1. The cutting machine of grinding wheel is used for blanking. The cutting machine is used for blanking.

2. Electric furnace was used for heating, the furnace temperature was (450±10) ℃, and the heating duration was 136min.

3. Die forging Die forging equipment is 6300kN friction press. First, flatten the blank to H=24mm on the upsetting table of the forging die, and then flatten the blank in the groove for die forging, and underpress 2 ~ 3mm.

4. The temperature of the heating furnace is (450±10) ℃, and the heating and holding time is 30min (second fire).

5. Die forging press to size.

6. The temperature of the heating furnace is (450±10) ℃, and the heating time is 10-15min.

7. Keen edge

8. Pickling shall be carried out in accordance with general pickling technological procedures.

9. The heat treatment shall be quenched and artificially aged according to the heat treatment process regulations.

10. Pickling shall be carried out in accordance with general pickling technological procedures.

11. Forging repair

12. Forgings inspection: 100% inspection of material brand, appearance and surface quality; 100% hardness check (HB≥140); Low power examination.