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Plastic PVC Conical Twin Screw Extruder for Pipe Profile Sheet
Extrusion pvc pipe molding machine
Plastic PVC Conical Twin Screw Extruder Application Area
1. The Twin Screw Extruder are mainly used for the processing of
the soft/hard PVC pipe, PVC foaming board, PVC sheet, PVC Profile,
PVC Trunk, PVC Roof tile, PVC Pelletizing and other polyolefin
products, especially the direct processing of the plastic/powder
materials.
2. Twin Screw Extruder is applicant for PVC powder material, with
different mould and downstream equipment; the plastic extruder can
produce pipe, profile, plate&sheet, and pelletizing.
3. The extruder features in good plastic extrusion, good
plasticization, even melting, high output capacity, wide
application and reliable stability, specially designed gearbox and
distributor and reinforced thrust bearing realize large
transmission torque and long operation time.
4. Electrical control system: Siemens PLC/PCC auto control system
or RKC temperature control, and ABB Invert/transducer, Siemens
contactor, and several alarm system
Characteristics and spare parts of the extrusion machine
The gearbox
1. New-style project of parallel three-axises driving makes the
convey axis, convey chain, decelerate and the torque assignment get
together, which keep it compact, and the key bearings are imported.
2. The select material of drive components is dainty, including
super intension alloy cementiteing steel, cementiting and
quenching, gear grinding technics, strengthening of tooth face. So
they can ensure high torque, high precision and low noise.
3. Soakage and coerce lubrication integrate smoothly. When the
hydraulic circuit is over pressed, it alarms.
The feeding system
Metering feeders are equipped with single screw, twin screw, hollow
screw, forced-feeding, side feeding, liquid-adding
system,etc.
Screw
1. The screw elements and then kneading blocks are designed
accurately, by precise processed, agile combination, with
interchangeability, which can fulfill efficient self-cleaning,
transmission, compounding, pressure-forming.
2. The screw material is made of high tool steel 38CrMoALA or
W6Mo5Cr4V2 by special heat-treament.
The barrel
1. Eurostyle rectangle barrel, reflux refrigeration is optimized
and disposed, which makes temperature difference in C areas
smaller.
2. According to the material and special techinics demands, the
material of cylinder can use high quality nitrided steel, corrosion
proof or antifriction with corresponding process.
The heater
Innovated design of heater tightened style insures high efficiency
of heat transfer and high longervity of heater.
Main Technical Parameters
Specification/Model | SJSZ45/90 | SJSZ51/105 | SJSZ65/132 | SJSZ80/156 | SJSZ92/188 |
Screw diameter | 45/90 | 51/105 | 65/132 | 80/156 | 92/188 |
Ratitional speed of screw | 1-45rpm | 1-45.5rpm | 1-38rpm | 1-36.9rpm | 1-34.5rpm |
Main motor power | 15kw | 22kw | 37kw | 55kw | 110kw |
Barrel heating power | 9.6kw | 11.5kw | 24kw | 36kw | 88kw |
Production capacity | 70kg/h | 120kg/h | 250kg/h | 360kg/h | 1000kg/h |
Net weight | 2500kg | 3000kg | 4000kg | 5000kg | 5500kg |
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