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    • 6. 发明申请
    • METHOD AND APPARATUS FOR CONTROLLING DEBURRING ROBOT
    • 控制机器人的方法和装置
    • WO1994029776A1
    • 1994-12-22
    • PCT/JP1994000930
    • 1994-06-08
    • HAMURA, MasayukiAZTUMA, Kenji
    • G05B19/403
    • G05B19/4163B25J9/1684G05B19/425G05B2219/36495G05B2219/45151G05B2219/49078G05B2219/49083G05B2219/49094G05B2219/49099G05B2219/49392
    • In a process of moving the tip of a deburring tool from a point P1 to a point P2 on a work, if the deburring tool encounters a large burr, the cutting resistance increases abruptly near a point P'1. When the resistance exceeds a predetermined threshold value Xth, the robot causes the deburring tool to detour in the direction in which the cutting resistance becomes smaller, and brings the tip of the tool to a point Q from the point P'1. After that, the robot controls the deburring tool to move the tip from the point Q1 to the point P2 (pattern I). In moving the tip from the point Q1 to point P2, if the cutting resistance again exceeds the threshold value, the robot executes the detouring in the same manner (patterns II and III). Unless such a large burr is encountered, the moving speed of the tool is controlled at a value corresponding to the cutting resistance.
    • 在将去毛刺工具的尖端从点P1移动到工件上的点P2的过程中,如果去毛刺工具遇到大的毛刺,则切割阻力在点P'1附近突然增加。 当电阻超过预定阈值Xth时,机器人使去毛刺工具在切割阻力变小的方向上弯曲,并使工具的尖端从点P'1到达点Q。 之后,机器人控制去毛刺工具将尖端从点Q1移动到点P2(图案I)。 在将尖端从点Q1移动到点P2时,如果切割阻力再次超过阈值,则机器人以相同的方式执行迂回(图案II和III)。 除非遇到这样大的毛刺,否则刀具的移动速度被控制在与切削阻力相对应的值。
    • 8. 发明授权
    • Numerical control apparatus
    • 数控装置
    • US5095440A
    • 1992-03-10
    • US457165
    • 1989-12-26
    • Tomohiro SuzukiYasushi Fukaya
    • Tomohiro SuzukiYasushi Fukaya
    • G05B19/4093G05B19/18
    • G05B19/182G05B2219/49365G05B2219/49377G05B2219/49392
    • A numerical control apparatus is characterized by a structure in which: a machining program stores the final shape of a work as well as the shape of a material; designates the outermost point (an apex) on the work in a direction opposing a cutting direction as a cutting reference point; sets linear lines which are respectively lowered from the cutting reference point by cutting depths, and obtains the inter-sections of the lines and the material shape. The intersections thus obtained are classified into points where the tool enters the work zone and points where the tool emerges from the work zone, so that the tool can be moved at a predetermined cutting rate for a cutting operation between the point where it enters and the point where it emerges from the work zone while it is moved at a rapid traverse rate between the emerging point and the point where it re-enters the work zone. These operations are repeated until the tool touches the final machining shape, whereupon the tool is moved along the final machining shape at the predetermined cutting rate and cutting depth. In this manner, the cutting tool is prevented from idle operations in the feed zones where the material does not exist and the machining time can be reduced effectively.
    • 数值控制装置的特征在于:加工程序存储工件的最终形状以及材料的形状; 以与切割方向相反的方向将工件上的最外点(顶点)指定为切割基准点; 设置通过切割深度从切割参考点分别降低的线性线,并获得线和材料形状的截面。 这样获得的交点被分类成工具进入工作区域并且工具从工作区域出来的点,使得工具能够以预定的切割速度移动,以便在其进入的点和 当工作区从新出现点和重新进入工作区的点之间以快速移动速度移动时,它从工作区域中出现。 重复这些操作,直到工具接触到最终加工形状,于是刀具以预定切削速度和切削深度沿最终加工形状移动。 以这种方式,防止切削工具在不存在材料的进给区域中的怠速操作,并且可以有效地减少加工时间。
    • 9. 发明授权
    • Surface cutting method
    • 表面切割方法
    • US4764877A
    • 1988-08-16
    • US43349
    • 1987-03-17
    • Kunio TanakaYasushi Onishi
    • Kunio TanakaYasushi Onishi
    • B23Q15/00C07C259/06G05B19/4093G05B19/41G05B19/00
    • G05B19/41G05B2219/49381G05B2219/49392
    • The present invention relates to a surface cutting method for cutting a surface within an area (AR) bounded by a predetermined closed curve (CCL) by moving a tool (TL) along a cutting path (PT.sub.i) in a predetermined direction (direction of arrow A) to cut the surface within the area, thenceforth moving the tool along an adjacent cutting path (PT.sub.i+1), obtained by a shift of a predetermined amount, to cut the surface, and repeating these surface cutting operations.The surface cutting method includes obtaining an offset curve (OFC) offset by a predetermined amount to the outer side of the closed curve (CCL), obtaining width W, in the shift direction (direction of arrow B), of the area bounded by the offset curve (OFC), finding, from among lengths of line segments obtained by dividing the width W into n equal parts, a length closest to a predetermined maximum cut-in amount without exceeding the same, adopting this length as an actual cut-in amount P, and performing surface cutting by shifting the tool (TL) by the cut-in amount P in the shift direction after the end of surface cutting along the cutting path PT.sub.i, and thereafter moving the tool along the adjacent cutting path PT.sub.i+1. A cutting starting point (P.sub.i) and cutting end point (Q.sub.i) of each cutting path are provided on an offset curve (OFC') offset by a predetermined amount to the outer side of the closed curve (CCL) specifying the area.
