best practices

best practices

Six Tips to Prevent Those Annoying Streamers

Streamers are a vexing problem that can foul up production. If you have time and budget constraints, there “at-home” solutions you can try. But once you’ve exhausted those routes, you might have to throw a little money at the problem. Here’s a process engineer’s view of things.

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The Long and Short of It (Part 2)—Tips for Molding Short-Fiber Reinforced Polymers

Following on a similar guide for long-fiber reinforced compounds, here are practical tips on designing and injection molding parts utilizing short-fiber reinforcements.

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Is Your Profile Die the Problem? Or Is It the Heaters?

When a profile is not being extruded to the tolerances of previous runs, the die is often suspect—but the real problem may be the heaters. Learn the five heater-band principles before you do any profile die work.

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Service Helps Manufacturers Buy Energy When the Time is Right

Insulating manufacturers from market volatility can pay off big, as one firm can attest.  

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Understanding Fountain Flow in Injection Molding

The phenomenon of fountain flow affects almost every aspect of the molded product—starting with filling, extending to pack and hold, and ultimately manifesting in part defects like bubbles and voids.

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best practices

Three Keys to Managing a Successful Tool Transfer

How to effectively manage a tool transfer despite rundown tools, an outdated automation system and difficult materials.  

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best practices

Use Pressure Control to Minimize Process Variations in Single-Screw Extrusion

You can improve process stability in extrusion by using pressure-control feedback. The stability of the process is based on the pressure variation in the adapter after the extruder. Trials on a variety of polymers revealed how effective this approach can be.

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best practices

Make Your Auxiliaries More Energy Efficient

Don’t overlook your auxiliaries when you’re looking for areas to cut energy consumption. Implementing simple changes won’t break the bank and could pay off big by improving your bottom line and reduce your carbon footprint.

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best practices

The Long and Short of It (Part 1)—Tips for Molding Long Fiber-Reinforced Polymers

In Part 1 of this series, we address long-fiber processing fundamentals and best practices, including practical tips and guidance on maintaining fiber length and deriving maximum advantages for demanding end applications. Part 2 will provide the same information for short-fiber materials.

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best practices

How to Stop Melt Leakage and Carriage Blow-Back

Follow these tips when you have melt leakage around the machine nozzle and sprue bushing or injection-carriage blow-back.

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