1 I I . . B B à à i i t t ậ ậ p p T T i i ệ ệ n n Bài 1: Dao T0202: s= 2000 v/p, f= 0.3 mm/v Dao T0404: s= 3000 v/p, f= 0.15mm/v Dao T0606: s= 1500v/p, f=0.2 mm/v O0001 ; N10 G90 G95 G97 ; N15 G00 X41 Z81 ; N20 T0202 ; N25 M03 S2000 F0,3 ; N30 G00 X30 Z10 ; N35 G24 X-0,1 Z2,5 M08 ; N40 G24 X-0,1 Z0 ; N45 S2500 F0,3 ; N50 G73 U2 R1 ; N55 G73 P60 Q100 U0,2 W0,2 ; N60 G00 X0 Z0 ; N65 G03 X8 Z-4 R4 F0,3 ; N70 G01 X16 Z-13 ; N75 G01 Z-19 ; N80 G03 X11,33 Z32 R10 F0,3 ; N85 G02 X12 Z-40 R4.95 F0,3 ; N90 G01 X18 Z-42 ; N95 G01 Z-48 ; N100 G00 X30 ; N105 G00 X41 Z81 ; N110 T0404 ; N115 S3000 F0,15 ; N120 G00 X30 Z10 ; N125 G72 P60 Q100 ; N130 G00 X41 Z81 ; N135 T0606 ; N140 S1500 F0,2 ; N145 G00 X30 Z-13 ; N150 G77 R0,5 ; N155 G77 X12 Z-16 P1500 Q900 R0,1 ; N160 G00 X41 Z81 ; N165 M05 M08 ; N170 M30; Bài 2: Dao T0202: s = 2000 v/p, f = 0.2 mm/v Dao T0404: s = 3000 v/p, f = 0.15 mm/v O0002 ; N5 G40 G90 G95 G97 ; N10 G00 X41 Z81 ; N15 T0202 ; N20 M03 S2000 F0,2 ; N25 G00 X60 Z10 ; N30 G24 X-0,1 Z5 M08 ; N35 N24 Z0 ; 2 N25 S2000 F0,2 ; N30 G73 U2 R1 ; N35 G73 P40 Q65 U0,2 W0,2 ; N40 G00 X60 Z10 ; N45 G01 X20 Z0 ; N50 G01 X25 Z-30 ; N55 G01 X50 Z-40 ; N60 G01 Z-50 ; N65 G00 X60 ; N70 G00 X41 Z81 ; N75 T0404 ; N80 S3000 F0,15 ; N85 G00 X60 Z10 ; N90 G72 P40 Q65 ; N95 M05 M30; Bài 3: Dao T0202: - khoả mặt đầu: s = 2000 v/p, f = 0.3 mm/v - Tiện thô: s = 2500 v/p, f = 0.3 mm/v O0003 ; N5 G40 G90 G95 G97 ; N10 G00 X41 Z81 ; N15 T0202 ; N20 M03 S2000 F0,3 ; N25 G00 X110 Z10 ; N30 G24 X-0,1 Z5 M08 ; N35 G24 X-0,1 Z0 ; N40 S2500 F0,3 ; N45 G73 U2 R1 ; N50 G73 P55 U0,2 W0,2 ; N55 G00 X110 Z10 ; N60 G01 Z30 Z0 ; N65 G01 Z-20 ; N70 G02 X50 Z-30 R15 F0,2 ; N75 G01 X75 Z-35 ; N80 G01 Z-80 ; N85 G01 X100 Z-85 ; N90 G01 Z-115 ; N95 M05 ; N100 M30 ; Bài 4: Dao T0202: Khoả mặt đầu: s = 2000 v/p, f = 0.3 mm/v Tiện: s = 2500 v/p, f = 0.3 mm/v O0004 ; N5 G40 G90 G95 G97 ; N10 G00 X41 Z81 ; 3 N15 T0202 ; N20 M M03 S2000 F0.3 ; N25 G00 X100 Z10 ; N30 G24 X-0.1 Z10 ; N35 G24 Z5 ; N40 G24 Z0 ; N45 S2500 F0.3 ; N50 G73 U1.5 R1 ; N55 