Nitrided Conical Twin Screw Barrel With Accessories

Nitrided Conical Twin Screw Barrel With Accessories

Nitrided Conical Twin Screw Barrel With Accessories

Place of Origin: Zhejiang, China (Mainland)

Brand Name: Qunying

Model Number: conical twin screw barrel

Base material: 42CrMo4, 38CrMoAlA, 41CrAIMo7, 16MnCr5, 31CrMoV9, 34CrAINi7, etc

Surface treatment: Bimetallic, Nitrided, hard-facing, chrome-plated, etc

Surface hardness: 900-1000HV

Surface roughness: Ra0.4

Nitride brittleness: <= Grade 1

Surface straightness: 0.015mm

Bimetallic thickness: 1.5mm~3mm

Nitride depth: 0.5~0.8mm

Alloy powder: 4 main kinds of alloy powder avaliable

Size: as per customer's drawings

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Products Details

Packaging & Delivery

Packaging Details: PE Casting Film and Standard Wooden Case

Delivery Time: 25~30 Days after Deposit Payment

 

Technical Specification

Design Details

Screw
I TYPE:inside is water/oil cooling system
II TYPE:outside is oil cooling system
Barrel 
I TYPE:outside is air cooling system
II TYPE:out side is copper pipe around cooling system 

Accessories

Stop ring+washers to adjust the space between screw and barrel

Technical Specification

Material:High quality 38CrMoAlA
Process:Advanced nitriding & bimetallic process
Hardness After Hardening & Tempering:HB280-320
Nitrided Hardness:HV900-1000
Nitrided Case Depth:0.45-0.8mm
Nitrided Brittleness:Less than Grade 2
Surface Roughness:Ra 0.4
Screw Straightness:0.015mm
Alloy Hardness:HRC 50-65
Alloy Depth:0.8-2.0mm

MOQ

1 set (1 pair of screws and 1 pc barrel)

Type

Conical Twin Screw and Barrel

 

Brief application:

1. Application: PVC
2.Production output:130kg/h~150kh/h
3.Lifetime: 20,000 hours

4.Old order from: West Europe,East Europe,South America,South Africa,Middle 

 

Features: 
1.Accurate size 
2.High capacity design

3.Wear resisting material
4.Easy maintenance

 

Screw & barrel use material

Raw material

The finished product processing requirements

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 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.

 

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

 

Screw Process:

Blanking ->Punching ->Rough turning ->Hardening & Tempering ->Finish turning ->Rough Milling ->Finish Milling ->Make grooves for bimetallic ->Bimetallic by PTA ->Rough Grinding ->Rough polishing ->Make splines or Keys ->Nitriding ->Finish Grinding ->Polishing ->Packing & Delivery

Barrel Process:

Blanking ->Punching ->Rough turning ->Rough Boring ->Hardening&Tempering ->Finish Boring(0.4-0.8mm) ->Make grooves for bimetallic ->Bimetallic by PTA ->Finish Grinding ->Finish turning ->Milling the feeding hole & exhausting holes ->Nitriding ->Make other small holes,thermometer hole,location hole->Grinding surface of feeding hole & exhausting hole ->Polishing ->Packing & Delivery

 

FAQ

1.What is Qunying-Machinery feature goods?

Qunying are leader Producer in:

-HDPE/LDPE/LLDPE blowing film extruder single screw and barrel:different design to meet client request on production

-PP/PE granulation or recycling screw barrel:New geometry design according experience modify.

-PVC pipe/profile/componds/sheet/foam board:Professional Produce Experiece on both China & Europe extrusion machine.

-HDPE/PPR pipe high capacity single screw barrel:Big L/D design,high speed,high capacity.

-Haitian,ChenHsong brand machine injection screw barrel supplier in China

2.Qunyingmain market

-Europe / Middle East / South America / South Africa.

3.Any oversea service or not?

-Oversea service is available if client request. Buyer afford cost.

 

Company Information

ZHOUSHAN QUNYING PLASTIC MACHINERY MANUFACTORY is a professional manufacturer of extruder screw barrel, injection screw barrel, parallel twin screw barrel, conical twin screw barrel, rubber screw barrel, bimetallic screw barrel and other various types of screw barrel. At present, Qunying SCREW have a professional design experienced production team. We are located in east of Zhoushan city, zhejiang province, close to Shanghai, Ningbo port.

ZHOUSHAN QUNYING SCREW has strong technical force, equipped with advanced equipment and strict tests. Mostly products materials are selected from high quality powder alloy steel with the best materials to exploit market and most new materials, add reasonable process design through tempering, molding, qualitative, nitriding, fine grinding, polishing process of refining. So that the screw barrel has super-hard resistance wear, corrosion resistance, fracture resistance. In order to meet the needs of our customers, we company also provides product design, surveying and mapping, sample processing and repair manufacturing business. All of our products comply with international quality standards (ISO9001-2000). Since the establishment of the company, we are getting greatly appreciated and praise from new and old customers around the world. We will insist on the principle of quality, honest to customers, and provide our customers new information of the products and offer good quality products with good price.

Till now, our screw barrels have been exported to more than 40 countries all over the world, like USA, India, South Africa, Turkey, Russia and so on. We sincerely welcome customers to negotiate consultation and exchanges guidance. Your satisfaction is our eternal pursue and goal.

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