Exploring the: Pipe, Profile & Tubing Extrusion Zone



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Effect of the Screw Flight On Melt Temperature, Energy Use
So-called rules of thumb regarding the design of flight clearance and width do not consider the temperature effect, both from the point of view of melt temperature and energy efficiency.
Columns Published: 4/23/2014
Telltale Temperatures
Here's how to get a 'feel' for a screw design without actually seeing it. And how to use this information.
Columns Published: 12/29/2013
What About Melt Strength?
All extrusion processes depend to some degree on the melt strength of the polymer, and this property is generally a no-show on data sheets.
Columns Published: 5/28/2013
Get Smarter on Extruder Sizes
Processors tend to recommend a much larger extruder than what’s really necessary for the job and the capabilities of the downstream equipment.
Columns Published: 6/26/2012
Practical Processor
Your processing questions answered.
Columns Published: 7/27/2011
Dead Screw Talking
There's a lot you can learn by conducting a post-mortum examination of your screw.
Columns Published: 6/27/2011
How To Size & Calibrate Profile Parts
Doing it right is critical to maintaining profile dimensions.
Columns Published: 5/31/2011
Know the Three F’s Of Profile Tooling Design
Designing an extrusion profile and ultimately the die design and sizing equipment cannot be executed successfully without a full understanding of the customer’s quality expectations or specifications.
Columns Published: 3/26/2011
Processor Strategies - Royal Group Profile Maker Gives Environment The ‘Royal’ Treatment
When you’re already a leader in your industry, you might be tempted to simply stay the course and not worry about issues such as sustainability and carbon footprint.
Columns Published: 1/4/2011
Tooling: The Science of Profile Die Balancing
In our last column, we discussed the five things profile extruders need to know about profile die design—proper land length, land-length ratio, drawdown, considerations for sensitive materials, and decompression.
Columns Published: 8/1/2010

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