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Friday, July 30, 2010

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Latest News
Fully Configurable CAD Models for RGS Linear Rail Systems
AMETEK ACQUIRES HAYDON ENTERPRISES
New RoHS Compliant IDEA External Linear Programmable Actuator

The following are the most frequently common asked questions

Click on the pertinent question to reveal the answer

If you have a question that is not on the list, please use the Technical Contact icon to find the technical contact person for your area for additional assistance.

FAQs

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Q1.
Is lubrication required on the leadscrews?

Q2.
What material are the leadscrews and nuts made from?

Q3.
What are the benefits of the TFE coating?

Q4.
Are the leadscrew assemblies clean room compatible?

Q5.
Can the leadscrew assemblies and slide products be used in a vacuum application?

Q6.
What is backdriving?

Q7.
Can the Leadscrew Assemblies be used in a harsh environments?

Q8.
How much life can I expect from the assemblies?

Q9.
Are your motors UL, CSA, or CE approved?

Q10.
The stepper motor seems to exhibit a lot of vibration in my application. What are some of the things I can do to correct it?

Q11.
When should I use a Chopper drive over a L/R drive?

Q12.
Explain the difference between the Captive , Non-captive, and external linear actuators?

Q13.
Does the leadscrew rotate on a non-captive linear actuator?

Q14.
What is the difference between the standard linear actuator and the high resolution actuator?

Q15.
When used for positioning, does a stepper motor require a position feedback device?

Q16.
What is the performance difference between unipolar and bipolar wired motors?

Q17.
What is the difference between a 4 wire and 6 wire stepper motor?

Q18.
What is static torque and pull-out torque?

Q19.
Can I run the linear actuator into a hard stop?

Q20.
Will I need to re-lubricate the leadscrew or shaft on the linear actuator?

Q21.
Can the linear actuator be back-driven when the power is removed?

Q22.
How much backlash can I expect from a linear actuator?

Is there any way to compensate for it?

Q23.
If I use micro-stepping, will the accuracy of my system improve?

What about the torque/force output?

Q24.
I'm running the motor/actuator intermittently. Can I temporarily over drive the it for more torque/force output without damaging it?

Q25.
My stepper motor/actuator appears to get extremely hot when in the static or holding position. Is this normal?

Q26.
Do your motors have IP ratings?

Q27.
What is the straightness of the leadscrews?

Q28.
What is the maximum speed of the leadscrews?

Q29.
What is the design load rating of the nut?

Q30.
What is the standard operating temperature range of the assemblies?

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