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low noise pump gear

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product details
Hydraulic pump gear is our featured product, we can produce 70 thousand pairs pump gear, supply to domestic and international hydraulic pump company.
Gear production process: turning→broaching→hobbing→shaving→carburization heating→shot blasting→grinding journal→grinding outside circle of teeth and teeth end, grinding teeth if possible
 
Turning is the first step process that Using our advancing CNC machine to make gear shape.  
Broaching and keyseating are methods used to create keyway, splines, and other features in the internal diameter or bore of a gear. keyway or splines are used on gear IDs along with keyslots or splines on associated shafts. This prevents the gear from rotating on the shaft.
Gear grinding is the process of finish grinding gear teeth, and is a critical step when manufacturing high precision gear.
 
Material:20CrMnTi, 20CrNiMo(AISI 8620) or other alloy steel
Module: 0.8-8mm
Hardness:58-62HRC