Conical Twin Screw & Barrel

Conical Twin Screw & Barrel

Conical Twin Screw & Barrel

1.Material: 38CrMoAIA

Nitriding treatment, Surface hardness: HV≥900

Nitriding depth: 0.5-0.8mm

2.Base material: 38 CrMoAIA, Special alloy is welded on the flight of screw, prolong life of screw.

3.Easy wearing parts of barrel made from anti-wear alloy can be improved abrasion performance.

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产品详细

For good plasticizing effect, we have different design of screw barrel to meet customer's demand.

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.

 

Refer to the following specification and small part be designed according to the compression ratio: Φ15/Φ30, Φ25/Φ55, Φ35/Φ75, Φ40/Φ83, Φ45/Φ90-99, Φ48/Φ112-117, Φ50/Φ105-110, Φ51/Φ105-120, Φ55/Φ110-125, Φ58/Φ125, Φ60/Φ125-129, Φ65/Φ120-132, Φ68/Φ147, Φ70/Φ150, Φ74/Φ156-162, Φ80/Φ143-156-162, Φ86/Φ177, Φ92/Φ184-188, Φ95/Φ193, Φ105/Φ203

 

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-PVC etc.

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

 

Screw & barrel use material

Raw material

The finished product processing requirments

38CrMoAIA, SACM645

Nitriding treatment

Cr12MoV, Cr12

Alloy steel

38CrMoAIA, SACM645, 40Cr, AISI4140, 42CrMo

Bimetallic of the inner hole centrifugal casting

GHII3

Nature hard after high temperature

 

For Pipe (WPC) Extrusion

Technical parameter

Model

Motor power
(kw)

Screw dia.
(mm)

Screw rotation speed
(rpm)

PVC production
(kg/h)

QY45/90

15

45/90

34.7

60-80

QY50/105

18.5

51/105

34.7

80-100

QY55/110

22

55/110

34.7

120

QY65/132

30-37

65/132

34.7

150-250

QY80/156

55

80/156

34.7

250-400

QY92/188

110-132

92/188

34.7

500-700

 

For Pipe Extrusion

Technical parameter

Model

Motor power
(kw)

Screw dia.
(mm)

Screw rotation speed
(rpm)

PVC production
(kg/h)

QY45/90

15

20

45

100

QY50/105

18.5

45/90

45

120

QY55/110

22

51/105

45

150

QY65/132

37

55/110

45

250

QY80/156

55

45

34.7

450

QY92/188

110

150

34.7

800

 

Material of screw

Raw material

The finished product processing requirments

38CrMoAIA, 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

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