Chương IV: Lập trình gia công và mô phỏng

Tài liệu hướng dẫn cách Lập trình gia công và mô phỏng trên phần mềm WinNC GE Series 21 MB. Mời các bạn cùng tham khảo.
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Chương IV: Lập trình gia công và mô phỏng Chöông IV: LAÄP TRÌNH GIA COÂNG VAØ MOÂ PHOÛNG TREÂN PHAÀN MEÀM WinNC GE Series 21 MBI. Caùc böôùc laäp trình.Caùc böôùc thöïc hieän laäp trình cô baûn: - Phaân tích baûn veõ. - Löïa choïn duïng cuï caét. - Laäp phieáu coâng ngheä. - Laäp trình vaø moâ phoûng:  Thieát laäp caùc thoâng soá coâng ngheä.  Löïa choïn dao cuï, buø tröø chieàu daøi, baùn kính (neáu caàn).  Choïn cheá ñoä caét.  Thöïc hieän ñöôøng chaïy dao.Ví duï:Laäp chöông trình NC cho chi tieát sau (Hình veõ trang sau).Böôùc 1: Choïn duïng cu, trình töï gia coâng vaø cheá ñoä caét goït.Maõ dao Kieåu dao Böôùc coâng ngheä.T1 Facing DM 40 Phay maët, vieàn ngoaøi.T4 Drill DM 10 Khoan moài.T5 Drill DM 6.8 Khoan loã M8.T2 Endmill DM 16 Môû roäng loã 40T3 Endmill DM 10 Môû roäng loã 16, Slot.T6 Tap M8 Ren trong M8T7 Chamfer Vaït caïnh.  Cheá ñoä caét goït: tra theo baûng dao, vaät lieäu phoâi: hôïp kim nhoâm.Böôùc 2: Thieát keá ñöôøng chaïy dao vaø laäp trình. Trang 39Chöông trình NC:O0001 (DEMOPART 1)N0005 G0 G28 G91 Y0 Z0N0010 G0 G90 G17 G40 G80N0015 T1 M6 ( MILL DM40 FACING)N0020 G0 G54 G90 X-22 Y15 S2000 F800 M3N0025 G43 H1 Z20N0030 G0 Z0N0035 G1 X140N0040 Y50N0045 X0N0050 Y85N0055 X162N0060 G0 Z2N0065 X124.01 Y122N0070 Z0N0075 G1 G91 Z-2N0080 G90N0085 G42 H11N0090 M98 P0002N0095 G1 G91 Z-2N0100 G90N0105 G42 H11N0110 M98 P0002N0115 G1 G91 Z-2N0120 G90N0125 G42 H11N0130 M98 P0002N0135 G1 G91 Z-2N0140 G90N0145 G42 H11N0150 M98 P0002N0155 G0 Z20N0160 T4 M6 ( SPOT )N0165 G0 G54 G90 X120 Y45 S2000 F200 M3 Trang 40N0170 G43 H4 Z20N0175 G81 Z-4.5 R2 G99N0180 X75 Y40N0185 X45N0190 Y70N0195 X20 Y80N0200 G52 X45 Y40 (LOCAL COORDINATE)N0205 G16 X27.5 Y120 (POLAR COODINATE INTERPOLATION)N0210 Y150N0215 Y180N0220 Y210N0225 Y240N0230 Y270N0235 Y300N0240 Y330N0245 G80N0250 G15N0255 G0 Z20N0260 G52 X0 Y0N0265 T5 M6 (DRILL DM6.8)N0270 G0 G54 G90 X120 Y45 S2000 F200 M3N0275 G43 H5 Z20N0280 G81 Z-30 R2 G99N0285 X45 Y40N0290 X20 