Aluminum-magnesium alloy pattern ring for radial tire active mold

Abstract

The invention relates to an aluminum magnesium alloy pattern ring of a radial tire segmented mold. The production method of the aluminum magnesium alloy pattern ring comprises the steps that the pattern ring comprises the components in percentage by weight as follows: 99.80% of pure aluminum, 0.003% of copper, 0.01% of magnesium, 0.002% of zinc, 0.003% of silicon, 0.001% of manganese and 0.001% of titanium alloy powder T15.2; a gas melting furnace is used, and pure aluminum is put into a graphite crucible for warming and melting; the temperature is raised to 950 DEG C, copper wires and a manganese agent in the proportion are put into melted pure aluminum; the temperature is lowered to 730 DEG C, magnesium, zinc, silicon, and the titanium alloy T15.2 powder in the proportion are put into an aluminum alloy; and after refining and deslagging, aluminum magnesium alloy liquid is poured into a model fitted with pattern blocks for natural solidification cooling through casting ladle pouring and gravity casting, the mold is opened, punching is performed, and the plaster model is removed, so that tire pattern blocks meeting the requirements are obtained. Compared with other commonly-used aluminum, the produced aluminum magnesium alloy pattern ring has the benefits that a novel casting tire mold pattern ring (block) aluminum material with high stability and reliability is used, the energy is saved, and the cost is reduced.

Description

technical field [0001] The invention relates to the manufacture of a tire mold aluminum tread circle, in particular to an aluminum-magnesium alloy tread circle of a radial tire active mold. Background technique [0002] As a leader in the tire industry, radial tires are widely valued by people for their characteristics of wear resistance, high speed, comfort and fuel economy. Radial tires are the standard to measure the technical modernization level of a country's automobile tire industry, and have become the development direction of the automobile tire industry in today's world. As a special mold for tire vulcanization, the radial tire joint mold is made of 35# cast steel forging, aluminum-silicon alloy, aluminum-magnesium alloy, etc. In recent years, with the continuous improvement of the technological level, more and more aluminum-magnesium alloy casting pattern blocks have been used. AC7A aluminum-magnesium alloy is currently the most respected aluminum for molds in the...

AI Technical Summary

Problems solved by technology

The Japanese brand is AC7A, the American 514.2 and the German ALMg5. The domestic ZL302 is close to it in terms of chemical composition and mechanical properties. Aluminum alloy, poor casting performance, difficult process, unstable product quality

[0003] The main problems of the domestically produced tire mold aluminum pattern ring (block) are: the cast aluminum alloy is easy to change, there are needle voids and casting defects, the mold is not resistant to sandblasting, and the service life is short, which causes the cost of the tire company to increase.