Manufacturer Introduces Complete Die-Rebuilding Services

Originally Published MPMN October 2005

INDUSTRY NEWS

Manufacturer Introduces Complete Die-Rebuilding Services

Corinne Litchfield

A global builder of extruders, screws, and barrels has introduced a complete line of extrusion die-rebuilding services. Diamond America Corp. (Akron, OH; www.diamondamericacorp.com) has coordinated the effort with its sister company, Akron Tool and Die Co., in order to provide a more full-service approach to the markets they currently serve.

"We have been rebuilding and refurbishing dies and a vast variety of precision-machined components since the early 1960s," says Pat Warmington, president and COO of the parent holding company. "It's time to make our experience and expertise available to the entire plastic extrusion industry."

The rebuilding program includes disassembly and cleaning of the die; stripping of all prior plating; polishing of all flow areas to 6–8 rms; grinding of all seal surfaces to 0.0005 in.; machining of feed openings to accommodate grind stock removal; plating die internals to 0.001 in. and flash plating all other exposed areas to 0.0005 in.; and final assembly, inspection, and return to customer in like-new condition.

During the process, the company maintains records on each die and establishes a database that notes any changes or specific repairs made to the die. A detailed history of the die is recorded for future reference.

The company can rebuild dies for sheet and film, coating and lamination, blown film, pipe, and extrusion. In addition, strand dies for the compounding and colorant markets can also be rebuilt.

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