Twin-screw extruders | machinery feature
also has a bigger touch panel – 19” instead of 15”. All models of the ZSK series can be retrofi tted with a high-precision, high-resolution torque measurement unit.
Minimizing downtime When it comes to output, there’s more to consider than screw speed and torque of course. Entek continues to work on ways to enable compounders to minimize downtime when changing formulations. “It could be that for as much as 60% of the time, an extruder is between batches,” says the company’s extrusion technology manager Dean Elliott. “That’s why Entek has decided to concentrate more on faster changeovers than on increasing throughput during production by fi ve or ten percent. There’s a bigger opportunity for improvement. “We have customers who are changing colours sometimes as often as 10 or even 12 times a day. Many of them spend a lot of time purging the machine, and quite a lot of money on purging compounds, so one of our focuses is on reducing the amount of these materials that they have to use.” Sometimes it may be worthwhile for the compound maker to have a duplicate set of screws ready to go into the machine, so that
C.A.PICARD INTERNATIONAL PLATE TECHNOLOGY
cleaning can be done away from the line. “The challenge is to devise a changeover system
that is fast and foolproof, something that the machine operator can do without having to bring in a specialist,” says John Effmann, director of sales & marketing at Entek. In a recent trial, one customer has been able to change screws for a colour change in under 15 minutes. Entek is not ready to reveal what it is doing with its
The low-slung and clean-
looking ZSK 32 Mc18
Smart from Coperion
INDUSTRIAL SERVICES
EXTRUDER TECHNOLOGY
What we produce
Original C.A.PICARD screw elements, barrels, liners and shafts for almost each twin screw extruder from diameter 12 - 380 mm. C.A.PICARD process parts and services for your twin screw extruders.
Our additional performances • Rework- and wear-measurement-service for barrels and liners • Time- and cost-saving dismantling-service for all screw elements up to 120 mm diameter
Headquarters Carl Aug. Picard GmbH, 42857 Remscheid, Germany, Phone: +49 2191 893-0, E-Mail:
info@capicard.de USA
Hong Kong Japan
C.A. Picard Inc., Elyria, Ohio 44035, Phone: +1 440 366-5400, E-Mail:
info@capicard.com C.A. Picard Far East Ltd., Tai Po N.T., Phone: +852 2665-7868, E-Mail:
sales@capicard.com.hk C.A. Picard Japan Co., Ltd., Kawaguchi-City, Phone: +81 48 263-5017, E-Mail:
sales@capicard.co.jp
www.capicard.com
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