Method and structure for preventing grinding machine main shaft abrasion

Abstract

The invention discloses a method for preventing grinding machine main shaft abrasion. According to the method, each of the oil seal positions at the two ends of a main shaft is provided with an abrasion resisting sleeve so that the main shaft can be isolated from seal rings, and the abrasion resisting sleeves rotate relative to the seal rings along with the main shaft. The invention further discloses a structure for preventing grinding machine main shaft abrasion through the method. After the abrasion resisting sleeves are abraded, direct abrasion resisting sleeve replacement is conducted, main shaft oil seal position abrasion can be effectively prevented, the service life of the main shaft is greatly prolonged, the situation that the production takt is influenced due to frequent main shaft replacement is avoided, and cost expense is reduced.

Description

technical field [0001] The invention relates to the technical field of grinding machines, more specifically, it relates to a method and structure for preventing wear of the main shaft of the grinding machine. Background technique [0002] Grinding machine is a kind of high-precision processing equipment, which is widely used in the manufacturing industry. The surface roughness of the processed products can reach Ra0.63~Ra0.32, and the high-precision grinding machine can process the roughness of Ra0.01. Grinding machine spindle is the main part of grinding machine, which has high rotation precision, good structural rigidity and high manufacturing cost. The main shaft and the bearing bush are lubricated and cooled by the oil in the main shaft box, and the oil is sealed by the sealing rings on the flanges at both ends of the main shaft box and the oil sealing position on the outer circle of the main shaft. Because the sealing ring is fixed, the main shaft rotates relative to t...

AI Technical Summary

Problems solved by technology

Because the sealing ring is fixed, the main shaft rotates relative to the sealing ring to cause friction. The sealing ring can be replaced directly after it is worn out. Continuous friction will shorten the service life of the main shaft. Generally, the main shaft is used for about three years normally. If it is too deep, the oil cannot be sealed and oil leakage will occur, which will waste oil and pollute the environment. At this time, a new spindle must be replaced to solve the oil leakage problem. Replacing a new spindle is a lot of work and time-consuming, and frequent replacement of the spindle will Seriously affect the production rate and increase more costs

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