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| Zhejiang Guangming Plastic Machinery Co., Ltd. |
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Screw and Barrel for Parallel-Twin Screw Extruders
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| Detail Description |
Print Page
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This series of two-sided circumgyrated parallel twin-screw and barrel are suitable
for manufacturing pipe material, special shape material, plate material, sheet
material, changing plastic properties, and soft / hard PVC pelletizing. The compression
ratio of screw and barrel can be designed according to different raw materials
and products.
Technical specifications:
1) Material: quality 38CrMoAlA
2) Hardness after hardening and tempering: HB240-280
3) Nitride hardness: HV850-1000
4) Nitride case depth: 0.45 - 0.7mm
5) Nitride brittleness: less than grade 2
6) Surface roughness: Ra 0.4
7) Screw straightness: 0.015mm
8) Surface chromium-plating's hardness after nitriding: ≥900HB
9) Chromium-plating depth: 0.05 - 0.10mm
10) Alloy hardness: HRC50-65
11) Alloy depth: 0.8 - 2.0mm
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| Expire: Permanent |
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| Contact
Details |
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| Contact Person (Department): |
Mr. Minggang Bao |
| Company Address: |
Qiaoxing West Road, Dafeng 2nd Industrial Zone, Jintang Town, Dinghai District, Zhoushan City, Zhejiang Province. China |
| City/Town: |
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| Province/State: |
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| Country/Region: |
China |
| Zip/Postal Code: |
316033 |
| Phone Number: |
86-580-8043596 /3 |
| Fax Number: |
86-580-8041266 |
| Homepage: |
http://www.gyscrew.com |
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