N5 G90 G95 G97 G40 
G80; 
N10 G00 X145 Z30; 
N15 T0200; 
N20 M03 S1500 F0.3; 
N25 G00 X75 Z5; 
N30 G24 X0 Z2 M08; 
N35 Z0; 
N40 G00 X140 Z30; 
N45 T0404; 
N50 M03 S2000 F0.25; 
N55 G00 X75 Z5; 
N60 G73 U2 R0.5; 
N65 P70 Q115 U0.15 
W0.15; 
N70 G00 X66 Z0; 
N75 G01 X70 Z-2; 
N80 Z-35; 
N85 X80 Z-50; 
N90 Z-70; 
N95 X120 R10; 
N100 Z-90; 
N105 X140; 
N110 Z-100; 
N115 X130 Z-105; 
N120 X150; 
N125 G00 X145 Z30; 
N130 T0608; 
N135 S3000 F0.15; 
N140 G00 X85 Z5; 
N145 G72 P70 Q115; 
N150 G00 X145 Z30; 
N155 T0808; 
N160 S1500 F0,2; 
N165 G00 X70 Z-16.5; 
N170 G77 R1; 
N175 G77 X60 Z-25 
P200 Q1500 R0.5; 
N180 G00 X80; 
N185 X145 Z30; 
N190 M09 M05; 
N195 M30;
                
              
                                            
                                
            
                       
            
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 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 1 
1 0 5
9 0
7 0
5 0
3 5
R
70
R
60
R
40
R
35
R
30
2 x 4 5 °
BAI 1 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X145 Z30; 
N15 T0200; 
N20 M03 S1500 F0.3; 
N25 G00 X75 Z5; 
N30 G24 X0 Z2 M08; 
N35 Z0; 
N40 G00 X140 Z30; 
N45 T0404; 
N50 M03 S2000 F0.25; 
N55 G00 X75 Z5; 
N60 G73 U2 R0.5; 
N65 P70 Q115 U0.15 
W0.15; 
N70 G00 X66 Z0; 
N75 G01 X70 Z-2; 
N80 Z-35; 
N85 X80 Z-50; 
N90 Z-70; 
N95 X120 R10; 
N100 Z-90; 
N105 X140; 
N110 Z-100; 
N115 X130 Z-105; 
N120 X150; 
N125 G00 X145 Z30; 
N130 T0608; 
N135 S3000 F0.15; 
N140 G00 X85 Z5; 
N145 G72 P70 Q115; 
N150 G00 X145 Z30; 
N155 T0808; 
N160 S1500 F0,2; 
N165 G00 X70 Z-16.5; 
N170 G77 R1; 
N175 G77 X60 Z-25 
P200 Q1500 R0.5; 
N180 G00 X80; 
N185 X145 Z30; 
N190 M09 M05; 
N195 M30; 
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 2 
30
70
85
100
R
30
R
25
R
22
.
5
R
15
2x45°
BÀI 2 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X50 Z50; 
N15 T0200; 
N20 M03 S1500 F0.3; 
N25 G00 X65 Z5; 
N30 G24 X0 Z2 M08; 
N35 Z0; 
N40 G00 X80 Z50; 
N45 T0404; 
N50 M03 S2000 
F0.25;11/30/2008 
N55 G00 X65 Z5; 
N60 G75 U3 R0.5; 
N65 P70 Q105 U0.15 
W0.15; 
N70 G01 X26 Z0; 
N75 G01 X30 Z-2; 
N80 Z-30; 
N85 X45; 
N90 X50 Z-70; 
N95 Z-85; 
N100 X60; 
N105 Z-100; 
N110 G00 X65; 
N115 G00 X80 Z50; 
N120 T0608; 
N125 S3000 F0.15; 
N130 G00 X65 Z5; 
N135 G72 P70 Q105; 
N140 G00 X80 Z50; 
N145 M09 M05; 
N150 M30; 
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 3 
Ø3
5
Ø2
0
M
40
x
2
Ø4
5
Ø15
40 65
85
Ø3
0
x
BAI 3 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X80 Z108; 
N15 T0404; 
N20 M03 S2000 F0.25 
M08; 
N25 G00 X11 Z105; 
N30 G73 U2 R0.5; 
N35 G73 P40 Q95 
U0.15 W0.15; 
N40 G01 X15 Z103; 
N45 Z85; 
N50 X45; 
N55 Z20 R4; 
N60 X53; 
N65 X60 Z20; 
N70 X60 Z-20; 
N75 X35 Z-20 R3; 
N80 X35 Z-95; 
N85 X40; 
N90 Z-110; 
N95 X32 Z-120; 
N100 G00 X80; 
N105 X80 Z108; 
N110 
Ø3
2.
