The processing of the main parts of the bearing

Core tips: 1. The processing of the ferrule: the processing of the inner ring and the outer ring of the bearing differs depending on the raw material or the form of the blank. The process before the machining can be divided into the following three types, the whole process
 1. The processing of the ferrule: The processing of the inner and outer rings of the bearing varies according to the raw material or the form of the blank. The process before the machining can be divided into the following three types. The whole processing process is: bar or pipe material (Some bars need to be forged and annealed, normalized)----Car processing----heat treatment----grinding----finishing or polishing----final inspection of parts---- Anti-rust----into the warehouse----(to be combined with the package)

    2. The processing of the steel ball, the processing of the steel ball also varies according to the state of the raw material, wherein the process before the frustration or the photosphere can be divided into the following three types, the process before the heat treatment, and can be further divided into the following Two kinds, the whole processing process is: bar material or wire cold punching (some bars need to be punched and annealed after cold pressing)----frustration, rough grinding, soft grinding or light ball----heat treatment- --- Hard grinding----fine grinding----finishing or grinding----final inspection group----rust prevention, packaging----into the warehouse <to be combined with the package>.

    3. The processing of the roller during the processing of the roller varies according to the raw material. The process before the heat treatment can be divided into the following two types. The whole processing process is as follows: the bar processing or the cold rolling of the wire after the string ring and the soft grinding ----Heat treatment----string soft point----grinding outer diameter----grinding end face----finishing end face----fine grinding outer diameter----finishing outer diameter ---- Final inspection group----rust prevention, packaging----into the warehouse (to be combined with the package).

    4. Processing of the cage The processing of the cage can be divided into the following two categories depending on the design structure and raw materials:

    (1) Sheet → shear → punching → stamping forming → shaping and finishing → pickling or shot peening or stringing → final inspection → rust prevention, packaging → storage (to be combined)
    (2) Processing process of solid cage: The processing of solid cage varies according to raw materials or gross damage. The following four types of blanks can be divided into the following processing: The bar is Pipe, forgings, castings----car inner diameter, outer diameter, end face, chamfering----drilling (or pulling holes, boring)----pickling----final inspection---- Anti-rust, packaging----into the warehouse. The processing of the main parts of the bearing
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Core tips: 1. The processing of the ferrule: the processing of the inner ring and the outer ring of the bearing differs depending on the raw material or the form of the blank. The process before the machining can be divided into the following three types, the whole process
 1. The processing of the ferrule: The processing of the inner and outer rings of the bearing varies according to the raw material or the form of the blank. The process before the machining can be divided into the following three types. The whole processing process is: bar or pipe material (Some bars need to be forged and annealed, normalized)----Car processing----heat treatment----grinding----finishing or polishing----final inspection of parts---- Anti-rust----into the warehouse----(to be combined with the package)

    2. The processing of the steel ball, the processing of the steel ball also varies according to the state of the raw material, wherein the process before the frustration or the photosphere can be divided into the following three types, the process before the heat treatment, and can be further divided into the following Two kinds, the whole processing process is: bar material or wire cold punching (some bars need to be punched and annealed after cold pressing)----frustration, rough grinding, soft grinding or light ball----heat treatment- --- Hard grinding----fine grinding----finishing or grinding----final inspection group----rust prevention, packaging----into the warehouse <to be combined with the package>.

    3. The processing of the roller during the processing of the roller varies according to the raw material. The process before the heat treatment can be divided into the following two types. The whole processing process is as follows: the bar processing or the cold rolling of the wire after the string ring and the soft grinding ----Heat treatment----string soft point----grinding outer diameter----grinding end face----finishing end face----fine grinding outer diameter----finishing outer diameter ---- Final inspection group----rust prevention, packaging----into the warehouse (to be combined with the package).

    4. Processing of the cage The processing of the cage can be divided into the following two categories depending on the design structure and raw materials:

    (1) Sheet → shear → punching → stamping forming → shaping and finishing → pickling or shot peening or stringing → final inspection → rust prevention, packaging → storage (to be combined)
    (2) Processing process of solid cage: The processing of solid cage varies according to raw materials or gross damage. The following four types of blanks can be divided into the following processing: The bar is Pipe, forgings, castings----car inner diameter, outer diameter, end face, chamfering----drilling (or pulling holes, boring)----pickling----final inspection---- Anti-rust, packaging----into the warehouse.

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Bearing knowledge

Core Tip: Bearing knowledge 1, bearing maintenance In order to maintain the original performance of the bearing in good condition for as long as possible, maintenance, overhaul, in order to prevent accidents, to ensure the reliability of operation,
Bearing knowledge
1, bearing maintenance
In order to maintain the original performance of the bearing in a good condition for as long as possible, it is necessary to maintain, repair, and prevent accidents, ensure the reliability of operation, and improve productivity and economy.
Maintenance is best carried out on a regular basis in accordance with the operating standards for the mechanical operating conditions. The content includes monitoring of operating conditions, replenishment or replacement of lubricants, and periodic disassembly inspections.
As a maintenance item during operation, there are bearing rotation sound, vibration, temperature, lubricant state, and the like.
2, bearing overhaul
Cleaning of the bearing: When disassembling the lower bearing for inspection, first record the appearance of the bearing, confirm the residual amount of the lubricant, and then wash the bearing after sampling the lubricant for inspection. As a cleaning agent, a cleaning agent or kerosene is generally used.
The cleaning of the removed bearings is divided into coarse cleaning and fine cleaning. They are placed in the container respectively, and the metal mesh bottom is placed first so that the bearing does not directly contact the container. In rough cleaning, if the bearing is rotated with dirt, it will damage the rolling surface of the bearing and should be noted. In the rough cleaning oil, use a brush to remove the grease and the adhesive. After it is almost clean, it is transferred to the fine wash.

Fine washing is to carefully clean the bearing while rotating it in the cleaning oil. In addition, the cleaning oil should always be kept clean.

Bearing inspection and judgment: In order to judge whether the removed bearing can be used, it should be checked after the bearing is cleaned. Check the raceway surface, the rolling surface, the state of the mating surface, the wear of the cage, the increase of the bearing clearance, and the damage and abnormality that are irrelevant in dimensional accuracy. For non-separable miniature ball bearings, use one hand to support the inner ring horizontally and rotate the outer ring to check if it is smooth.
Separate bearings such as tapered roller bearings can be inspected separately for the rolling surfaces of the rolling elements and the outer ring.
Large bearings cannot be rotated by hand. Pay attention to the appearance of rolling elements, raceways, cages, and ribs. The higher the importance of bearings, the more careful inspection is required.
3, the choice of bearing
Summary of bearing selection:
The market requirements for various mechanical devices and instruments using rolling bearings are becoming increasingly stringent, and the conditions and performance required for bearings are becoming increasingly diverse. In order to be able to select the most suitable bearing from among a large number of structures and sizes, it is necessary to study from various angles. When selecting a bearing, generally considering the bearing arrangement as a shaft system, the ease of mounting and dismounting, the space allowed for the bearing, the size, and the marketability of the bearing, the bearing structure is roughly determined. Secondly, the bearing dimensions are determined while comparing the design life of various machines using bearings and the various endurance limits of the bearings. When selecting a bearing, it is often preferred to consider only the fatigue life of the bearing. The grease life, wear, noise, etc., which occur due to aging of the grease, also need to be fully studied. Furthermore, depending on the application, it is necessary to select a bearing that is specially designed for accuracy, clearance, cage structure, grease, and the like. However, there is no order or rule for selecting bearings. It is especially practical to consider the conditions, performance, and most relevant requirements for the bearings.

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