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数控铣床编程实例,一步一步成为编程大神!

  • 2026-01-29 18:06:32
数控铣床编程实例,一步一步成为编程大神!

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毛坯为70㎜×70㎜×18㎜板材,六面已粗加工过,要求数控铣出如图3-23所示的槽,工件材料为45钢。
1.根据图样要求、毛坯及前道工序加工情况,确定工艺方案及加工路线
1)以已加工过的底面为定位基准,用通用台虎钳夹紧工件前后两侧面,台虎钳固定于铣床工作台上。
2)工步顺序
① 铣刀先走两个圆轨迹,再用左刀具半径补偿加工50㎜×50㎜四角倒圆的正方形。
② 每次切深为2㎜,分二次加工完。
2.选择机床设备
根据零件图样要求,选用经济型数控铣床即可达到要求。故选用XKN7125型数控立式铣床。
3.选择刀具
现采用φ10㎜的平底立铣刀,定义为T01,并把该刀具的直径输入刀具参数表中。
4.确定切削用量
切削用量的具体数值应根据该机床性能、相关的手册并结合实际经验确定,详见加工程序。
5.确定工件坐标系和对刀点
在XOY平面内确定以工件中心为工件原点,Z方向以工件表面为工件原点,建立工件坐标系,如图2-23所示。
采用手动对刀方法(操作与前面介绍的数控铣床对刀方法相同)把点O作为对刀点。6.编写程序按该机床规定的指令代码和程序段格式,把加工零件的全部工艺过程编写成程序清单。考虑到加工图示的槽,深为4㎜,每次切深为2㎜,分二次加工完,则为编程方便,同时减少指令条数,可采用子程序。该工件的加工程序如下(该程序用于XKN7125铣床):N0010  G00  Z2  S800  T1  M03N0020  X15  Y0  M08N0030  G20  N01  P1.-2          ;调一次子程序,槽深为2㎜N0040  G20  N01  P1.-4          ;再调一次子程序,槽深为4㎜N0050  G01  Z2  M09N0060  G00  X0  Y0  Z150N0070  M02                       ;主程序结束N0010  G22  N01                  ;子程序开始N0020  G01  ZP1  F80N0030  G03  X15  Y0  I-15  J0N0040  G01  X20N0050  G03  X20  YO  I-20  J0N0060  G41  G01  X25  Y15        ;左刀补铣四角倒圆的正方形N0070  G03  X15  Y25  I-10  J0N0080  G01  X-15N0090  G03  X-25  Y15  I0  J-10N0100  G01  Y-15N0110  G03  X-15  Y-25  I10  J0N0120  G01  X15N0130  G03  X25  Y-15  I0  J10N0140  G01  Y0N0150  G40  G01  X15  Y0       ;左刀补取消N0160  G24          ;主程序结束

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  1. CONNECT:[ UseTime:0.000617s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000771s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.002104s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.002859s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000744s ]
  6. SELECT * FROM `set` [ RunTime:0.001999s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000694s ]
  8. SELECT * FROM `article` WHERE `id` = 468928 LIMIT 1 [ RunTime:0.010719s ]
  9. UPDATE `article` SET `lasttime` = 1770490551 WHERE `id` = 468928 [ RunTime:0.007311s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.001801s ]
  11. SELECT * FROM `article` WHERE `id` < 468928 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000941s ]
  12. SELECT * FROM `article` WHERE `id` > 468928 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.010137s ]
  13. SELECT * FROM `article` WHERE `id` < 468928 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.015455s ]
  14. SELECT * FROM `article` WHERE `id` < 468928 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.027095s ]
  15. SELECT * FROM `article` WHERE `id` < 468928 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.018599s ]
0.172327s