    • PCT No.PCT / JP86 / 00381 Sec。 371日期1987年3月17日 102(e)1987年3月17日PCT PCT 1986年7月21日PCT公布。 公开号WO87 / 00475 日本1987年1月29日。本发明涉及一种用于通过沿着切割路径(PTi)移动工具(TL)来切割由预定闭合曲线(CCL)界定的区域(AR)内的表面的表面切割方法 沿着预定方向(箭头A的方向)切割该区域内的表面,然后沿着通过预定量的偏移获得的相邻切割路径(PTi + 1)移动工具,以切割表面,并重复这些表面 切割作业。 表面切割方法包括获得偏移到闭合曲线(CCL)的外侧预定量的偏移曲线(OFC),获得沿着移动方向(箭头B的方向)的宽度W 偏移曲线(OFC),从宽度W分为n个相等部分获得的线段长度中,找出最接近预定最大切入量的长度,而不超过相同的长度,采用该长度作为实际切入 量P,并且通过沿着切割路径PTi在表面切割结束之后沿着移动方向移动刀具(TL)进行表面切割,然后沿着相邻切割路径PTi + 1移动刀具 。 每个切割路径的切割起始点(Pi)和切割终点(Qi)被设置在偏移预定量的偏移曲线(OFC')上,以与指定该区域的闭合曲线(CCL)的外侧相对。
    • 10. 发明授权
    • Numerical control machining method and apparatus
    • 数控加工方法及装置
    • US4535408A
    • 1985-08-13
    • US445371
    • 1982-11-26
    • Hajimu KishiKunio TanakaMasaki Seki
    • Hajimu KishiKunio TanakaMasaki Seki
    • G05B19/4093G05B19/416G06F15/46G05B19/18
    • G05B19/4166G05B2219/49392Y02P90/265
    • A numerical control machining method and apparatus wherein a workpiece (101) is machined on the basis of curved surface data defining a curved surface. In the numerical control machining method and apparatus, a first boundary surface (103) serving as an upper limit and a second boundary surface (104) serving as a lower limit are respectively entered as inputs. A determination is made whether a tool lies in an upper part with respect to the first boundary surface (103), between the first and second boundary surfaces, or in a lower part with respect to the second boundary surface (104), and only the curved surface (CA.sub.1) enclosed by the first boundary surface (103) and the second boundary surface (104) is machined on the basis of the curved surface data. Then first and second boundary surfaces (103, 104) are moved downwards by predetermined values and the tool is moved by rapid traverse to a position (P.sub.12) corresponding to the first boundary surface (103'). After the completion of the machining of the curved surface (CA.sub.1) enclosed by the first and second boundary surfaces the next cutting operation is started from the position (P.sub.12).
    • PCT No.PCT / JP82 / 00093 Sec。 371日期1982年11月26日 102(e)1982年11月26日日期PCT提交1982年4月1日PCT公布。 公开号WO82 / 03353 日期:1982年10月14日。一种数控加工方法和装置,其中基于限定弯曲表面的曲面数据来加工工件(101)。 在数控加工方法和装置中,分别输入用作上限的第一边界面(103)和用作下限的第二边界面(104)作为输入。 确定工具是否位于相对于第一边界表面(103)的上部,第一和第二边界表面之间或相对于第二边界表面(104)的下部中,并且仅 基于曲面数据加工由第一边界面(103)和第二边界面(104)包围的曲面(CA1)。 然后,第一和第二边界面(103,104)向下移动预定值,并且通过快速移动将工具移动到对应于第一边界面(103')的位置(P12)。 在由第一和第二边界面包围的曲面(CA1)的加工完成之后,从位置(P12)开始下一个切割操作。