight. Packing Instruction 902 provides

information regarding the preparation of this product for air transportation.

Follow these regulations for general marking and labeling requirements, the

application of specific Magnetized Material Handling Labels, and instructions

for preparing the Shipper's Declaration for Dangerous Goods.

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Rockwell-automation MPAS Integrated Linear Stages User Manual Page 14