Forging forming -- English · 2023年11月1日 0

Testing methods and standards for bearing ring forgings

Bearing ring forging is an important part of mechanical equipment, its quality is directly related to the performance and life of the equipment. In order to ensure the quality of bearing ring forgings, it is necessary to adopt the corresponding testing methods and standards to carry out strict testing. This paper will introduce the testing methods and standards of bearing ring forgings to ensure that the quality and performance of the products meet the requirements.

Bearing ring forgings may be affected by a variety of factors in the manufacturing process, such as raw material quality, production process, equipment accuracy, etc., which may lead to defects in the forgings or do not meet the design requirements. Through testing, these problems can be found in time to avoid unqualified products entering the market and ensure the safe and reliable operation of equipment.

Appearance detection: First of all, check the appearance of bearing ring forgings to see if there are cracks, burrs, oxidation and other surface defects. Appearance inspection is an important means to judge the quality of forgings.
Size detection: Using measuring instruments to accurately measure the size of bearing ring forgings, including diameter, thickness, inner and outer diameter roundness, etc. Dimensional inspection can ensure that the forgings meet the design requirements and ensure the accuracy of the fit with other parts.
Internal quality testing: The use of non-destructive testing technology, such as ultrasonic testing, X-ray testing, etc., to check the internal quality of bearing ring forgings. These detection methods can find cracks, pores, inclusions and other defects inside the forging to ensure the inherent quality of the forging.
Surface quality detection: surface roughness meter, hardness meter and other equipment are used to detect the surface quality of bearing ring forgings. These tests can understand the surface roughness, hardness and other performance indicators of the forging, and judge its wear resistance and fatigue resistance.

The testing standards for bearing ring forgings are usually divided into A, B, and C grades. Grade A products have the highest requirements, and the performance indicators of forgings must strictly meet the design requirements; B-grade product requirements are moderate, allowing some indicators to deviate from the design requirements within a certain range; C-grade products have relatively low requirements and are mainly used in some non-critical parts. Different grades of products also differ in price and application scope, so customers can choose the right grade according to actual needs.

During the testing process, the accuracy and reliability of the testing equipment should be ensured, and the equipment calibration and maintenance should be carried out regularly to ensure the accuracy of the testing results.
Strictly implement testing standards to ensure that every bearing ring forgings have gone through a complete testing process to prevent missed detection or misjudgment.
For unqualified products, traceability and cause analysis should be carried out in time to find out the problem and improve it to avoid the same problem from appearing again.

The testing methods and standards of bearing ring forgings are of great significance to ensure product quality and performance. By adopting appropriate testing methods and following strict testing standards, defects and problems of forgings can be found in time to ensure that products meet the design requirements and provide guarantees for the safe and reliable operation of equipment. Therefore, in the production and application process of bearing ring forgings, full attention should be paid to the testing link, improve product quality level, meet market demand, and promote the sustainable development of the industry.