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bimetallic rubber screw for rubber machine

  • bimetallic rubber screw for rubber machine
  • bimetallic rubber screw for rubber machine

bimetallic rubber screw for rubber machine

    Delivery Time: 30 Days
    Packaging: WOODEN CASE
    Brand: JINMAO
    Place of Origin: Zhejiang, China (Mainland)

Basic Info

Model No.: dia75mm~dia200mm/dia65mm~dia650mm

Product Description

bimetallic rubber screw for Rubber Machine    Pin Screw and Barrel Specification: Ø75mm~Ø200mm 
Cold/Heat Feed Screw Specification: Ø65mm~Ø650mm  Screw structure and compression ratio can be designed according to different products and raw material.  

<Span style="font-family: arial,helvetica,sans-serif; font-size: 14px;">Base Materials:

1)38CrMoAlA(SACM 645)

2)42CrMo(AISI 4140)





Bimetallic Alloy Materials:

1)Fe-based alloy

2)Ni-based alloy

3)Co-based alloy

4)Tungsten carbide

Processing Technology: 

Heat treatment

High-frequency quenching 

Nitriding treatment

Hard-chrome electroplating 

Bimetallic alloy welding

Bimetallic alloy centrifugal casting

Technical Parameter:

Nitrided layer depth:0.50-0.80mm

Nitrided hardness: 900-1100HV 

Nitrided brittleness: Less than 2 level

Surface roughness: Ra 0.4

Linearity of screw: 0.015mm

Hard-chrome plating hardness after nitriding: ≥950HV

Chrome-plating layer depth: 0.025~0.10mm 

Bimetallic layer depth: 2 mm

Bimetallic hardness: HRC50-65

  We can manufacture all types of screws and barrls according to clients' requrement.        

Q1: What’s screw barrel?

R: Screw barrel is the major and most important part for plast injection and extruder machines.

It provides the plasticization of plastic.

Q2: Is your company factroy or trading company?

R: We are factory.

Q3: Who is JINMAO?

R: JINMAO is a one of the largest manufacturers, specialized in researching, designing and 

manufacturing all kinds of screws, barrels, and other accessories for extrusion and injection

moulding nearly 20 years.We have a series of advanced production and processing equipments

such as CNC machines, Stellite PTA welding machines to ensure the quality of our products. Our Tech. and R&D team have over 10 year's experiences, and can help you improve product quality and production efficiency.

Q4: We bought screw barrels from machine suppliers, will you quality lower 

than their?

R: Actually, most machine companies always buy screw barrels from screw barrel suppliers, 

because we are more professional in this field. Our quality will be as good as machine supplier.

Q5: Can you produce customized screw barrel according to our drawing?

R: Yes, it can’t be better you provide us your drawing!


Q6: We have no compelete drawing, if I give you connection size, can you do 


design for us?

R: Yes, of course. We will do for you for free.
Q7: How is your company guarantee? 

R: We adopt the best raw material and our every production process is under strict inspection, which guarantee the quality and long using life of our products. 

Q8: How long is the delivery time? 
R: Normally around 25-35 days since receiving down payment. 
Q9: What's your advantages: 

R: 1)Good quality guarantee

2)Outstanding design capability  

3)Thousands of drawings can supply for you

4)Professional Tech. and R&D team

5)Strict quality control as per ISO9001:2008 

6)We will service for you in 24 hours and reply promptly

7)Fast production and delivery

8)Large international market 

9)Very competitive price 

    Want to know more information about our products?     Warmly welcome to contact us by below ways:   *Tel:+86-580-8050975   *Moblile:+86-15088892042   *Skype: Linda12149   *TradeManager: cn1000467796 
  Linda will be very happy to service for you in 24 hours!!!

Zhoushan Jinmao Machinery Manufacturing Factory

 <Span style="font-size:16px;">Zhoushan Jinmao Machinery Manufacturing Factory is the largest manufacturer in China that specializes in research, design and manufacture of a full series of screws, barrels, assembly parts, applied for various extruding machines and plastic injection molding machines. In addition, we also design and manufacture screws with special alloys and special flight geometry to meet specific customer applications. We not only offer the best possible screws and barrels, but also provide solutions to help customers solve extruding and injection molding problems.

JINMAO's design engineers have outstanding theoretical background and practical experience, providing optimum designs of screws and barrels for our customers. Our engineers conduct thorough analysis according to customers machine model, production capacity required and resin properties before design. All related parameters that may affect screw performance are designed based on theorem, such as screw type, L/D ratio, flight depth, flight density, helix angle and so on. This outstanding design capability will ensure JINMAO's screws and barrels help customers upgrade product quality and production efficiency.

With more than ten years constant efforts, our factory occupies more than 10,000 M2 and equipped with kinds of advanced CNC processing machines. Furthermore, we have improved our yearly production ability of over 20000 sets screws and barrels. We have passed the ISO 9001:2008 International Quality System, our every production process is under strict inspection to ensure that only high-quality products are delivered to our customers.

Till now, our screws and barrels have been exported to more than 40 countries all over the world. We will make more efforts to be perfect with the development policy of "service, quality, professionality". We will continue to exert our best to provide best products and services to customers. Your satisfaction is our unremitting pursue.

Welcome to JINMAO. The Quality Company.

Company Info

  • Company Name: Zhoushan Jinmao Machinery Manufacturing Factory
  • Representative: tangshanguo
  • Product/Service: Extruder Screw Barrel , Injection Screw Barrel , Rubber Screw Barrel , Twin Screw Barrel , Bimetallic screw barrel , Extruder and production line
  • Capital (Million US $): 3,000,000RMB
  • Year Established: 2003
  • Total Annual Sales Volume (Million US $): US$50 Million - US$100 Million
  • Export Percentage: 11% - 20%
  • Total Annual Purchase Volume (Million US $): US$5 Million - US$10 Million
  • No. of Production Lines: 5
  • No. of R&D Staff: 5 -10 People
  • No. of QC Staff: 5 -10 People
  • OEM Services Provided: no
  • Factory Size (Sq.meters): Below 1,000 square meters
  • Factory Location: No.132,Xingang Road,Jintang Town,Dinghai District,Zhoushan,Zhejiang,China
  • Contact Person: Ms. Linda Tang
  • Tel: 86-580-8050975
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