B - Operations – Transporting – 23 – Q
Patent
B - Operations, Transporting
23
Q
B23Q 11/12 (2006.01) B23Q 1/00 (2006.01) B23Q 11/10 (2006.01)
Patent
CA 2316557
The present invention prevents coolant from leaking out of a valve means (23) alter a supply pump (4) stops supplying the coolant, and diminishes a time-lag between the onset of supplying the coolant and mist generation, when the supply pump (4) starts supplying the coolant again. In the machine tool of this invention, the coolant is supplied from a coolant supply pump (4) into a mist generator (13) provided on the tip of a spindle (8) by way of a coolant supply line (7), and a valve means (23) is provided at an inflow part for coolant of the mist generator (13) to be closed when the coolant pressure within the coolant supply line (7) lowers below a fixed level. A means (2) sucks a fixed amount of coolant in the coolant supply line (7), when the coolant supply pump (4) stops supplying the coolant. On the other hand, the means (2) supplies a fixed amount of coolant into the coolant supply line (7), when the coolant supply pump (4) begins supplying the coolant.
Kobayashi Takashi
Sugata Shinsuke
Gowling Lafleur Henderson Llp
Horkos Corp.
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