G73 P60 Q80 U0.2 Z0.2 ; N60 G00 X60 Z2 ; N65 G01 X60 Z0 R5 ; N70 G01 X60 Z-110 ; N75 G01 X80 Z-120 ; N80 G01 Z-140 ; N85 M05 ; N90 M30; Bài 5: Dao T0202: - Khoả mặt đầu: s = 1500 v/p, f = 0.3 mm/v - Tiện: s = 2000 v/p, f = 0.3 mm/v Dao T0404: s = 3000 v/p, f = 0.15 mm/v O0005 ; N5 G40 G90 G95 G97 ; N10 G00 X41 Z81 ; N15 T0202 ; N20 M03 S1500 F0.3 ; N25 G00 X170 Z5 ; N30 G24 X-0.1 Z2.5 M08 ; N35 G24 Z0 ; N40 S2000 F0.3 ; N45 G73 U2 R1 ; N50 G73 P55 Q95 U0.2 W0.2 ; N55 G00 X40 Z2 ; N60 G01 Z0 ; N65 G01 X60 Z-10 ; N70 G01 X60 Z-50 R10 ; N75 G24 X140 ; N80 G01 X160 Z-60 ; N85 G01 Z-110 ; N90 G01 X120 Z-150 ; N95 G00 X150 ; N100 G00 X41 Z81 ; N105 T0404 ; N110 S3000 F0.15 ; N115 G72 P55 Q95 ; N120 M05 ; N125 M30 ; Bài 6: Dao T0202: - Khoả ặt đầu: s = 2000 v/p, f = 0.2 mm/v - Tiện: 2500 v/p, f = 0.2 mm/v 4 Dao T0404: s = 3000 v/p, f = 0.15 mm/v O0006 ; N5 G40 G80 G90 G95 G97 ; N10 G00 X41 Z81 ; N15 T0202 ; N20 M03 S2000 F0.2 ; N25 G00 X50 Z10 ; N30 G24 X-0.1 Z5 ; N35 G24 Z0 ; N40 S2500 F0.2 ; N45 G73 U2 R1 ; N50 G73 P55 Q80 U0.2 W0.2 ; N55 G00 X20 Z5 ; N60 G01 X20 Z-20 R5 ; N65 G01 X36 ; N70 G01 X40 Z-22 ; N75 G01 Z-60 ; N80 G00 X50 ; N85 G00 X41 Z81 ; N90 T0404 ; N95 S3000 F0.15 ; N100 G72 P55 Q80 ; N105 M05 ; N110 M30 ; Bài 7: Dao T0202: - Tiện mặt đầu: s = 2000 v/p, f = 0.2 mm/v - Tiện: s = 2500 v/p, f = 0.2 Dao T0404: s = 2500 v/p, f = 0.2 mm/p Dao T0101: s = 1500 v/p, f = 0.2 mm/p O0007 ; N5 G40 G80 G90 G95 G97 ; N10 G00 X41 Z81 ; N15 T0202 ; N20 M03 S2000 F0.2 ; N25 G00 X40 Z5 ; N30 G24 X-0.1 Z2.5 ; N35 G24 Z0 ; N40 S2500 F0.2 ; N45 G73 U2 R1 ; N50 G73 P55 Q100 U0.2 W0.2 ; N55 G00 X30 Z0 ; N60 G01 Z0 ; N65 G01 Z-4 ; N70 G01 X20 Z-8 ; N75 G01 Z-12 ; N80 G03 Z-20 R4 F0.2 ; N85 G01 Z-24 ; N90 G01 X30 Z-32 ; N95 G01 Z-38 ; N100 G00 X40 ; N105 G00 X41 Z81 ; N110 T0404 ; 5 N115 G00 X30 Z2 ; N120 G72 P55 Q100 ; N125 G00 X41 Z81 ; N130 T0101 ; N135 S1500 F0.2 ; N140 G00 X0 Z10 ; N145 G98 G83 X0 Z-15 P2 Q2000 ; N150 M05 ; N155 M30 ; Bài 8: Dao T0202: - Tiện mặt đầu: s = 2000 v/p, f = 0.3 mm/v - Tiện : s = 2500 v/p, f = 0.25 mm/v Dao T0101: s = 1800 v/p, f = 0.2 mm/v O0008 ; N5 G40 G80 G90 G95 G97 ; N10 G00 X41 Z81 ; N15 T0202 ; N20 M03 S2000 F0.3 ; N25 G00 X30 Z5 ; N30 G24 X-0.1 Z2.5 ; N35 G24 Z0 ; N40 S2500 F0.25 ; N45 G73 U2 R1 ; N50 G73 P55 Q95 U0.2 W0.2 ; N55 G00 X6 Z2 ; N60 G01 Z0 ; N65 G01 X10 Z-2 ; N70 G01 Z-8 ; N75 G01 X16 Z-18 ; N80 G01 Z-32 R2 ; N85 G01 X30 Z-34 R2 ; N90 G01 Z-40 ; N95 G00 X40 ; N100 G00 X41 Z81 ; N105 T0101 ; N110 G00 X0 Z2 ; N115 S1800 F0.2 ; N120 G98 G83 X0 Z-12 P2 Q2000 ; N125 M05 ; N130 M30 ; Bài 9: Dao T0202: - Tiện mặt đầu: s = 2000 v/p, f = 0.3 mm/v - Tiện : s = 2000 v/p, f = 0.2 mm/v - Tiện tinh: s = 3000 v/p, f = 0.15 mm/v Dao T0606: s = 1500 v/p, f = 0.2 mm/v Dao T0808; s = 1800 v/p, f = 0.25 mm/v O0009 ; N5 G40 G80 G90 G95 G97 ; N10 G00 X41 Z81 ; 6 N15 T0202 ; N20 M03 S2000 F0.3 ; N25 G00 X60 Z5 ; N30 G24 X-0.1 Z2.5 ; N35 G24 Z0 ; N40 G73 S2000 F0.2 U1 R0.5 ; N45 G73 P50 Q105 U0.5 W0.5 ; N50 G01 X27 Z2 ; N55 G01 Z0 ; N60 G01 X31 Z-2 ; N65 G01 Z-19 ; N70 G01 X36 ; N75 G01 X52 Z-30 ; N80 G01 Z-34 ; N85 G03 X52 Z-52 R12 F0.2 ; N90 G01 Z-56 ; N95 G01 X36 Z-76 R4 ; N100 G01 Z-90 ; N105 G00 Z55 ; N110 G00 X41 Z81 ; N115 T0202 ; N120 S3000 F0.15 ; N125 G00 X31 Z2 ; N130 G72 P50 Q105 ; N135 G00 X41 Z81 ; N140 T0606 ; N145 S1500 F0.2 ; N150 G00 X35 Z-19 ; N155 G77 R0.5 ; N160 G77 X26 Z-14 P1500 Q900 R0.1 ; N165 G00 X41 Z81 ; N170 T0808 ; N175 S1200 ; N180 G00 X35 Z5 ; N185 G21 X28 Z-16 F2.5 ; N190 G00 X41 Z81 ; N195 T0101 ; N200 S1800 F0.2 ; N205 G00 X0 Z5 ; N210 G98 G83 X0 Z-18 P2 Q2000 ; N215 M05 ; N220 M30 ; Bài 10: Dao T0202: - Tiện mặt đầu s = 2000 v/p, f = 0.3 mm/v - Tiện: s = 2500 v/p, f = 0.2 mm/v Dao T0404: s = 3000 v/p, f = 0.15 mm/v O0010 ; N5 G40 G80 G90 G97 G95 ; N10 G00 X41 Z81 ; 7 N15 T0202 ; N20 M03 S2000 F0.3 ; N25 G00 X85 Z10 ; N30 G24 X-0.1 Z5 M08 ; N35 G24 Z0 ; N40 S2500 F0.2 ; N45 G73 U2 R1 ; N50 G73 P55 Q100 U0.2 W0.2 ; N55 G00 X56 Z5 ; N60 G01 Z0 ; N65 G01 Z-18 ; N70 G01 X82 Z-38 ; N75 G01 Z-53 ; N80 G03 X82 Z-85 R20 F0.2 ; N85 G01 X82 Z-108 ; N90 G01 X56 Z-124 ; N95 G01 Z-140 ; N100 G00 X60 ; N105 G00 X41 Z81 ; N110 T0404 ; N115 S3000 F0.15 ; N120 G00 X85 Z10 ; N125 G72 P55 Q100 ; N130 G00 X41 Z81 ; N135 M05 ; N140 M30 ; Bài 11: Dao T0202: - Tiện mặt đầu: s = 2000 v/p, f = 0.25 mm/v - Tiện : s = 2500 v/p, f = 0.2 mm/v Dao T0404: s = 3000 v/p, f = 0.15 mm/v O0011 ; N5 G40 G80 G90 G95 G97 ; N10 G00 X41 Z81 ; N15 T0202 ; N20 S2000 F0.25 ; N25 G00 X110 Z40 ; N30 G24 X-0.1 Z32 M08 ; N35 G24 Z28 ; N40 S2500 F0.2 ; N45 G73 U2.5 R1.5 ; N50 G73 P55 Q90 U0.2 W0.2 ; N55 G00 X20 Z30 ; N60 G01 Z28 ; N65 G03 X45 Z-20 R30 F0.2 ; N70 G01 X80 Z-90 ; N75 G01 Z-110 ; N80 G01 X110 Z-125 ; N85 G01 Z-155 ; N90 G00 X120 ; N95 G00 X41 Z81 ; N100 T0404 ; N105 S3000 F0.15 ; 8 N110 G72 P55 Q90 ; N115 M05 ; N120 M30 ; Bài 12: Dao T0202: - Tiện mặt đầu: s = 2000 v/p, f = 0.3 mm/v - Tiện: s = 2500 v/p, f = 0.2 mm/v Dao T0404 s = 3000 v/p, f = 0.15 mm/v O0012 ; N5 G40 G80 G90 G95 G97 ; N10 G00 X41 Z81 ; N15 T0202 ; N20 S2000 F0.3 ; N25 G00 X25 Z10 ; N30 G24 X-0.1 Z5 ; N35 G24 Z0 ; N40 S2500 F0.2 ; N45 G73 U2.5 R1 ; N50 G73 P55 Q110 U0.4 W0.4 ; N55 G00 X0 Z10 ; N60 G01 X0 Z0 ; N65 G03 X11.31 Z-8 ; N70 G01 X20 Z-9 ; N75 G01 Z-13 ; N80 G01 X14 Z-18 ; N85 G01 Z-20 ; N90 G03 X11.42 Z-33 R7 F0.2 ; N95 G02 X8.65 Z-39 R3.5 F0.2 ; N100 G01 X20 Z-44 ; N105 G01 Z-48 ; N110 G00 X30 ; N115 G00 X41 Z81 ; N120 T0404 ; N125 S3000 F0.15 ; N130 G00 X25 Z10 ; N135 G72 P55 Q110 ; N140 G00 X41 Z81 ; N145 M05 ; N150 M30 ; Bài 13: Dao T0202: - Tiện mặt đầu: s = 2000 v/p, f = 0.2 mm/v - Tiện: s = 2500 v/p, f = 0.2 mm/v Dao T0404: s = 3000 v/p, f = 0.15 mm/v O0013 ; N5 G40 G80 G90 G95 G97 ; N10 G00 X41 Z81 ; N15 T0202 ; N20 S2000 F0.2 ; N25 G00 X50 Z10 ; N30 G24 X-0.1 Z2.5 M08 ; 9 N35 G24 Z0 ; N40 S2500 F0.2 ; N45 G73 U2 R1 ; N50 G73 P55 Q95 U0.2 W0.2 ; N55 G00 X15 Z5 ; N60 G01 Z0 ; N65 G01 X15 Z-15 ; N70 G01 X20 ; N75 G01 X30 Z-35 ; N80 G01 X30 Z-50 ; N85 G01 X40 ; N90 G01 X40 Z-62.5 ; N95 G00 X50 ; N100 G00 X41 Z81 ; N105 T0404 ; N110 S3000 F0.15 ; N115 G00 X50 Z5 ; N120 G72 P55 Q95 ; N125 M05 ; N130 M30 ; Bài 14: Dao T0202: - Tiện mặt đầu: s = 2000 v/p, f = 0.3 mm/v - Tiện : s = 2500 v/p, f = 0.2 mm/v - Tiện tinh: s = 3000 v/p, f = 0.15 mm/v O0014 ; N5 G40 G80 G90 G95 G97 ; N10 G00 X41 Z81 ; N15 T0202 ; N20 S2000 F0.3 ; N25 G00 X35 Z10 ; N30 G24 X-0.1 Z2.5 M08 N35 G24 Z0 ; N40 S2500 F0.2 ; N45 G73 U2.5 R1 ; N50 G73 P55 Q90 U0.2 W0.2 ; N55 G00 X17 Z5 ; N60 G01 X12.4 Z-2.3 C2.3 ; N65 G01 X17 Z-27.5 R4 ; N70 G01 X25 ; N75 G01 X25 Z-40 R2.5 ; N80 G01 X35 ; N85 G01 X35 Z-55 ; N90 G00 X45 ; N95 G00 X41 Z81 ; N100 S3000 F0.15 ; N105 G00 X45 Z5 ; N110 G72 P55 Q90 ; N115 M05 ; N120 M30 ; Bài 15: 10 Dao T0202: - Tiện mặt đầu: s = 2000 v/p, f = 0.25 mm/v - Tiện ; s = 2500 v/p, f = 0.2 mm/v Dao T0404: s = 3000 v/p, f = 0.15 mm/v O0015 ; N5 G40 G80 G90 G95 G97 ; N10 G00 X41 Z81 ; N15 T0202 ; N20 S2000 F0.25 ; N25 G00 X50 Z10 ; N30 G24 X-0.1 Z2.5 ; N35 G24 Z0 ; N40 S2500 F0.2 ; N45 G73 U2.5 R1 ; N50 G73 P55 Q90 U0.2 W0.2 ; N55 G00 X0 Z10 ; N60 G01 Z0 ; N65 G03 X20 Z-5 R12.5 ; N70 G01 X25 Z-25.1 ; N75 G01 X25 Z-37.5 R5 ; N80 G01 X40 Z-37.5 R2.5 ; N85 G01 X40 Z-55 ; N90 G00 X60 ; N95 G00 X41 Z81 ; N100 T0404 ; N105 S3000 F0.15 ; N110 G00 X50 Z10 ; N115 G72 P55 Q90 ; N120 M05 ; N125 M30 ; Bài 16: Dao T0202: - Tiện mặt đầu: s = 2000 v/p, f = 0.2 mm/v - Tiện: s = 2800 v/p, f = 0.3 mm/v Dao T0404: s = 3000 v/p, f = 0.15 mm/v Dao T0303: s = 1500 v/p, f = 0.2 mm/v Dao T0808: s = 1200 v/p, f = 1.5 mm/v O0016 ; N5 G40 G80 G90 G95 G97 ; N10 G00 X41 Z81 ; N15 T0202 ; N20 S2000 F0.2 ; N25 G00 X40 Z10 ; N30 G24 X-0.1 Z2.5 ; N35 G24 Z0 ; N40 S2800 F0.3 ; N45 G73 U2 R1 ; N50 G73 P55 Q125 U0.2 W0.2 ; N55 G00 X20 Z10 ; N60 G01 Z-1 C1 ; N65 G01 X20 Z-31 C1 ; N70 G01 X22 Z50 R2 ; N75 G01 X30 Z-50 C1 ; [...]