5
Ø2
0.
0
Ø1
5.
0
Ø5.0
5x45°
20.0 40.0 60.0
BÀI 4
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 4 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X150 Z200; 
N15 T0202; 
N20 S1500 F0.3 M03; 
N25 G00 X80 Z5; 
N30 G24 X0 Z2 M08; 
N35 G24 Z0; 
N40 G00 X150 Z200; 
N45 T0404; 
N50 S2000 F0.25; 
N55 G00 X80 Z5; 
N60 G73 U20.5; 
N65 G73 P70 Q125 
U0.2 W0.2; 
N70 G00 X24 Z2; 
N75 G02 Z0; 
N80 G02 X32 X-18; 
N85 G01 Z-21; 
N90 G01 X44; 
N95 G01 Z-45; 
N100 G01 X30 Z-60; 
N110 G01 Z-75; 
N115 G01 X50 Z-90; 
N120 G01 Z-110; 
N125 G00 X80; 
N130 T0606; 
N135 S3000 F0.15; 
N140 G72 P70 Q125; 
N145 G00 X150 Z200; 
N150 T0808; 
N155 S1200 F0.2; 
N160 G00 X30 Z-19.5; 
N165 G77 X26 Z-21 
P3000 Q1000 R0.5; 
N170 G00 X150 Z200; 
N175 G77 X60 Z-25 
P200 Q1500 R0.5; 
N180 T0101; 
N185 S1500; 
N190 G00 X0 Z2; 
N195 G98 G93 X0 Z-30 
Q5000 P2 F0.2; 
N200 G00 X150 Z200; 
N205 T0202 ; 
N210 S1200; 
N215 G00 X41 Z-21; 
N220 G21 X41 Z-50 F2; 
N225 G00 X150 Z200; 
N230 M09 M05; 
N235 M30 
R2
5.0
Ø3
0Ø4
0Ø5
4Ø
40
3 0 1 5 1 5 1 0 1 5 2 0
x
y
BAI5 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X150 Z150; 
N15 T0202; 
N20 S1500 F0.3 M03; 
N25 G00 S50 Z5; 
N30 G24 X0 Z2 M08; 
N35 G24 Z0; 
N40 G00 X150 Z150; 
N45 T0404; 
N50 S2000 F0.25; 
N55 G00 X150 Z150; 
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 5 
N60 G73 U2 R0.5; 
N65 G73 P70 Q110 
U0.2 W0.2; 
N70 G00 X24 Z2; 
N75 G01 Z0; 
N80 G01 X46 Z-13; 
N85 G01 Z-25; 
N90 G03 X32 Z-48 
R16; 
N105 G01 X12 Z-70; 
N110 G00 X50; 
N115 G00 X150 Z150; 
N120 T0606; 
N125 S3000 F0.15; 
N130 G72 P70 Q110; 
N135 G00 X150 Z150; 
N140 T0806; 
N145 S1200 F0.2; 
N150 G00 X50 Z18.5; 
N155 G77 X42 Z-20 
P200 Q1000 R0.2; 
N160 G00 X150 Z150; 
N165 M09 M05; 
N170 M30; 
R10
15
30
10
24
40
BAI 6 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X150 Z150; 
N15 T0205; 
N20 S1500 F0.3 M03; 
N25 G00 X50 Z5; 
N30 G24 X0 Z2 M08; 
N35 G24 Z0; 
N40 G00 X150 Z150; 
N45 T0404; 
N50 S2000 F0.25; 
N55 G00 X50 Z5; 
N60 G73 U2 R0.5; 
N65 G73 P70 Q95 U0.2 
W0.2; 
N70 G00 X24 Z2 ; 
N75 G01 X24 Z0; 
N80 G01 X36 Z-16; 
N85 G02 Z-40 R18; 
N90 G01 Z-54; 
N95 G00 X50; 
N100 G00 X150 Z150; 
N105 T0101; 
N110 S1500 N11; 
N115 G00 X0 Z2; 
N120 G98 G93 X0 Z-20 
Q5000 P2 F0.2; 
N125 G00 X150 Z150; 
N130 M09 M05; 
N135 M30; 
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 6 
Ø1
2 Ø
26
M
44
x
2
3 01 5
7 5
1 1 0
BAI 7 
N2 G90 G95 G97 G40 
G80; 
N4 G00 X100 Z100; 
N6 T0404; 
N8 S2500 F0.2 M03; 
N10 G00 X80 Z5; 
N12 G73 U2 R05; 
N14 G73 P16 Q40 U0.2 
W0.2; 
