论文部分内容阅读
当前在制造船用柴油机凸轮时,必须提高凸轮轮廓精度和解决表面波纹、烧损和裂纹等问题,本文对此问题进行了探讨。凸轮磨削时,圆周速度切线分量是变化的,在升程曲线部分出现峰值,这是导致该部分出现轮廓误差的重要原因。峰值引起的单位磨量急剧增加,产生了局部裂纹和烧伤。文中着重阐述圆-非圆齿轮传动机构实现非匀速传动的问题,在传动分析中作了一定简化,但不影响加工精度。这种结构简单而又紧凑,在凸轮磨床改装时也不影响总的布局。
At present, when manufacturing a marine diesel engine cam, it is necessary to improve the accuracy of the cam profile and solve the problems of surface corrugation, burning and cracking, etc., and the problem is discussed in this paper. Cam grinding, the circumferential speed of the tangent component is changing, the peak part of the curve of the lift, which led to the outline of the important part of the error. Peak wear caused by a sharp increase in units, resulting in local cracks and burns. This paper focuses on the round - non-circular gear transmission mechanism to achieve non-uniform transmission problems in the transmission analysis made a certain simplification, but does not affect the machining accuracy. This structure is simple and compact, does not affect the overall layout of the cam grinder modification.