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I was taught many years ago that there were two main causes of splay, heat and moisture. The old school way to tell is you could smell the heat splay and not moisture. Grab a part right...

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I have used this site and like it.

https://www.ulprospector.com/en/na

Scott

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https://www.vamcomfg.com/


they do good work

Scott

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Great questions above, I have a few more.

Does your material have enough resonance time in the dryer hopper? The material needs to have 4 hrs of dry time in the hopper.
What is...

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I would suggest looking at your dryer also. Drying temp? Drying time? Dew point? Does the part run well for a while after it has been down and then start with the streaks? Does the...

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I would add: is your Nylon dry? When you purge, is the material coming out of the nozzle popping and hissing?

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My question would be when was the last time the column seals and intensifiers rebuilt? Not a fun job but some KM's need to have them done almost yearly.

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You have ID'd the issue, "There are material lumps / crystallisation in the walls.". See the page from a PET preform troubleshooting guide.

Hope it helps


527

What melt flow of abs are you using? A high melt ABS will flow and fill better, 15-20, with less heat. If you are running a good melt I would suggest you try a blowing agent, I run lots of ABS and DO...

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Rickbatey makes a great point but do your research on lasers, we upgraded to laser units from ink and they were class 4 Co2 units that had to have enclosures around. You have to reload...

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In reading the motors hyd input PSI, does it spike when it stops running during the stop N Go? If so it tells you it's in the motor. Find the test port for the motor and try it.

Scott

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Well, The thermolator has been on that machine for "years" and I guess that for "years" the motor has been running backwards, Yes for "years. I double checked with the manual and phased...

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I've been working at another company to help with some maintenance issues and have an issue with a thermolater that has me and the manufacturer stumped.

The unit when set at 180...

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Our JSW electrics have the same timer, you have to make sure that it is set higher than your fill and hold time. I shoot for a bit less than .5 seconds left over and have a segment on...

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I use a FINAWAX E for my slip and works great, they have a grade for polyamides,

"FINAWAX-SS has ability to withstand high temperatures that makes it suitable for processing of...

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I had some jobs running gas assist for a Durango handle on an A and B pillar, we used nitrogen and two different gas units on a valve gated hot runner mold.

Inconsistent gas...

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You need to determine if you barrel is bad/worn by measuring the zones and match to the manf specs, lots of $ need to have data. Have you tried a mixing head or section of your screw?
...

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Had a FLIR unit a few years ago and loved it only Con was the cost and getting it approved. Pros: Aside from the many uses in looking for hot spots in your electrical panels, We were...

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If you have to run in a hydraulic clamp press:

Do you need a hard bump at clamp open to dislodge the runner? A momentary air blow might help removing the runner.

If yes, use...

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I've ran thin walled optical type pieces out of Acrylic and san, in molds up to 16 cavities.

Will that get more details?

Scott

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We use E2 manufacturing software for the plastics portion of the business but it, for lack of a better word, SUCKS.

I was wondering what the people here use and recommend as the boss...

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Yep you have what you need. The new robot will have the SPI connector, the literature from the manufacturer will show it.

Have fun with the rewiring, i'm an industrial electrician,...

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Mitchell do you have the electrical prints for the robot? For the IMM? If so, You can buy the SPI plug for the robot and rewire the connector to attach to your spi connector on the IMM....

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Looks to be Pre SPI, if you have the prints you can cross ref the inputs/outputs and rewire to a connector compatible with your SPI interface. Did it many moons ago with AEC sprue...

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Compare the carriers in the colorants to see if the black differs from the others, could be the issue.

Scott