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  • Users: samsangsam
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  1. samsangsam

    GD&T -any draft angle specify method?

    i have a plastic part, which have a screw hole for tapping screw, i am wondering why no draft angle specify in drawing? is it good to specify the draft angle as consder the pin to form the hole can be broken. and the draft affect screw tigthen torque. How to specify the draft angle in GD&T format?
  2. samsangsam

    injection molding part should avoid gate placement on the fuctional/stress apply area

    i have a plastic part which have a gate location at the functional area, it seem inproper location as it is the area with force apply. at the field , also found wear at this area.i feel it is unstable at this area and easily have material degradation. but my molder says as long as they can...
  3. samsangsam

    POM +PTFE with teflon build up on the plastic moulding process

    Anyone konw the issue with the teflon build up on the moulding tool?
  4. samsangsam

    VISVSA from siemen, Anyone have the manual or book ?

    VISVSA from siemen, Anyone have the manual or book ?
  5. samsangsam

    REQUEST tutorial material on VsVSA

    anyone can help to find the vsvsa trainning /tutorial? just start to use this software, realize have totally no inform about this software ...
  6. samsangsam

    What is Tip relief radius in Gear data

    Receive a First acticle inspection for a molding gear, drawing mention in gear data about Tip relief radius , supplier don't what is it , either i. What is Tip relief radius in Gear data? How to measure this ?
  7. samsangsam

    Can AISI 1215 steel beam rust

    Want to know is AISI 1215 steel easy to be rust? any rust resistance comparison table....
  8. samsangsam

    FTIR test for plastic ...

    what does provide principally qualitative but limited quantitative mean in FTIR test?
  9. samsangsam

    Plastic part with regrind 25%

    What impact with using 25% regrind in plastic? How do identify the plastic part defect is due to regrind?
  10. samsangsam

    Can EPDM use regrind?

    Just notice that our rubber part use EPDM material, the drawing call out 25% regrind allow, as understand that regrind is not an option for EPDM, is it true?

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