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  1. mselak500

    Screw slide chart for english and metric screws?

    I'm looking for a screw slidechart that has information on both english and metric screws. There use to be a real nice one made by TAD (?- I think), but I can't find it for sale anywhere. Does anyone know where to get one or of anything close to the TAD one? Thanks,
  2. mselak500

    PVC, PEC or ??

    I am looking for some help in determining the appropriate type of plastic for my application. I am in the process of having a slide chart manufactured out of plastic. It was recommended that I use 0.024 inch thick clear PVC. The samples produced with the PVC were fine with the exception...
  3. mselak500

    Smart Polymers

    Thank you for your help. Sorry if my messages were confusing, but you answered my question. You are correct, I should have used the phase "shape polymer" instead of "smart polymer". Thanks again for everyone's help. Mark
  4. mselak500

    Smart Polymers

    The application is for a material that will react at approximately 100 F. It needs to be manufactured into rod, approximately 1/8" diameter x 10" long. It could be manufactured as a cord and then cut to length. Thanks,
  5. mselak500

    Smart Polymers

    I recently stumbled on Smart Polymers while researching Memory Metals. My application would be better suited to use Smart Polymers, but there is very little information on the web. In particular, I can't find any manufactures or suppliers. Any help would be greatly appreciated. Thanks,
  6. mselak500

    What is Steady State Torque?

    Can someone tell me what Steady State (Operating) Torque is and how to calculate it? I'm guessing that it is the troque at operating speed. Any help would be appreciated. Thanks,
  7. mselak500

    Load Inertia Question

    I'm looking for some help to verify a calcualtion that was made by a previous employee. The calcualtion was for load inetria (reflected to the motor). The motor will be driving (3) rollers at a gear ratio of 3.5:1 (motor turns 3.5 revolutions for every 1 revolution of the rolls). I have a...

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