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  1. shmoey212

    Plastic Lip Seal

    Hey! I am fairly unfamiliar with watertight/waterproof dynamic seals and I was looking for some guidance on a project. My current design uses two tubes - 1 stationary and 1 that rotates approx. 90 degrees (back and forth) - and I need to create a low cost, low friction seal between the two...
  2. shmoey212

    Plastic film assistance

    Hello. I am looking for a plastic film with the following requirements: FDA approved/compliant, puncture and tear resistant/proof, withstand boiling potable water, and capable of being heat sealed to a variety of substrates. I have researched a variety of multi-layer polypropylene films but I...
  3. shmoey212

    FDA approved adhesive for low energy plastic

    Thanks for the responses. I tried Loctite 480 a few weeks ago but the water interacting with the adhesive will be approaching 100 degrees celsius and the glue didn't hold - it's only rated to 82 degrees celsius. I called Loctite several times and I was told none of their products would work...
  4. shmoey212

    FDA approved adhesive for low energy plastic

    Hello, I have been searching for an adhesive for bonding a polyethylene film to a natural rubber (I know, it's almost impossible) and I was hoping for some guidance. Before you say to give up, I have had great success with common super glues and, while my application does not require a strong...
  5. shmoey212

    Very fast linear actuator

    I need the actuator to be around 50 mm in size but the shaft or pin to have a 75 mm stroke. I'm sorry for the confusion. I am new to actuators and the like.
  6. shmoey212

    Very fast linear actuator

    I need the stroke length to be approximately 75mm and I would like the push/pull to occur at least 3-4 times per second. I looked into the micromo linear servomotors. Does anyone have experience with these? I need the pin to accurately move in one direction and come back to the same starting...
  7. shmoey212

    Very fast linear actuator

    I also need to have the distance of each push controllable and variable.
  8. shmoey212

    Very fast linear actuator

    I am working on a project that requires moving a 100mm long and <.5mm diameter pin a specific distance in a straight line. I want to move the pin in and out as fast as possible and accurate to less than .05 mm. The device needs to be as small as possible. The stepper linear actuators on the...

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