Technological Process:
BlankingRough, MachiningQuenching & Tempering, Semi Finishing Machining, Finished Product, DetectingNitring/Alloy Processed, Finish Machining
Why to choose us?
`One: We have long history and experience working in the field.
Two: We have the most advanced equipments and technique in our industry.
Three: We have professional engineer, Cad drawer and staffs.
Four: We have 100% quality ensure system and 24hours after-sale service system.
Five: We have passed third-party assessment, such as CE, SGS and TUV and BV.
5. Packing for Stainless steel screw and barrel
1) Wooden case package
2) Plastic film package
3) Suitable to transportation
4) As buyer request
Parameters :
| Product |
Screw and Barrel for PVC Pipe Extrude |
| 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 |
Office:
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.
It owns many computer-control CNC milling machines in length 8000mm 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.
Welcome any of your inquiry about products and appreciate any comments or suggestion. More details, please feel free to contact us. Thanks so much.
Send you inquiry details in below for screw barrel .Click "send now ". And welcome to visit our company
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