Y80N0295 G52 X45 Y40N0300 G16 X27.5 Y120N0305 Y150N0310 Y180N0315 Y210N0320 Y240N0325 Y270N0330 Y300N0335 Y330N0340 G15 G80N0345 G0 Z20 Trang 41N0350 G52 X0 Y0 (RETURN TO ORIGIN)N0355 T2 M6 (POCKET DM40)N0360 G0 G54 G90 X45 Y40 S2000 F400 M3N0365 G43 H2 Z5N0370 G83 G99 Z-26 R2 Q1 F200N0375 G41 H12 G1 Z0N0380 G1 X25 Y40 F400N0385 M98 P140003N0390 G40 G0 X45 Y40N0395 G0 Z20N0400 T3 M6 (POCKET DM16)N0405 G0 G54 G90 X120 Y45 S2000 F400 M3N0410 G43 H3 Z5N0415 G41 H13 G1 Z0N0420 G1 X112 Y45 F400N0425 M98 P140004N0430 G40N0435 G0 X120 Y45N0440 G0 Z20N0445 G0 X20 Y80N0450 G41 H13 G1 Z0N0455 G1 X12 Y80N0460 M98 P140005N0465 G40 G0 X20 Y80N0470 G0 Z10N0475 (MILL SLOT)N0480 G0 X75 Y40N0485 G0 Z1N0490 G1 G91 Z0N0495 #1 =0N0500 G1 G91 Z-1.5 F150N0505 G3 G90 X45 Y70 R30 F400N0510 G1 G91 Z-1.5 F150N0515 G2 G90 X75 Y40 R30 F400N0520 #1 =#1+1 Trang 42N0525 IF[#1 EQ 2] GOTO0535N0530 GOTO0500N0535 G0 Z10N0540 T6 M6 ( TAP M8 )N0545 G0 G54N0550 G52 X45 Y40N0555 G16 X27.5 Y120 S250 M3N0560 G43 H6 Z20N0565 G84 Z-12 R4 F1.25 G99N0570 Y150N0575 Y180N0580 Y210N0585 Y240N0590 Y270N0595 Y300N0600 Y330N0605 G15 G80N0610 G0 Z20N0615 G52 X0 Y0N0620 T7 M6 ( CHAMFER )N0625 G0 G54 G90 X148 Y100 S4000 F2000 M3N0630 G43 H7 Z-8.5N0635 G41 H17 G1 X140N0640 Y0N0645 X0N0650 Y100N0655 X140N0660 G0 G40 X148 Z10N0665 G0 X124 Y72N0670 G1 Z-0.5N0675 G1 G42 H17 X124.01 Y58.83N0680 M98 P0002N0685 G0 Z10N0690 G0 X45 Y40N0695 G0 Z-0.5N0700 G41 H17 G1 X25 Y40 Trang 43N0705 G3 G91 X0 Y0 I20 J0N0710 G90N0715 G0 G40 X45N0720 G0 Z10N0725 G0 X120 Y45N0730 G0 Z-0.5N0735 G41 H17 G1 X112N0740 G3 G91 X0 Y0 I8 J0N0745 G90N0750 G0 G40 X120N0755 G0 Z10N0760 G0 X20 Y80N0765 Z-0.5N0770 G41 H17 G1 X12N0775 G3 G91 X0 Y0 I8 J0N0780 G90N0785 G40 G0 X20N0790 G0 Z10N0795 G0 X45 Y70N0800 G1 Z-1.5 F400N0805 G2 X75 Y40 R30N0810 G0 Z10N0815 G0 G28 G91 Y0 Z0N0820 G90 G17 G40 G80N0825 M30O0002 ( SUB-ContourDM3 )N0005 G1 X124.01 Y58.83N0010 X24.96 Y94.16N0015 G3 X5.67 Y75.57 R15N0020 G2 X10 Y40 R100N0025 G3 X65.31 Y11.49 R35N0030 G2 X120 Y30 R100N0035 G3 X124.01 Y58.83 R15N0040 G40 G1 X124.01 Y122 F1500N0045 M99 Trang 44O0003 ( Sub Pocket DM40 )N0005 G3 G91 X0 Y0 Z-2 I20 J0N0010 G90N0015 M99O000 ...