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Hot Sell Screw and Cylinder for Rubber Machine

Hot Sell Screw and Cylinder for Rubber Machine
Price: Negotiable/Piece
Trade Terms: FOB,CFR,CIF
Min Order: 1/Piece
Pay Type: L/C,T/T,D/P
Markets: North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Type: General Rubber Machinery
Type Of General Rubber Machinery: Rubber Extruder
Type Of Tire Machinery: Inner Tube Curing Press
L/D Ratio: 4 - 18

Product Description

JL SCREW have rich experience on manufacturing Screw Barrel for Rubber Machine
( Cold Feeding, Hot Feeding, Pin Rubber )

Every JL Screw & Barrel is made of high quality materials, with heat treatment, high-frequency quenching, nitriding treatment, precision grinding, hard-chrome electroplating. These advanced technics are ensuring our products having many great characteristics, especially in dimensional accuracy, wear-resisting, lifetime, prevention of corrosion.

Our reliable and helpful Screw & Barrel is the best choice to you! ________________________________________________________________________________________
Terms and Conditions:
Means of transport: Ocean, Air, Express
Production time: About 20-30 days after we receive the advanced payment
Production Process:
Receiving orders — > Designing & Drawing confirmation — > Blanking Thermal refining — > Heat treatment — > Rough Turning — > Polishing — > Drilling for barrel — > Semi Finishing Machining — > Bimetallic welding — > Centrifugal casting for barrel — > Polishing — > Nitriding treatment(120 hours) or High frequency quenching — > Hard-chrome plating — > O. D. Grinding — > Honing for barrel — > Alignment — > Polishing — > Inspecting — > Packing & Shipping
________________________________________________________________________________________
Technical Information:
Specification:
Screw Diameter for Cold Feeding Screw and Barrel: Φ40mm - Φ300mm
Screw Diameter for Hot Feeding Screw and Barrel: Φ30mm - Φ250mm
Screw Diameter for Pin Rubber Screw and Barrel: Φ50mm - Φ250mm
L/D Ratio: 4 - 18
 
Base Materials
1. 38CrMoAlA (JIS SACM645)
2. 42CrMo (AISI4140)
3. 4Cr5MoSi V1 (JIS SKD-61)
4. DC53 (JIS G4404) 
5. Cr12MoV (SKD11) 
6. 9Cr18MoV (Stainless Steel)
 
Bimetallic Alloy Materials:
1. Ni -based alloy
2. Fe-based alloy 
3. Co-based alloy 
4. NiCo-based alloy 
5. Tungsten  carbide
 
Processing Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
Hard-chrome electroplating
 
Technical Parameter:
Nitriding layer depth: 0.5 - 0.8mm
Nitriding hardness: 900 - 1000HV (55 - 65HRC)
Nitriding brittleness: ≤Grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Bimetallic layer depth: ≥3 mm
Bimetallic layer hardness: 55 - 70 HRC
Hard-chrome plating hardness after nitriding: ≥ 950HV 
Chrome-plating layer depth: 0.03 - 0.10mm
Zhoushan Jinli Screw Industry Co., Ltd was established in the year of 1998, we are a professional manufacturer of designing, researching and manufacturing all kinds of screws, barrels and other accessories for plastic and rubber machinery.

Our company is located in Zhoushan city, it covers an area of 12000sqm and has over 100 employees. We are well equipped with a variety of advanced machines, experienced R&D team, strict quality control system and perfect after-sale service. These conditions are ensuring us best quality and creating more and more long-term customers.

In order to keep high quality, we built quality control system strictly follow ISO9001: 2008 international Quality System and kept effective operating. As a result of our high quality products and outstanding customer services, we have gained a global sales network reaching Middle East, Southeast Asia, Eastern Europe, Africa, South America etc.

With the JinLi spirit of "based on sincerity, build a win-win situation", in the past twenty years, we developed together with customers. We believe our unremitting efforts will help us win greater markets and play a bigger role in this field in the future.

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  • Zhoushan Jinli Screw Industry Co., Ltd.

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