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    • 2. 发明授权
    • Method and device for obtaining calibration data of mechanical press, and load display device for mechanical press
    • 用于获得机械压力机的校准数据的方法和装置,以及用于机械压力机的负载显示装置
    • US06535825B1
    • 2003-03-18
    • US09631831
    • 2000-08-03
    • Shinji Okano
    • Shinji Okano
    • G07L100
    • B30B15/14B30B1/265B30B15/0094
    • When obtaining load displaying calibration data, first, a reference die height position (a) where a load (F) of a mechanical press (1) comes to minimum load value (Fa) is sought as well as a reference die height position (f) where the load (F) comes to maximum load value (Ff). Then a plurality of intermediate die height positions (b . . . e) are selected between these reference die height positions (a) and (f). Subsequently, a load is imposed on the mechanical press (1) at each of the die height positions (a . . . f) and a pressure sensor (33) senses peak oil pressures (Pa . . . Pf) corresponding to the respective die height positions (a . . . f). Thereafter, relative relationships between load values (Fa . . . Ff) corresponding to the die height positions (a . . . f) and the peak oil pressures (Pa . . . Pf) are obtained as a characteristic curve (B).
    • 当获得负载显示校准数据时,首先寻求机械压力机(1)的负载(F)达到最小负载值(Fa)的参考模具高度位置(a)以及参考模具高度位置(f )其中负载(F)达到最大负载值(Ff)。 然后在这些参考管芯高度位置(a)和(f)之间选择多个中间管芯高度位置(b。)。 随后,在每个模具高度位置(a.f)上对机械压力机(1)施加负载,并且压力传感器(33)感测对应于相应模具的峰值油压(Pa.p.Pf) 高度位置(a。。f)。 此后,获得与模头高度位置(a.f.)对应的载荷值(Fa。Ff)与峰值油压(Pa.p.Pf)之间的相对关系作为特性曲线(B)。
    • 9. 发明授权
    • Method and device for measuring working force of mechanical press
    • 用于测量机械压力机工作力的方法和装置
    • US06457370B1
    • 2002-10-01
    • US09556523
    • 2000-04-21
    • Shinji Okano
    • Shinji Okano
    • G01N300
    • G01L5/0076B30B15/284
    • Pressurized oil is charged into a hydraulic chamber (12) formed within a slide (3) of a mechanical press (1). relationship between a working force (F) during a press working and a pressure (P) of the pressurized oil is preliminarily measured for every predetermined initial pressure of the pressurized oil. A computer (33) stores the measured results as a plurality of pressurizing characteristics (A1), (A2) and (A3). The computer (33) stores through a pressure sensor (27), a pressure of the pressurized oil while a press working is not performed, as a preload pressure (Pa1). And it stores a maximum pressure of the pressurized oil during the press working as a peak pressure (Pb1). It further selects a pressurizing characteristic (A1) corresponding to the preload pressure (Pa1) from among the plurality of pressurizing characteristics and thereafter calculates a working force (F1) based on the selected pressurizing characteristic (A1) and the peak pressure (Pb1).
    • 加压油被装入形成在机械压力机(1)的滑动件(3)内的液压室(12)中。 对于加压油的每个预定的初始压力,预先测定压力加工时的加压力(F)与加压油的压力(P)之间的关系。 计算机(33)将测量结果存储为多个加压特性(A1),(A2)和(A3)。 计算机(33)通过压力传感器(27)存储加压油的压力,而不进行冲压加工,作为预压力(Pa1)。 并且它在压力加工期间存储加压油的最大压力作为峰值压力(Pb1)。 从多个加压特性中进一步选择与预压力(Pa1)对应的加压特性(A1),然后基于所选择的加压特性(A1)和峰值压力(Pb1)来计算加压力(F1)。