... ; N165 T0808 ; N170 S1200 ; N175 G00 X42 Z5 ; N180 G21 X37 Z-31 F2 ; N185 G00 X41 Z81 ; N190 T0101 ; N195 S1800 F0.2 ; N200 G00 X0 Z10 ; N205 G98 G83 X0 Z-45 P2 Q3000 ; N210 M05 ; N215 M30 ; II Bài tập phay Bài 1 : T1H1 : d = 20mm, s = 1500v/p, f = 200mm/p T2H2 : d = 5mm, s = 1000v/p, f = 120mm/p O0001 ; N5 G90 G94 G97 G40 G80 G49 G17 ; N10 G00 X288 Y107 Z213 ; N15 T1 G43 H1 ; N20 M03 S1500 F200 ;... F0.2 ; N140 G00 X25 Z-32 ; N145 G77 R0.6 ; N150 G77 X14 Z-28 P1000 Q500 R0.1 ; N155 G00 X41 Z81 ; N160 T0808 ; N165 G00 X0 Z10 ; N170 S1800 F0.2 ; N175 G98 G83 X0 Z-25 P2 Q200 ; N180 M05 ; N185 M30 ; Bài 18: T0202: - s = 2000 v/p, f = 0.5 mm/v - s = 2800 v/p, f = 0.3 mm/v T0404: - s = 3000 v/p, f = 0.15 mm/v T0505: - s = 1800 v/p, f = 0.2 mm/v O0018 ; N5 G40 G80 G90 G95 G97 ; N10 G00 X41 Z81 ; N15... X41 Z81 ; N150 T0404 ; N155 S3000 F0.15 ; N160 G00 X50 Z10 ; N165 G72 P55 Q140 ; N170 G00 X41 Z81 ; N175 T0505 ; N180 S1800 F0.2 ; N185 G00 X0 Z10 ; N190 G98 G83 X0 Z-18 P2 Q2500 ; N195 M05 ; N200 M30 ; Bài 19: T0202 : - S =2000 v/p, F = 0.3mm/v - s = 2500v/p, f = 0.2mm/v T0404 : - s = 3000v/p, f = 0.15 T0303 : - s = 1800v/p, f = 0.2 O0019 ; N5 G40 G80 G90 G95 G97 ; N10 G00 X41 Z81 ; N15 T0202 ; N20 S2000... N95 T0404 ; N100 S3000 F0.15 ; N105 G00 X60 Z10 ; N110 G72 P55 Q85 ; N115 G00 X41 Z81 ; N120 T0303 ; N125 S1800 F0.2 ; N130 G00 X50 Z-20 ; N135 G77 X42 Z-16 P2000 R0.2 Q2000 ; N140 M05 ; N145 M30 ; 13 Bài 20: T0202 : - s = 2000v/p, f = 0.25mm/v - s = 2000v/p, f = 0.2mm/v T0404 : - s = 3000v/p, f = 0.15mm/v T0101 : - s = 1500v/p, f = 0.2mm/v O0020 ; N5 G40 ;G80 G90 G95 G97 ; N10 G00 X41 Z81 ; N15 T0202... Z81 ; N100 T0404 ; N105 S3000 F0.15 ; N110 G00 X60 Z5 ; N115 G72 P55 Q90 ; N120 G00 X41 Z81 ; N125 T0101 ; N130 S1500 F0.2 ; N135 G00 X0 Z10 ; N140 G98 G83 X0 Z-15 P2 Q2500 ; N145 M05 ; N150 M09 M30 ; Bài 21: T0202 : - s = 2000v/p, f = 0.2mm/v - s = 2500v/p, f = 0.2mm/v T0606 : - s = 3000v/p, f = 0.15mm/v T0909 : - s =3000v/p, f = 0.15mm/v O0021 ; N5 G40 G80 G90 G95 G97 ; N10 G00 X41 Z81 ; N15 T0202... G01 X36 Z-54 ; N80 G00 X50 ; N85 G00 X41 Z81 ; N90 T0606 ; N95 S3000 F0.15 ; N100 G72 P55 Q80 ; N105 G00 X41 Z81 ; N110 T0909 ; N115 G00 X0 Z10 ; N120 G98 G83 X0 Z-15 Q1500 ; N125 M05 M09 ; N130 M30 ; Bài 22: T0202 : - s =2000v/p, f = 0.3mm/v - s = 2800v/p, f = 0.2mm/v T0404 : - s =3000v/p, f = 