N16 G01 X80 Z2 M08; 
N18 X80 Z0; 
N20 X20 Z0; 
N22 G03 X40 Z-26 
R20; 
N24 G01 X40 Z-29; 
N26 X55; 
N28 Z-50; 
N30 X38 Z-60; 
N32 G02 X30 Z66 R25; 
N34 G01 X30 Z-76 ; 
N36 G02 X38 Z-84 
R25; 
N38 G01 X60 Z-95; 
N40 Z-110; 
N42 G00 X100 Z100; 
N44 T0606; 
N46 S2000 F0.2; 
N48 G72 P16 Q40; 
N50 G00 X100 Z100; 
N52 T0808; 
N54 S1200 F0.2; 
N56 G00 X60 Z-27.5; 
N58 G77 R06; 
N60 G77 X28 Z-29 
P2000 Q1000; 
N62 G00 X100 Z100; 
N64 T0202; 
N66 S1200; 
N68 G00 X60 Z-29; 
N70 G21 X52 Z-51 F2; 
N72 G00 X100 Z100; 
N74 T0101; 
N76 S2000 F0.2; 
N78 G00 X0 Z5; 
N80 G98 G83 X0 Z-28 
P2000 Q28 R0; 
N82 G00 X100 Z100; 
N84 M05 M09; 
N86 M30 
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 7 
13
173
48
70
Ø2
4
Ø4
2 Ø
46
R1
6
BAI 8 
N2 G90 G95 G97 G40 
G80; 
N4 G00 X100 Z100; 
N6 T0404; 
N8 S2000 F0.3 M03; 
N10 G00 X50 Z5; 
N12 G73 U2 R0.5; 
N14 G73 P16 Q48 U0.2 
W0.2; 
N16 G01 X50 Z2 M08; 
N18 X50 Z0; 
N20 X20 Z0; 
N22 X40 Z-15; 
N24 Z-20; 
N26 G02 X40 Z-30 R8; 
N28 G01 X40 Z-35; 
N30 G02 X40 Z-45 R8; 
N32 G01 X40 Z-50; 
N34 G02 X40 Z-60 R8; 
N36 G01 X40 Z-65; 
N38 G02 X40 Z-75 R8; 
N40 G01 X40 Z-80; 
N42 G02 X40 Z-90 R8; 
N44 G01 X40 Z-95; 
N46 X30 Z-110; 
N48 Z-125; 
N50 G00 X100 Z100; 
N52 T0606; 
N54 S1500 F0.2; 
N56 G72 P16 Q48; 
N58 G00 X100 Z100; 
N60 T0101; 
N62 S1800 F0.3; 
N64 G00 X0 Z5; 
N66 G98 G93 X0 Z-28 
Q4000 R0.2; 
N68 G00 X100 Z100; 
N70 M05 M09; 
N72 M30 
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 8 
Ø1
0 Ø
24
4 05 4
R 1 8 .0
BAI9 
N2 G90 G95 G97 G40 
G80; 
N4 G00 X100 Z100; 
N6 T0404; 
N8 S2000 F0.3 M03; 
N10 G00 X60 Z5; 
N12 G73 U2 R0.5; 
N14 G73 P16 Q38 U0.4 
W0.4; 
N16 G00 X0 Z5; 
N18 G01 X0 Z0; 
N20 X14; 
N22 G03 X30 Z-18 
R20; 
N24 G01 X35 Z-40; 
N26 Z-45; 
N28 X45; 
N30 Z-75; 
N32 X25 Z-90; 
N34 G03 X20 Z-125 
R21; 
N36 G01 X20 Z-140; 
N38 G00 X180; 
N40 G00 X100 Z100; 
N42 T0606; 
N44 S1500 F0.2; 
N46 G72 P16 Q38; 
N48 G00 X100 Z100; 
N50 T0808; 
N52 S1200 F0.2; 
N54 G00 X55 Z-41.5; 
N56 G77 R0.5; 
N58 G77 X25 Z45 
P2500 Q2000; 
N60 G00 X100 Z100; 
N62 T0101; 
N64 S1500 F0.2; 
N66 G00 X0 Z5; 
N68 G98 G83 X0 Z-24 
Q6000; 
N70 G00 X100 Z100; 
N72 M05 M09; 
N74 M30; 
2 88 2
12
60
30 3
8
40
28
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 9 
BAI 10 
N2 G90 G95 G97 G40 
G80; 
N4 G00 X150 Z1500; 
N6 T0202; 
N8 S2000 F0.2 M03; 
N10 G00 X90 Z5; 
N12 G24 X0 Z2 M08; 
N14 X0 Z0; 
N16 G00 X150 Z150; 
N18 T0404; 
N20 S1500 F0.25; 
N22 G00 X90 Z5; 
N24 G73 U2 R0.5; 
N26 G73 P28 Q50 U0.2 
W0.2; 
N28 G00 X36 Z2; 
N30 G01 X36 Z0; 
N32 X40 Z-2; 
N34 Z-28; 
