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习题册或试题库-项目十四习题
	
图14-1

图14-2

图14-3
	参考答案: 
图14-1程序
 . 
毛坯采用φ45圆钢,加工结束直接切断。 
程序如下:
   
M03 S700
   
T0101(外圆尖刀)
   
M08
   
G0 X46 Z0
   
G01 X-0.5 F0.15
   
G0 X46 Z1
   
G73 U23 R11
   
G73 P1 Q2 U0.3 W0 F0.2
   
N1 G0X19.49
   
M03 S1200
   
G01 Z0 F0.1
   
G03 X24 Z-7 R20
   
G01 Z-12
   
X26
   
X28 Z-13
   
Z-15
   
X22 Z-20
   
Z-28
   
X28 Z-30
   
Z-34
   
G02 X32 Z-44 R15
   
G01 Z-54
   
X38
   
X40 Z-55
   
N2 Z-64
   
G70 P1 Q2
  
G0 X100 Z100
   
M03 S400
   
T0202(切断刀)
   
G0 X41 Z-62
   
G01 X0 F0.06
   
G0 X150 Z150
   
M30
    
图14-2程序
   .
毛坯采用φ60×106圆钢 
程序如下:(先做外圆φ25端)
   
M03 S700
   
T0101(外圆尖刀)
   
M08
   
G0 X62 Z0
   
G01 X-0.5 F0.15
   
G0 X60 Z1
   
G90 X56 Z-43 F0.2
   
X51
   
X48.3
   
G90 X44 Z-35 F0.2
   
X42.3
   
G0 X61 Z1
   
G73 U21 R10
   
G73 P1 Q2 U0.3 W0 F0.2
   
N1 G0 X21
   
M03 S1200
   
G01 Z0 F0.1
   
X25 Z-2
   
Z-15
   
X32
   
X34.858
   
Z-20.71
   
G02 X34.497 Z-29.99 R5
   
N2 G01 X42 Z-35
   
X46
   
X48 Z-36
   
Z-43
   
X56
   
X58 Z-44
   
N3 Z-50
   
G70 P1 Q3
   
G0 X150 Z150
   
M30
   
R25.73端加工程序:
   
M03 S650
   
T0101(外圆尖刀)
   
M08
   
G0 X62 Z1
   
G73 U31 R15
   
G73 P1 Q2 U0.3 W0 F0.15
   
N1 G0 X-0.5
   
M03 S1000
   
G01 Z0. F0.1
   
G03 X43.55 Z-39.45 R25.73
   
G02 X58 Z-54.45 R10
   
N2 G01 X59 Z-55
   
G70 P1 Q2
   
G0 X150 Z150
   
M30
    
图14-3程序
   
. 毛坯采用φ60×117圆钢 
程序如下:(先做内孔φ30端程序,孔已用φ25钻头钻至35mm深)
   
M03 S700
   
T0101(外圆尖刀)
   
M08
   
G0 X62 Z0
   
G01 X24 F0.15
   
G01 X61 Z1
   
G73 U10 R5
   
G73 P1 Q2 U0.5 W0 F0.15
   
N1 G0 X40
   
M03 S1200
   
G01 Z0 F0.1
   
G03 X50 Z-5 R5
   
G01 Z-10
   
G02 X50 Z-20 R6
   
G01 Z-30
   
X55
   
X58 Z-31.5
   
N2 Z-40
   
G0 X150 Z150
   
M03 S500
   
T0202(内孔尖刀)
   
G0 X24 Z1
   
G73 U5 R3
   
G73 P3 Q4 U-0.4 W0 F0.15
   
N3G0 X31
   
M03 S700
   
G01 Z0 F0.1
   
X30 Z-0.5
   
Z-5
   
G03 X30 Z-10 R3.68
   
G01 Z-15
   
X34 Z-20
   
Z-25
   
N4 X26 Z-35
   
G70 P3 Q4
   
G0 X150 Z150
   
M03 S1200
   
T0101
   
G0 X61 Z1
   
G70 P1 Q2
   
G0 X150 Z150
   
M30
   
R15圆弧端加工程序:
   
M03 S700
   
T0101(外圆尖刀)
   
M08
   
G0 X62 Z1
   
G73 U31 R15
   
G73 P1 Q2 U0.4 W0 F0.15
   
N1 G0 X-0.5
   
M03 S1200
   
G01 Z0 F0.1
   
G03 X26.68 Z-21.86 R15
   
G02 X37.04 W-20.66 R19.27
   
G03 X48 W-21.48 R21.98
   
G01 W-11
   
X55
   
N2 X59 W-2
   
G70 P1 Q2
   
G0 X150 Z150
   
M30    
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