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N型外摆线锥齿轮是奥林康(Oerlikon)公司几种齿型中使用最普遍的一种齿型,它的加工螺旋角为29°～45°,法向模数为2.1～8.5mm。齿轮受载后接触区向中心移动。目前,我国对外摆线齿轮的理论和加工方法研究得还比较少。然而,这种齿轮在瑞士、西德、法国、苏联和东欧一些国家使用得非常广泛。我国从西德、日本、苏联和罗马尼亚等国家进口的机械设备中采用这种齿轮很多。笔者收集了有关资料并对N型外摆线锥齿轮进行了测绘计算。介绍如下。
N-type eccentrically conical bevel gears are the most commonly used types of gears available from Oerlikon. They have a helix angle of 29 ° to 45 ° and a normal modulus of 2.1 to 8.5 mm . After the gear is loaded, the contact area moves toward the center. At present, the research on the theory and processing methods of cycloidal gear in our country is still relatively small. However, this kind of gear is widely used in Switzerland, West Germany, France, the Soviet Union and some countries in Eastern Europe. China uses a lot of gear from machinery imported from countries like West Germany, Japan, the Soviet Union and Romania. The author collected the relevant information and carried out mapping calculation of the N-type external bevel gear. Introduced as follows.