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Type: Injection Blow Molding
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Automation: Automatic
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Base Materials: Nitriding Steel
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Origin: China
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Plastic Type: Thermoplastic
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Computerized: Computerized
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Trademark: Zhongyang
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HS Code: 84779000
Nitrided single screw for blowing moulding machine
Specification:
Screw diameter: Φ20mm-Φ220mm
Mould clamping force: 250T-3200T
Shot weight: 30G-30000G
Technical Information
Base Materials:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)4Cr5MoSi V1 (JIS SKD-61)
4)9Cr18MOV
5)HPT
Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide
Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: >=950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm
Warranty and service: 1 year
Our advantages:
1)Excellent raw materials
2)Good customer service
3)Rapid delivery
4)Reasonable price
5)Production quickly
Experienced manufacture, we will be the best choice.
Our Company:
Gutter And Downpipe Making Machine is belong to our factory`s main products. Downpipes and gutter machines are designed to solve the problem of drainage on the roof. The two machine is different. Gutter roll forming machine and downpipe roll forming machine. And the machine can be designed for different type. Then the machine can make different type gutter or pipe. Round ,square,half round and so on.

Gutter And Downpipe Making Machine
Downspout Gutter Roll Forming Machine,Gutter Making Machine,Downspout Making Machine,Arc Gutter Roll Forming Machines
Xianfa Roll Forming Machine Factory , https://www.btxianfa.com