The gearbox of a wind turbine is one of the key components in wind power generation equipment, used to transfer the kinetic energy of the rotating wind turbine to the generator, thereby generating electrical energy. It is usually composed of multiple gears, which increase the speed of the wind turbine through precise transmission ratios and convert it into a speed suitable for the operation of the generator. Usually, the speed of the wind turbine is very low and far from the required speed for the generator to generate electricity. It must be achieved through the speed increasing effect of the gearbox gear pair, so the gearbox is also called a speed increasing gearbox.
JH series gear reducers for cement kilnsare involute cylindrical gear units with parallel shafts which has four reduction stages.This series has four basic structure including over 50 types.Thanks to the standardized,series and modulated design,the reducers can be manufactured according to standard or specific requirements at customers'choice with good reliabiity and maintenance.
The latest XB series gear reducers for roller presses includes totaly 33 models with transmission powerup to 4,000kW and a torque transmission capacity up to 5300KN.m.
According to different cement production lines with transmission power up to 8400kW and ratio from 35:1 to 80:1,we can match JS JST,JD(X)and MDH series central driving mil reducers to meet needs for various cement lines of daily output 2500-10,000 tons.
The variable pitch gear box is an important part of the fan variable pitch system, its main function is to increase the torque of the variable pitch motor on the variable pitch bearing, drive the blade to change the blade pitch Angle at different wind speeds, so that the blade is in the best state of absorbing wind energy, and can drive the blade feathering brake when the wind speed exceeds the cutting wind speed, so as to ensure the machine to run efficiently and smoothly. The variable gear box transmission mechanism is composed of multiple planetary gear trains, usually 3 stages, and the planetary transmission form is NGW type.
Wind power and marine gearbox accessories
(1) Configuration Bevel gears (vertical installation), bearing and housing (2) Material: Bevel gear is made of alloy steel scm415, and dealt with carburized hardening, it has high-steel and wear-resistance.Housing is made of cast iron (3) Model: Rn-2m, 4m, 6m, 7m, 8m, 10m, 12m, 16m, 20m, 25m (4) Speed ratio 1:1, 1:1.5, 1:2, 1:2.5, 1:3 (5) 42 kinds of different transmission directions, gear transmission efficiency upto 95% (6) Feature: 1. The compact design provides a small box size with a low weight 2. Save more energy as compared to worm gears and are available in varying gear ratios (7) Appliance: Textile, food, medicine, printing, packaging and packing machines
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Jiangxi JMCG Axle Gear Co.,Ltd is a state-owned factory specializing in spiral bevel gears of axles since 2004. It is located in Nanchang, a famous historic and cultural city in Jiangxi province, China. Our factory covers 85,538 square meters. There are 125 staffs including 22 engineers and 43 technicians. All the staffs are well-trained. We have advanced gear equipment, most of them are imported from Gleason and Ipsen. For the high quality production, there are CNC hypoid cutting machine, IPSEN Double-row Continuous Furnace, Box-type furnace and Gleason Quenching Press Machine CNC Smart lapping machines, CNC hypoid bevel gear grinding machine (we are also the first automobile gear manufacturer who imported the 275HG grinding machine in China). For the strict quality control, there are Sigma7 Gear Analysis Center, Gleason 600HTT CNC testing machine, Gleason 360T CNC testing machine, Klingelnberg T50 CNC testing Machine etc. Annually we can manufacture about 400,000 sets of Spiral Bevel Gears. Our products are mainly used in automobile industry such as MPV, SUV, high quality pickup truck & UTE and in mechanical industry & agricultural mechanical industry. With a good reputation, we are also supplier of Dana, ZF, Carraro, JMCG etc. We sincerely hope to c
