bimetallic Conical twin screw and barrel for plastic scrap

twin screw and barrel for plastic scrap 1Material:alloy steel of high quality 2Processed to drawing or buye's request

bimetallic Conical twin screw and barrel for plastic scrap

Specification:

35/76, 45/90, 45/100, 50/105, 51/105, 55/110, 55/120,58/124, 60/125, 65/120, 65/132, 68/143, 70/135,70/140, 75/150, 80/143, 80/156, 92/188, 95/191, 105/191, 100/200

The above are standard specifications , The compression ratio of screws can be designed according to different products and ingredients. 

Material of barrel

raw material

The finished product processing requirements

38CrMoAlA,SACM645	Nitriding treatment
Cr12MoV,Cr12	Alloy steel
38CrMoAlA,SACM645, 40Cr,AISI4140,42CrMo	Bimetallic of the inner hole centrifugal casting
GHII3	nature hard after high temperature

Material of screw

raw material	The finished product processing requirements
38CrMoAlA,SACM645,42CrMo	Nitriding treatment
42CrMo,AISI 4140	Hard chrome coated layer
4Cr5MoSiV1,SKD-61,SKD-11	Spraying bimetal alloy layer and nitriding treatment
HPM38,SI36,SUS440,9Cr18MoV	high frequency quenching
GHII3	nature hard after high temperature

For Pipe Extrusion

Techniccal parameter

model	motor power(kw)	screw dia.(mm)	screw rotation speed(rpm)	PVCcapacity(kg/h)
DMJ45/90	15	45	30	100
DMJ50/105	18.5	50	30	120
DMJ55/110	22	55	30	150
DMJ65/132	37	65	30	250
DMJ80/156	55	80	25	450
DMJ92/188	110	92	25	800

Technical Parameters

SCREW

1) Nitride Depth: 0.55-0.7mm

2) Nitride Hardness: 850-960HV

3) Surface Roughness: Ra≤0.8um

4) Screw Straightness: 0.015mm

5) Bimetallic Hardness: HRC50-62

6) Bimetallic Depth: 1.5-2.0mm

BARREL

1) Nitride Depth: 0.55-0.7mm

2) Nitride Hardness: 960-1020HV

3) Surface Roughness: Ra≤1.6um

4) Bimetallic Hardness: HRC50-65

5) Bimetallic Depth: 1.5-2.0mm