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    • 1. 发明授权
    • Method and apparatus for performing a rotary broaching operation
particularly on work pieces of rotational symmetry
    • 用于进行旋转拉削操作的方法和装置,特别是在旋转对称的工件上
    • US4799839A
    • 1989-01-24
    • US109932
    • 1987-10-16
    • Garri BersteinHans W. ObrigHelmut WittkoppHermann Wolters
    • Garri BersteinHans W. ObrigHelmut WittkoppHermann Wolters
    • B23D37/14B23D37/00B23D43/06
    • B23D37/005B23D2043/063Y10T409/109222Y10T409/400175Y10T409/404375Y10T409/4077
    • Work pieces, especially of rotational symmetry, are machined in a rotary broaching operation. The machine tool for this purpose has a tool carrier carrying a plurality of cutting edges arranged on a curved path in a radial work piece plane. In order to reduce down-time and to simplify the construction of the broaching apparatus, the insertion of a work piece blank into the apparatus and the removal of a finished work piece from the apparatus are preferably performed without interrupting the motions of a tool carrier. For this purpose the tool carrier is provided with a zone which is free of cutting tool edges. This tool free zone of the tool carrier is located downstream of the last cutting edge as viewed in the rotational direction of the tool carrier. This feature avoids the need for a return stroke of the tool carrier. Accordingly, respective return slides and return controls are also obviated. The apparatus is equipped with angular sensing devices for ascertaining the angular positions of the tool carrier at the beginning and at the end of a work cycle to provide respective control signals for the insertion and removal of a work piece in the zone without cutting edges and to start a new work cycle when a work piece blank is inserted into the machine tool.
    • 特别是旋转对称的工件在旋转拉削操作中加工。 用于该目的的机床具有工具载体,该工具载体承载布置在径向工件平面中的弯曲路径上的多个切削刃。 为了减少停机时间并且简化拉削装置的结构,优选在不中断工具架的运动的情况下执行将工件坯料插入设备中并从设备中取出成品工件。 为此,刀具架设有无切削刀刃的区域。 刀具架的无刀具区域位于刀具架的旋转方向观察的最后切削刃的下游。 该功能避免了刀架的返回行程的需要。 因此,也避免了各自的返回幻灯片和返回控件。 该装置配备有角度感测装置,用于在工作周期的开始和结束时确定工具架的角度位置,以提供用于在没有切割边缘的区域中插入和移除工件的相应控制信号,并且 当工件坯件插入机床时,开始新的工作循环。
    • 4. 发明授权
    • Method for compensating irregularities caused by roll eccentricities
    • 用于补偿由滚动偏差引起的不正当现象的方法
    • US5077997A
    • 1992-01-07
    • US603475
    • 1990-10-25
    • Hermann WoltersSiegfried Latzel
    • Hermann WoltersSiegfried Latzel
    • B21B37/18B21B37/66G05D5/03
    • B21B37/66
    • A method and an arrangement for regulating the thickness of rolled strip utilizing the gauge meter method and for compensating irregularities caused by roll eccentricities, wherein the size of the roll gap, the rolling force and the stand modulus are taken into consideration. The method includes separating a disturbance signal due to the eccentricities of rolls from an actual rolling force signal, identifying the disturbance signal obtained in this manner by determining its transmission function, subsequently computing the regulating parameters in dependence upon the determined disturbance signal transmission function and with the aid of a regulating synthesis method. A compensation signal is determined from the disturbance signal and the corresponding regulating parameters in an adaptive regulator for compensating the irregularities due to eccentricities. The compensation signal is introduced in a position regulating circuit.
    • 考虑到使用量规计方法来调节轧制带材厚度并补偿由辊偏心引起的不规则性的方法和装置,其中考虑到轧辊间隙的大小,轧制力和轧机模数。 该方法包括:将来自滚动体的偏心的干扰信号与实际的滚动力信号分开,通过确定其传递函​​数来识别通过这种方式获得的干扰信号,随后根据所确定的干扰信号传递功能计算调节参数, 辅助调节合成方法。 根据干扰信号和自适应调节器中相应的调节参数确定补偿信号,以补偿由于偏心引起的不规则性。 补偿信号被引入位置调节电路。