These stages feature exceptionally long life without the need of adjustment, lubrication or maintenance. The integration of a splined linear guide and leadscrew results in a torsionally stiff stage that can be operated in either a horizontal or vertical axis. These stages are ideal for: Pick-and-place, parts transfer, water jet cutting, laser cutting and laser etching, inspection, testing, packaging, and assembly applications. Designed for loads up to 100 lbs. (45 Kg) and speeds to 30 in/sec. (762 mm/sec) the stages can be specified in compound multi-axis configurations such as an X-Y-Z axis gantry robot. To suit the requirements of an application a variety of stepper motors, DC brush and brushless motors, or AC motors can be mounted to the stage. Options to enhance performance and ease integration into a new or existing application are: Custom drilled and/or tapped holes in the stage and/or carriage, end of travel limit switches which can disable the amplifier, linear encoder, cable carrier, and protective bellows.
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DUAL FEEDBACK - LINEAR MOTOR DRIVEN POSITIONING STAGE
NOTES:
-The controller can only close the loop on one feedback device at a time. In this case it can close the loop on the position and monitor the velocity or close the loop on the velocity and monitor the position.
Step 1. A program or motion profile will be written on a PC or laptop and downloaded to the motion controller. This program will contain parameters such as speed, acceleration, deceleration, PIDs, desired position etc…
Step 2. Based on the program parameters, the motion controller will send a +/- 10V reference signal to the servo amplifier.
Step 3. The servo amplifier will take the reference input signal and provide the necessary current to generate the required force from the motor to move to the desired position.
Step 4. The motor will move to the desired position or achieve the desired velocity at the programmed acceleration.
Step 5a/5b: Motor position/velocity is sent back to the controller to verify that the desired position/velocity has been reached and maintained.