Method and production line for forging forged piece of automobile rear axle driving spiral bevel gear
A technology for automobile rear axles and forgings, which is applied to vehicle parts, railway car body parts, transportation and packaging, etc. It can solve the problems of lower material utilization rate, high number of strikes, rough surface of blanks, etc., and achieve the effect of mold clamping good, high production efficiency, and improved working conditions
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[0046] The present invention will be further described below in conjunction with the embodiments, but the present invention is not limited to the following embodiments.
[0047] One. Forging method of driving screw bevel gear forging of automobile rear axle
[0048] Forgings such as active spiral bevel gears of automobile rear axle figure 1 As shown, the forging is divided into three parts: head, middle, and rod. The head size includes diameter D1: 0~100mm, diameter D2: 0~60mm, slope A1: 0~20°; the middle size includes diameter D1: 0~100mm, diameter D3: 0~50mm, slope A2: 0~20°, chamfer R1: 0~10mm; rod size includes diameter D3: 0~50mm, diameter D4: 0~50mm, slope A3: 0~10°; total length of forging L1: 0~300mm, total length of rod L2: 0~200mm. The forging is forged by two processes of roll forging blank and final forging forming.
[0049] 1. Roll forging billet process:
[0050] Install four sets of roll forging dies with grooves on the horizontal roll forging machine, such as Figu...
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