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Jiangyin Gearbox Manufacturing Co., Ltd.

Extruder Gearbox, Gearbox, Gear Reducer manufacturer / supplier in China, offering Double Screw Extruder Gearbox (Transmission Case), Gear Units for Open -Type Rubber Mixing Mills, Extruder Gearbox and so on.

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Supplier Homepage Product Rubber and plastic machine gearbox Double Screw Extruder Gearbox (Transmission Case)

Double Screw Extruder Gearbox (Transmission Case)

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 1200sets/Month
Transport Package: Wooden Case
Payment Terms: L/C, T/T

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Basic Info
  • Type: Bevel Gear
  • Manufacturing Method: Rolling Gear
  • Origin: China
  • Toothed Portion Shape: Spur Gear
  • Specification: ISO
Product Description
The transmission gear of SZ Cone Double Screw Extruder is a mechanical transmission gear specially designed as a mating device for the cone double screw plastic extruder. The device can transmit the power generated by the major motor to the long axis of the distributor case after speed reduction and twist increasing in the transmission case. Then the long axis drives the minor axis through a pair of small-cone-angle spiral gear with a transmission ratio of 1: 1. The long axis and the minor axis with the same corner dimension as the screw bolt and in the manner of inverted outward rotation drive the screw bolt to extrude high-quality products.

The transmission case is designed according to the standard of JB / T9050.1_1999. The gears and axial parts are made of high strength alloy steel. The gear goes through the process of carburization, heat hardening and gear grinding, with the gear precision of grade 5 and the tooth surface hardness of HRC54-62. The distributor case is made of ductile iron. The gear is made of 38CrMoAL which has gone through the nitrogen treatment. The gear hobbing is cut with numerical control hobbing machine, thus its cone angle precision is much higher than other processing method. All the oil seal adopts imported products. Both the transmission case and the distributor case are equipped with cooling coils, which are used to cool the lubricating oil.

Due to the new improvements in gear precision and bearing configuration compared with the traditional products, its overall performance is superior to that of the current products.
Type SZ35 SZ45 SZ50 SZ55 SZ65 SZ80 SZ92
Input Rotary Speed   max
r/min
  1500/975   1500 1500  1500  1500  1500  1500 
  Output Rotary Speed   max
r/min
  47    45   38  38  39    39   40
  Input Power KW   11  7.5   18.5   22 30  37    55 110 
  Single Axis Output Torque
N. m
  1180/723   1972 2779  3820 4518   6786   13130
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