Page 52 - Plastics News September 2019

PRODUCT NEWS

Wittman Battenfeld to introduce Coperion K-Tron to introduce
COMBIMOULD version at K new K3 line of vibratory feeders

2019
operion K-Tron is to introduce its completely new
CK3 line of vibratory feeders for dry bulk solids
LWWPDQ %DWWHQIHOG ZLOO SUHVHQW IRU WKH ÀUVW WLPH WKH which will be exhibited at K 2019, Düsseldorf, Germany
:COMBIMOULD version of its new VPower vertical on their booth 14B19 in Hall 14. The innovative new
machine series at K 2019 in hall 15, booth C06. The new feeder design features a unique, patent-pending drive
vertical machine model designed in the sizes of 120 and system combined with an advanced control package.
160 tons is also available in the sizes of 220 and 300 tons The new K3 vibratory
with rotary table diameters of 1300, 1600 and 2000 mm. feeder is able to achieve
In addition to extending the machine series upwards, the accuracies averaging35%
company has worked on the development of the multi-
component version of the better over traditional
VPower. The drive unit vibratory technologies.
of the VPower provides The typical feeder
the basic prerequisites package consists of a feed
for operation with two hopper, vibratory tray and
aggregates. In the standard vibratory drive mounted
FRQÀJXUDWLRQ WKH VHFRQG on a weighing system
hydraulic system is used featuring patented, high
for ejection during the accuracy Smart Force
injection molding cycle. Transducer weighing
But in multi-component technology and combined
applications, it powers with SmartConnex controls. This revolutionary new
the second injection unit, generation of Coperion K-Tron loss-in-weight vibratory
so that both injection feeders offers gentle handling of the bulk material,
units can always carry out injection and metering higher accuracy and faster product changeover,
simultaneously. If the machine has been prepared for resulting in less product waste, less downtime and
2-component operation, it can either be ordered as a better end product quality as well as improved
2-component injection molding machine ex works, or sustainability. Feed rates for the new vibratory feeders
range from as low as 1 dm3/h (0.035 ft3/h) up to
EH UHWURÀWWHG ZLWK D VHFRQG SODVWLFL]LQJ XQLW ODWHU 7KH
VPower distinguishes itself from its predecessor models 8500 dm3/h (300 ft3/h). The advanced control system
above all by its innovative 2-tie-bar rotary table concept, and feeder electronics include internal sensors which
which provides optimal accessibility thanks to dispensing measure acceleration, displacement, load, current and
with the middle tie-bar. The tie-bar-less rotation center temperature at rates of up to 25,000 times per second
leaves ample space under the rotary table for cooling .The key to achieving high accuracy is the ability to
water, hydraulic oil, compressed air and power supply deliver a continuous, even product dischargewith
connections. The generously dimensioned rotary tables are minimal pulsations. The new K3 vibratory drive is
combined with a 2-tie-bar portal clamping unit equipped able to do its completely new shock absorber design.
with two travel cylinders on the outside for fast opening Conventional vibratory feeders use rubber or spring
and closing. The rotary tables are available with servo- shock absorbers, which allow movement of the drive in
electric drives for short rotation times and highly accurate all directions, resulting in rotational motion. In contrast
positioning and are laid out for both oscillating 2-station to these conventional shock absorbers, the new K3
operation and rotary 2-, 3- or 4-station operation. The OLQH XVHV D XQLTXH ÁH[LEOH SHQGXOXP WHFKQRORJ\ ZKLFK
UNIFORCE compensation plate system between the provides shock absorption only parallel to the desired
horizontal beams of the clamping unit and the mold direction of motion, eliminating rotational movement.
clamping area ensures even and gentle force transmission 7KLV SDUDOOHO PRWLRQ HQVXUHV DQ HYHQ PDWHULDO ÁRZ RI
to the mold. the product along the entire length of the tray.

Plastics News September 2019 5254