Rubber Processing Machine Screw and Barrel for Plastic Extrusion Barrel Screw

• Customization: Available
• After-sales Service: 12 Month
• Warranty: 12 Month
• Model NO.: 12/18
• Product Name: Screw Barrel
• Base Material: 38crmoaia(Sacm645) /SKD-61(Special Tool Steel)
• Guarantee: 12 Months
• Package: Wooden Case
• Appliance: PVC, ABS, PP, PE, PA, PC, EVA, PS, POM, etc
• Main Alloy Materials: 1.Ni-Based Alloy/Deloro Alloy 2.Tungsten Carbide/W
• The Application of Machinery: Granulation Machine/Extruder/ Injection Machine
• Screw Type: Customers Different Demands
• Screw Diameter: 20mm-300mm
• Bimetallic Alloy Material: Ni-Based Alloy Fe-Based Alloy Co-Based Alloy Nico-
• Processing Range: 30g-40000g
• L/D: 4/35
• Tempering Hardness: Hv260-280
• Nitrided Hardness: 900-1020hv
• Nitriding Brittleness: 2 Grade
• Transport Package: Wooden Case
• Specification: CE, SGS
• Trademark: Sino-Tech
• Origin: Jiangsu, China
• HS Code: 7415339000
• Production Capacity: 1000sets/Year

Product Description

Rubber Processing Machine Screw and Barrel for Plastic Extrusion Barrel Screw

Product Parameters

Main Base materials	1.38CrMoAIA(SACM645)	Main Alloy Materials	1.Ni-based alloy/Deloro alloy
	2.SKD-61(Special Tool Steel)		2.Tungsten carbide/Wolfram carbide
	3.42CrMo(Ultrahigh Strength Steel)		3.NiCo-based alloy
	4.DC53(Cold WorkDie Steel)		4.Fe-based alloy
	5.W6Mo5Cr4V2(high-Speed Tool Steel)		5.Co-based alloy
Processing Technics	1.Heating treatment	Technical parameters	Nitriding layer depth:0.5-0.8mm
	2.Quenching		Nitrided hardness:900-1000HV
	3.Nitriding treatment		Bimetallic layer depth:3mm
	4.Bimetallic alloy welding for screw		Bimetallic hardness:57~69HRC
	5.Bimetallic alloy centrifugal casting for barrel		Hard-chrome plating hardness after nitriding:≥950HV
	6.Hard-chrome electroplating		Chrome-plating layer depth:0.03-0.09mm
	Linearity of screw:0.015mm		Urface roughness:Ra 0.4
Mini Single Screw	Diameter from 16mm,18mm,20mm to 40mm	Common Single Screw	45mm,50mm,55mm,60mm,70mm,75mm,80mm, 85mm,90mm,100mm,110mm-220mm

Production Design Plan

Screw Design

Aiming at different plastic property the screw can be chosen from: Ordinary,gradual,mutant,pinned,separating and exhausting types

The compression ratio of screw can be designed according to different raw materials and requirements of clients.

Application

01 Single Screw and Barrel for Extruder

Scew Diameter:φ20mm-φ300mm L/D:15/55
Tempering hardness: 240~280HV
Nitrided Hardness: 900-1020HV
Depth of nitriding: φ0.5mm-φ0.8mm
Nitriding brittleness: 2 grade
Surface roughness: Ra 0.4um
Straightness of the screw/barrel: 0.015mm

02 Screw and Barrel for Granulation Machine

Material:38CrMoAIA
Tempering hardness: HV260-280
Diameter:φ15mm-φ300mm
L/D:4/35
Nitrided Hardness: HV900-1000
Straightness of the screw/barrel:0.015mm/m
Inside&outside diameter tolerance:≤0.02mm Circular run-out:≤0.04mm
Screw length tolerance:≤0.03mm
Key&spine tolerance grade:Grade 7

