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Model NO.: coniccal twin screw barrel
Automation: Automatic
Computerized: Computerized
Plastic Processed: PVC
Brand Name: Pym
Base Material: 38crmoaia, 42CrMo
Certificats: Ce BV SGS TUV
Delivery: 25days
Heating-Treatment: Nitrogen, Electroplated Hard-Chrome Finshed etc
Trademark: pym
Transport Package: Packed in Wooden Case.
Specification: CE SGS BV TUV
Origin: Wenzhou, Zhejiang, China
HS Code: 847790000
Model NO.: coniccal twin screw barrel
Automation: Automatic
Computerized: Computerized
Plastic Processed: PVC
Brand Name: Pym
Base Material: 38crmoaia, 42CrMo
Certificats: Ce BV SGS TUV
Delivery: 25days
Heating-Treatment: Nitrogen, Electroplated Hard-Chrome Finshed etc
Trademark: pym
Transport Package: Packed in Wooden Case.
Specification: CE SGS BV TUV
Origin: Wenzhou, Zhejiang, China
HS Code: 847790000
Bimetallic screw barrel in nitrided

   For bimetallic screw ,we have adopted advanced technique(HP/HVOF)of surface harden Process by the whole screw surface,WPT1 alloy with corrosion resistant suits for nylon,PVC,PC,PMMA and so on.WPT2alloy corrosion resistant and high temperature resistant Suits for magnetic power ,maanetic powder,magnesium and alumimum powder.Bakelite injection and so on .WPT3 is compatible with WPT1 and WTPT2.
   For bimetallic barrel ,we have raised the proportion of tungsten contained in alloy to 30%and 50%from previous10%,and we also have increasedthe processing length to 4000mm from the previous length of 3000mm.

Technical Parameters 
Bimetallic Screw Barrel in Nitrided

The main advantage of  screw barrel:

 a. Advanced Nitriding Technology 
 b. Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy
 c. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for the screw of different functions.

certificate

Bimetallic Screw Barrel in Nitrided

Why  choose us ?  

A>  long time experience and history

B>  long time nitriding treatment and heating treatment by itself

C>advanced Fanuk series CNC computer-controlled milling machines

D>depth hole drilling machine in 10meters length, which ensure the straigtnss of barrel inside.

E>  CAD drawing confirmation before start making

F>  Prompt after sale service

 G>Land owner and registration capital 25,000,000RMB

office

Bimetallic Screw Barrel in Nitrided

Ruian yumin machine screw co.,ltd is a factory specialized in making
 screw barrel in various materails, filter, t die, gearbox, and extruder machine
. We are largest one in Ruian city who supply main parts to machine- maker with the history over 24 years. Our workshops cover lands over
 5.000 cube meters. We have two factories in Ruian, with 4workshops. 
We have many computer-control CNC milling machines with the length 8000mm in Fanuk series,
 18000mm length deep hole drilling machine, and other advanced equipments.
 All the process is done by ourself, including nitrding treatment. 
We do nitriding treatment for 7 days and nights, 
which ensure the hardness and lifetime of screw barrel a lot
. Meanwhile, our factory and products are passed the assessment by SGS company, 
and Bureau of Veritas, TUV, and CE certificate. 

                   Welcome to visit our company !
 
Product    screw barrel  for   pellet
Material 38 CrMoAlA(JIS SACM645); 42 CrMo(JIS SCM440)
Hardness of nitrogen treatment HV900°~1100°
Tempering hardeness HB240 ° ~280°
Depth of nitrogen layer: 0.6~0.8mm
Nitrided Brittleness above 1 stage
Surface Roughness Ra0.4 um
Screw straightness 0.015mm
Hardess of surface chromium-plating after Nitriding HV≥950HV
Chromium plating Depth 0.025-0.085mm
Alloy Depth 2.5mm-4mm
Alloy hardness HRC62°~72°
Heating-treatment nitrogen ,electroplated hard -chrome finish,high frequency quenching
Bimetallic screw barrel in nitrided

   For bimetallic screw ,we have adopted advanced technique(HP/HVOF)of surface harden Process by the whole screw surface,WPT1 alloy with corrosion resistant suits for nylon,PVC,PC,PMMA and so on.WPT2alloy corrosion resistant and high temperature resistant Suits for magnetic power ,maanetic powder,magnesium and alumimum powder.Bakelite injection and so on .WPT3 is compatible with WPT1 and WTPT2.
   For bimetallic barrel ,we have raised the proportion of tungsten contained in alloy to 30%and 50%from previous10%,and we also have increasedthe processing length to 4000mm from the previous length of 3000mm.

Technical Parameters 
Bimetallic Screw Barrel in Nitrided

The main advantage of  screw barrel:

 a. Advanced Nitriding Technology 
 b. Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy
 c. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for the screw of different functions.

certificate

Bimetallic Screw Barrel in Nitrided

Why  choose us ?  

A>  long time experience and history

B>  long time nitriding treatment and heating treatment by itself

C>advanced Fanuk series CNC computer-controlled milling machines

D>depth hole drilling machine in 10meters length, which ensure the straigtnss of barrel inside.

E>  CAD drawing confirmation before start making

F>  Prompt after sale service

 G>Land owner and registration capital 25,000,000RMB

office

Bimetallic Screw Barrel in Nitrided

Ruian yumin machine screw co.,ltd is a factory specialized in making
 screw barrel in various materails, filter, t die, gearbox, and extruder machine
. We are largest one in Ruian city who supply main parts to machine- maker with the history over 24 years. Our workshops cover lands over
 5.000 cube meters. We have two factories in Ruian, with 4workshops. 
We have many computer-control CNC milling machines with the length 8000mm in Fanuk series,
 18000mm length deep hole drilling machine, and other advanced equipments.
 All the process is done by ourself, including nitrding treatment. 
We do nitriding treatment for 7 days and nights, 
which ensure the hardness and lifetime of screw barrel a lot
. Meanwhile, our factory and products are passed the assessment by SGS company, 
and Bureau of Veritas, TUV, and CE certificate. 

                   Welcome to visit our company !
 
Product    screw barrel  for   pellet
Material 38 CrMoAlA(JIS SACM645); 42 CrMo(JIS SCM440)
Hardness of nitrogen treatment HV900°~1100°
Tempering hardeness HB240 ° ~280°
Depth of nitrogen layer: 0.6~0.8mm
Nitrided Brittleness above 1 stage
Surface Roughness Ra0.4 um
Screw straightness 0.015mm
Hardess of surface chromium-plating after Nitriding HV≥950HV
Chromium plating Depth 0.025-0.085mm
Alloy Depth 2.5mm-4mm
Alloy hardness HRC62°~72°
Heating-treatment nitrogen ,electroplated hard -chrome finish,high frequency quenching

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