| 摘要 |
A grinding machine is disclosed comprising a main frame, a wheelhead, a worktable (16), a headstock (12) and tailstock (14) carried by the worktable (16). A computer is supplied with data indicative of at least one operational parameter of the grinding proces, and the wheelfeed is under the control of signals generated by the computer. Two small diameter grinding wheels (22, 24) are mounted on two parallel spindels mounted on a support member (32) and are independently driven by two motors (28, 30) mounted at the other ends of the spindles. The support member (32) is pivotally joined to the wheelhead. The headstock (12) includes a workpiece drive (20) for rotating the workpiece during a grinding, and its speed of rotation is also controlled by signals generated by the computer. The length of the spindles positions each of the motors (28, 30) axially clear of the tailstock assembly when the wheels (22, 24) are aligned to engaged regions of a workpiece nearest to the headstock (22).
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