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  1. Replies
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    Re: Cosmetic Process Window

    Hello Rook,

    1. You are very correct to cap off the pressures. My limit is actually about 6000 plastic psi. Byond that you can over pack the part and/or damage something. And so one has to be...
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    Re: Liquid color issue

    Good points above.

    For now, if you are getting good mixing with higher back pressures and screw speeds, then set the back pressures and the screw speeds to these higher values and then adjust...
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    Re: Guidance required

    Hello Carl,

    Welcome to the forum.

    Lighting tools can be expensive since you need mirror finishes and so on (if not your lens will not be clear). Additionally, there are some features not easy...
  4. Re: Autojector HS-30 not turning screw fast enough

    I also think it is the first. Is there is torque setting that you can play with?
    Suhas
  5. Thread: K 2019

    by Suhas
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    Re: K 2019

    OK. It is far away and so you can start looking for some business or convince someone to get married there (or if you are single, you can get married :) ). Just make sure to invite the whole IMO team...
  6. Thread: K 2019

    by Suhas
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    Re: K 2019

    Thank You J for the post!

    I would LOVE to meet you and everyone on this forum. I was not able to make it to the show. Just too much things going on. Here is an invite for you all - long time ahead...
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    Thank You All - from Suhas

    Hello All,
    I wanted to Thank You all for participating on this forum. Sorry, it has been crazy busy for me and am not able to comment often. I do read the posts and some of the posts and comments...
  8. Re: Mucel causing zones in barrel to rise in temp far above set point.

    Yes. My point too. I too think the screw rpms are too high and/or the zones are set low on the temps.
    Suhas
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    Re: Injection Molding Mexico

    Yes, lots of them in MX. I know one in Tijuana, MX. If that is a good location for you send me an email - suhas@fimmtech.com and i will put you in touch with them.
    -Suhas
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    Re: Nautilus 8 Tips (Finding data for entries)

    Hello Ben,

    Thanks for the questions. All good and valid questions that I get asked all the time.

    Residence times: Unfortunately, there is a no good resourse for this. And as you rightly said...
  11. Thread: core deflection

    by Suhas
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    Re: core deflection

    In the past, I had a similar issue. Investigating further I found that it was the packing pressure and time that influenced the core shift.
    Makes a LOT of sense if you think about it!
    Suhas
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    Re: Valve Gate Hot Runner - Sliding Cores

    Hi,

    That would be very difficult. At this point, I have not seen a hot runner in a core (but I have not seen everything).

    Suhas
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    Re: Tips for small shot sizes

    Excellent recommendations above!
    -Suhas
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    Re: Color is changing while molding

    You can try and use purging compounds. Google ASA clean or Dynapurge.
    Suhas
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    Re: 3-Plate Tool - Pin Gates: Witness / gate marks

    It will always leave a mark. However if it is designed correctly it will have no protrusion and will be relatively smooth.
    Suhas
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    Re: Beginner to injection moulding

    Hello,

    The mold can be put in between the platen and then rotated to fit between the platens - OR - slide it from the side, which in your case may be difficult because of the size of the mold....
  17. Re: Sites for Free Training and Free Certificate In Injection Machine

    If you want to get this done right, no free course can help you understand this correctly. The most inexpensive way to do this is to buy a book and learn from it. There are several of them on Amazon...
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    Re: Silicone Foil Stamp Die

    OK, got it.
    Sorry, don't know any.
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    Re: Finding Equipment Buyer

    Yes, the brokers are your best bet. I was trying to sell my Engel for a year with no luck. I talked to a broker, he asked for pictures and videos of the machine running and it was sold a month later....
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    Re: Concentrate Questions

    I worked on a project with an irrigation company. The product was made in 5 colors. We had to dry two of them since they showed splay if they were not dried.
    So it would depend on the carrier. ...
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    Re: Silicone Foil Stamp Die

    Wow! I did not even know you can successfully hot stamp silicone it being a thermoset. Thanks for the info but sorry, not my area.
    Suhas
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    Re: Material selection between PP and PE

    Hi,
    You will have to make some test blends and experiment with it. It is very difficult to tell only because none of the mixing relationships are linear due to Chemistry. On the other hand, why not...
  23. Re: Mold Injection , What Kind of Shapes are possible

    Hi Michael,
    We are here to help. I think your project is an easy one. You can make it from one piece. Honestly, your best bet is to design this in CAD and take it to a mold maker and he will...
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    Re: Concentrate Questions

    Yes, some of the colors may have a shelf life.

    Dry concentrates are easy to use but on small shots can be difficult to maintain consistencies. Liquids are best to get consitency from shot to shot...
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    Re: Calculating Percentage of Machine Shot Volume

    Good discussion folks!
    Technically, both should get you the same result. As discussed above, I would calculate the actual melt density at the given temperature and also don't forget the set Back...
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