公开(公告)号：US06203257B1

公开(公告)日：2001-03-20

申请号：US09406179

申请日：1999-09-24

申请人： David M. Fenocchi ,  Edward A. Tomayko ,  Richard C. Vaught

发明人： David M. Fenocchi ,  Edward A. Tomayko ,  Richard C. Vaught

IPC分类号： B23D3700

CPC分类号： B23D37/00 ,  Y10T409/400175

摘要： A method of forming a drive surface on an eccentric pin of a drive shaft for a scroll-type compressor is provided. First, an eccentric pin having an axis and a generally cylindrical outer surface disposed radially about the axis is provided. Next, a broaching tool having a machining face with a contour is provided. The contour may be a concave shallow bell-shaped curve. Finally, the drive surface is formed by engaging the outer surface with the machining face transverse to the axis. In this manner, the machining face forms a shape complementary to the contour on the eccentric pin thereby forming a slight crown on the drive surface. The broaching tool produces an adequate surface finish so that no subsequent machining operations to the drive surface are necessary.

摘要翻译： 提供了一种在涡旋式压缩机的驱动轴的偏心销上形成驱动面的方法。 首先，提供了具有轴线和径向地布置在轴线周围的大致圆柱形的外表面的偏心销。 接下来，提供具有轮廓的加工面的拉刀。 轮廓可以是凹形的浅钟形曲线。 最后，通过使外表面与横向于轴线的加工面接合而形成驱动表面。 以这种方式，加工面形成与偏心销上的轮廓互补的形状，从而在驱动表面上形成微小的凸起。 拉削工具产生足够的表面光洁度，使得不需要对驱动表面的后续加工操作。