Stack molds

We are recruiters doing a job search for a design engineer with hot runner and stack mold experience. Job is located in Kansas City and has a salary range of $85-100K. If you know of anyone with 5+ years experience in designing custom plastic injection molds in the consumer products, medical device or food packaging industries please pass along this info & ask them to contact me.
Thanks,
Dwight Stoneburner
Stoneburner Associates, Inc.
913-248-0066

If you are running polyolefins, be sure to specify Diarylide- free pigments, or your color changes will be LONG, like maybe a day. DF pigments ensure a rapid color change, like maybe 10 minutes. I agree with everything Rick said about stack tools. I think maybe Tradesco is called Stacktech now? Husky just got back into the complete tools. They were good. Make sure your press can take the weight, even with the tiebar carriers that many tools have, also don't forget shot size. I used to like getting the whole system from HUSKY. One thing, if you will be using one stack instead of 2 single faced tools, is that all your eggs are in one basket.

Brent

The reason for a stack mold is that more tonnage is not required for the part area, usually just larger plattens. Color changes are not a problem if you make sure the hot runner supplier is aware of this at the start of the tool build and uses the correct parts. Insert changes are also not trouble if you have the right tool maker. I would sugget you get Husky to build your tool, Tradesco is another but I think they have changed their name. The tool maker needs to have experience with this kind of tooling, you will only have heartaches and trouble if you select the wrong tool shop. Will this be a dedicated press? Stack molds are more difficult to set up and start, hopefully this press will run from start up to shut down. The type of press is important since some have machine eject in the front platten while other stack tools use stripper plates controlled by racks/gears mounted on the tool. Hope this helps,Rick.