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Conical twin screw extruder

Function and application

SJSZ series conical twin screw extruder is specially adopted in the extrusion of PVC powder material, as well as PVC wood composite mateiral. Euipped with different moulds and auxiliary units, it can be used to produce various specifications of PVC pipe, profile, decoration panel, bar section and granule.

Barrel adopts cast aluminum heating rings for heating, and air blower system for cooling, which has the characteristics of equal heat transmission, convenient operation and maintenace. etc.

Screw core part adopts high-efliciency automatic circulation cooling system. Structure of screw can be custom-designed according to customer's different material formulation, in order to achieve best plasticizing effect.

Imported bearing, oil seal for reduction gearbox and distribution box. 38CrMoALA alloy steel for gear, with nitriding treatment.

Imported temperature controller for the controlling system, with accuracy ± 1C℃. Main motor adopts imported brand frequency controller or DC controller tor speed control. Electrical system is equipped with multi-malfunction alarm device, as well as over-current protection.

Technical parameters

Type SJSZ-51 SJSZ-55 SJSZ-65 SJSZ-80
Screw diameter 051/105mm 055/110mm 065/132mm 080/155mm
Screw speed 5-32r/min 5-32”min 5-34r/min 5-38r/mm
Screw turning 異型向外 異型向外 異型向外 異型向外
Main motor power 18.5kw 22kw 37kw 55kw
Heat power 15kw 18kw 24kw 36kw
Total power 35kw 42kw 65kw 97kw
Output 100-150kg/h 100-200kg/h 150-250kg/h 200-350kg/h
Center height 1000m 1000m 1000m 1000m