Machine tool with an angle spindle attachment

Details Machine tool with an angle spindle attachment Machine tool with an angle spindle attachment

1986-11-12

1988-01-19

Weidenfeld, Gil

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

29568, 409144, 409230, B23B 3126, B23Q 3155

Patent

active

047202211

ABSTRACT:
In a cutting machine tool, a spindle head rotatably carries a vertical tool spindle, and an angle spindle attachment is detachably mounted on the lower surface of the spindle head. The angle spindle attachment carries an attachment spindle adapted to receive a cutting tool holder and rotatable by the tool spindle about an axis inclined relative to the axis of the tool spindle. The attachment spindle incorporates therein a draw bar mechanism wherein a draw bar is axially rearwardly urged by the resilient force of springs. To advance the draw bar against the springs, the angle spindle attachment is provided with a push rod movable in a horizontal direction. A thrust direction converting mechanism is further provided in the angle spindle attachment to axially moves the draw bar when the push rod is axially moved by an unclamping device. The unclamping device has an actuation rod, which is horizontally moved by a cylinder device to effect the axial movement of the push rod. When a horizontal spindle attachment is mounted on the spindle head in place of the angle spindle attachment, the unclamping device also operates to move a push rod which pushes a draw bar of the horizontal spindle attachment.

REFERENCES:
patent: 31288 (1983-06-01), Matsuzaki et al.
patent: 2055258 (1936-09-01), McNeil
patent: 2408786 (1946-10-01), Lombardi
patent: 3150878 (1964-09-01), Budden et al.
patent: 3757637 (1973-09-01), Eich et al.
patent: 4538419 (1985-09-01), Yoshio Doi et al.
Catalog For Model HF-M Series Machining Centers From Shin Nippon Koki Kabushiki Kaisha, particularly, pp. 7 and 12.
Catalog For Models MCM and MCR Machining Centers From Okuma Machinery Works, Ltd., particularly, pp. 9 and 10.
Catalog For Model MCR-U Machining Center from Okuma Machinery Works, Ltd.

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