PT Blog

By: Jim Frankland 2/28/2020

Try This Lower-Cost Purging Method

Try This Lower-Cost Purging Method

Purging is a necessary task for extrusion processors that change polymers for different production runs. There are many approaches to purging, and some are better than others. For extrusion processors that run different materials, the biggest time and polymer savings may not be in some magical purging technique or compound but in the production-planning process.

Ideally, to reduce purging time and cost, processing jobs should be run in the order of increasing viscosity based on their normal range of processing temperatures. Of course, that’s not always practical, as production runs tend to be to be scheduled when orders are received or as requested. That said, when purging can be done this way it can provide an enormous reduction in waste by simply purging one polymer with another.

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Molding 2020 Puts Process Improvement On the Agenda

Every presentation at Molding 2020 will give you some action items you can implement at your plant when you return from two-and-a-half-days of learning in Chicago (March 17-19; Westin Chicago, Lombard, Ill.). Many of these will come in discussion of new technologies—either a wholly new gizmo or an improvement of an existing gadget that you didn’t know about.

Other presentations will wring greater productivity from the process itself, giving attendees new ways to tackle their daily tasks. On that front, we’ve assembled seven presentations into the afternoon of the first day (Tuesday, March 17). After filling your stomach and rolodex at our networking lunch, fill your molding mind with these productivity propelling presentations.

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Still Time to Submit Papers for Extrusion 2020

The clock is ticking if you want to present and the industry’s leading conference devoted to all kinds of extrusion.

For the second straight year, Plastics Technology is bringing the world of extrusion to Rosemont, Ill. The dates are October 13-15 for The Extrusion 2020 Conference. During this two-and-a-half-day event, business owners, plant managers, process engineers and manufacturing personnel will be brought up to speed on technology developments and best practices impacting all types of extrusion operations.

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Contraction Slows Among Processors

Gardner’s Plastics Processing Index increased marginally to 46.7 in December, indicating a slowing contraction in plastics processing business activity. (Index readings above 50 indicate expanding activity while values below 50 indicate contracting activity. The farther away a reading is from 50 the greater the change in activity compared with the prior month.)

An analysis of the underlying components of the Index for the month found that new orders, production and exports propped up the Index, which is calculated as the average of its components. The Index was bogged down by employment, supplier deliveries and backlogs. All components for the month recorded contractionary activity levels.

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By: Robert Gattshall 2/25/2020

Don’t Get Caught in the Flash-and-Shorts Chase

Don’t Get Caught in the Flash-and-Shorts Chase

The technology available today for injection molding is very impressive, providing molders with tools to increase part complexity and improve the quality and accuracy of production. Yet even with these advances there are still two obstacles that molders have to deal with. 

 

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