| 摘要 |
An internal abrasive machine abrades material from an inner surface of a workpiece. The machine includes a casing rotated about a first axis, with a workpiece rotated therewith about the first axis. A housing is disposed coaxially inside of the casing, and a shaft is mounted eccentrically in the housing. The casing and housing are angularly movable relative to one another. A drivable spindle is mounted in the shaft, the spindle carrying an abrasive tool. The spindle is offset eccentrically with respect to the first axis and carries an abrasive tool disposed inside the workpiece. A motor is provided to produce relative angular movement between the housing and the shaft to displace the spindle laterally with respect to the first axis and into contact with the inner surface of the workpiece. |
