Extrusion
Tooling: More Is Better…Layers, That Is
I can’t count the number of times I have been asked why I recommend a blown film line with 5+ layers to make 2- or 3-layer products.
Read MoreExtrusion: Reducing Energy, Part II: ‘Adiabatic’ Extrusion
The term adiabatic extrusion was very popular in the ’60s and ’70s, but has seemingly disappeared from the processing terminology of today.
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Energy Miser: Plug Costly Compressed-Air Leaks
Last month we introduced the idea that compressed-air usage is one of the first places any manufacturer should look to reduce energy cost.
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Tips and Techniques: Boosting Extrusion Productivity - Part III of III: Trim Your Material & Energy Costs
Material cost is the largest cost factor in most extruded commodity products, so processors should be motivated to reduce these expenses.
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Extrusion: Run Your Chevy Volt with Extruder Energy Savings—Part I
The electricity saved on a large extrusion line could power a number of Chevrolet Volts.
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Compressed Air Isn’t Free!
Compressed air is a convenient and often essential utility, but it is very expensive to produce, and most of the energy used to compress air is turned into heat and then lost to the system and environment.
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Extrusion: Multi-Pass Tubing Tank Offers Higher Quality, Resin Savings
A new cooling and sizing tank for extruded tubing reportedly allows processors to reduce wall-thickness tolerances and cut material use dramatically while increasing productivity and reducing floorspace requirements.
Read MoreExtrusion: Start Up and Shut Down Properly
A key goal during startup and shutdown of the extruder is to prevent degradation of the polymer left in the extruder and downstream components such as screen changers, adapters, and dies.
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EXTRUSION & COMPOUNDING: Five-Layer Film Structures Set to Supplant Three Layers?
In blown film, equipment and material suppliers have come together to push five-layer technology into non-barrier applications previously held by three-layer films.
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K 2010 Preview, Extrusion More…Layers, Output & Quality
In most segments of extrusion technology, the word at K 2010 is more.
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