Injection Molding
Flow Analysis Gets It Right the First Time
This molder's trial parts showed visible flaws that made them unusable. Simple changes in tooling, processing, or materials couldn't fix it. But flow simulation provided an answer that worked right off the bat.
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Hybrid Injection Clamps The Best of Both Worlds?
In between all-electric and hydraulic-powered injection machines, a new species of hybrid clamp has emerged. Advocates say it combines the best qualities of electric servos and hydraulics without their disadvantages.
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Metal-Powder Injection Molding Moves Into Larger Parts
It’s not just for small parts anymore: One of the latest developments in metal-powder injection molding (MIM) is its first commercial large part—a 3.5-lb flow-body housing for a passenger jet plane.
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Success in LSR Molding
Liquid silicone rubber parts are getting larger, but most LSR molders still have relatively small injection machines with limited shot capacity.
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Close-Up On Technology - Interchangeable Dam Adds Versatility to Screw
A new barrier screw has removable keys to change the dam height, allowing the screw to be tuned for highest throughput with resins as different as LLDPE and nylon, says the screw’s designer, Robert Dray, president of R.
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How to Injection Mold Cyclic Olefin Copolymers
This new family of clear engineering thermoplastics made its first big splash in extrusion, but now injection molders are learning how to process these amorphous resins into optical and medical parts.
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Hourly Rates Dipped Again
Mid-year custom injection molders' machine-hour rates dipped 1.3% on average in the second quarter of the year, according to 122 plants responding to our latest semi-annual survey.
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Unscrewing Molds Go Electric
Hydraulics are the usual power source driving unscrewing cores to separate threaded parts from injection tools.
Read MoreFirst Plastics Molders Sign Up For Ford's 'Supplier Park'
A 155-acre lot in the Chicago area, vacant for 40 years, will be converted into the site of the first automotive "supplier park" in the U.S.
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Molding Simulation Gets Easier Than Ever
In the mid-'90s, when Peter Rucinski worked for a plastics resin supplier, he broke his company's record by performing 30 mold simulations in one year.
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