Manufacturing method of high-precision longitudinal shearing disc cutter
A manufacturing method and disc cutter technology, which is applied in the field of tool processing, can solve the problems of short life, poor toughness, and the inability of the abrasive composition to meet the requirements of flatness and high precision, and achieve the effect of avoiding scratches and good finish
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Embodiment 1
[0034] Embodiment one: a kind of manufacturing method of high-precision slitting disc cutter, comprises the following steps:
[0035] Step 1. Material selection. Alloy structural steel forgings are selected as the material of the slitting disc cutter. First, the rectangular blank is cut into a rectangular blank with a length of 230mm and a width of 230mm, and then the cut rectangular blank is placed in a heating furnace and heated to 1250°C. The heating rate is 12-16°C / min. After the temperature rises to 1250°C, it is kept for 110-130 minutes. After the heat preservation is completed, it is forged out of the furnace and forged into a forged blank with a thickness of 11mm, a length of 230mm, and a width of 230mm. The weight of each component of the blank The percentages are: C: 1.45%, Si: 0.40%, Mn: 0.15%, S: 0.030%, P: 0.030%, Cr: 3.80%, Ni: 0.30%, V: 1.75%, Mo: 4.50%, W: 5.50%, the rest is Fe and unavoidable impurities.
[0036] Step 2. Annealing treatment of the forged blan...
Embodiment example 2
[0056] A method for manufacturing a high-precision slitting disc cutter, comprising the following steps:
[0057] Step 1. Material selection. Alloy structural steel forgings are selected as the material of the slitting disc cutter. First, the rectangular blank is cut into a rectangular blank with a length of 230mm and a width of 230mm, and then the cut rectangular blank is placed in a heating furnace and heated to 1250°C. The heating rate is 12-16°C / min. After the temperature rises to 1250°C, it is kept for 110-130 minutes. After the heat preservation is completed, it is forged out of the furnace and forged into a forged blank with a thickness of 11mm, a length of 230mm, and a width of 230mm. The weight of each component of the blank The percentages are: C: 1.60%, Si: 0.20%, Mn: 0.30%, S: 0.020%, P: 0.020%, Cr: 4.20%, Ni: 0.10%, V: 2.10%, Mo: 5.00%, W: 6.15%, the rest is Fe and unavoidable impurities.
[0058] Step 2. Annealing treatment of the forged blank: put the forged bl...
Embodiment example 3
[0077] Implementation Case 3: A manufacturing method of high-precision slitting disc cutters, comprising the following steps:
[0078] Step 1. Material selection. Alloy structural steel forgings are selected as the material of the slitting disc cutter. First, the rectangular blank is cut into a rectangular blank with a length of 230mm and a width of 230mm, and then the cut rectangular blank is placed in a heating furnace and heated to 1250°C. The heating rate is 12-16°C / min. After the temperature rises to 1250°C, it is kept for 110-130 minutes. After the heat preservation is completed, it is forged out of the furnace and forged into a forged blank with a thickness of 11mm, a length of 230mm, and a width of 230mm. The weight of each component of the blank The percentages are: C: 1.70%, Si: 0.40%, Mn: 0.40%, S: 0.030%, P: 0.030%, Cr: 4.40%, Ni: 0.30%, V: 2.20%, Mo: 5.50%, W: 6.75%, the rest is Fe and unavoidable impurities.
[0079]Step 2. Annealing treatment of the forged blan...
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