0.15mm/v T0303 : - s = 2000v/p, f = 0.2mm/v T0707 : - s = 1500v/p, s = 0.3mm/v O0022 ; N5 G40 G80 G90 G95... N145 G00 X45 Z-25 ; N150 G77 R0.5 ; N155 G77 X20 Z-20 P1000 Q1500 R0.5 ; N160 G00 X41 Z81 ; N165 T0707 ; N170 S1500 F0.3 ; N175 G00 X0 Z10 ; N180 G98 G83 X0 Z-16 P1500 Q800 R1 ; N185 M05 M09 ; N190 M30 ; Bài 23: T0202 ; - s = 2000v/p, f = 0.25mm/v - s = 2800v/p, f = 0.2mm/v T0404 : - s = 3500v/p, f = 0.15mm/v T0303 : - s = 1800v/p, f = 0.2mm/v T0909 : - s = 1500v/p, f = 0.3mm/v T0101 : - s = 1200v/p, f... Z81 ; N180 T0909 ; N185 S1500 F0.3 ; N190 G00 X0 Z10 ; N195 G98 G83 X0 Z-16 P2 Q2000 ; N200 G00 X41 Z81 ; N205 T0101 ; N210 S1200 ; N215 G00 X44 Z-15 ; N220 G21 X41 Z-37 F0.3 ; N225 M05 M09 ; N230 M30 ; Bài 24: T0202 : - s =2000v/p, f = 0.2mm/v - s = 2500v/p, f = 0.2mm/v T0404 : - s = 3000v/p, f = 0.15mm/v T0303 : - s = 1500v/p, f = 2mm/v T0808 : - s =2000v/p, f = 0.2mm/v T0707 : - s =1200v/p, f = 0.2mm/v... G98 G83 X0 Z-15.5 P2 Q2000 ; N190 G00 X41 Z81 ; N195 T0707 ; N200 S1200 F0.2 ; N205 G00 X20 Z-12 ; N210 G77 R0.4 ; N215 G77 X8 Z-10 P1500 Q800 R0.1 ; N220 G00 X30 ; N225 G00 X41 Z81 ; N230 M09 M05 M30 ; Bài 25: T0202 : - s = 2000v/p, f = 0.2mm/v - s = 2500v/p, f = 0.2mm/v T0404 : - s = 3000v/p, f = 0.15mm/v T0606 : - s = 1200v/p, f = 0.2mm/v T0808 : - s = 1200v/p, f = 2mm/v T0101 : - s = 1800v/p, f =... N170 G00 X25 Z-30 ; N175 G77 R0.5 ; N180 G77 X14 Z-27 P1800 Q900 R0.1 ; N185 G00 X41 Z81 ; N190 T0808 ; N195 S1200 ; N200 G00 X20 Z10 ; N205 G21 X16.5 Z-27 F1.5 ; N210 G00 X41 Z81 ; N215 M05 ; N220 M30 ; Bài 17: Dao T0202: - Tiện mặt đầu: s = 2000 v/p, f = 0.2 mm/v - Tiện s = 2500 v/p, f = 0.2 mm/v Dao T0404: s = 3000 v/p, f = 0.15 mm/v Dao T0303: s = 1500 v/p, f = 0.2 mm/v Dao T0808: s = 1800 v/p, f = . Z10 ; N205 G98 G83 X0 Z-45 P2 Q3000 ; N210 M05 ; N215 M30 ; II Bài tập phay Bài 1 : T1H1 : d = 20mm, s = 1500v/p, f = 200mm/p T2H2 : d = 5mm,. X12 Z-16 P1500 Q900 R0,1 ; N160 G00 X41 Z81 ; N165 M05 M08 ; N170 M30; Bài 2: Dao T0202: s = 2000 v/p, f = 0.2 mm/v Dao T0404: s = 3000 v/p, f