WEB EXCLUSIVE A combination of software and a new bus connection for faster data transfer is said to shorten the time it takes to reach automatic gauge control after product changeovers in blown film. According to Windmoeller & Hoelscher in Germany (U.S. office in Lincoln, R.I.), this system typically cuts at least 10 minutes out of changeover time, meaning more production and less waste material at each change. The bus connection, called Profile Booster, speeds the rotation of the Kundig gauging head around the bubble to twice normal speed. It starts data acquisition for the new product wherever the thickness gauge happens to be, instead of requiring it gauge to go to the zero position to start the changeover. It also automatically tests the functioning of heater cartridges in an W&H automatic die or air ring. Profile Booster is an option on new W&H blown film lines and can be retrofitted to older W&H lines. W&H has made 15 Profile Booster retrofits in the U.S. since the option was introduced two years ago. (401) 333-2770 * www.whcorp.com
Windmoeller & Hoelscher Corp
23 New England Way Lincoln, RI 02865
Phone (401) 333-2770 Fax (401) 333-6491
Editor PickHow to Collect and Interpret Process Data in Extrusion, Part 2
In this second of three installments, the focus is on the crucial element of melt temperature.