News
We are pleased to announce the addition of John Altman to our sales staff effective October 31, 2011. John will take the position of Regional Sales Manager and is responsible for promoting Md Plastics Inc. value added processing assistance as well as Plasticating Unit components such as Screws (Posi-MeltTM) for Injection, Blow and Extrusion machines, [...]
From: Plastics Technology Issue: October 2011 Compactness, durability, and low cost—everything that has been missing in many typical shutoff nozzles—are delivered by the new Mini-Shut nozzle, according to Md Plastics Inc., Columbiana, Ohio (mdplastics.com). Injection molders have used melt decompression to avoid stringing and drooling. But according to Michael Durina, head of Md Plastics, melt [...]
By IMM Staff Published: September 8th, 2011 That’s the question, and succinct answer, that MD Plastics Inc. (Columbiana, OH), has for injection molders who normally have to control their resin melt via decompression to eliminate stringing and drooling. MD Plastics President Michael F. Durina says his company’s Mini-Shut provides an inexpensive, automatic, miniature nozzle shut-off tip [...]
Thursday, September 08, 2011 Columbiana, OH—Effective control over the melt-phase of plastic materials in the injection molding process depends upon a number of key factors, not the least of which is the pressing need to eliminate stringing and drooling through effective control over melt decompression. However, Mini-Shut™ —an inexpensive, automatic, miniature nozzle shut-off tip that [...]
Much has been written about the Injection process relative to mold filling, in fact there are numerous companies that derive their income teaching this science such as RJG Incorporated, Injection Molding Solutions in the USA and others abroad. This process of determining the injection velocity during fill, pack and hold to produce a qualified part [...]
One of our customers, a large sophisticated Midwest Injection Molding Manufacturer recently reported some very interesting performance numbers to us while using our “MDP” performance three piece sliding ring screw tip (NRV) on a 90mm diameter 500 ton Mitsubishi Injection Machine. The customer was looking for some better performance compared to a Industry Standard “Three Piece [...]
When asked by one of our customers to get our opinion of a recently published article in Plastics Technology Magazine by Mr. John Bozzelli, we answered; I think that John is over-simplifying the science involved in getting a valve to shutoff and specifically shutoff in a short period of time without leaking through the full [...]
