Heat treatment of rotary bearing tracks and gears

For mechanical products, rotary bearings are an essential part, but sometimes we find that it is not flexible. If it is not flexible, then it will have a lot of trouble when using it and will not be able to do a good job, today, everyone should share the causes and solutions of stuck rotation or movement inflexible.

1. The rotary bearing gear is deformed or stuck due to movement, or the broken teeth are not flexible. Corresponding solution: Repair the gear and re-weld the gear.

2. There is a problem with the sealing system of the slewing support, which can lead to jamming or insensitive action leading to debris entering, such as stones, sand, etc. The solution: Remove all clutter.

3. Overload operation leads to inflexible movement of slewing bearing. Solution: Need to work less.

4. The position of rotary bearing is not uniform. Corresponding solution: Need to change the platform position and work in a flat position.

5. The lubricating oil of the rotary bearing is insufficient, and the friction caused by the increase of lubricating oil and the increase of resistance will cause insensitive movement. Solution: Add lubricating oil of the same specification or replace all lubricating oil.

After knowing the causes and solutions for the stiffness of the slewing bearing, we don't have to worry about this situation anymore. For users, in addition to understanding these knowledge, they also need to understand the use of slewing bearing precautions and related maintenance methods.

Rotary bearings are known as "mechanical joints" in the machinery industry. They are the original mechanical drives necessary for two objects to rotate relative to each other to withstand axial forces, radial forces and overturning moments.

Heat treatment of the track and gear of the slewing support:

The raceway of the slewing support is subjected to surface induction quenching treatment to ensure the quenching hardness of HRC55 ~ 62 to obtain enough deep hardening layer.

Because of the need to drive, rotary bearings are usually made of a ring. The heat treatment state of the gear is usually normal or quenched and tempered. The tooth surface can also be quenched according to user requirements, and the quenching hardness is HRC50 ~ 60, which can ensure sufficient depth. According to different applications, gear hardening can be divided into full tooth hardening and single tooth induction hardening. Single tooth induction hardening can be divided into tooth surface root hardening and tooth surface hardening.

Rotate bearings to adapt to temperature and working environment:

Rotary bearings can work at a temperature of -300C ~ 700C. Users need slewing supports that are suitable for lower or higher temperatures. Our company can carry out special design. Rotary bearings are used in particularly harsh environments, such as Marine climates, dust or abrasive particles, dust, cement, pulverized coal, etc. Special seals, protective devices and suitable oil stains must be used. Therefore, in order for your support to work properly, do routine maintenance and maintenance work.

Slewing supports can be used in different industries, but in all cases there is damage to the slewing support, and damage has been found in the slewing support, but I don't know where. Only a full autopsy will reveal the cause of the injury. The following editor will describe how to remove the slewing support.

When the slewing support is removed, the outer ring of the slewing support is connected to the vehicle, the inner ring is connected to the vehicle, the seals on the slewing support are clean and tidy, the equipment is separated by the crane, and the screws and bolts on the bearing are removed. After removing the steel ball and sleeve, check the steel ball and sleeve. If there is a crack or damage on the isolation sleeve, please replace it in time, and check whether the steel ball is clean and viewed in the sun. You can clearly see if there are pits or pits on the surface of the ball.

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