数控机床构造与维修及项目实训报告内容摘要:

答: B 类宏程序中 ,有文字变量与数字序号变量。 其含义如下表表示。 A 1 I 4 T 20 B 2 J 5 U 21 C 3 K 6 V 22 D 7 M 13 W 33 E 8 Q 17 X 24 8 编程练习。 采用加工中心加工图 1— 图 4 各平面曲线零件,加工内容:各孔,深 5mm;外轮廓表面,深 5mm。 试编写加工程序。 图 1 编程如下: O0001(铣外形) N0010 G21G64 N0020 G0G17G40G49G80G90 N0030 N0040 Z15. N0050 Z10. N0060 . N0070 . N0080 G01X140. N0090 . N0100 G01Y170. N0110 . N0120 G01X140. N0130 . N0140 G01Y170. N0150 . N0160 G01X0. N0170 . N0180 . N0190 G00Z15. N0200 M5 N0210 M30 O0002(钻孔) N0010 G21G64 N0020 G00G17G40G49G80G90 N0030 N0040 Z10. N0050 . N0060 Y0. N0070 Y150. N0080 . N0090 Y0. N0100 Y150. N0110 G80 2 N0120 M5 N0130 M30 图 2 编程如下: O0003(外形铣) N0010 G21G64 N0020 G00G17G40G49G80G90 N0030 N0040 Z10. N0050 . N0060 Y0. N0070 Y150. N0080 . N0090 Y0. N0100 Y150. N0110 G80 N0120 M05 N0130 M30 O0004(钻孔) N0010 G21G64 N0020 G00G17G40G49G80G90 N0030 N0040 Z10. N0050 N0060 Y0. N0070 . N0080 X125. N0090 Y125. N0100 G80 N0110 M5 N0120 M30 2 图 3编程如下: O0001(铣外形) N0010 G21G64 N0020 G0G17G40G49G80G90 N0030 N0040 Z10. N0050 Z5. N0060 . N0070 . N0080 . N0090 . N0100 . N0110 . N0120 G00Z10. N0130 M5 N0140 M30 O0002(钻孔) N0010 G21G64 N0020 G00G17G40G49G80G90 N0030 N0040 Z10. N0050 . N0060 N0070 N0080 . N0090 N0100 N0110 G80 N0120 M5 N0130 M30 1 图 4 编程如下: O0003(铣外形) N0010 G21G64 N0020 G0G17G40G49G80G90 N0030 G0G90G54X0Y114. S1600M3 N0040 Z10. N0050 Z5. N0060 . N0070 . N0080 G1X31. N0090 . N0100 . N0110 . N0120 G1X500. N0130 . N0140 N0150 . N0160 . N0170 G0Z10. N0180 M5 N0190 M30 O0004(钻孔 ) N0010 G21G64 N0020 G0G17G40G49G80G90 N0030 N0040 Z10. N0050 . N0060 X250. N0070 X0. N0080 . N0090 G80 N0100 M5 N0110 M30 1 编程练习。 采用加工中心加工图 5 图。
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