Document Type and Number:
Japanese Patent JPH0583334
Kind Code:
B2
Abstract:
A numerically controlled machine tool capable of milling and turning operations has a continuously rotatable first spindle (10) to which is releasably secured a work holder (50). A rotationally positionable second spindle (20) has releasably secured thereto a tool holder (60). For turning operations, the second spindle (20) is locked against rotation and has secured thereto a tool holder (60) having a turning tool (61), the workpiece (51) being held by the work holder (50) on the first spindle (10). For milling operations, the second spindle (20) is unlocked, the work holder (50) is secured to the second spindle (20), and a tool holder (60) with a milling tool (61A) therein is secured to the first spindle (10). The changeover of work and tool holders is done by a transfer mechanism (40), which takes appropriate holders (60), as well as work blanks, from a magazine system (30). In a modification the second spindle (20) is also adapted for continuous rotation, and the first spindle (10) is lockable against rotation so that the workpiece (51) is always held on the second spindle (20), for machining by milling or turning tools on the first spindle (10).
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Inventors:
MAKUMAATORII DEIBITSUDO ROBAATSU
Application Number:
JP50097683A
Publication Date:
November 25, 1993
Filing Date:
March 10, 1983
Export Citation:
Assignee:
RENISHAW PLC
International Classes:
B23B3/30; B23B31/117; B23B31/18; B23B31/20; B23B31/26; B23C7/02; B23P23/02; B23Q1/00; B23Q3/157; B23Q7/04; B23Q37/00; B23Q39/00; (IPC1-7): B23Q1/00; B23B3/30; B23P23/02
Domestic Patent References:
| JPS513068A | 1976-01-12 |
Foreign References:
| US3477121A | 1969-11-11 |
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