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Significantly Enhance Part Quality by Minimizing Barrel Bow

SYMFILL Technology minimizes core shift of cylindrical, center-injected components having an aggressive L/D ratio

Published: Tuesday, December 14, 2021 - 13:00

(Mold-Masters: Georgetown, ON, Canada) -- On recent blood vial applications that leveraged SYMFILL Technology, barrel bow was reduced by up to 90 percent (as little as 0.15 mm) by eliminating core shift. SYMFILL Technology is exclusively available with Mold-Masters hot runner systems.

SYMFILL Technology significantly minimizes core shift to improve part quality (straightness) of cylindrical, center-injected components having an aggressive L/D ratio. It achieves this by allowing the melt to enter the nozzle runner channel from multiple sides as opposed to the single-entry point of traditional designs. Examples of such components that would benefit from this technology include blood tubes, needle shields, over caps, and other similar parts from the medical, cosmetic, and stationary industries. 

Minimizing barrel bow offers many downstream processing advantages, which includes:
• Tubes roll concentrically in the labelling machine
• Increases final stage throughput
• Minimizes machine downtime 

About Mold-Masters

Mold-Masters is a leading global supplier of hot runners, controllers, auxiliary injection and co-injection systems. We design, manufacture, distribute, sell, and service highly engineered and customized plastic processing equipment that cater to every market. Mold-Masters is credited for patenting the first commercially viable hot runner system in 1965. Today, Mold-Masters conducts business in more than 100 countries and employs a diverse workforce that exceeds 2,150 professionals. Mold-Masters global headquarters is located in Georgetown, ON, Canada.

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For 40 years Quality Digest has been the go-to source for all things quality. Our newsletter, Quality Digest, shares expert commentary and relevant industry resources to assist our readers in their quest for continuous improvement. Our website includes every column and article from the newsletter since May 2009 as well as back issues of Quality Digest magazine to August 1995. We are committed to promoting a view wherein quality is not a niche, but an integral part of every phase of manufacturing and services.