Injection Molding
Automotive Molders Add Big Multi-Material Presses
Two companies of the Automotive Components Div. of The Windsor Mold Group, Windsor, Ont., recently commissioned several 2200-ton multi-component injection machines from Engel Machinery Inc., York, Pa.
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News in Injection Molding Control & Monitoring from NPE2012
There were also several interesting developments in injection molding control and monitoring systems at this past April’s NPE2012 exhibition in Orlando, Fla.
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New Injection Screw Breaks the Rules, But Fixes Many Molding Defects
“Revolutionary” screw design turns conventional plastication theory upside down.
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Overcoming IML’s Challenges To Reap Its Rewards
In-mold labeling has advanced dramatically over the past 20 years, but mostly in Europe. Here is what you need to know to bring IML to your operation.
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Do You Still Get Stubborn Surface Defects, Even With Sequential Valve Gating?
Sequential valve gating either eliminates or greatly reduces the flow-front collisions, and resulting knit lines, between a set of nozzles. However, there are still applications using sequential molding where a 鈥済host mark鈥 or marks occurs on the part between a set or pair of nozzles and/or near the gate itself.
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Nozzle Leaks: Why They Occur, How to Detect & Fix Them
Nozzle leaks are a serious problem in injection molding. Here are some causes and remedies.
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In-Mold Label Is Also Food Package’s Seal
At April’s NPE2012 show in Orlando, Fla., in-mold labels (IML) showed they can fulfill new roles, such as providing barrier protection (see our March show preview). They also can provide air- and water-tight seals, eliminating the need for a foil or film sealing membrane.
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New Services for Injection Molders
At NPE2012, three firms announced new or expanded services for molders:•Milacron’s Servtek aftermarket 大象传媒 in Cincinnati offers a new capability for ordering spare parts online 24/7.•Ube Machinery Inc., Ann Arbor, Mich., is offering three new services to help molders deal with difficult economic conditions.
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Molders Try Cross-Training To Build Crucial Skills In-House
Despite high unemployment, many plastics processors still can鈥檛 find qualified workers to fill open positions that require specialized skills. So some are looking at further developing the skills of the employees they already have.
Read MoreShould You Profile Injection Velocity?
If you can get by with one velocity, use only one, because fill time is easier to reproduce, and it is easier to set up the process.
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