Flange producing technique
A production process and flange technology, which is applied in the field of flange production process, can solve problems affecting the dimensional accuracy and surface finish of flanges, reduce the service life and precision of turning tools, and reduce the service life of lathes, so as to save production equipment and performance Uniform, efficiency-enhancing effect
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[0024] Example one
[0025] A flange production process, including flange forging blanks and blank cutting forming, the steps are as follows:
[0026] a. After the raw material round bar is cut, it is heated in an electric furnace. A four-stage heating method is adopted. The heating temperature in the first stage is 800℃ and the time is 12s; the heating temperature in the second stage is 950℃ and the time is 26s; The heating temperature in the stage is 850℃ and the time is 16s; the heating temperature in the fourth stage is 730℃ and the time is 30s;
[0027] b. The heated raw material round bar is cooled to room temperature and put into a punch for forging into the required flange shape;
[0028] c. Then put it into the friction press, cold-extrusion on the mold to the basic size of the flange; then solution heat treatment to form the flange blank;
[0029] The solution heat treatment steps are as follows:
[0030] Heat the flange blank to 1010°C and then solid-solve it and keep...
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[0035] Example two
[0036] A flange production process, including flange forging blanks and blank cutting forming, the steps are as follows:
[0037] a. After the raw material round bar is cut, it is heated in an electric furnace. The heating adopts a four-stage heating method. The heating temperature in the first stage is 1150℃ and the time is 12s; the heating temperature in the second stage is 980℃ and the time is 22s; The three-stage heating temperature is 900℃ and the time is 14s; the fourth stage heating temperature is 740℃ and the time is 20s;
[0038] b. The heated raw material round bar is cooled to room temperature and put into a punch for forging into the required flange shape;
[0039] c. Then put it into the friction press, cold-extrusion on the mold to the basic size of the flange; then solution heat treatment to form the flange blank;
[0040] The solution heat treatment steps are as follows:
[0041] Heat the flange blank to 1150°C and then solid-solve it and k...
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