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...