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改善弧齿锥齿轮齿面接触区,提高锥齿轮的啮合性能,是保证轮齿质量的关键。 1.零度弧齿锥齿轮接触区修正 与直齿锥齿轮相比,弧齿锥齿轮齿与齿的啮合状态好,轮齿强度高,重合度也可加大。它适于高速、高负载运转。近年来,不少用户为改善锥齿轮传动中的噪音和工作平稳性,常把机械传动中的直齿锥齿轮改为零度弧齿锥齿轮(以下简称零度齿)。过去使用12″铣齿刀盘切齿,接触区很难调整好。后来,我改用9″刀盘,计算调整卡切齿,调接触区,缩小了刀盘直径,使切出的齿形较12″刀盘切出的“弯”些,虽然齿中点螺旋角基本不变,但加大了齿小端和大端的螺旋角,使接触区由原来灵敏度高、难调变得较易调整。根据铣齿工反映,一套零度齿(三
Improving the contact area of spiral bevel gear and improving the meshing performance of bevel gear are the keys to ensure the quality of gear. 1. Zero spiral bevel gear contact area correction Compared with the straight bevel gear, spiral bevel gear teeth and teeth meshing state is good, tooth strength, coincidence can also be increased. It is suitable for high-speed, high-load operation. In recent years, many users to improve the bevel gear drive in the noise and job stability, often mechanical transmission in the straight bevel gear to zero degree spiral bevel gear (hereinafter referred to zero gear). In the past, it was difficult to adjust the contact area with a 12 “cutter tooth cutter, and later, I switched to a 9” cutter to calculate the adjustment teeth, adjust the contact area and reduce the diameter of the cutter so that the shape of the cutout was 12 Cutter “cut” some, although the tooth center point spiral angle basically unchanged, but increased tooth small end and large end of the helix angle, the contact area from the original high sensitivity, difficult to become easier to adjust. Reflected according to milling workers, a set of zero-tooth (three