Screw And Barrel

 

Zhoushan Jwell Screw&barrel Co.,Ltd locates in NO.219 hongsheng anvenue, that is in B zone of zhoushan economic development region. It covers 80,000m2.Our company is professional in designing and making screw and barrel. With two generations' hard working,the brand of jinhailuo have win high appreciation be cause of its high quality and good service.Our company meet the need of customers in home and abroad with new idea and advanced technique.

 

 

The screws and barrels made by our company are highly precise because we use good alloy material, and it processed by the latest technology and inspection equipment of European and US.So our production is en durabale and wearable. Our company could design remend and mass product, we try our best to satisfy our customers.management system,our goal is to make and as the best screw brand in China.

 

 

 

Material

High quality alloy-steel

1) 38CrMoAlA(JIS SACM645)

2) 42CrMo(JIS SCM440)

3) 9 Cr18MoV

4) SKD11

5) C276

6) GH113

Heat-treatment

Nitriding treatment

Electroplated hard-chrome nish

Medium-high frequency quenching

Spray bimetallic coating

Vacuum quenching

Applications

1) For plastic product extrusion:Blow film, sheet, plate, pipe extrusion

2) For chemical ber extrusion:PET , PA6 , film, non-woven fabric,rope ber

3) For plastic recycling and pelletizing

4) For cable extrusion: PVC, PE, PBT and rubber uoride

 

 

 

Material

High quality alloy-steel

1) 38CrMoAlA(JIS SACM645)

Heat-treatment

Nitriding treatment

Spray bimetallic coating

Electroplating hard chrome

Quideline of technique

Depth of nitration layer: 0.05~0.08mm

Hardness of nitration: 900~1000hv

Fragility of nitration: less than grand

one

Roughness of the surface: Ra0.4

Linearity of the screw: 0.015mm/m

The surface hardness of chrom plating

after nitrogention:more than 950hv

Chrome-plating layer

thickness:0.025~0.085mm

 

 

 

● Base material of bimetallic barrel:45# 40Cr

● Bimetallic type:centrifugal casting

● Applicatio n: for injection molding machine and extruder

● Products range: Inner diameter 12- 350mm

● Effective length: 12000mm

● Nitrided layer thickness: 0.50-0.80mm

● Hardnes s: HV960

● Straightness: 0.015mm/m

● Suitable plastic material: PP, PE, ABS, AS, PS etc.

 

 

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