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Actuators limit contaminants and out-gassing

A HaydonKerk Motion Solutions product story
Edited by the Engineeringtalk editorial team May 19, 2009

Haydonkerk Motion Solutions has introduced its Haydon specialty clean linear actuators, available in three different class levels.

Designed for contamination-sensitive applications, clean-room environments, and environments within systems under high vacuum, the clean motors are designed to limit contaminants and out-gassing in vacuum environments.

HaydonKerk Motion Solutions, a premier manufacturer of linear motion products has introduced its Haydon specialty Clean Linear Actuators, available in three different class levels.

HaydonKerk Motion Solutions, a premier manufacturer of linear motion products has introduced its Haydon specialty Clean Linear Actuators, available in three different class levels.

Provided that the motor operates below its rated maximum operating temperature, Haydon clean motors will survive in a vacuum down to 10-8 torr.

To ensure the minimum amount of out-gas in a vacuum environment, the clean motor product undergoes special handling and uses parts fabricated in a proprietary process.

Clean motors are constructed of non-volatile materials, thoroughly cleaned using ultrasonic equipment, and then vacuum-baked at high temperature to extract contaminants.

In addition to teflon wires and high-temperature windings, Haydon clean motors contain stainless-steel bearings with special lubrication.

Out-gassing results from a lack of motor cleanliness, often created by contaminants present during the manufacturing process and even the slightest contact with a human hand.

The Haydon clean motor products are processed to consider all possible contamination sources and are then sealed in double bags for handling under clean-room protocols.

Available in three different levels, clean linear actuators operate according to a class number that indicates the level of intensity in which the actuator will be cleaned.

As the class number decreases, the actuator will be cleaned in a more intensive manner.

Class three motors make use of low out-gassing lubrications and materials, and are designed for environments down to 10-4 torr.

With this motor, HSS-16 is used in place of standard lubricants and rust preventatives.

Class two linear actuator motors use the same materials as class three; however, each component is subjected to a special cleaning process.

In assembly, actuators are handled with gloves and packaged in a sealed bag for shipment.

Class two actuators are designed for low out-gassing in environments down to 10-6 torr.

Class one motors employ much stricter piece part cleaning, and are subjected to a final cleaning process post-assembly.

Like the class two motor, class one motors are handled with gloves and are packaged in an additional sealed bag for double bagged protection.

All assembly is done inside a class 1000 clean room.

Low out-gassing for class one actuators is fit for environments down to 10-8 torr.

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