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INTRODUCTIon

Kunshan Donghao plastic machinery Co., Ltd. is located in Zhangpu town of Kunshan City,JiangsuProvince. This factory is specialized in designing and manufacturing cylinder, screw and mechanical parts, it has more than ten years’ experience in processing various plastic molding problems, and also rich experience in designing and manufacturing screw, cylinder, and the spare parts of injection molding machine and extruder.

Our company has an integral machining equipment production line, heat treatment nitrogen furnace and tempering furnace, double-alloy roaster, spray welding heat processing equipment and perfect testing facilities.,We will provide you with the most professional service,the best qualily and the most reasonable price.and we have inventory,which can meet your demands..

We have many senior technical staff, sales staff and many offices in Yangtze River Delta and Pearl River Delta to provide advice and services.

Management concept

With the faith of “quality first, service paramount”, our company has gained much support and become the most specialized company of manufacture and sale cylinder and screw in eastChina. We are trying our best to make our products no defect from design to manufacture.

Product display Cylinder and Screw

Scope of application

For injection machine(horizontal and vertical), extruder, bakelite machinery and rubber machinery. Inside diameter of the cylinder isφ15-φ250mm, length: 6,000mm and its complement cylinder.

Category:

nitride cylinder screw: material: 38CrMoALA(SACM645)

nitride layer depth: 0.8mm

nitride hardness: HC1000HV degree(ie, HRC65-68)

straightness: 0.015mm/M

roughness of the surface: Ra0.4um, screw surface after galvanization: Ra0.2 um

Double-alloy cylinder screw

   A class alloy: cylinder centrifugal cast, a layer of alloy 100% covers its surface which includes 40% tungsten

   B class alloy: cylinder centrifugal cast, a layer of alloy 100% covers its surface, which includes 25% tungsten

   C class alloy: cylinder centrifugal cast, the screw is PAT crest spray welding alloy, which includes 9.5% tungsten

   Application of plastic: They are suitable for all kinds of plastic accession fiberglass, Vo fireproofing materials, PPA, PPS,LCP,PEI, magnetic particle, teflon and other special engineering plastic.

Cylinder screw A+ class: made by potsherd with precise technology, the inside diameter isφ14-φ50mm, length: 1,500mm, compared with the double-alloy products, the potsherd series products can function better in abrasive resistance and corrosion resistance. Hardness of the surface: HR66°-70°. The products are suitable for plastic accession fiberglass30%-70%, LCP, teflon, zero-halogen and other special engineering plastic.