Extrusion
The Importance of Viscosity in Melting
The calculations required to determine the right melt temperature for each polymer are complicated. Knowing the power-law coefficient and the consistency index of the polymer you run might prove useful.
Read MoreHow Screw Design Can Mitigate Gels in PE Films
Gels are a constant issue in production of PE films using single-screw extruders. Gels can create quality issues via optical flaws, and they can cause the film to break on blown or cast film lines. There are numerous origins for gels, and the mitigation method depends on knowing the gel type.
Read MoreTeel Straps on Yellow Belt to Cut Scrap on Big Cores
Investments in a lean, continuous process pay off for this Wisconsin processor.
Read MoreSuppliers Team to Run Tubing, 3D Filament at Medical Show
At MD&M/Plastec West show in Anaheim, Conair to run extrusion line with technology partners Davis Standard and Zumbach Electronics.
Read MoreMedical Extruders Are Direct Driven
No gearbox or belt drive eliminates gear oil and airborne dust particles from belts.
Read MoreLarge Die Cart with Crosshead
Can be assembled and disassembled easily. Stand also serves as cleaning station.
Read MoreSingle- and Twin-Screw Lines for PVC and Polyolefin Pipes
New line produces pipe in a range of configurations for construction, other markets.
Read MoreHigh-Output Air Ring for Heavy-Duty Bags
Air ring exceeds output rates of 1320 lb/hr and targets bags for form-fill-seal applications.
Read MoreIs 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.
Read MoreNew HDPE Pipe Processor Goes ‘QuickSwitch’ Route
Encoma of Canada installs KraussMaffei’s first-ever QuickSwitch line in North American to maximize pipe production flexibility, with more capacity on the way.
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