HDPE Pipe Extrusion Line
Single Screw Extruder
Siemens PLC Control System
High Efficiency Screw / Barrier Zone
Channel depth changes with plasticizing precess, plasticized material overflow into liquid channel through the gap between screw dam flight and barrel.
Melt pressure is lower, melt temperature increasing slower
Shearing & Mixing Zone
Shearing and mixing zone:
Highly mixing of residual solid scraps and melt material
■ Extrusion head with spiral structure, make sure the melt in side distributed evenly so as to achieve best plasticization.
■ Calibrator design with water ring which is easy to clean, to achieve bettercooling and then fast forming
Advanced pipe line layout design and adjustable spray angle for better cooling effect, dense pipe line in the first zone for fast cooling.
Accurate control for calibrator's
Pressure Protection System
Automatically and manually adjust
vacuum tank internal pressure
Water Level Control
Point-contact floating ball for
water level control.
Puissant Precool Ring
Puissant precool ring set in the
entrance of vacuum tank, brings
good cooling effect when pipes
move into the vacuum tank.
S.S. Semicircle Sliding Plate
Pipe supporting adopts S.S.
semicircle sliding plate, high
Gas, Water Separator
Avoid air flow back pressure
affecting other pipelines.
Turbine Screw Lifter
4 directions convenient
adjustment, turbine lifter
adjustment for up & down,
pulley adjustment for left & right.
Temperature Control Drainage
Danfoss expansion valve
Water Inflow control
Both automatically and manually
for appropriate water level.
For the different pipe size and different speed requirement, Grace developed kinds of haul-off unit accordingly.
Optional to choose multi-caterpillar haul-off unit with wide speed range.
Each caterpillar is controlled
by independent motor,
optional servo motor guarantee
Different quantity caterpillar
shift, high friction rubber.
Cutter is synrhonizedly controlled by servomotor to make sure precise cutting length.
40 Type Single/Double Station Coiler
63 Type Single/Double Station Coiler
110 Type Single Station Coiler
Grace offers different solutions according to
different required speed.
Siements PLC automatic operation mode.