03 Screw and Barrel for Injection Molding Machine

Specifications:diameter:14mm-250mm
Depth of nitriding: 0.5mm-0.8mm
Hardness of nitriding: HV850°-1000°
Straightness:0.015mm/1000mm
Chrome thickness:0.05mm
Alloy depth: 1.5-3mm
Scope of application: ordinary plastic, PR PE, ABS, AS, PS, PC, PET, Bakelite.
Processing range: shot weight 30g-40000g, mould clamping force35-32000 tons, screw and barrel can be customized reasonable price,prompt delivery, quality service

Amount of injection(g)	screw diameter x length(mm)	barrel diameter x length(mm)
30-90	30x900	85x860
60-125	35x910	85x860
100-150	38x935	95x900
125-160	40x980	95x910
125-300	42x1030	105x8880
250-400	45x1210	115x1165
300-500	50x1300	125x1260
450-600	55x1335	130x1320
500-700	56x1350	130x1350
500-700	60x1380	140X1350
650-800	65x1415	150x1420
700-1000	70X1790	160x1685
800-1250	75x1825	170x1725
1000-1500	80x2000	180X1805
1250-2000	85x2300	190x1900
2000-3000	90x2700	210x2000
2500-5000	100x2600	230x2405
3000-6000	110x2600	256x2590
4000-10000	120x2800	256x2800
6000-8000	130x3010	256x2970
8000-10000	145x3010	256x3200
10000-15000	160x3500	270x3200
13000-25000	170x3415	317x3380

04.Screw and Barrel for Rubber Machine

1.Rubber cold feed pinned screw and barrel
Screw Diameter: φ60mm- φ250mm L/D: 12/18
2.Rubber cold feeding screw and barrel
Screw Diameter: 45mm-300mm L/D: 8/20
3.Rubber hot feeding screw and barrel
Screw Diameter: 45mm-250mm L/D: 4/6mm

Screw type: In order to get good plasticization to different rubber material,we could supply different screw designs.It will promote products quality and efficient,and mostly depends on customers different demands.

05 Bimetallic Screw and Barrel

Advantages of bimetallic screw and barrel:
Wear-resisting,extending lifetime of screw and barrel.especially aiming at recycle material,raw material compound high percents calcium powder,30% glass fiber,the effects are perfect.Different bimetallic alloy materials are available for different raw material.

Specification:
Screw diameter:	φ10mm-φ350mm
Screw maximal length:	8000mm
Barrel inner diameter:	φ10mm-φ350mm
Barrel maximal length:	7000mm
Bimetallic Alloy Material:	Ni-based alloy Fe-based alloy Co-based alloy NiCo-based alloy Tungsten carbide

Production Workshop

 

Company Profile

After-Sale Service

1.Providing on the spot technical assistance in installation, commissioning and training
2.Filing in detail customer's information
3.Providing long-term maintenance service and spare parts
4.Giving technical support to customer for developing new product
5.Providing free maintenance for a year

FAQ

Q1:What about the payment terms?
A1:Always 30% down payment as deposit,70% balance pay before shipping.
 

Q2:What about the payment way?
A2:TT,L/C at sight or Alibaba trade assurance.
 

Q3:If you can extend the guarantee time?
A3:Yes.Our guarantee time is 24 months.Double times of other factory because we have strong confidence for our product.
 

Q4:If you will send engineer coming to our factory to install and test the machines?
A4:Yes,Every set of machine we will send professional engineer to your factory and help installation and test the machines for you.
 

Q5:If you have CE,SGS,ISO certificate?
A5:Yes,except these,if you also need other certificates,we also can help to apply.
 

Q6:If we buy your machines, can you offer us wear-out spare pats?
A6:Yes,We provide our high quality machine 2 years' guarantee,and we will also offer you 2 years wear-out spare parts for free. Once your machines broken or doesn't work within 2 years and you can't solve it, firstly, we will try to help you to find problems from your words description by phone or other communication tools. Secondly, if the phone solutions still not work, our engineers will go to your factory to solve it. Meanwhile, they will teach you the related experiences for fixing.
 

Q7:The voltage,if you can design according to our request?
A7:Yes.
 

Q8:If you support Alibaba trade assurance pay?
A8:Yes.100% support.

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