ZLYJ series single screw extruder gearbox

The hard gear surface transmission device of SZ series manufactured srictly according to the standard of JB/ T9095.1- 1999 consists of reducer and distributor. It is the special-purpose product of the conical twin screw extruder. 1. The gear of the reducer is high strength alloy steel, carburizing steel. Processed by carburization, quenching and gear grinding, the gear can reach 6-grade.The gear enjoys both high hardness with HRC58-62 and low noise when operating. 2. The gearbox' s small cone angle of helical gear is made by high quality alloy steel. After grinding by CNC gear hobbing machine, the gear will be carburized, quenched to make sure high precision and hardness. 3. Ductile cast iron case and high strength aligning thrust roller bearings makes the item perform steadily and bear large axial thrust. 4. Equipped with cooling system,the reducer and distributor can run safety. 5. Exquisite craftsmanship of cutting makes the item in great shape. Our factory can also design acc…

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