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  • Users: PLCRookie
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  1. PLCRookie

    Question about autogenous welding issues in T316L/T304L

    I am looking to test some SS tubing to determine the sulfur and other elemental component levels. We are experiencing some issues with consistent penetration in our welds, and it seems to be primarily confined to a certain batch of tubing. Although I have test reports for the material stating...
  2. PLCRookie

    Problem with leakage of welded Nylon components

    I am currently trying to establish the root cause of some leakage problems that we are experiencing with welded plastic components. I have been working on this part for the last year, and am really at a stand still now. The part is a small canister (approx. 3" diameter)that must not leak after...
  3. PLCRookie

    Drying of nylon 66 parts

    Hi all. I am interested in drying parts made of Nylon 66 (33%glass)prior to ultrasonic welding. I have a problem with moiture uptake in these parts, as they tend to sit around a while before welding. They are shipped from our molder in ziploc bags with desicant bags, but they still seem to take...
  4. PLCRookie

    Copper Brazing of Nickel Plated Carbon Steel

    Is it possible to braze nickel plated carbon steel to 304 satinless using copper as the filler material? This part would be brazed in a belt type brazing furnace with hydrogen atmosphere. My guess is that the plating will be degraded,and we has offered to the customer to use 304 SS on both...
  5. PLCRookie

    Ultrasonic welding Nylon 33% glass

    Does anyone have experience ultrasonic welding Nylon with 33% glass? Specifically, what effect will humidity of the environment have on weld integrity? I know that the material is extremely hydroscopic, but can the material absorb enough moisture as to degrade the weldability? Any comments...
  6. PLCRookie

    Dispensing Epoxy

    I need help/info./opinions regarding dispensing epoxy onto steel. Specifically, I have trouble breaking the bead once the path is complete. This requires me to make extra moves with my robot to break the "string" of epoxy. I have of "suckback" valves, but am unfamiliar with them. Any help...
  7. PLCRookie

    Epoxy dispensing?

    Does anyone here have experience with dispensing single component epoxy? I have been charged with dispensing this thick goo to a pretty tight spec., and I am having difficulty with breaking the bead after the dispense. this stuff strings like crazy. Any manufacturers names, etc. greatly...
  8. PLCRookie

    Wet Paint Reclaimation?

    Does anyone know of a way to reclaim wet paint from a spray application? This is an old chain-on-edge line using baked enamel. The overspray waste is tremendous. I am trying to find a way to reduce or recover the waste. Much thanks in advance.
  9. PLCRookie

    Can Seaming

    Does anyone on this forum have any knowledge/experience with seaming cans that they would like to share? I am new to the process and am looking for resources. Thanks
  10. PLCRookie

    Material Suggestions(TEFLON?) for Curing "PUCKS"

    I am tring to find a suitable material to make a curing fixture . Adhesive is applied to the part, and the part sits in the fixture after having been assembled. It then goes thru an oven at 500 degrees F for about 15 min. Currently, the fixtures are of unknown material (probably nylon) but I...
  11. PLCRookie

    Teflon Coatings???

    Hello, I am a Mfg. Eng. looking to solve a problem with spray paint buid-up on steel holders. The Paint is Baked Enamel. The parts are placed on the fixture and processed through a paint booth. The problem is that after a few weeks, the fixtures are pretty well coated with the overspray...
  12. PLCRookie

    Sensor for measuring web thickness?

    Hello all! This is my first post here, so please bear with me. I am a Manufacturing Engineer and I am looking fo a non-contact sensor to measure the thickness of a Web as it is fed into a machine. The material is a filter type media composed of basically paper fiber. The problem I am trying to...

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