We had an electric Niigata 110 press leak impact modified Nylon 6 all the way down the barrel to the hopper. I won't bore you with any pictures... 3rd shift foreman: "Yah it ran great last night"....
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We had an electric Niigata 110 press leak impact modified Nylon 6 all the way down the barrel to the hopper. I won't bore you with any pictures... 3rd shift foreman: "Yah it ran great last night"....
Hey there Peeps of "Suhasville".. I am looking at purchasing a Loss of Weight (LOW) moisture analyzer. I know they are not the best, but it is all I can manage at this time. Price ceiling is $2500...
Might be time for a screw pull. Check the tip and checkring. Your shearing the material somewhere.
I'm not clicking on that link!!!
I have never run a mold with only air ejection. Stripper would be best. But, without redesigning the complete mold you could try increasing the diameter of the poppet and/or increase the air...
I have not had any experience with them. BUT, we do have a few Wittmann Robots. Battenfeld and Wittmann are now Wittmann-Battenfeld. They can give you a full turn key cell (Molding Machine / Robot...
It can be difficult to color high temp materials. Its all about the carrier of the concentrate. I was trying to color Ryton R7 PPS with bright blue concentrate. I dried the concentrate with the...
Coloring high temp materials can be tricky. We had a Bright Blue PPS part and the blue concentrate kept turning green. It all about the carrier resin. We ended up drying the concentrate at a lower...
Has anyone had any experience with Haitian 2 shot machines? It is a side by side injection unit style. Some additional info
281 Ton Haitian IAPETUS IA 3600b 2-Shot Injection Molding Machine:
*...
I've been working with Niigata all electrics for a few years now and like them. Husky electric /hydraulic hybrids are nice, but pricy!!
http://www.servicesforplastics.com/ScrewsBarrels/screwbrands/shinwaseiki.htm I've used SFP before. Never heard of Shinwa
I agree with Suhas. Robert Malloy of the U-Mass Lowell Plastics department wrote the "bible of part design".
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I'm a fan of the Nibore. I've tried the two part nano-coating from pcs, but I've never seen conclusive results.
If the sides come in with the lifters out..OUCHH Make sure you have some positive KO / return (Tie in KO's, use return bars on top/bottom of the mold, mold close interlock switch at KO plate...
I agree with Rick, but check your injection graph and make sure you don't have a cold slug spike from the nozzle tip. That can really mess you up.
We use Hyrocercol at 2-3 %. Fill the part 95-99 % full and use NO holding pressure, but have some time. Let the foaming agent do its work.
I've run small and large optics. Is the material PC? If so try 250-275 and fill SLOW.
Purge compound works to get the color / black specks out. There are some transparent material that will be milky for a long while until the purge comes out. Here are a couple of "transition after...
I think you should try to fix the contamination issue. But until you do, try using the max injection pressure alarm as well as a cushion alarm. If the parts are very small the cushion alarm may not...
When only using 25% of the barrel capacity you might see one shot with a cushion and the next with no cushion and it will alternate late that. This can be due to "bounce back" after the hold time is...
Rick and bdeuell,
Another no no is POM (acetal) and elastomer. Mix delrin or celcon with santoprene and BAD things will happen. I had a material handler put a tray of santoprene into a hopper...
Ever worked with and old Reed? Also add Newbury. I work on Haitans when I visit good ol' Shenzhen, China. Not a big fan of Haitans
https://youtu.be/-7mhXduBwVw
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A local company wants to transfer some tools to us and two of them are like the attached photo. "Gun #09". Hydraulic eject, no clamp....
This is a first for me.
Seen this?
Mold can be designed with "gas channels" in them and gas nozzles to fill those channels and pack out any thick areas. I did a ton of research about systems and royalty fees. Most of the original...