Round hole plunger chip processing technology
A processing technology and round hole technology, applied in the field of round hole punch processing technology, can solve the problems of short service life of the punch and insufficient toughness of the core, and achieve the effect of improving the service life
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Embodiment 1
[0017] The round hole punch processing technology is divided into five steps. The alloy tool steel with the brand name Cr12MoV is selected as the processing rough material to manufacture the round hole punch. The processing technology includes the following steps: first perform (1) spheroidizing annealing: for cylindrical Cr12MoV steel Carry out spheroidizing annealing treatment, heat the punch blank to 700°C for 2h, then air cool to 650°C for 6h, and finally air cool to room temperature; Carry out turning processing, process the round hole punch blank, and leave a machining allowance; then perform (3) quenching: put the round hole punch blank in a quenching furnace and heat it to 860 ° C for 3 hours, and cool it to room temperature with oil; Carry out (4) tempering: put the quenched round hole punch blank into the tempering furnace and add it to 320 ° C, air cool to room temperature, and then use the CNC lathe to finish the round hole punch blank; finally carry out (5) Laser ...
Embodiment 2
[0019] The processing technology of the round hole punch is carried out in five steps. The alloy tool steel with the brand name Cr12MoV is selected to manufacture the round hole punch for the processing blank. The processing technology includes the following steps: firstly carry out (1) spheroidizing annealing: for the cylindrical Cr12MoV steel Carry out spheroidizing annealing treatment, heat the punch blank to 710°C for 2h, then air cool to 660°C for 6h, and finally air cool to room temperature; Carry out turning processing, process the round hole punch blank, and leave a machining allowance; then perform (3) quenching: put the round hole punch blank in a quenching furnace and heat it to 880 ° C for 3 hours, and cool it to room temperature with oil; Carry out (4) tempering: put the quenched round hole punch blank into the tempering furnace and add it to 340 ° C, air cool to room temperature, and then use the CNC lathe to finish the round hole punch blank; finally carry out (5...
Embodiment 3
[0021] The processing technology of the round hole punch is carried out in five steps. The alloy tool steel with the brand name Cr12MoV is selected to manufacture the round hole punch for the processing blank. The processing technology includes the following steps: firstly carry out (1) spheroidizing annealing: for the cylindrical Cr12MoV steel Carry out spheroidizing annealing treatment, heat the punch blank to 720°C for 2h, then air cool to 670°C for 6h, and finally air cool to room temperature; Carry out turning processing, process the round hole punch blank, and leave a machining allowance; then perform (3) quenching: put the round hole punch blank in a quenching furnace and heat it to 890 ° C for 3 hours, and cool it to room temperature with oil; Carry out (4) tempering: put the quenched round hole punch blank into the tempering furnace and add it to 360 ° C, air cool to room temperature, and then use the CNC lathe to finish the round hole punch blank; finally carry out (5...
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