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The use of venting material in appropriate areas can eliminate gas buildup, reduce injection pressure, lower cycle times, gloss levels and substantially reduce scrap and reject rates.
Ejector and core pins come off the grinding machine with an SPI 4-5 surface finish when using special grinding process technology and proprietary diamond grinding wheels.
Of all the tasks polishers face in this trade, texture and its related problems are probably among the most challenging. But with a few tips and tricks, almost any polisher will be able to stand up to this daunting task to produce professional results.
With the right tools and experience, a mold can be plated and maintained with confidence no matter where it originated or what materials were used to build it.
The following steps represent a major refurbishment that will increase tooling life and reduce the cost of manufacturing and secondary operations in molding facilities.
MMT highlights a diverse range of digital-only products/services from Mitsui Seiki, L.S. Starrett, Hasco, Okuma, Hexagon, DMG MORI and more.
DMS showcases Bolex P ball-guided ejector bushings made of special roll steel bush casing, hardened and ground to hold fixed inside a high-resistant bronze cage for guiding the balls running along the cage.
This year’s Leadtime Leader Large Shop, Triangle Tool Corp. (Milwaukee, WI), has strategically positioned itself as a leader in building injection, SMC (sheet molded compound) and BMC (bulk molded compound) compression, structural foam and blow molds for large plastic parts—and has always used Delcam’s (Windsor, ON) software exclusively.
When it comes to eliminating flash from the periphery of a molded part, there are at least three different approaches that can be taken. The choice is based largely on amount and severity of the flash.