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Simulation software reveals hidden processing problems

Article-Simulation software reveals hidden processing problems

Scientific Process & Research?s (SPR) new Injexx 2000 injection molding simulation software exposes the part of the molding process that many molders are failing to evaluate?the plastifying unit. The new software provides a CAE tool that reveals the actual conditions operating within the plastifying unit, considering hundreds of interdependent parameters such as material type, resin type, viscosity, and residence time. With a precise understanding of the screw, barrel, and plastifying characteristics during operation, the offline diagnostic tool permits molders to run multiple simulations, each modifying another parameter until the ideal combination of resin, screw, and operating conditions is subsequently determined.

?Until now, there has never been a way to see what?s happening inside the barrel, so molders have focused on the mold and don?t realize they?re only evaluating half the process,? says SPR president Ron Klein. ?When you?re spending $100,000 in complex mold design, it?s easy to overlook a $2000 screw. But our experience shows that most problems are rooted in and can be solved in the plastifying unit.?

According to Klein, molders are unaware of the production and quality that their processing lines are capable of achieving. In one case, he says, using the Injexx 2000 enabled an injection molder of healthcare products to reduce the number of shots in the barrel by 87 percent, cool the melt temperature by 20F, and trim cycle time.

The Injexx 2000 system integrates with mold analysis tools for a complete view of the entire injection cycle. The Windows 95/NT simulation package operates on an Intel platform with minimum requirements of a Pentium processor with 32 Mb of RAM, SVGA graphics, 1 Gb of disk storage, and CD-ROM. Pricing information was not provided.

Scientific Process & Research Inc.
Somerset, NJ

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