Injection Molding

best practices

Eight Steps Toward a Seamless Mold Transfer

It’s big news when an OEM decides to move a substantial number of molds from one processing operation (either their own in-house/captive facility or an outsourced molder) to another.

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Multicomponent

New Multi-Injection Approach to High-Barrier Packaging

At last month’s Interpack fair in Germany, Netstal of Switzerland and two partners demonstrated a new approach to injection molding high-barrier rigid containers.

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Press Maker Negri Bossi Buys Robot Supplier Sytrama

Italian injection machine builder Negri Bossi (U.S. office in Newark, Del.) will now be offering integrated automation solutions by virtue of its acquisition in late April of Italia robot supplier Sytrama (U.S. operation is in Windsor, Conn.). Sytrama makes three-axis and linear-axis robots, side-entry robots, and linear motors for use on presses from 50 to 6000 metric tons.

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Hot Runners

New Ownership for Husky

Boston-based private-equity firm Berkshire Partners and OMERS Private Equity of Toronto reportedly paid $2.1 billion last month to jointly buy Husky International Ltd. and its subsidiaries, which makes injection molding machines, hot runners and molds.

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Screws and Pellets: One Size Does Not Fit All

Screw design, pellet type/size and material behavior are all critical issues to consider to deliver uniform melt to the mold.

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New U.S. Molding Operation Brings Processing In-House

Freudenberg Household Products (FHP), Germany, known in the U.S. for its line of O-Cedar mops, brooms, dust pans, etc., has joined forces with Spanish injection molder SP Berner Plastic Group, S.L., to form a joint venture company called FHP Berner U.S.

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Postprocessing

Film Insert Molding Adds Antennas to Cell Phones

 WEB EXCLUSIVE: One of two recent developments in polycarbonate films allows cost-effective integration of antennas into cell phones via printed electronics and film insert molding (FIM), also known as in-mold decorating (IMD). Bayer MateriaScience AG in Germany (U.S. office in Pittsburgh) has applied for a patent on a method of using printed electronics on PC films, which are then back-molded into cell-phone housings.

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Custom Molding Still Recovering

Custom injection molders continued their recovery from the Great Recession of 2008-2009 in the second half of 2010, though at a slower rate than in the first half.

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Packaging

Multi-Layer Injection Molded Tubs Take on Thermoforming & Metal Cans

Kortec Inc., Ipswich, Mass., a supplier of multi-layer injection molding technology, is launching an altogether new system for making rigid barrier containers.

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Automotive

Microcellular Foam with Heat-Cool Makes Class-A Glossy Parts

A high-gloss surface equivalent to automotive Class-A solid molding can now be achieved with the weight savings and other benefits of microcellular foam molding, thanks to a new licensing agreement between Trexel Inc., Waltham, Mass., and Ono Sangyo Co.

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