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    • 33. 发明申请
    • CONTROL SYSTEM OF MACHINE TOOL
    • 机床控制系统
    • US20160089759A1
    • 2016-03-31
    • US14860779
    • 2015-09-22
    • FANUC Corporation
    • Yuuki MORITADaisuke TAJIMA
    • B23Q15/08G05B19/404B23Q17/00
    • F16H61/46B23Q15/12B23Q17/008B23Q17/0985F16H61/42G05B19/404
    • A control system of a machine tool with a rotary type spindle and a feed axis which generates feed motion of the spindle, comprising a current detecting part which detects a current through a spindle motor for driving the spindle, a temperature detecting part which detects a motor temperature, a remaining time estimating part which uses a predetermined maximum allowable temperature and a detected temperature value by the temperature detecting part as the basis to estimate a remaining time until the motor temperature would reach the maximum allowable temperature on the assumption that the detected current value by the current detecting part at the time of the detected temperature value would continue to flow through the spindle motor, and a feed speed changing part which changes speed of the feed motion in accordance with the estimated value of the remaining time.
    • 一种具有旋转型主轴和进给轴的机床的控制系统,其产生主轴的进给运动,包括检测通过主轴电机驱动主轴的电流的电流检测部,检测电动机的温度检测部 温度,使用预定的最大容许温度的剩余时间估计部分和温度检测部分的检测温度值作为基准,以估计直到电机温度达到最大允许温度的剩余时间,假设检测到的电流值 通过检测温度值时的电流检测部分将继续流过主轴电动机;以及进给速度改变部,其根据剩余时间的估计值改变进给运动的速度。
    • 38. 发明申请
    • MACHINE TOOL HAVING INSPECTION FUNCTION FOR DETERIORATED STATE OF SPINDLE
    • 具有主轴状态检测功能的机床工具
    • US20160297043A1
    • 2016-10-13
    • US15096319
    • 2016-04-12
    • FANUC Corporation
    • Yuuzou INAGUCHI
    • B23Q17/00G08B21/18B23Q3/157
    • B23Q17/008B23Q3/157G08B21/187G08B25/08
    • In order to make it possible to inspect a deteriorated state of a spindle incorporated in a machine tool without disassembling the machine tool, a command for speed V0 is output to the spindle and, when the rotating speed of the spindle reaches V0, power of a spindle motor is interrupted and a timer is started. The spindle continues to rotate with inertia while decelerating. Time T clocked by the timer when the spindle speed decreases to zero is read. When time T is outside a range between the upper and lower limits, the spindle is in the deteriorated state, and an alarm is output. When time T is not greater than the lower limit, the spindle and a bearing of the spindle are deteriorated and friction resistance increases. When time T is larger than the upper limit, oil holding force of grease of the bearing is deteriorated.
    • 为了能够在不拆卸机床的情况下检查装配在机床中的主轴的劣化状态,将速度V0的指令输出到主轴,并且当主轴的转速达到V0时, 主轴电机中断,定时器启动。 减速时主轴继续旋转惯性。 读取主轴转速降至零时由定时器计时的时间T。 当时间T超出上限和下限之间的范围时,主轴处于劣化状态,并输出报警。 当时间T不大于下限时,主轴和主轴的轴承变差并且摩擦阻力增加。 当时间T大于上限时,轴承的润滑脂的油保持力变差。
    • 39. 发明申请
    • AUTOMATIC GREASING DEVICE FOR CHUCK IN CRANKSHAFT MILLER
    • CRANKSHAFT MILLER用于卡车的自动加油装置
    • US20150224618A1
    • 2015-08-13
    • US14422925
    • 2013-06-21
    • KOMATSU NTC LTD.
    • Nobuyuki WakabayashiMasumi Shimomura
    • B23Q11/12B23C3/06B23Q17/09F16N29/02B23B31/16
    • B23Q11/122B23B31/16B23B31/16258B23B31/16262B23B2215/20B23B2231/24B23B2270/28B23C3/06B23C2215/20B23C2250/12B23Q17/008B23Q17/0995F16N29/02Y10T409/304032
    • To provide an automatic chuck greasing device in a crankshaft miller capable of ensuring chuck greasing without missing its timing and preventing failure to remove excess grease by wiping. In a crankshaft miller (1) which cuts, using a rotary cutter (7), a workpiece (2) held by a chuck (3), the automatic greasing device includes: a grease supply device (25) for supplying grease to sliding parts inside a chuck (3) including one between a chuck body (3a) and a chuck jaw (3b) in response to a greasing command signal outputted by a greasing command signal output unit (35) which has received a rotary cutter replacement command signal as a trigger signal from a rotary cutter replacement command signal output unit (33); and a notification means (30a, 30b) for notifying that a cutter (7) needs replacement in response to a notification command signal outputted by a notification command signal output unit (36) which has received the rotary cutter replacement command signal as the trigger signal from a rotary cutter replacement command signal output unit (33).
    • 在曲轴铣刀中提供自动卡盘润滑装置,其能够确保卡盘润滑而不会错过其正时,并且防止通过擦拭而不能除去多余的润滑脂。 在使用旋转刀具(7)切割由卡盘(3)保持的工件(2)的曲轴铣刀(1)中,所述自动润滑装置包括:润滑脂供给装置(25),用于向滑动部 响应于已经接收到旋转切割器替换命令信号的加脂指令信号输出单元(35)输出的加脂指令信号,包括在卡盘体(3a)和卡盘卡爪(3b)之间的卡盘(3)内, 来自旋转刀具更换指令信号输出单元(33)的触发信号; 以及通知装置(30a,30b),用于响应于已经接收到所述旋转刀具替换命令信号的通知命令信号输出单元(36)输出的通知命令信号通知切割器(7)作为触发信号 来自旋转刀具更换指令信号输出单元(33)。