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Thinshot at MGS Mfg. Group
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Among recent installations of the Thinshot systems one application stands out. Polyshot recently constructed a 32 Thinshot valve gate system (2 rows of 16 nozzles) for a consumer application that was ordered from MGS Mfg. Group in Germantown, WI.

This vertically molded application includes an overmold of a pre-stamped, .0015" thick stainless steel strip that is fed into the mold in a "reel to reel" fashion. The mold clamps over the strip and the material (K-resin) is injected through the Polyshot hot runner system, into .037" diameter valve gates and finally the 32 individual mold cavities. The strip is supported in the mold cavity by 14 strategically placed core pins. The fill pressure is critical to this particular application as the wall thickness of the overmolded material is as thin as .021".

The hot runner system also features a dual rack actuated valve gate mechanism, which is hydraulically driven with a single cylinder off to the side of the hot half system. This system was needed because of molding machine shut height limitations that required the valve pin actuation to be extremely thin.

Picture of MGS Tech Center.

MGS Mfg. Group is no stranger to challenging applications. With several divisions that include: Moldmakers Incorporated, TecStar Mfg. Company and Statistical Plastics Corporation, MGS Group is a big operation that has a reputation of being able to deliver on complex turn key projects with a specialty in multi material molding and equipment.

Of particular note is the Universal Multishot Systems (UMS) Portable Injection Unit/UMS Rotary Platen Unit MGS manufactures, that allows a conventional molding machine to be converted into a multimaterial machine. MGS also supplies complete automation services and equipment to complement its line of molding machinery.

Picture of UMS Portable Injection Unit.

Polyshot has had past experience running its hot runner systems on machines fitted with the UMS system and is particularly impressed with its ability to easily interface through the existing machine's RS232 port. The multimaterial injection unit bolts to the machine (typically the top) in about an hour, gets plugged in to the RS232 and is ready to go.

For information about the MGS Group, contact Mr. John Berg, Director of Marketing at john.berg@mgstech.com.

 
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Polyshot is pleased to announce a significant price reduction on its industry leading Single
Nozzle Valve Gate System, patent pending. Due to its extreme success in the marketplace
we have been able to increase our manufacturing volumes and lower the price with no impact
to its quality or performance.

In addition to the M11 Polyshot Single Nozzle Valve Gate price reduction, we have
also lowered the M15, higher capacity Version to $4,490.00.

Power – 400 lbs of pin force, 4 times the pin force of any pneumatically operated single nozzle
valve gate in the industry.

Size – The entire system fits within the mold locating ring.

Capabilities – Can process resins up to 700 degrees F. (370 degrees C.).
Excellent for clear medical parts.


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Learn how to install a
heater and thermo-
couple in a 050M or
MS75 nozzle.

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Polyshot Corporation, Inc.
75 Lucius Gordon Drive
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USA 14586-9682
1800 POLYSHOT(765-9746)
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