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  1. Thread: Undercut Issue

    by Jendalf
    Replies
    2
    Views
    106

    Re: Undercut Issue

    Hi,

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

    J.
  2. Replies
    7
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    315

    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...
  3. Replies
    3
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    350

    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/
  4. Replies
    1
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    190

    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...
  5. Replies
    3
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    372

    Re: Merry and Happy

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

    Greetings and hello all again...
    Jan
  6. Replies
    3
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    372

    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...
  7. Replies
    1
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    223

    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,...
  8. Replies
    8
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    545

    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".
    ...
  9. Replies
    7
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    1,897

    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...
  10. Replies
    4
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    1,261

    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...
  11. 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.
  12. Replies
    2
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    668

    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...
  13. 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...
  14. Replies
    8
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    1,674

    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 You´ve changed the environment around the original one?
    I still think that RC is...
  15. Replies
    6
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    810

    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...
  16. Replies
    6
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    810

    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...
  17. Replies
    8
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    1,674

    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.
  18. 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.

    I´v already seen the mistakes in a procedure, done by machine...
  19. Thread: K 2019

    by Jendalf
    Replies
    6
    Views
    771

    Re: K 2019

    Thanks Suhas for invitation,

    I´ll 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) I´ll...
  20. 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.
  21. Replies
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    736

    Re: IM Tool Maintenance

    Hi,

    every toolmaker knows the best the tool inspection intervals.
    For Your tools producer it is (or it should be) "the Must" to provide you with detail maintenance plan with timings and...
  22. Replies
    2
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    361

    Re: Chen Hsong Injection Molding Machines

    Hi,

    You mean mechanical lock against the tool moovement when basic safety circuit is locked (front door open signal, for example)?

    Is it really so, You don´t need that at the machine to get CE....
  23. Thread: K 2019

    by Jendalf
    Replies
    6
    Views
    771

    Re: K 2019

    I thaught so,

    It´s not so easy to travel owersea, "only" for trade fair. Especially when booked late the prizes for accomodation are 3x.
    You will have a chance at K 2022 :)

    Its worth it,...
  24. Thread: K 2019

    by Jendalf
    Replies
    6
    Views
    771

    K 2019

    Hi Mates,

    I´wondering if anybody had visited the K2019?

    I´m sure yes, would be good to meet there especially with matadors like Suhas or Rickbatey?

    What was the biggest surprise for You...
  25. Replies
    4
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    390

    Re: short shots on a new tool

    Hi,

    good that You found something.

    Sometimes I found IM as a medicine.
    "When You are hearing the hoof claping behind You, don´t expect You will see a Zebra :)"

    at IM, actually You can :)
    ...
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