Ningbo Jinyi Precision manufactures bimetallic masticating barrels and liners for all types of rubber injection molding, cold and hot feed rubber twin and single screw extrusion machinery. Our products are found worldwide operating in mild to severe abrasion and corrosion wear environments.
Parameters Screw out diameter d:15mm≤d≤300mm Screw length L:L≤10000mm Nitriding hardness:HV≥900 After grinding 0.20mm, HRC ≥760 (38CrMoALA); Nitrided brittleness:≤2 level Surface finish Ra:Ra0.4µm Straightness:0.015mm Thickness of bimetallic layer:1.5-2.0mm Hardness of bimetallic layer:HRC56-60 Thickness of chrome plating layer: 0.03-0.05mm Applications Tires, shoe materials, wires and cables, pipes, seals, etc.
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