Square steel forging and pressing process
A process and steel forging technology, applied in the direction of metal extrusion, manufacturing tools, metal processing equipment, etc., can solve the problems of many hot forging processes, poor workpiece precision, decarburization and burning loss, etc., to reduce the number of drawing times and improve the quality of finished products The effect of high efficiency and reducing thermal stress
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[0032] The invention provides a square steel forging process, which comprises the following steps:
[0033] 1) prepare square steel heating curve figure, the abscissa of described square steel heating curve figure is heating time, and ordinate is heating temperature:
[0034] 1.1) Select different steel types and obtain their own heating characteristics;
[0035] 1.2) According to the heating characteristics of different steel grades obtained in step 1.1), the furnace inlet temperature, initial forging temperature and furnace discharge temperature of different steel grades are determined;
[0036] 1.3) Determine the heating time of different steel types during forging;
[0037] 1.4) Draw the heating curves of different steel types with the abscissa as the heating time and the ordinate as the heating temperature.
[0038] 2) According to the square steel heating curve obtained in step 1), the square steel is subjected to heat treatment:
[0039] 2.1) The furnace temperature ...
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