Method for Forging Blank of Locomotive Transmission Disk
A technology of drive disc and blank, which is applied in the directions of wheels, vehicle parts, transportation and packaging, etc., can solve the problems of reducing the service life of the drive disc of the machine, reducing the comprehensive mechanical performance of the product, and high cost of blank manufacturing. High dimensional stability and reduced man-hours
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[0040] See Figure 5 Shown, the method for forging locomotive transmission plate blank of the present invention, carries out according to the following steps.
[0041] ⑴, blanking.
[0042] Select the raw material of the required material, such as carbon steel or alloy steel, and cut the blank 3 according to the weight. Image 6 The blank 3 shown can greatly improve the utilization rate of raw materials.
[0043] ⑵, heating.
[0044] Put the billet 3 into the heating furnace and heat it to 1100°C-1180°C to reduce the yield stress of the billet after heating. Forging and final forging are formed, and the three ear parts 7-1 of the forging blank can be formed full, so that the dimensions of the forging blank can be stabilized within the tolerance range.
[0045] ⑶ Pre-forging.
[0046] The pre-forging of the present invention adopts the combination of open forging die and free forging. See Figure 7-11 As shown, the heated blank 3 is put into the lower cavity of the pre-f...
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