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Natural advantages of low chromium ball and its appearance inspection steps

Release time:2021-03-24     Views

1、 Natural advantages:

1. The low chromium ball surface is not smooth and the strength is not symmetrical, resulting in a high rate of out of roundness in the whole grinding process;

2. Loose inside of low chromium ball: because of pouring, the internal structure of the ball is strong, and the crushing rate is high and the fracture toughness is small in the whole process of application. The larger the ball and the larger the ball mill, the greater the probability of crushing;

3. The fracture toughness of the low chromium ball is less than one fourth of that of the forged ball;

4. Not suitable for wet grinding: the wear resistance of low chromium ball lies in the magnesium content. The higher the chromium content is, the more wear-resistant it is. However, the characteristic of chromium element is easy to be eroded, and the higher the chromium content is, the easier it is to be eroded, especially the sulfur in iron ore. based on the wet grinding standard, the application of chromium ball will increase the cost and reduce the production

2、 Appearance process inspection:

The key of low chromium ball appearance inspection includes the inspection of surface scratch, corrosion, surface black spot and so on. Steel ball processing technology: stamping die - smooth grinding - heat treatment - hard grinding - appearance - fine grinding - Cleaning - anti rust treatment - finished product packaging. Low chromium ball is the key component of rolling bearing, and it is also the turnover body widely used in rolling bearing manufacturing industry. The quality of steel ball endangers the quality of rolling bearing immediately.

The post manufacturing process of low chromium ball, including full-automatic ball cleaning, full-automatic appearance inspection (full-automatic removal of unqualified products), full-automatic anti rust treatment, counting and packaging, are all important factors endangering the quality of steel ball. Steel ball appearance inspection is the whole process of steel ball production.

On:Steel ball high chromium ball manufacturers introduce mineral processing knowledge to you

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