“创业杯”数控加工中心操作技能大赛试题1

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1、加工中心操作工技能试题1用加工中心完成如图所示零件的加工。19评分标准（腔体）准考证号操作时间240min得分试题编号系统类型FANUC0i序号考核项目考核内容及要求评分标准配分检测结果扣分得分备注1厚度20±0.05合格52方台阶30+0.052,80+0.074合格、每项3分63+0.03合格23方槽24+0.052,700.074合格，每项3分6R2合格24星槽4-R20,4-R8合格68+0.03合格25小孔Ø12+0.018合格56螺孔2-M12合格，每孔3分67位置50±0.05合格860±0.05合格420±0.

2、05合格48粗糙度平面、台阶面Ra3.2共4处合格，每处1分4形面、内孔、Ra1.6共4处合格，每处1分49去毛剌各尖角、孔口清晰、无毛剌210工时240min每提前10分钟计1分，最高15分1511残料清角外轮廓加工后的残料必须切除;内轮廓必须清角每留一处残料岛屿扣1分;每有清角每处扣1分.812安全文明生产1.遵守机床安全操作范围2.刀具,工具,量具放置规范3.设备保养、场地整洁酌情扣1～5分313工艺合理1.工件定位,夹紧及刀具选择合理2.加工顺序及刀具轨迹路线合理酌情扣1～5分314程序编制1.指令正确,程序完整2.数

3、值计算正确,程序编写表面出一定的技巧,简化计算和加工程序3.刀具补偿功能运用正确,合理4.切削参数,坐标系选择正确,合理酌情扣1～5分5其他项目发生重大事故(人身和设备安全事故等),严重违反工艺原则和情节严重的野蛮操作等,由裁判长决定取消其实操竞赛资格记录员监考人检验员考评员19各工序刀具的切削参数机床型号TH714G加工数据序号加工面刀具号刀具类型刀具规格主轴转速n/r.min-1进给速度Vf/mm.min-1刀具补偿号FANUC长度半径1粗铣星形槽和70×24方槽T1键槽铣刀Ø12600100H12精铣星形槽和80×30方

4、槽T2立铣刀Ø10800100D2H23精铣70×24方槽T3R2圆角铣刀Ø6100100D3H34打中心孔T4中心钻A380080H45钻Ø11.8孔T5钻头Ø11.840050H56铰Ø12孔T6铰刀Ø1220050H67攻丝M12T7丝锥M12200H78去毛刺及残料19参考程序O1000;（主程序）N0010T1M06;N0020G54G90G00X0Y0;N0025s600M03;N0030G43H1Z50.0M08;N0040G00X-22.5Y-22.5;N0050Z10.0;N0060G01Z-8.015F10

5、0;N0070X22.5Y22.5;N0080G00Z10.0;N0090X-22.5Y22.5;N0100G01Z-8.015F100;N0110X22.5Y-22.5;N0120X0Y0;N0130X12.0;N0140G03I-12.0J0;N0150G00Z10.0;N0160X-28.0Y45.0;N0170G01Z-15.0F100;N0180X28.0;N0190Y50.0;N0200X-28.0;N0210Y40.0;N0220X28.0;N0230G00Z50.0M05;N0240G91G28Z0M09;N0

6、250T2M06;N0260G54G90G00X0Y0;N0270S800M03;N0280G43H2Z50.0M08;N0290G41G00X10.951Y-8.0D2;N0310G01Z-8.015F400;N0320G03X18.951Y0R8.0F100;N0330M98P1001;N0340G03X10.951Y8.0R8.0;N0350G40G01X0Y0;N0360G00Z10.0;N0370Y45.0;N0380G41G00X32.019Y37.0D02;N0390G01Z-3.015F400;N0400G03

7、X40.019Y45.0R8.0F100;19N0410M98P1002;N0420G03X32.019Y53.0R8.0F100;N0430G40G01X0Y45.0F200;N0440G00Z50.0M05;N0450G91G28Z0M09;N0460T3M06;N0470G54G90G00X0Y45.0;N0480S1000M03;N0490G43H3Z50.0M08;N0500G41G00X29.019Y39.0D3;N0510G01Z-15.0F400;N0520G03X35.019Y45.0R6.0F100;N05

8、30M98P1003;N0540G03X29.019Y51.0R6.0;N0550G40G01X0Y45.0F200;N0560G00Z50.0M05;N0570G91G28Z0M09;N0580T4M06;N0590G54G90G00X0Y0;N0600S400M03;N0