数控编程例题.docx

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1、例1：加工图6-10所示的一个整圆，设起点O在机床的原点，且编程原点O点与机床原点重合，加工时先由O点快速移至A点，再由A点慢速逆时针方向加工整圆又回到A点，然后返回原点。一）、跨象限编程1、用绝对值编程N001G92X0Y0N002G90G00X45Y0N003G03X45Y0I-45J0F80N004G00X0Y0M022、用增量值编程N001G91G00X45Y0N002G03X0Y0I-45J0F80N003G00X-45Y0M02二)、按象限编程1、用绝对值编程N001G92X0Y0N002G90G00X45N003G03X0Y45I-45J0F8

2、0N004X-45Y0I0J-45N005X0Y-45I45J0N006X45Y0I0J45N007G00X0Y0M022、用增量值编程N001G91G00X45Y0N002G03X-45Y45I-45J0F80N003X-45Y-45I0J-45N004X45Y-45I45J0N005X45Y45I0J45N006G00X-45Y0M02例2：根据题图，从S点到E点再返回到S点编程，走刀量自定。可采用绝对值或相对值编程。（M、S、T功能可不定。编程原点为W点。）O0002G92X80Z100S600T0101M03G00X0Z2G01Z0F80G03X20

3、Z-10R10（I0K-10）G01Z-20X35Z-43Z-64X56X60Z-66Z-88G00X80M05Z100M30例3：如下图的一个实例：刀具半径为8mm，记在刀具号为T1.1，假定起刀点在编程坐标系的原点上方50mm处，加工工件厚5mm，请编程：O0003b加入Z动作N0G92X0Y0Z50N5G90G17G01F150S900T1.1M06M04N10G00Z3N15G01Z-5N20G42D01X25Y30N25X50N30Y60N25X80N30X100Y40N35X140N40X120Y70N60X30N65Y25N70G40G00X0

4、Y0M05N75Z50N60M30例4：下图是一个钻两孔的实例：实际刀具比编程值短4mm，刀号为T01.01记在刀具磨损补偿表中的值是-4mm。刀具直径为8mm，刀具在程序原点起刀，安全高度（刀具快速移动到工件上表面停留点距工件最高表面处的距离）为2mm，程序如下：O0004N0G92X0Y0Z0N5G91G00X50Y35S500M03N10G43Z-25T01.01N15G01Z-12F80N20G00Z12N25X40N30G01Z-17N35G00G44Z42M05N40M30例5：较复杂零件凸轮的编程加工。加工方式：立铣，加工刀具：直径12mm的立

5、铣刀，毛坯厚6mm的铝板，工艺路线如图所示，工件坐标系选在凸轮圆心上方距工件35mm处，数学处理后：A（18.856，-36.667）B（28.284，-10.000）C（28.284，10.000）D（18.856，36.667）O0005N0G92X0Y0Z35N5G90G00X50Y80N10G01Z-7F500S600M03N15G01G42D01X10Y50F200N17X0N20G03Y-50J-50N25X18.856Y-36.667R20.0N30G01X28.284Y-10.236N35G03X28.284Y10.236R30.0N40G0

6、1X18.856Y36.667N45G03X0Y50R20.0N50G01X-10N55G40G01Y55N60G00Z35.0F500N65X0Y0M05N70M30例6：如下图的一个实例：刀具半径为10mm，记在刀具号为T1.1，起刀点在原点的上方60mm，工件厚度为5mm，则程序如下：O0006BN0G92X0Y0Z60M03N2G91G00Z-58.0N4G01Z-7F120.0；N6G00G42D01X25.0Y20.0；N8X5.0；N10X55.0；N12Y40.0；N14X40.0；N15Y-40.0；N16X30.0；N17G03X30.0

7、Y30.0J30.0；N18G01Y20.0；N19G02X-30.0Y30.0J30.0；N20G01X-120.0;N40Y-90；N42G40G00X-35.0Y-10.0M05N46Z65N48M30例7：加工如图所示轮廓。O0007G92X0Y0Z0；N1G90G17G00G41D07X250.0Y550.0；N2G01Y900.0F150；N3X450.0；N4G03X500.0Y1150.0R650.0；N5G02X900.0R-250.0；N6G03X950.0Y900.0R650.0；N7G01X1150.0；N8Y550.0；N9X700

8、.0Y650.0；N10X250.0Y550.0；N