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D-Series UHV Stepper Motor User Manual

User manual for AML's D-series UHV stepper motors.

Summary and Warnings

AML stepper motors are specifically designed for use in UHV environments making them ideally su...

Packing

AML motors are vacuum sealed packaged. Wear gloves to remove the motor from its vacuum packaging....

Installation

Use the extended screws for mounting but do not adjust them. Take normal vacuum precautions, avoi...

Load Connection

The preferred method of coupling a load to the shaft is by a setscrew or collet fixing. AML do no...

Vacuum Conditioning

Motors are supplied pre-baked to 200 °C in 1 x 10-6 mbar pressure for 24 hours and vented with dr...

Drive Requirements

These motors are specifically designed for use in conjunction with AML stepper motor drives curre...

Over-Temperature Protection

All AML motors are provided with a K-type Thermocouple (NiCr-Ni) embedded between adjacent windin...

Identifying and Connecting the Leads

The lead-out wires are self-coloured polyimide film-wrapped, silver-plated OFHC copper and each i...

Feedthrough Requirements

Motor wiring Overview Connecting motors inside a vacuum chamber to the SMD4 comprises two tasks...

Preparation of Motor Leadout Wires for use with Other Feedthroughs

It will be necessary to cut off the crimp terminals fitted to the leads and re-strip them. Standa...

Reversal of Rotation

There is a 50% probability that the direction of rotation will be reversed from the desired or co...

Troubleshooting

If the motor rotates at the wrong speed, frequently changes direction, or has low torque this is ...

General Operation Considerations for UHV-Compatible Motors

It is recommended that motors and mechanisms are operated in air during early commissioning. This...