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  1. Re: Advice for scientific molding on a Chinese injection machine - newbie

    This looks like a jetmaster controller (Chensong) ?
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    Re: Inconsistent Shrinkage Rates

    Not too much experience with Nylon but it is a hygroscopic material - wont this perhaps cause some of your issues? The longer the part is out the mould the more moisture it absorbs. When we pack our...
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    Re: What is this defect?

    Could have some blockage in the nozzle, small piece of steel, just small enough to allow material through but cause plenty of shear heating. I had an issue once where the screw tip broke off and was...
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    Re: What is this defect?

    .
    I have experienced this before - The issue for me was Degradation of material. I lowered TEMPS and also in my case lowered the dose on the Masterbatch.
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    Re: Machine leveling tips

    There is no short cut to leveling a machine. The torque wrench will help with the leverage when adjusting the nuts and the also the ratchet function will help but once the nuts go under strain you...
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    Re: Before I sell it for scrap... KX220

    I think they work on 10V. you could try and shift the potentiometer so that it uses a different position, in other words it shifts the wear marks. It means you will have to recalibrate your...
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    Re: Before I sell it for scrap... KX220

    another obvious one is the voltage coming to the potentiometers ?
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    Re: Before I sell it for scrap... KX220

    We have some old battenfelds, 1985 models. - On occasion I strip and clean those potentiometers ....very carefully. have you swapped the potentiometers with other units?
  9. Re: Chiller water is getting dirty and brownish color

    I use some water soluble cutting fluid in our chiller water. Keeps it clean and kills off any algae growth.
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    Re: Processing Troubleshooting

    Use a small piece of masking tape on the vent is a quick way to check if venting is your issue.
  11. Thread: Resin change.

    by Crabstix
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    Re: Resin change.

    At a quick glance - The copolymer is tougher than the homopolymer. Up the cooling a fraction?
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    Re: Van Dorn 300HT excessive noise

    It could be sucking air in somewhere - check seals/o-rings. I have no experience on Van Dorn - but out Negri Bossi has a block that bolts onto the pump, this block is the main oil pickup from the...
  13. Re: General operation of Arburg Allrounder 170 CMD 145-50

    Perhaps the machine was equipped with a robot/Sprue Picker? Perhaps the machine is waiting for a signal from the robot/Sprue picker, before it will close the mould. Just another option to...
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    Re: Plastic Flakes forming on Mold surface

    Hi Brian,

    Yes it is a sub gate. and a brand new mold. I will check it out.


    Thank you,

    Nicholas
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    Plastic Flakes forming on Mold surface

    Good Day,

    What could be the possible cause of plastic flakes forming on the mold surface? Its a new issue that has develop on a mold this morning. Never experienced this before. Running PP.

    ...
  16. Re: Krauss Maffei, Battenfeld, user manual, documentation, electronic schemes

    Hi Nikolay,

    I have a manual from a 35T Battenfeld which is UNILOG 4000.(English) I think the 75T is a UNILOG 1000? I also am familiar with these machines as I still have a few that are still...
  17. Thread: Extruders?

    by Crabstix
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    Extruders?

    Hello All,

    Do any of you run Extruders? A Client of mine wants a post formed/stressed corrugated pipe. I have had quotes from CHINA for machines but was wondering if anyone makes a similar...
  18. Re: Post treatment of Nylon 6 parts and also tips for processing TPE

    Thank you for the replies. I am due to start up the TPE this morning....Holding thumbs that my lower section feels no pain today! The brand is from TEKNOR APEX?

    On the PA, So the water is like a...
  19. Post treatment of Nylon 6 parts and also tips for processing TPE

    Greetings from Sunny South Africa, Yes we do mold down here and yes the lions do wander through the factory from time to time. ;)

    Its my first post so go easy. I hope I have supplied enough info....
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