Forging method for metallurgy mine vehicle wheel
A mine wheel and wheel bed technology, applied in the field of metallurgy, can solve the problems of easy cracks and low preheating temperature at the joint between the wheel flange and the wheel rim, and achieve the effects of saving materials and manpower, improving strength, and saving equipment occupation
Inactive Publication Date: 2019-02-15
沈劲松
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Problems solved by technology
[0003] Mining car wheels are common mechanical products in industrial and mining production. Most of them are produced by metal forming casting. In many years of practice, it is found that due to low mold preheating temperature and unreasonable structure, cracks are easy to occur at the joint between the wheel flange and the wheel rim. Therefore, it is necessary to develop a forging method for making metallurgical mine wheels, which can reduce cracks in metallurgical mine wheels during work, and at the same time, can save materials, reduce labor and equipment occupation
Method used
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Experimental program
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Effect test
Embodiment 1
[0027] A method for forging a metallurgical mine wheel, specifically comprising the following steps:
[0028] a. Blanking: the steel material is cut through the band saw gear bed, and the steel material is cut into a cylindrical blanking piece; the size specification of the blanking piece is The length is 160-170mm; then put the blanking piece into the heating furnace, the heating temperature of the heating furnace is 1100-1200°C, first put the heated blanking piece on the lower head of the first press, and the pressure is applied by the press , the upper heading head is pressed down, the material is divided into the blanking part, and the oxide scale generated during heating is removed at the same time, and the blanking part is upset into a pre-upsetting blank with a rim on the upper end surface;
[0029] b. Pendulum rolling: the pre-upsetting blanks are firstly subjected to annealing treatment, surface passivation treatment and lubrication treatment in sequence, and then th...
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Abstract
The invention discloses a forging method for a metallurgy mine vehicle wheel. The forging method comprises the following steps that (1) blanking and blank upsetting are conducted, and specifically blanking is conducted on round steel through a band sawing machine; (2) swing grinding forming is conducted, specifically a blanking-upsetting blank obtained in the step (1) is sequentially subjected toprimary surface passivation treatment, primary annealing treatment and a primary lubrication treatment processes first, and then the blanking-upsetting blank is put into a swing grinding machine for swing grinding; (3) turning machining is conducted, specifically drilling is conducted on a cold swing-grinding part obtained in the step (2), then rough turning, semi-finish turning and finish turningare conducted on the outer surface of the cold swing-grinding part sequentially, a conical turned part is obtained, and then the turned part is sequentially subjected to secondary annealing treatment, secondary surface passivation treatment and secondary lubrication treatment processes; (4) milling machining is conducted; (5) grinding machining is conducted; and (6) heat treatment is conducted, and specifically a ground part in the step (5) is subjected to cemented quenching to obtain a workpiece.
Description
technical field [0001] The invention relates to the field of metallurgical mines, in particular to a method for forging metallurgical mine wheels. Background technique [0002] With the continuous progress of society, metallurgy is the process and technology of extracting metals or metal compounds from ores, and using various processing methods to make metals into metal materials with certain properties. Metallurgical technologies mainly include pyrometallurgy, hydrometallurgy and Electrometallurgy, meanwhile, metallurgy has a long history of development in our country, from the Stone Age to the subsequent Bronze Age, and then to the large-scale development of modern iron and steel smelting, the history of human development has integrated the development of metallurgy, with the success of physical chemistry in metallurgy Application, metallurgy has moved from technology to science, so there is a metallurgical engineering major in universities. Metallurgy is a technology for ...
Claims
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IPC IPC(8): B23P15/00
CPCB23P15/00B23P2700/50
Inventor 沈劲松
Owner 沈劲松