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    • 14. 发明申请
    • A METHOD OF MEASURING WORKPIECES USING A SURFACE CONTACTING MEASURING PROBE
    • 使用表面接触测量探头测量工件的方法
    • WO1992020996A1
    • 1992-11-26
    • PCT/GB1992000906
    • 1992-05-19
    • RENISHAW METROLOGY LIMITEDMcMURTRY, David, Roberts
    • RENISHAW METROLOGY LIMITED
    • G01B21/04
    • G01B21/045G01B7/002
    • A method of measuring the position of a workpiece surface is disclosed which utilises an analogue probe which produces at least one output indicative of the amount of stylus deflection. The probe is driven by a machine towards the surface, and when contact is made the initial deflection signal triggers the machine controller to read simultaneously the outputs of the machine scales and the probe output at the time of the signal and at several further instants over a short time period before the machine is stopped. A computer then plots the relationship between the probe readings and the machine scale readings and extrapolates it back to the point at which the probe stylus deflection was zero. This gives an indication of the position of the stylus at the actual instant of contact. A further benefit is that, because the probe stylus remains in contact with the workpiece surface for a short time while readings are being taken, any inaccuracies introduced because of machine vibration can be averaged and thus reduced by plotting a best fit line through the recorded points.
    • 公开了一种测量工件表面位置的方法,该方法利用产生指示触针偏转量的至少一个输出的模拟探头。 探头由机器朝向表面驱动,当接触时,初始偏转信号触发机器控制器同时读取信号时的机器刻度和探头输出的输出,并在几个其他时刻通过 机器停机前的短时间。 然后,计算机绘制探针读数和机器刻度读数之间的关系,并将其推算回探针触针偏转为零的点。 这可以指示触针在实际接触时的位置。 另一个好处是,由于探针在读取数据时短时间内保持与工件表面接触,所以由于机器振动引入的任何不精确度可以被平均化,从而通过绘制最佳拟合线通过记录点来减少 。
    • 19. 发明申请
    • SYSTEM FOR DETECTING LINEAR DIMENSIONS OF MECHANICAL WORKPIECES, WITH WIRELESS SIGNAL TRANSMISSION UNITS
    • 用无线信号传输单元检测机械工件线性尺寸的系统
    • WO00070298A1
    • 2000-11-23
    • PCT/EP2000/004052
    • 2000-05-05
    • G08C23/04B23Q17/20G01B7/00G01B7/012G01B7/02
    • B23Q17/20G01B7/002G01B7/012G01B2210/58
    • A system for detecting linear dimensions of mechanical workpieces (1) includes a checking probe (4) with detecting devices (13), a power supply battery (12) and a remote transceiver unit (8), while a stationary transceiver unit (10) is located at a distance from probe (4) and adapted for wireless transmitting to the remote transceiver unit and wireless receiving from it signals, for example, coded optical signals. More specifically, the stationary unit transmits activation and/or deactivation signals to the probe circuits, and/or the return to a "stand-by" low power for controlling the full power supply of the probe consumption state. The remote transceiver unit includes devices (F2, A2, MF1) adapted for achieving an automatic sensitivity control and other attenuation devices (FA) for preventing unwanted consumption of the probe battery energy due to noise signals, arriving, for example, from fluorescent lamps and causing the improper activation or deactivation of the probe circuits.
    • 用于检测机械工件(1)的线性尺寸的系统包括具有检测装置(13),电源电池(12)和远程收发器单元(8)的检查探针(4),而固定收发器单元(10) 位于离探测器(4)一段距离处,适于无线发送到远程收发器单元,并从其接收信号,例如编码光信号。 更具体地,固定单元将激活和/或去激活信号发送到探针电路,和/或返回到“待机”低功率以控制探针消耗状态的全部电源。 远程收发器单元包括适于实现自动灵敏度控制的装置(F2,A2,MF1)和其它衰减装置(FA),用于防止由于例如从荧光灯到达的噪声信号引起的探针电池能量的不期望的消耗, 导致探针电路的不正确的激活或停用。