Rotating Tubing Dies Increase Wall Strength
New design of rotary inline or crosshead dies feature speeds to 1000 rpm.
Guill Tool has developed a new design for its high-production rotary models, both inline and crosshead style. The die offers a two-time increase in speed, with models running to 1000 rpm depending on the application. According to Guill, rotating the tooling in relation to the material flow increases the wall strength of an extrusion, thereby allowing a thinner wall with less material and the corresponding cost savings for the user. Typical applications for rotary heads include medical and multi-lumen tubing plus various high-end extrusions with interlocking layer or multiple striping requirements.
Features offered on these new rotating extrusion dies include counter-rotating tip and die, co-rotating tip and die, rotating die with conventional tip, rotating tip with conventional die, crosshead or inline, multi-layer, striping, certain profiles and optional quick-change cartridges that minimize cleaning downtime.
Guill maintains that using rotary dies also lets extrusion processors cut costs by making secondary processes unnecessary, improves the cosmetics of the end product by eliminating weld or parting lines, and reduces if not eliminates ovality.
Guill Tool offers its new high-speed rotary models as turnkey packages, complete with die cart, tools and all accessories for installation and maintenance.
Related Content
-
Formulating LLDPE/LDPE Blends For Abuse–Resistant Blown Film
A new study shows how the type and amount of LDPE in blends with LLDPE affect the processing and strength/toughness properties of blown film. Data are shown for both LDPE-rich and LLDPE-rich blends.
-
Specialty Purging Compounds Optimize Color and Material Changeovers
Selecting of the correct purging compound can speed up material and color changeover time and reduce scrap. You’ll even save on material.
-
Cooling the Feed Throat and Screw: How Much Water Do You Need?
It’s one of the biggest quandaries in extrusion, as there is little or nothing published to give operators some guidance. So let’s try to shed some light on this trial-and-error process.