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1. 发明授权

US4190143A Method and devices for safety for mechanical presses 失效
标题翻译：机械压力机安全的方法和装置
公开(公告)号：US4190143A
公开(公告)日：1980-02-26
申请号：US865191
申请日：1977-12-28
申请人： Naoki Orita
发明人： Naoki Orita
IPC分类号： B30B15/28 , F16D21/08 , F16D67/02 , F16P3/00
CPC分类号： B30B15/288
摘要： This disclosure relates to a method and apparatus for facilitating safe operation of mechanical presses. The press includes a press ram mounted on a crank shaft and adapted for reciprocatory movement along a vertical path between uppermost and lowermost points on the path. A motor is provided for turning the crank shaft through 360 degrees rotation including an upper dead center position. The press further includes main clutch and brake means for disconnecting the crank shaft from the motor and stopping the ram at the uppermost point of its path of travel after completion of a stroking cycle. At this point the crank shaft is at its upper dead center position. The press also includes an auxiliary clutch which is operatively connected in series with the main clutch and which is normally engaged for transmitting power from the motor to the crank shaft. The auxiliary clutch will be automatically disengaged if the crank shaft unintentionally rotates past its upper dead center position upon completion of a stroking cycle of the ram, thereby preventing a hazardous double stroke upon failure of the main clutch or the like.
摘要翻译：本公开涉及一种便于机械压力机的安全操作的方法和装置。压力机包括安装在曲轴上的压力机压头，适于沿着路径上的最高点和最下点之间的垂直路径的往复运动。提供电动机，用于使曲轴通过包括上死点位置的360度旋转。压力机还包括主离合器和制动装置，用于在曲柄循环完成之后，将曲柄轴与电动机断开并且在其行进路径的最上点停止冲头。此时曲柄轴处于上死点位置。压力机还包括辅助离合器，其与主离合器串联操作地连接并且通常被接合以将动力从电动机传递到曲轴。如果在完成冲压冲程循环后曲柄轴无意中转动超过其上止点位置，辅助离合器将自动脱开，从而防止主离合器等故障时的双重冲程。

2. 发明授权

US4774392A Laser cutting method for high chromium steel and a device to carry out that method 失效
标题翻译：高铬钢的激光切割方法和一种执行该方法的装置
公开(公告)号：US4774392A
公开(公告)日：1988-09-27
申请号：US723875
申请日：1985-04-16
申请人： Naoki Orita
发明人： Naoki Orita
IPC分类号： B08B15/04 , B23K26/14 , B23K26/40 , B23K35/22 , B23K26/00
CPC分类号： B08B15/04 , B23K26/144 , B23K26/40 , B23K35/228 , B23K2203/04 , B23K2203/05 , B23K2203/50
摘要： The present invention relates to a method and device for cutting a workpiece made from a high chromium material such as stainless steel. The device comprises a processing head to irradiate and focus a laser beam onto a workpiece, a nozzle connected to the processing head for spraying and assisting gas onto the workpiece, a storage tank for storing a carbonate, and an orifice device for drawing carbonate from the storage tank so that it may be fed into the nozzle and sprayed onto the workpiece with the assisting gas. The addition of carbonate to the assist gas prevents excess dross from adhering to the cut surface of the workpiece.
摘要翻译：本发明涉及一种用于切割由诸如不锈钢的高铬材料制成的工件的方法和装置。该装置包括用于将激光束照射并聚焦到工件上的处理头，连接到处理头的喷嘴，用于喷射和辅助气体到工件上的喷嘴，用于储存碳酸盐的储罐和用于从碳酸盐中吸收碳酸盐的孔装置储存罐，使得其可以被供给到喷嘴中并用辅助气体喷射到工件上。向辅助气体中添加碳酸盐可以防止多余的渣滓附着在工件的切割面上。

3. 发明授权

US4427873A Method and apparatus for aligning axes of assisting gas nozzles with laser beam axes in laser processing machines 失效
标题翻译：在激光加工机中将辅助气体喷嘴的轴与激光束轴对准的方法和装置
公开(公告)号：US4427873A
公开(公告)日：1984-01-24
申请号：US359302
申请日：1982-03-18
申请人： Naoki Orita , Toshiyuki Matsumoto
发明人： Naoki Orita , Toshiyuki Matsumoto
IPC分类号： B23K26/00 , B23K26/02 , B23K26/04 , B23K26/14 , B23K26/42 , B23K27/00
CPC分类号： B23K26/042 , B23K26/1435 , B23K26/1436 , B23K26/1462 , B23K26/147 , B23K26/702
摘要： A method of and apparatus for aligning the axis of an assisting gas nozzle with a laser beam axis using a test piece in apparatus which uses a laser to process workpieces is disclosed in which the laser beam is arranged to pass through the assisting gas nozzle, and pierce the test piece. The test piece is held by a holder which includes a pressure detector which measures the pressure of the assist gas flowing through the hold pierced in the test piece. The assisting gas nozzle is adjusted in a plane perpendicular to the axis of the laser beam to obtain a maximum pressure value, which indicates that the axis of the assisting gas nozzle and the axis of the laser beam are in alignment with each other.
摘要翻译：公开了一种使用激光加工工件的设备中的使用试验片将辅助气体喷嘴的轴线与激光束轴线对准的方法和装置，其中激光束被布置成通过辅助气体喷嘴，并且刺穿测试片。测试件由保持器保持，该保持器包括压力检测器，该压力检测器测量流过穿过测试件的保持架的辅助气体的压力。辅助气体喷嘴在与激光束的轴线垂直的平面中进行调节，以获得最大压力值，其表示辅助气体喷嘴的轴线和激光束的轴线彼此对准。

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