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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: FIVE-STAR
  • Model Number: TWIN SCREW
  • Heat Treatment: bimetallic alloy coating

Packaging & Delivery

Packaging Details Exporting package
1.packed in film
2.oil the products
3.packed in wooden box

Zhoushan Five-star Machinery Manufacturing Co.,LTD

                         Parallel twin screw and barrel

                                  Material and Heat treatment

Material

Heat Treatment

1) 38CrMoALA(JIS SACM645)

Nitriding treatment

2) 42CrMo (JIS SCM440)

Chrome plating

3) 9Cr18MoV

Corrosion & Abrasion resistance bimetallic alloy coating

Parallel twin screw and barrel
Technical Parameter

Hardness after hardening and tempering

HB260º-290º

Depth of nitriding

0.55-0.85mm

Hardness of nitriding

HV 950-1020

Fragility of nitriding

Less than grade 2

Depth of bimetallic layer

2.0-3.0mm 

Hardness of bimetallic

HRC59º-65º

Depth of chrome plating

0.02-0.15mm 

Roughness of the surface

Ra 0.4um

Linearity of screw and barrel

0.015mm/m

 

Screw and barrel size

Ø65/2

Ø80/2

Ø90/2

Ø105/2

Ø125/2

Ø146/2

Ø150/2

   

 

Compression of screws and barrels can be designed according to customers’ requirements.

 

 

ABOUT US:

Zhoushan Five-star Machinery Manufacturing CO., LTD is located in Jintang town of Zhoushan City. 

 

The town, which is named as Screws And Barrels Town in China, has excellent geographical location. It is in the north of Ningbo, in the south of Shanghai. After more than 20 years development, our company has been a famous high-quality screws and barrels supplier and pioneer in China. Five-star” brand is awarded as China Famous Best-seller brand” for screw and barrel by China Brand and Marketing Strategy Promotion Committee.

 

 

 

 

Quality

 

----High quality material.

 

   The material is from Baosteel in China, HITACHI in Japan and other materials from Germany.

 

----New advanced machines.

 

   3 coordinate CNC deep hole drilling machine, CNC milling machines, boring machines, other machines are equipped. 

 

----Heat treatments.

 

   Hardening, tempering, surface nitriding, chrome plating, high-frequency quenching, vacuum hardening, welding bimetallic powder etc. are available.

 

----Experienced engineers and technicians.

 

   We have a professional technical team, who always support you.

 

 

 

Quality Control

 

----We are quality control ISO9001:2000 certified company. 

 

With experienced inspectors and advanced testing tools and equipments, our products can meet Germany/ international standard.

 

 

 

Warranty

 

One year warranty is offered to customers. And experienced engineer team can offer good technical support.

 

 

 

Service

 

We are a authorized factory to import and export goods by the government. We have export the goods to Germany, Turkey, Malaysia, etc.. 

 

----With capacity 2000 sets per year, we can make quick delivery.

 

----Customers’ drawings are welcomed. And we can also design the drawings according to customers’ requirements.

 

----We can offer products with “ Five-star” brand. And OEM business is welcomed.

 

 

 

Contact Us for Quotation or Support:

 

To make you an accurate quote, we need your kindly support to provide drawings, quantity, material, heat treatment requirements, destination, etc.

 

 

1.Please send us meassage online now.

2.Please contact us by E-mail.

                              

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China (Mainland) | Manufacturer, Trading Company
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