EuroWire November 2016

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QSE technology from
Davis-Standard
▲ ▲ The new QSE technology on display from Davis-Standard
A 3.5" (90mm) extruder exhibited by
Davis-Standard during the K exhibition
showcased engineering updates such as a
new extruder frame, innovative feedscrew
design and quick screw exchange (QSE)
technology.
This specific extruder is designed for
high temperature processes up to 300ºC
and those requiring speciality copolymer
resins for film, coating, adhesion and
moulding applications.
The standardised extruder frame is
built with additional space to simplify
maintenance and improve heater
access. Computer-designed stainless
steel feedscrews provide reliable
melt homogeneity for resins like acid
copolymers, which improves bond
performance to materials such as
aluminium foil.
Other extruder advantages include
electrical barrel heating with air-cooled
blowers for each zone; temperature-
controlled water cooling for gearbox
oil cooler, water cooled screw and feed
section; and fixed die support and
thermal expansion capability.
The QSE adapter enables processors
to easily change the screw without
dismantling the melt pipes, feed block
and other components.
An extraction tool is included to manually
change the breaker plate melt-filtering
inserts.
The adapter is engineered with an
electrical pressure gauge, manual or
motorised pressure spindle, double
thermocouple for every heating zone, and
breaker plate with two-screen pack.
Davis-Standard – USA
Website:
Corporatenews
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