双键槽定位(定时)

pignone-a-catena-z-28-con-2-ch-a-90

图中展示了链条小齿轮的示例,其中已拉削两个 90° 键槽座。加工键槽座时,可在孔和键槽座的交叉点上进行 0.2x45 °的倒角,以实现无毛刺的拉削。在此例中,REV 拉刀也具有无需移动工件的优势,可大大幅缩短生产时间。机加工速度也比传统拉床和插床快很多。最后,在使用 REV 拉刀时,如果经检查第一个键槽已对齐,则此后的所有键槽都将与孔径水平完全对齐。在不同机床上执行车削和拉削加工时,由于无法避免夹持误差,因此很难实现这种对齐。

编程示例:

Highlighted in  red  only the values that require editing
 
 O1000(RECALL MACRO O1000)
 
 #1=0 (0=INT PROCESSING 1=EXT PROCESSING)
 #2=0707 (TOOL NUMBER- WARNING DO NOT ENTER T BEFORE 0707)
 #3=15.0 (Z AXIS WORK START DISTANCE)
 #4=0.2 (X AXIS WORK START DISTANCE)
 #5=25 (HOLE OR SHAFT DIAMETER)
 #6=8 (INSERT WIDTH)
 #7=3.3 (PROCESSING DEPTH ON X AXIS RADIUS)
 #8=30 (PROCESSING LENGTH ON Z AXIS)
 #9=6000 (CUTTING SPEED IN MILLIMETRES PER MINUTE)
 #10=0,05 (INCREMENT OF EACH PASS)
 #11=0 (ADMITTED DRAUGHT ERROR ON LONGITUDINAL RADIUS OF 0.25 MAX)
 #12=90 (DEPARTURE ANGLE 90°/45°)
 #13=2 (NUMBER OF FINISHINGS WITHOUT REMOVAL)
 #14=2 (NUMBER OF OPERATIONS)
 #15=0 (C-AXIS ANGLE BEFORE PROCESSING)
 #16=90 (ANGLE BETWEEN OPERATIONS)
 #17=0 (CODE G RETURN 0= FAST- 1=WORK)
 #18=6000 (FEED BACK Z AXIS ACTIVATED ONLY IF #17=1)
 #19=0 (WORKING ANGLE 0=CYLINDRICAL/WITH VALUE=CONICAL)
 #20=0 (HELIX ANGLE +- INTERPOLATED WITH C AXIS)
 #21=0 ( PRIMITIVE DIAMETER OF SPIRAL TEETH)
 #22=35 (CODE M ON C AXIS )
 #23=34 CODE M OFF C AXIS)
 #24=90 CODE M BRAKE RELEASE C AXIS)
 #25=89 CODE M BRAKE LOCK C AXIS)
 #26=8 (REFRIGERANT 8=ON 0=OFF)
 #27=1 (BRAKE 0=NO 1=YES)
 
 M98P8000 (RECALL MACRO)
 
 (M99=BACK TO MAIN PROGRAMME)
OR (M30=END PROGRAMME)