Company profile
Zhejiang Jingjin Machinery Co.,Ltd was established in 1988,The company covers an area of 30,000 square meters,with more than 300 employees.Jingjin is one of Spare Parts Of Injection Moulding Machine the largest manufacturer specializing in producing high precision and high quality bimetal screw barrel in China,the scale of the enterprise is in the forefront of the industry.Which is located in Ningbo to Zhoushan cross-sea bridge,the bridgehead of Jintang Bridge,screw barrel town of plastic machinery in China.
Concial Twin Screw Barrel
The above are standard specifications, we can customize according to customers’ requirements.
The compression ratio of screws can be designed according to different products and mixtures.
Technical Parameter:
Hardness After Hardening & Tempering:HB280-320
Nitrided hardness: 950-1100HV
Nitrided layer depth:0.50-0.80mm
Nitrided brittleness: Less than 2 level
Surface roughness: Ra 0.4μm
