The method of customizing automotive bearings involves multiple stages, from design, material selection to manufacturing processes, all of which require precise control. The following is a general process for customizing automotive bearings:
1、 Design phase
Requirement analysis: Clarify the usage environment, load requirements, speed range, temperature conditions, etc. of the bearings to ensure that the designed bearings can meet practical application needs.
Drawing design: Use CAD (computer-aided design) software to draw detailed drawings of bearings, including dimensions, shapes, and assembly relationships of internal and external rings, rollers (or balls), retainers, and other components.
Adjust design parameters such as inner diameter, outer diameter, width, number of rollers, contact angle, etc. according to requirements to achieve optimal performance and lifespan.
Simulation analysis: Using CAE (Computer Aided Engineering) software for mechanical analysis, thermal analysis, etc., to predict the performance of bearings under different working conditions, ensuring the rationality and reliability of the design.
2、 Material selection
Choose high-quality raw materials, such as bearing steel (such as GCr15, SUJ2, etc.), which have excellent wear resistance, fatigue strength, and corrosion resistance.
According to specific requirements, it may be necessary to choose materials with special properties, such as high temperature resistance, low temperature resistance, or corrosion resistance.
3、 Manufacturing process
Processing inner and outer rings: Precision forging, precision cold extrusion, or turning methods are used to process inner and outer rings that meet design requirements.
Perform heat treatment to improve the hardness and wear resistance of the material, while eliminating processing stress.
Perform grinding processing to obtain high-precision dimensions and surface roughness.
Processing rollers (or balls): By cold heading, heat treatment, grinding and other processes, rollers or balls that meet the requirements are processed.
Processing the retaining frame: According to the design drawings, the retaining frame is processed by stamping, casting, or injection molding methods.
Assembly: Assemble the processed inner and outer rings, rollers (or balls), and retainers to form a complete bearing.
During the assembly process, it is necessary to strictly control the assembly accuracy to ensure the rotational flexibility and load-bearing capacity of the bearings.
4、 Quality inspection
Conduct comprehensive quality inspection on customized automotive bearings, including size measurement, performance testing (such as rotational resistance, vibration noise, etc.), and durability testing.
Ensure that the quality of the bearings meets the design requirements and relevant standards.
5、 Optimization and Adjustment
Based on the results of quality inspection and customer feedback, optimize and adjust the design, material selection, or manufacturing process of bearings.
Continuously improve product performance and enhance customer satisfaction.
In summary, customizing automotive bearings is a comprehensive process that requires consideration of multiple aspects such as design, materials, craftsmanship, and quality. Through precise design, high-quality materials, and advanced manufacturing processes, automotive bearings with excellent performance and high reliability can be customized.