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1.The main advantage of screw and barrel:
a. Advanced Nitriding Technology .(by 7 days and nights )
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.
Main technical parameters :
Product
screw barrel for plastic machinery  in ruianÂ
Material
38 CrMoAlA(JIS SACM645); 42 CrMo(JIS SCM440)
Hardness of nitrogen treatment
HV900°~1100°
Tempering hardeness
HV240 ° ~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
2.. Technological Process:
BlankingRough, MachiningQuenching & Tempering, Semi Finishing Machining, Finished Product, DetectingNitring/Alloy Processed, Finish Machining.
3. Packing for Stainless steel screw and barrel
1) Wooden case package
2) Plastic film package
3) Suitable to transportation
4) As buyer request
4.FAQ:
1.Q:What are we?
A:We are factory, with license of import and export goods by ourself.
Â
2.Q:How to get to us?Â
A:The nearest airport is Wenzhou airport, and the nearest train station is Ruian station.
Â
3.Q:How do we control the quality of screw barrel?
A:Â We have professional engineer and staffs to check every detail and dimensions from the raw materail, nitrding treatment and super grinding. We do the crucial nitriding treatment by ourself, we have nitriding ovens in depth8000mm, and do nitriding treatment in 8 days and nights, which greatly ensure the hardness of screw barrel.
4.Q:How to contact us ?
A:Send your inquiry details in below for single screw barrel .Click "send "now !!
Â
 Â
5.Company:
Zhejiang pinbo plastic machinery co.,ltd is located in ruian wenzhou city with brand of PYM(Former Ruian yumin machine screw co.ltd since 1988). The company is specialized in making screw barrel, gearbox zlyj series, t die, filter and extruder machine. It has become one of the largest supplier of main parts in Ruian city which is the basement of plastic machines.Â
It owns many computer-control CNC milling machines in length 8000mmÂ
In Fanuk series, 18000mm length deep hole drilling machine and
 other advanced equipment. Long time nitriding treatment for 7days and nights greatly ensure the hardness and lifetime of its products. Meanwhile, the company and its products have passed assessment by SGS company, Bureau of Veritas, Tuv and Ce certificate.
1.The main advantage of screw and barrel:
a. Advanced Nitriding Technology .(by 7 days and nights )
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.
Main technical parameters :
Product
screw barrel for plastic machinery  in ruianÂ
Material
38 CrMoAlA(JIS SACM645); 42 CrMo(JIS SCM440)
Hardness of nitrogen treatment
HV900°~1100°
Tempering hardeness
HV240 ° ~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
2.. Technological Process:
BlankingRough, MachiningQuenching & Tempering, Semi Finishing Machining, Finished Product, DetectingNitring/Alloy Processed, Finish Machining.
3. Packing for Stainless steel screw and barrel
1) Wooden case package
2) Plastic film package
3) Suitable to transportation
4) As buyer request
4.FAQ:
1.Q:What are we?
A:We are factory, with license of import and export goods by ourself.
Â
2.Q:How to get to us?Â
A:The nearest airport is Wenzhou airport, and the nearest train station is Ruian station.
Â
3.Q:How do we control the quality of screw barrel?
A:Â We have professional engineer and staffs to check every detail and dimensions from the raw materail, nitrding treatment and super grinding. We do the crucial nitriding treatment by ourself, we have nitriding ovens in depth8000mm, and do nitriding treatment in 8 days and nights, which greatly ensure the hardness of screw barrel.
4.Q:How to contact us ?
A:Send your inquiry details in below for single screw barrel .Click "send "now !!
Â
 Â
5.Company:
Zhejiang pinbo plastic machinery co.,ltd is located in ruian wenzhou city with brand of PYM(Former Ruian yumin machine screw co.ltd since 1988). The company is specialized in making screw barrel, gearbox zlyj series, t die, filter and extruder machine. It has become one of the largest supplier of main parts in Ruian city which is the basement of plastic machines.Â
It owns many computer-control CNC milling machines in length 8000mmÂ
In Fanuk series, 18000mm length deep hole drilling machine and
 other advanced equipment. Long time nitriding treatment for 7days and nights greatly ensure the hardness and lifetime of its products. Meanwhile, the company and its products have passed assessment by SGS company, Bureau of Veritas, Tuv and Ce certificate.
Single Screw Extruder and Screw Barrel for Injection Molding Machine
Model NO.: 75mm
Engagement System: Full Intermeshing
Screw Channel Structure: Deep Screw
Exhaust: Exhaust
Automation: Automatic
Computerized: Computerized
Place of Origin: Zhejiang China
Brand Name: Pym
Model Number: 45/90
material: 38croala and High Quality Alloy Steel
Maximum Screw Length: 10000mm
Technology: Nitriding Treatment Alloy Coating Sparying
Nitrding Treatment: Depth of Nitrition Layer 0.5-0.8mm
Nitrding Treatment,Surface Hardness: Hv900-1100
Fragility of Nitrition: Less Than Grade 1
Surface Hardness: Ra 0.4um
Trademark: pym
Transport Package: Standard Package
Specification: CE, SGS, TUV, BV
Origin: Ruian
HS Code: 8477900000
Model NO.: 75mm
Engagement System: Full Intermeshing
Screw Channel Structure: Deep Screw
Exhaust: Exhaust
Automation: Automatic
Computerized: Computerized
Place of Origin: Zhejiang China
Brand Name: Pym
Model Number: 45/90
material: 38croala and High Quality Alloy Steel
Maximum Screw Length: 10000mm
Technology: Nitriding Treatment Alloy Coating Sparying
Nitrding Treatment: Depth of Nitrition Layer 0.5-0.8mm
Nitrding Treatment,Surface Hardness: Hv900-1100
Fragility of Nitrition: Less Than Grade 1
Surface Hardness: Ra 0.4um
Trademark: pym
Transport Package: Standard Package
Specification: CE, SGS, TUV, BV
Origin: Ruian
HS Code: 8477900000
Single screw extruder and screw barrel for injection molding machineWelcome any of your inquiry about products and appreciate any comments or suggestion. More details, please feel free to contact us. Thanks so much.
Single screw extruder and screw barrel for injection molding machineWelcome any of your inquiry about products and appreciate any comments or suggestion. More details, please feel free to contact us. Thanks so much.