Gear thermal precision forging machining process adopting carburizing steel 20CrMnTi as material
A technology of carburizing steel and gears, which is applied in the field of hot precision forging of gears, can solve problems such as long production cycle, product quality defects, and high material deformation resistance, and achieves overcoming stress concentration and easy broken teeth, improving utilization rate and The effect of improving production efficiency and comprehensive mechanical properties of materials
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Embodiment 1
[0011] A gear precision forging method using carburizing steel 20CrMnTi as material, the gear material contains the following percentages: Pb: 0.05%, Si: 0.10%, C: 0.1%, Cr: 0.9%, Ti: 0.04%. In addition to this, it also contains a certain amount of controllable impurities such as S and P. The processing technology adopted: hot precision forging processing technology, the steps are as follows: (1) Upsetting and drawing out the bar: Upsetting the bar of the above material, firstly thickening the bar in the axial direction: thickening the bar along the axial direction to become a flat After the round shape, the billet is drawn out, and the oblate forging is drawn into a rectangular parallelepiped with a square cross section. After the pier is thickened to a cube, the forging is turned over 90 "for direction-changing forging, and the pier is thickened into a cylinder. During the upsetting process, heating is required. Uniform, so that the deformation is uniform, and the upsetting ...
Embodiment 2
[0013] A gear precision forging method using carburizing steel 20CrMnTi as the material, the gear material contains the following percentage content: Pb: 0.10%, Si: 0.17%, C: 0.17%, Cr: 1.10%, Ti: 0.08%. In addition to this, it also contains a certain amount of controllable impurities such as S and P. The processing technology adopted: hot precision forging processing technology, the steps are as follows: (1) Upsetting and drawing out the bar: Upsetting the bar of the above material, firstly thickening the bar in the axial direction: thickening the bar along the axial direction to become a flat After the round shape, the billet is drawn out, and the oblate forging is drawn into a rectangular parallelepiped with a square cross section. After the pier is thickened to a cube, the forging is turned over 90 "for direction-changing forging, and the pier is thickened into a cylinder. During the upsetting process, heating is required. Uniform, so that the deformation is uniform, and t...
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