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  1. Replies
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    Suitable screw type

    Hello Community,

    could you please help me to choose the right screw type for "PA6.6GB40"? right now, I use a standard screw, and because of that the screw gets worn.
    Thank you in advance for your...
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    Re: drying parameters for technomelt PA 638

    Nemanja Thank you for your feedback, I used the exact parameters you mentioned, then the problem was solved.

    Salutations.
  3. Replies
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    7,636

    Re: drying parameters for technomelt PA 638

    thank you for your feedback, i will check this.
  4. Replies
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    drying parameters for technomelt PA 638

    hello All,

    Please I need your help to define drying parameters for Technomelt pa 638 because I face a bubbles issue on the material.
    N.B :
    Current parameters 50°C/6 hours.
    Low-pressure...
  5. Thread: Pressure Gap

    by dinho
    Replies
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    5,751

    Re: Pressure Gap

    Hi,

    The P4072 is the switch-over pressure (Commutation pressure).
    and P4055 is the maximum pressure (or peak pressure).

    BR
  6. Thread: Pressure Gap

    by dinho
    Replies
    8
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    5,751

    Re: Pressure Gap

    Thank you all, for your explanation, I appreciate that.
  7. Thread: Pressure Gap

    by dinho
    Replies
    8
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    5,751

    Re: Pressure Gap

    Thank you, Suhas for your feedback. maybe I didn't make a good explanation, hope that the attached picture makes things clear.

    Thank you,
  8. Thread: Pressure Gap

    by dinho
    Replies
    8
    Views
    5,751

    Pressure Gap

    Hello everyone,

    Please I need your help to understand the outputs, that our ARBURG machine gives. We have a difference of 200bar between the maximum injection pressure and the switch-over pressure...
  9. Thread: Nozzel plugging

    by dinho
    Replies
    4
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    5,070

    Re: Nozzel plugging

    Hi,

    1- Yes, I did a mold balance.
    2- yes, all cavities are equal (24.70, 24.70, 24.71, 24.76 grams)
    3- Yes, I did it with 0bar in pack pressure.
    For the real temperature in each gate, I didn't...
  10. Thread: Nozzel plugging

    by dinho
    Replies
    4
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    5,070

    Re: Nozzel plugging

    thank you, sir, I appreciate your suggestion.
  11. Thread: Nozzel plugging

    by dinho
    Replies
    4
    Views
    5,070

    Nozzel plugging

    Hi all,

    New day with new injection molding problem. The issue this time is nozzle plugging, we face this problem during the start-up and sometimes when the machine works in automatic. We have a...
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    Re: White streaks or spots

    thank you for your suggestion, I will check them.
  13. Replies
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    5,265

    Re: White streaks or spots

    thank you I will check them.
  14. Replies
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    5,265

    Re: White streaks or spots

    Hi,
    1- yes the location is the same.
    2- the part is like a "cup" and the location of the gate is in the bottom "direct injection", the defect is between 30/50 mm/Sec (between 30/60 mm for...
  15. Replies
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    5,265

    Re: White streaks or spots

    N.B: I think that is a fiber accumulation.
  16. Replies
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    White streaks or spots

    Hi all,

    New day with a new challenge in injection molding. the problem that I face in the injection is white spots or streaks in the intern of the part, the material I use is Nylon with Glass...
  17. Replies
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    3,509

    Re: Brown spot defect

    yes, I fix it. as you said I worked on the injection speed in the level of filling this area of the part and the results were Good.
    Thank you very much for your support.
  18. Replies
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    3,509

    Re: Brown spot defect

    thank you, I take your advice into consideration and I will give you the feedback.
  19. Replies
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    3,509

    Re: Brown spot defect

    Ok. thank you
  20. Replies
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    Brown spot defect

    Hi all,

    This week we have an issue with Nylon6,6 GF30 injection a Brown spot appeared in the extremity of the part. First, we clean up the mold vents thinking that's a problem in gas evacuation...
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