Manufacturing method of ball-milling tank capable of bearing high pressure and resisting abrasion,
A manufacturing method and technology of ball milling pots, which are applied in grain processing and other fields, can solve the problems that ball milling pots cannot have both wear resistance and pressure resistance, and achieve the effects of improving impact resistance, reducing production costs, and increasing service life
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Embodiment 1
[0028] Embodiment 1: The manufacturing method of the ball mill jar, the processing process includes: forging, isothermal spheroidizing annealing, machining, quenching plus low temperature tempering, rough grinding and grinding; the isothermal spheroidizing annealing process is: heating to 780 ° C Insulate for 4 hours, then cool to 720°C with the furnace for 6 hours; the vacuum quenching and low temperature tempering process is: heating to 660°C for 30 minutes, then rising to 850°C for 30 minutes, oil cooling to room temperature, and finally heating to 160°C for 120 minutes and then cooled to room temperature. It is in a vacuum state before oil cooling at 850°C, and high-purity nitrogen is filled at the beginning of oil cooling to a pressure of 8×10 4 Pa.
Embodiment 2
[0029] Embodiment 2: The manufacturing method of the ball mill jar, the processing process includes: forging, isothermal spheroidizing annealing, machining, quenching plus low temperature tempering, rough grinding and grinding; the isothermal spheroidizing annealing process is: heating to 780 ° C Insulate for 4 hours, then cool to 720°C with the furnace for 6 hours; the vacuum quenching and low temperature tempering process is: heating to 660°C for 30 minutes, then rising to 850°C for 10 minutes, oil cooling to room temperature, and finally heating to 160°C for 120 minutes and then cooled to room temperature. It is in a vacuum state before oil cooling at 850°C, and high-purity nitrogen is filled at the beginning of oil cooling to a pressure of 8×10 4 Pa.
Embodiment 3
[0030] Embodiment 3: The manufacturing method of the ball mill jar, the processing process includes: forging, isothermal spheroidizing annealing, machining, quenching plus low temperature tempering, coarse grinding and grinding; the isothermal spheroidizing annealing process is: heating to 800 ° C Insulate for 3 hours, then cool to 720°C with the furnace for 4 hours; the vacuum quenching and low temperature tempering process is: heating to 660°C for 30 minutes, then rising to 860°C for 30 minutes, oil cooling to room temperature, and finally heating to 160°C for 120 minutes and then cooled to room temperature. It is in a vacuum state before oil cooling at 860°C, and high-purity nitrogen is filled at the beginning of oil cooling to a pressure of 8×10 4 Pa.
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Abstract
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