A process for the preparation of a coupling housing.

摘要

A torque transmitting structure for anautomatic transmission has an inner hub for rotatingthe structure and an outer annular shell. The annularshell has an internal radial spline portion, anexternal brake surface, a torque tube and an axiallyfacing drive connecting surface. The annular shell ismanufactured in a flow forming process, wherein acup-shaped blank is secured on a mandrel which has a shapecomplementary to the internal shape of the shell.Forming rolls engage the outer surface and are movedaxially relative to the mandrel in a manner to formthe desired outer contour of the shell. After theflow forming operation, the shell is removed from themandrel, the axial drive connection is formed by metalremoval and the hub is bonded to the shell.