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8000mm Extruder Screws

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8000mm Extruder Screws

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Brand Name : OEM

Place of Origin : China

MOQ : 1 pc

Payment Terms : T/T, Western Union, Paypal

Supply Ability : 100pcs per day

Delivery Time : 15~25 days

Packaging Details : Wooden Carton

Product Name : Precision Cnc Machining OEM Custom Stainless Steel Barrier Screw And Barrel

Key Words : Pipe Extrusion Screw and Barrel

Application machine : for extruder machine

Surface treatment : bimetallic/nitride

Diameter : Φ15mm-Φ360mm

Length : 8000mm

Nitrided hardness : >950HV

Material : 38CrMoAIA, 42CrMo, SKD61...

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Precision Cnc Machining OEM Custom Stainless Steel Barrier Screw And Barrel


Precison CNC machining Extrusion screw and barrel are widely used in the plastic processing industry; they can used in the thermo-plasticit , thermo-set plastic , rubber, elastomer- plastic. We can design targeted screw and barrel according to the different resin grades and formula feature to meet the production and quality demand. They are applied in the plastic extrusion equipments as profile, tube, profile bar, rubber tire, conveyor belt, thin film, sheet, board, wire rod, granulation.


Main parameters of screw and barrel:

Main Base materials
1.38CrMoAlA (SACM645)
2. SKD-61 (Special Tool Steel)
3. 42CrMo (Ultrahigh StrengthSteel)
4. DC53 (Cold WorkDie Steel)
5. W6Mo5Cr4V2
Main Alloy Materials
1. Ni-based alloy/Deloro alloy
2. Tungsten carbide/Wolfram carbide
3. NiCo-based alloy
4. Fe-based alloy
5. Co-based alloy
Processing Technics
(High-SpeedToolSteel);1. Heat treatment
2. Quenching;
3. Nitriding treatment
4. Bimetallic alloy welding for screw
5. Bimetallic alloy centrifugal casting for barrel
6. Hard-chrome electroplating;
7. Linearity of screw:0.015mm
Technical parameters
Nitriding layer depth:0.5-0.8mm;
Surface roughness:Ra 0.4
Nitrided hardness:900-1000HV
Bimetallic layer depth:3 mm;
Bimetallic hardness:57~69HRC
Hard-chrome plating hardness after nitriding:≥950HV
Chrome-plating layer depth:0.03-0.09mm;
Surface roughness:Ra 0.4

Remarks :We can design and manufacture various kinds of screw barrel according to the customers requirement.


Application
1. Parallel twin screw and barrel has the advantage of lower rotation speed, smaller shear stress between the small screw
2. Good plasticization, high productivity, small shear force, stable pressure , less wear and tear and low cost.
3. Parallel twin-screw and barrel is widely used in PVC products processing, especially for the production of PVC products with the output over 350Kg / h, because the parallel twin-screw and barrel costs less than conical twin-screw and barrel while it has more mature technology.
4. Parallel twin-screw and barrel is successfully applied in PVC plate, pipe, profile, pellet and mould, at the same time, it solved the technical problem of low foaming, high foaming, high filling, wear and corrosion.

Packing:

1. Be brushed anti-corrosive oil on screw barrel.
2. Packed with film.
3. Packed in the wooden carton.

Advantage:

1.38 crmoala has the very high nitriding quality performance and mechanical properties

2.high temperature under the work of up to 350 °

3.has good heat resistance, corrosion resistance, abrasion resistance and high fatigue strength, surface hardness of nitrided HV900-1000, nitriding depth of 0.5 0.8 mm, surface finish Ra0.4 um,

4.suitable for general engineering material ABS, PP, PS, PE, PA, PP, HIPS, TPR, EVA, PPS, TPU, PPO, soft PVC without glass fiber, etc



Packing:

1. Be brushed anti-corrosive oil on screw barrel.
2. Packed with film.
3. Packed in the wooden carton.


Q&A


Q: What information should be provided when inquiry price of screw and barrel?

  1. Conical / parallel twin screw barrel
    1. Extruder brand
    2. Model.
      eg. Jwell 65/132, LSE80/156, KMD114/36, BEX90/22 etc.
  2. Injection machine screw barrel
    1. Injection machine model
    2. Screw diameter
    3. Type A, B or C
  3. Single extruder screw barrel
    1. Plastic products
    2. Screw diameter & L/D

Q: What information need provided when confirm production drawing?

  1. gearbox nameplate, if machine made in China, only supply gearbox nameplate, that we can confirm the production drawing.
  2. If not from China, it is best to supply
    • connection flanges size (gearbox and mold)
    • thermocouple holes location, qty & size
    • screw shaft size
    • barrel outside sketch

Q: Delivery time?

Around 15-35 days according to your products.


Welcome to your inquriry on our Precision Cnc Machining OEM Custom Stainless Steel Barrier Screw And Barrel .


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