Tool changing – Including machine tool or component – Rotary spindle machine tool
Patent
1993-05-04
1994-12-27
Briggs, William
Tool changing
Including machine tool or component
Rotary spindle machine tool
483 56, 483901, 901 41, B23Q 3155
Patent
active
053760620
ABSTRACT:
A robotic manufacturing unit with automatic tool changer, including a stand defining a working space and accommodating a working surface, an output member adapted to controllably move in three-dimensional space supported above the stand, a tool-holding and changing member attached to the output member and adapted to clampingly retain shanks of carriers of tools, a tool tray adapted to accommodate a plurality of tools mounted on tool carriers and, in coordination with the tool holding and changing member, to move from a position of rest, in which the tray is located outside of the working space, to a position of tool pickup and return, in which the tray is substantially located within the working space. The tool-holding and changing member and the shanks fit into one another and have non-circular cross-sections uniquely and reproducibly defining, when the shanks are clampingly retained, the relative angular positions of the tool-holding and changing member and the shanks.
REFERENCES:
patent: 4306350 (1981-12-01), Kearney
patent: 4358888 (1982-11-01), Zankl
patent: 4520550 (1985-06-01), Dunn et al.
patent: 4644635 (1987-02-01), Murai et al.
patent: 4648171 (1987-03-01), Yasukawa
patent: 4656727 (1987-04-01), Itoh
patent: 4725193 (1988-02-01), Sticht
patent: 4761877 (1988-08-01), Rupp
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