Turning – Severing or cut-off – Interrelated means for tool infeed and circumrotation
Patent
1988-04-18
1989-02-21
Rowan, Kurt
Turning
Severing or cut-off
Interrelated means for tool infeed and circumrotation
408 35, 29 485R, 74817, B23B 2900
Patent
active
048054976
ABSTRACT:
An externally indexable turret-like device is provided, for use particularly with a lathe, screw machine, automatic machining center or the like, in which the indexable turret-like device cooperates with an external index member mounted on the machine to effect tool-indexing movements. In a principal illustrated embodiment, the index member is fixed to the headstock of the turning machine. The indexable turret is mounted on the tool-holding slide, which is movable by numerically controlled motors or the like. When indexing is desired, the tool support is moved to and into pressure contact with the fixed index member, which mechanically actuates the device through one index position. The device is then returned, by means of the programmed numerical control arrangement, to a cutting position. The new device may constitute a simplified form of turret, or (more typically) it may be mounted in one of the cutting tool positions on a conventional turret device of a turret lathe, for example, or it may be used as one of the exchangeable tools in an automatic machining center. In all cases, it greatly increases the tool selection or utilization capacity of the equipment at an extremely modest expense. conventional turret
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Rowan Kurt
The Dunham Tool Co., Inc.
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