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Metal Joining Technology for 21st Century Hot Runner Systems
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Polyshot Corporation has developed its own in-house technology to join manifold plates for state-of-the-art hot runner construction. This technology allows Polyshot Corporation’s engineers to design manifold flow passages based on the best conditions for the part being molded without the serious limitations of gun drilling flow passages.

Picture of machine flow path in one half of a manifold before being used.

Manifold plate fusion completely eliminates the use of end plugs and the mismatch they cause in the material flow paths. Instead of being restricted to flow paths drilled in straight paths in prehard manifold blocks, the plate fusing process allows Polyshot to machine curved free flowing configurations into hardened H-13 manifolds.

Below is a flow path extraction from one half of a two shot hot runner manifold system which Polyshot manufactured for a Japanese automotive manufacturer. Of particular note is the area of the flow path highlighted in green. This particular geometry was created to reduce injection pressure on the center row of nozzles and is typical with Polyshot manifold construction.

Flow path extraction from one half of a 2 shot hot runner manifold system.

Nozzle side view of a finished manifold

Polyshot Corporation’s engineering manager, Mr. Gilbert Chan, recently had an article featured in Moldmaking Technology Magazine that goes into detail relative to this hot runner construction process. You can read it by clicking here.

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The Polyshot catalog is
now dynamically
produced ensuring both
print and online versions
are always the same.
Search and view the
2011 catalog online or
request a traditional
print catalog.

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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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Justify your hot runner
purchase! Simply
Choose a mold, enter
your cost, and price out
the result with our online

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About Us
Polyshot Corporation, Inc.
75 Lucius Gordon Drive
West Henerietta,NY
USA 14586-9682
1800 POLYSHOT(765-9746)
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