Articles

Injection Molding 24 Sep 2013

Medical Molder Expands into Full-Service Product Development

In July, Mack Molding acquired Synectic Engineering, Inc., Milford, Conn., a company focused 100% on medical product development.

polyolefins 24 Sep 2013

Prices Flat or Slightly Lower

Prices of PE, PP, PS, and PVC remained steady through last month, although price initiatives were on the table for all but PP.

Heating & Cooling 24 Sep 2013

Optimize Cooling Water Supply To Reduce Distribution Costs

Reducing distribution costs for cooling and chilled water is often one of the easiest and quickest methods of reducing energy use in water cooling, yet most plants have never investigated this area.

All Electric & Hybrid Machines 24 Sep 2013

‘ECO-ECONOMICS ’: Harbec Plastics Proves It Pays to Be ‘Green’

Bechtold has spent 15 years in an ongoing quest to prove that manufacturing in a sustainable manner is not opposed to profitability. On the contrary, he says his experience shows that sustainability is an economic opportunity that manufacturers can’t afford to miss.

Medical 24 Sep 2013

New Approach to Micro Molding to Debut at K Show This Month

It has clamping and injection systems unlike any other machine on the market.

Feeding & Blending 23 Sep 2013

Improve the Performance Of Your Gravimetric Feeder

Start with seeing how well the material feeds 'volumetrically.' But there are a host of other considerations as well.

dies 23 Sep 2013

Pull Yourself to More Accurate, Repeatable Medical Tubing

The puller is the heart of the tubing extrusion process. While material throughput rate is generated by the extruder, and the tubing is initially formed in the die, it’s the puller that develops the ID/OD and wall thickness.

Extrusion Know How 23 Sep 2013

‘General Purpose’ = No Purpose

Such screws have no value in extrusion operations.

Injection Molding 23 Sep 2013

Don’t Forget the Cold Slug Well

Its primary function—as the name suggests—is to act as a trap, or “well,” for the cold slug.

Testing 23 Sep 2013

Melt Flow Rate Testing—Part 3

There is a well-established relationship between something called the weight-average molecular weight of a polymer and a parameter known as the zero-shear viscosity.