Exploring the: Hot Runners Zone
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- Novel Two-Stage Approach Makes Purging Hot Runners a Breeze
- Two new and unusual compounds have been developed to ease the challenge of purging injection molding hot-runner systems.
Article Published: 2/1/2007
- Get Control Of Flow in the Mold
- A novel technology allows injection molders to alter the flow pattern inside the cavity and balance the filling of multiple cavities by means of an external mold adjustment while the tool remains in the press. In this exclusive article, the system's...
Article Published: 2/1/2007
- How to Clean a Flashed Hot Manifold-Part Three
- We left off last month with all 16 nozzles removed from the manifold (with the tips protected by tape) and still wired to the electric box.
Article Published: 12/1/2006
- How to Clean a Flashed Hot Manifold-Part Two
- Already a familiar sight on European store shelves, the eye-catching appeal of "IML" is gaining traction among North American injection molders. The latest tooling and automation designs can handle the higher volumes needed here.
Article Published: 11/1/2006
- A Custom Molder Takes the Next Step
- The question John Winzeler keeps asking is, “How do you take the next step?” In the last two decades, he has transformed the Chicago metal-stamping company he inherited from his father into a high-tech specialty molding business focused ...
Article Published: 8/1/2006
- What to See at NPE 2006: Injection Molding
- Energy-saving all-electric machines will continue to be a big draw at NPE, where new designs or upgraded models will be found in virtually every press maker’s booth.
Article Published: 6/1/2006
- NPE 2006 News Flash
- Injection MoldingSimplified Hot Runners Save Time & CostA new lower-cost hot-runner alternative to valve gating is suited to less critical cosmetic applications where users need predictable and reliable gate opening but not sequential gate opera...
Article Published: 5/1/2006
- With This New Process, You Can't Be Too Thin or Too Fast
- Minneapolis custom molder Midwest Plastics Components (MPC) hopes that helping to pioneer a novel high-speed injection molding concept will give it a leg up in the emerging micro-molding market for precision thin-wall parts that weigh less than a gr...
Article Published: 4/1/2006
- Auto Glazing: Window of Opportunity for Molders
- This emerging market promises to be big but challenging. Polycarbonate car windows require specialized machinery, high-end processing capability, premium polymers, advanced coating technologies, and innovative mold and runner designs.
Article Published: 4/1/2006
- 50 Ideas That Changed Plastics
- Very few readers of this issue can remember, or even imagine, what it was like when an injection molding machine did not have a screw, but only a smooth-bore plunger.
Article Published: 10/1/2005
