Product	conical twin screw and barrel for plastic extruder machine
Hardness after hardening and tempering	HB260°~320°
Nitrided Hardness	HV950°~1000°
Nitrided Depth	0.50~0.7mm
Nitrided Brittleness	above 2 stage
Surface Roughness	Ra0.4
Screw straightness	0.015mm
Hardess of surface chromium-plating after Nitriding	HV≥950HV
Chromium-plating Depth	0.05~0.10mm
ALLoy Depth	0.8~2.0mm
Alloy hardness	HRC56°~65°
Alloy	iron,nickel,tungsten,molybdenum
Types of screw	Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc.

Specification:

Raw Material:	The finished product processing requirements:
38CrMoAlA,SACM645,42CrMo	nitriding treatment
42CrMo,AISI 4140	hard chrome coated layer
4Cr5MoSiV1,SKD-61,SKD-11	Sparying bimetal alloy layer and nitriding treatment
HPM38,SI36,SUS440,9Cr18MoV	High frequency quenching
GHII3	Airset in high temperature

Screw Diameter	15/30,25/55,35/75,40/83,45/90-99,48/112-117,50/105-110,51/105-120,55/110-125,58/125,60/125-129,65/120-132,68/147,70/150,74/156-162,80/143-156-162,86/177,92/184-188,95/193,105/203
Drawing	We could design or make as customers' drawing
Bimetallic	We use different alloys as different Plastic raw material
Guarantee Time:	More than 12mouths

Scope of Application : WPC PVC.WPC PE,Super high molecular sheet,1/2 high Calcium

buckle,50-400 high Calcium pipe,50-300 high Calcium Profile,soft PVC sheet,XPS -PVCetc.

PP,PE,ABS,PVC,raw material ,pelletzing,pipe,profile,sheet etc.

Shipment &Delivery

Regarding the Normal Size ,We have stock all over the year.

The Reason For Choose DEMAJI SCREW:

*Primary Quality

*Reasonable Price

*Flexible Manufacturing Capacity

*On-time Delivery

*Ethical &Transparent Policies.

Packing:

Final Product:

Any question ,Feel free to contact with us .

Product Tags:

conical screw extruder

conical twin screw extruder

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