Reducer is a power transmission mechanism, the use of gear speed converter, the number of motor rotation to reduce the number of rotation, and get a larger torque mechanism.

Reducer is to reduce the output speed, increase the effect of output torque. The nominal transmission ratio of the reducer is the ratio of the rotational speed of the input shaft (motor) to the output shaft (rotary kiln). Auxiliary motor, auxiliary reducer to see the use function, Reducer or rotary kiln load too big, play a role in power, or rotary kiln idling (load is very small), without the main reducer can be driven.

The reducer is mainly composed of transmission parts (gears or worms), shafts, bearings, boxes and accessories. Its basic structure has three parts: 1. Gear, shaft and bearing combination pinion and shaft, called gear shaft, this structure is used for gear diameter and the diameter of the shaft is not related to the case, Reducer if the diameter of the shaft is D, gear tooth root circle diameter of DF, then when df-d鈮6~7mn, should adopt this structure. When DF-D>6~7MN is used, the gear and shaft are separated into two parts, such as low-speed shafts and large gears. At this point the gear and the axis of the circumferential fixed flat key joints, shaft parts using the shaft shoulder, Reducer sleeve and bearing cover for axial fixed. Deep groove ball bearings are used in both axes. This combination is used to withstand radial loads and minor axial loads. When the axial load is large, the combined structure of angular contact ball bearing, tapered roller bearing or deep groove ball bearing and thrust bearing should be adopted. Reducer The bearings are lubricated with a thin oil that is splashed when the gears are rotated. The lubricating oil in the tank seat is splashed into the inner wall of the lid by the rotating gear, and flows into the bearing through the guide oil trough after the inner wall is poured into the box-side groove. When the oil-immersed gear circumference speed 蠀鈮2m/s, should use lubricating grease lubrication bearings, in order to avoid the possibility of splashing dilute oil washed off the grease, Reducer can be separated by the oil retaining ring. In order to prevent the loss of lubricating oil and the outside dust into the box, the bearing end cover and the outer extension shaft are fitted with a sealing element.

The function of the reducer

1 reduce the output torque at the same time, torque output proportional to the motor output by the deceleration ratio, but pay attention to can not exceed the rated torque reducer.

2 speed reduces the inertia of the load at the same time, and the inertia is reduced to the square of the deceleration ratio. Reducer You can look at the general motor has a value of inertia.

Type of reducer

The general Reducer has helical gear reducer (including parallel shaft helical gear reducer, worm gear reducer, bevel gear reducer, etc.), planetary gear reducer, cycloid reducer, worm gear reducer, Reducer planetary friction mechanical stepless speed-changing machine and so on.

Types of common Reducer

1 The main characteristics of the reducer is the reverse self-locking function, can have a larger deceleration ratio, the input shaft and output axis is not on the same axis, nor on the same plane. But the general volume is larger, the transmission efficiency is not high, the precision is not high.

2 Harmonic drive is the use of flexible components controllable elastic deformation to transfer movement and power, small size, high precision, but the disadvantage is the flexible wheel life is limited, Reducer not withstanding impact, stiffness and metal parts is poor. The input speed cannot be too high.

3 Planetary Reducer Its advantages are relatively compact structure, small return clearance, high precision, long service life, rated output torque can do a great deal. Reducer But the price is slightly higher.