Screws and barrels for plastic injection machines
Material: 38 CrMoA1A
L/D Ratio: L/D=10-56
Nitriding Layer Depth: 0.5-0.8mm
Nitriding Layer Hardness: HV≥,900
Nitriding Fragility: Less than grade two
Surface Roughness: Ra0.4μ,m
Cr-Plating Layer Depth: 0.03-0.08mm
Cr-Plating Layer Hardness: 850 HV
Material: the surface tungsten carbide ultra-sound overall spray can improve the wear resistance of the screw
Heat-treatment: Vacuum hardening heat treatment process can greatly improve the service life of the three small pieces.
While emphasize the development and retainment of high performers, we introduce a series of modern facility and continuously improve our quality control system.Adhering to the customer service philosophy, we keep exceeding customers´ expectation as our pursuit.
Zhoushan Jianghai Screws Manufacture Co., Ltd