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  1. Replies
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    Re: 'Over Drying' of PC ?

    Oh man you dont want to....otherwise you would have to pay the price for gallon also for liter :D
  2. Replies
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    6,153

    Re: 'Over Drying' of PC ?

    :) but the number is not normal :)
  3. Thread: 20% GF PP Warp

    by Jendalf
    Replies
    16
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    1,306

    Re: 20% GF PP Warp

    Hi,

    can you post here the process output datas and injection curve with time and preassure scale?

    J.
  4. Replies
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    1,067

    Re: Krauss Maffei MC6 parameterlist

    Hi,

    Im not at the machine, and will not be for some time.
    Try to found it there, you have to choose what you want to export, which sheets or pictures.

    thats what the picture actually says :)...
  5. Replies
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    1,067

    Re: Krauss Maffei MC6 parameterlist

    Hi, its there-...try to look for

    444445

    J.
  6. Thread: Undercut Issue

    by Jendalf
    Replies
    2
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    293

    Re: Undercut Issue

    Hi,

    yes, its problem. Change the design or material (silicon would work).

    J.
  7. Replies
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    622

    Re: Overmold Possibility

    Hello,

    interesting topic.
    I would go the way of holding or fixing the strips into the cavity too.
    Inserts like Nemanja has, can be one way. The other is tool design with core positioning like...
  8. Replies
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    595

    Re: Injection Moulding training course

    Hi,

    check this for NA:
    http://fimmtech.com/

    this for GER:
    https://www.spritzguss-schulung.de/

    For ENG/GER:
    https://kunststoff-institut-luedenscheid.de/
  9. Replies
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    Re: Nissai vertical help

    here is the contact on the support. I have only on Nissei europe.

    Mr. Jhonny Depoorter
    j.depoorter@nissei.be
    Technical service

    if You want a phone, write me and PM here.

    than I have...
  10. Replies
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    569

    Re: Merry and Happy

    Heat up!
    Heads up,
    Work hard,
    Mold part!

    Greetings and hello all again...
    Jan
  11. Replies
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    Merry and Happy

    Merry Christmass and Happy New Year to all good people here.

    Machines has finally stopped, alle hot runners went cold, all gates has frozen :)
    Backup Your data and switch off the pumps!

    Enjoy...
  12. Replies
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    Re: EPDM hot runner clogging

    Hi,

    the "issue" is the difference of the temperatures used for each type of polymer.

    1)
    Establish the procedure of cleaning every time You have to change from Higher melt polymer (PC, PA,...
  13. Replies
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    942

    Re: Run mold water at 248F !

    Hi,

    You have to have also special fittings and connectors.
    Tool have to be prepared for this as higher water temperature than boiling temp. means higher preassure to keep the water "liquid".
    ...
  14. Replies
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    2,127

    Re: Help: Acrylic Black Specks and Pitting

    Hi,

    two things.

    1) it looks like wrong mixing - the screw is not able to mix the colour into the natural homogenously. Than when injected the non disperged colour makes the dark marking.
    2) to...
  15. Replies
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    2,074

    Re: Stearic Acid Residue from ABS Resin

    Does it happend also with another ABS material grade?
    Did you tested a new batch of the Lustran 451?

    on the other hand, check also your chemicals - lubricants.
    It can be that this "droplets" are...
  16. Re: which machine to buy for production of precise parts

    :) So if you have a spare money, maybe "you should give it a try" and tell us how it was.
  17. Replies
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    Re: PMMA Molding< WARP>

    Hi,

    picture, injection point position, general parameters?

    You can check moldflow, what the shrinkage/warpage study says, how the temperature map lookslike.

    Here the help is usually only the...
  18. Re: which machine to buy for production of precise parts

    Hi,

    generally:
    No second hand - if yes, than not more than 5-9 years old with proper maintenance history.
    No chinese second hand - never.

    I think You should have count your business case...
  19. Replies
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    Re: molding with electrical pins

    So Root cause was the machine! :)

    Maybe the machine lays in a different temperature area than the previous one. Or Youve changed the environment around the original one?
    I still think that RC is...
  20. Replies
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    1,567

    Re: Processing Troubleshooting

    Thats good point to check how the contact surfce looks like.

    When You do the soft airventing than after some months this airventing is completly off or different how the tool halves are touching...
  21. Replies
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    1,567

    Re: Processing Troubleshooting

    Hi,

    its trapped air. It means You have to provide proper airventing, but first start with parameters.
    Check the clamping tonnage first and set it safe low as possible. Than play with temperatures...
  22. Replies
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    Re: molding with electrical pins

    This is interesting, do you have some pictures whats about?

    How the fault looks like, material grade filler %, tool, etc.

    J.
  23. Re: Cleaning hot runner / manifolds while colour changing

    Hi,

    I just want to point out that all cleaning procedures has certain rules.
    For exaple like the implwirtz note about asacleen.

    Iv already seen the mistakes in a procedure, done by machine...
  24. Thread: K 2019

    by Jendalf
    Replies
    6
    Views
    938

    Re: K 2019

    Thanks Suhas for invitation,

    Ill put it to my calendar and if there is any higher probability to get there (like bussiness trip in US, wedding holiday in Florida, or. similar probabilities) Ill...
  25. Re: Arburg Inj molding machine Error: P/Q board regulating board1

    EXACTLY and good point iamplwirtz! Thats also one of the purpose of this forum, It would be good to see more such a responses.

    J.
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