Last updated: 10-22-99

Project: DEIMOS
Stage: Slit Mask Insertion
ID #: KDSM-002A
Engineer: V. Wallace

Mechanical Description of Stage:

 

Electronic Description of Stage:

 

Required setting accuracy:

 
Performance requirements and design goals
Component Requirements *
Motor: None -
Gearbox: None -
Limits **: Hard stops w/ decelerators, both ends. Magnetic reed switches each end -
Fiducials: None -
Encoders: Microswitch DT 2RV22-A7 for detecting mask insertion -
Air Cylinders: Bimba UGS-1231-T Air pressure TBD
Air Solenoids: Skinner latching solenoid -
Lock/Clamp/Brake: None -
Interlocks: See interlock schedule -
* Speed, temperature, accuracies, electrical power, pressurized air, lubricant, coolant, N2 purge, ...
** Primary (soft) and secondary (hard) limits. These can be magnetic, optical, or physical contact

NOTES:

Final Mechanical Assembly and Testing Results

Tests performed by:

 
 

Motion Parameters

 
Linear Stage (constrained)
Distance from "home" * Position Primary Encoder Counts  Aux Encoder Counts  Physical Units Time to Reach
Primary (soft) Limits:  Forward - - - -
Reverse - - - -
Secondary (hard) Limits:  Forward - - - -
Reverse - - - -
Position # Inserted - - - -
Retracted - - - -
*"Coarse" if from optical interupter, "Fine" if from an encoder index pulse. Home is defined at index pulse on Aux. encoder if so equiped, otherwise at optical fiducial.
 
Resolution of Stage
Encoder Counts/Inch Counts/Millimeter Counts/Degree
Primary  - - -
Auxiliary - - -

NOTES:

Mechanical Drawing(s) #

Electronic Drawing(s) #

Sign conventions are such that a positive motion of the motor turns the motor in a CW direction as viewed from the drive shaft looking back into the motor, and will drive the stage towards the forward limit.