Gear cutting – milling – or planing – Milling – Including means to infeed rotary cutter toward work
Patent
1998-07-24
2000-12-19
Howell, Daniel W.
Gear cutting, milling, or planing
Milling
Including means to infeed rotary cutter toward work
408234, 409202, 409235, B23C 102
Patent
active
061619957
ABSTRACT:
A machine tool is structured enhance rigidity of a slide member opposing to a cutting force acting on a tool spindle with no extra increase in weight, thereby intending to lighten the slide member. The machine tool comprises a tool spindle rotating around an axis extending along an Z-axis, a slide member slidable in at least one of the X-axis, Y-axis and Z-axis directions and a guide apparatus having a straight rail and movably supporting the slide member on the guide rail and disposed such that three supporting points for supporting the slide member form vertexes of a triangle as seen from the X-axis direction. Further, in another construction, two sets of linear guide mechanism and a linear motor for guiding each of an upper portion and a lower portion of a gantry are respectively disposed between a lower surface of the gantry and a base, and between a front surface of a cross beam and an upper back surface of the gantry, so that the cross beam does not lap over the upper surface of the gantry.
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Iida Wataru
Machida Kazuo
Takeuchi Katsuhiko
Wakazono Yoshio
Howell Daniel W.
Toyoda Koki Kabushiki Kaisha
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