About us :
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 an 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.
Technical parameters :
Product |
38CrMoAIA screw and barrel for extruder machine |
Material |
38 CrMoAlA(JIS SACM645); 42CrMo(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 |
Technological Process:
Blanking, Rough Machining, Quenching & Tempering, Semi Finishing Machining, Finished Product, DetectingNitring/Alloy Processed, Finish Machining
Packing for Stainless steel screw and barrel
1) Wooden case package
2) Plastic film package
3) Suitable to transportation
4) As buyer request
5) One piece into one package
Our Advantages :
1. ISO 9001:2000, GSG, SGS, CE, Production Assessment, Gold Supplier certificated .
2. All machines will be examined and tested before delivery by 5 professional engineers (with more than 20 years machine experience).
3. Perfect after-sale system,(Engineers available to service machinery overseas ).
4. Prompt Reply Within 12 Hours.
FAQ
Q1:What are we ?
We are factory, with license of import and export goods by ourself.
Q2:How to get to us?
The nearest airport is Wenzhou airport, and the nearest train station is Ruian station.
Q3:How do we control the quality of screw barrel?
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,
Dear customer, if you already have suppliers or are looking forsuppliers, have a try to believe us, we are sincerely welcome you and want to cooperate with you.
| 1. We have long history and experience working in the field |
| 2. We have the most advanced equipments and technique in our industry |
| 3. We have professional engineers and staffs |
| 4. We have 100% quality ensure system and 24hours after-sale service system |
| 5. We own two lands of workshop, covering 5000cbms. |
| |
Audited Supplier 
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