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Extruder Machine Screw And Barrel

(1.3)
Supplier From China
Dec-15-12

Specification:
Screw diameter: d15- d 300
L/d ratio: 15-46
Product classification:
Aiming at different plastic products the screw can be chosen from: general type, pin type, barrier type, separation type, and gas-exhausting type, etc.

Base materials:
(1)38crmoala(jis sacm645)
(2)42crmo(aisi 4140)
(3)4cr5mosi v1 (jis skd-61)
(4)9cr18mov
(5)hpt

Bimetallic alloy materials:
1)fe-based alloy
2)ni-based alloy/deloro alloy
3)co-based alloy
4)nico-based alloy
5)tungsten carbide/wolfram carbide

Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting

Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000hv
Nitrided brittleness: less than grade 1
Surface roughness: ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: >950hv
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm



Slushing oil coated& film wrapped in wooden case

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Specification:
Screw Diameter: D15- D 300
L/D ratio: 15-46
Product classification:
Aiming at different plastic products the screw can be chosen from: General type, pin type, barrier type, separation type, and gas-exhausting type, etc.

Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
(3)4Cr5MoSi V1 (JIS SKD-61)
(4)9Cr18MOV
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Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide

Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting

Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: >950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm



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  Ningbo Tianze Machinery Technology Co.
Supplier From Ningbo, Zhejiang, China
Supplier Of Nuts, Bolts, Screws, Springs, Studs & Washers
 
Over 29 years experience in screw and barrel , more info pls find kaylee(at)tizatech.com


Specification:
Diameter: Ã?15-Ã?500
L/D ratio:15-55

Base Materials: 1)38CrMoAlA(SACM 645)
2)42CrMo(AISI 4140)
3)Cr12MoV(SKD11)
4)4Cr5MoSiV1(SKD61)
5)9Cr18MoV
6)40Cr
Bimetallic Alloy Materials: 1)Fe-based alloy
2)Ni-based alloy
3)Co-based alloy
4)Tungsten carbide
Processing Technology: Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Technical Parameter:
Nitrided layer depth:0.50-0.80mm
Nitrided hardness: 900-1100HV
Nitrided brittleness: Less than 2 level
Surface roughness: Ra 0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness: â?¥950HV
Chrome-plating layer depth: 0.025~0.10mm
Bimetallic layer depth: 2 mm
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We can manufacture all types of screws and barrels according to clientsâ?? requirement
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  Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
Supplier From Zhoushan, Zhejiang, China
Supplier Of Nuts, Bolts, Screws, Springs, Studs & Washers
 
Specification:
Screw diameter: d20mm-d220mm
Mould clamping force: 250t-3200t
Shot weight: 30g-30000g

Technical information
Base materials:
(1)38crmoala(jis sacm645)
(2)42crmo(aisi 4140)
(3)4cr5mosi v1 (jis skd-61)
(4)9cr18mov
(5)hpt

Bimetallic alloy materials:
1)fe-based alloy
2)ni-based alloy/deloro alloy
3)co-based alloy
4)nico-based alloy
5)tungsten carbide/wolfram carbide

Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting

Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000hv
Nitrided brittleness: less than grade 1
Surface roughness: ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: ¡ã 950hv
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm.



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MOQ: Not Specified
  Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
Supplier From Zhoushan, Zhejiang, China
Supplier Of Nuts, Bolts, Screws, Springs, Studs & Washers
 
Specification:
Screw diameter: d20mm- d220mm
Mould clamping force: 250t-3200t
Shot weight: 30g-30000g

Base materials:
(1)38crmoala(jis sacm645)
(2)42crmo(aisi 4140)
(3)4cr5mosi v1 (jis skd-61)
(4)9cr18mov
(5)hpt

Bimetallic alloy materials:
1)fe-based alloy
2)ni-based alloy/deloro alloy
3)co-based alloy
4)nico-based alloy
5)tungsten carbide/wolfram carbide

Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting

Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000hv
Nitrided brittleness: less than grade 1
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Hard-chrome plating hardness after nitriding: 950hv
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Supplier From Zhoushan, Zhejiang, China
Supplier Of Nuts, Bolts, Screws, Springs, Studs & Washers
 
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The above are standard specifications, we can customize according to customers' requirements.

The compression ratio of screws can be designed according to different products and ingredients.

Base materials:
1)38crmoala(jis sacm645)
2)42crmo(aisi 4140)
3)4cr5mosi v1 (jis skd-61)
4)9cr18mov
5)hpt

Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting

Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000hv
Nitrided brittleness: less than grade 1
Surface roughness: ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: ¡ý 950hv
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm



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