N36 X50; 
N38 Z-45; 
N40 G02 X58 Z50 R40; 
N42 G01 X58 Z-50; 
N44 X70; 
N46 G03 X80 Z-36 
R35; 
N48 G01 Z-80; 
N50 G00 X90; 
N52 G00 X150 Z150; 
N54 T0606; 
N56 S1500 F0.15; 
N58 G72 P28 Q50; 
N60 G00 X150 Z150; 
N62 T0202; 
N64 G00 X68 Z-51.5; 
N66 G77 R0.5; 
N68 G77 X44 Z-55 
P2000 Q2500 R0; 
N70 G00 X150 Z150; 
N72 T0808; 
N74 S1500 F0.2; 
N76 G00 X45 Z5; 
N78 G21 X37 Z41 F2; 
N80 G00 X150 Z150; 
N82 T0101; 
N84 S1200 F0.2; 
N86 G00 X0 Z5; 
N88 G98 G83 X0 Z-36 
Q600 P2; 
N90 G00 X150 Z150; 
N92 M05 M09; 
N94 M30; 
2882
12
60
30 3
8
40
28
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 10 
BAI 11 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X100 Z100; 
N15 T0202; 
N20 M03 S2500 F0.2; 
N25 G00 X0 Z5 ; 
N30 G01 X0 Z0; 
N35 G03 X20 Z-10 
R12.5; 
N40 G01 X25 Z-23.5; 
N45 G01 X25 Z-32.5; 
N50 G02 X30 Z37.5 R5; 
N55 G03 X40 Z-40 
R25; 
N60 G01 Z-45 ; 
N65 X50; 
N70 G00 X100 Z100; 
N75 M09 M05; 
N80 M30 
R2
0R21
20 2
5
45
30 3
5
30
10
24
40
4575
90
115
140.1
125.1
BAI 12 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X100 Z100; 
N15 T0202; 
N20 S1500 F0.2; 
N25 G00 X85 Z15; 
N30 G24 X0 Z2 N80; 
N35 X0 Z0; 
N40 G00 X100 Z100; 
N45 T0606; 
N50 S2000 F0.1; 
N55 G00 X85 Z10; 
N60 G73 U2 R0.5; 
N65 G73 P70 Q125 
U0.1 W0.1; 
N70 G00 X36 Z5; 
N75 G01 X36 Z0; 
N80 X40 Z-2; 
N85 Z-30; 
N90 X50 Z-60; 
N95 X96 Z-90; 
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 11 
N100 X50 Z-130; 
N105 X60; 
N110 Z-150; 
N115 G02 X72 Z-156 
R6; 
N120 G03 X80 Z-160 
R4; 
N125 G01 Z-200; 
N130 G00 X100 Z100; 
N135 T0404; 
N140 S4000 F0.2; 
N145 G72 P70 Q125; 
N150 G00 X100 Z100; 
N155 T0808 S1500 
F0.2; 
N160 G00 X0 Z5; 
N165 G98 G83 X0 Z-
65; 
N170 G00 X100 Z100; 
N175 M09 M05; 
N185 M30
BAI 13 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X150 Z150; 
N15 T0202; 
N20 S1500 F0.3 M03; 
N25 G00 X50 Z5; 
N30 G24 X0 Z2 M08; 
N35 G24 Z0; 
N40 G00 X150 Z150; 
N45 T0404; 
N50 S2000 F0.25; 
N55 G00 X50 Z5; 
N60 G73 U5 R0.5; 
N65 G73 P70 Q135 
U0.2 W0.2; 
N70 G00 X24 Z2; 
N75 G01 Z0; 
N80 G01 X40 Z-15; 
N85 G01 Z-20; 
N90 G02 Z-30; 
N95 G01 Z-35; 
N100 G02 Z-45; 
N105 G01 Z-50; 
N110 G02 Z-60; 
N115 G01 Z-65; 
N120 G02 Z-75; 
N125 G01 Z-80; 
N130 G01 X24 Z-95; 
N135 G00 X50; 
N140 G00 X150 Z150; 
N145 T0606; 
N150 S3000 F0.15; 
N155 G72 P70 Q135; 
N160 G00 X150 Z150; 
N165 M09 M05; 
N170 M30; 
BAI: 14 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X100 Z100; 
N15 T0404; 
N20 M03 S2000 F0.25; 
N25 G00 X32 Z130; 
N30 G73 U2 R0.5; 
N35 G73 P40 Q70 
U0.15 W0.15; 
N40 G01 X40 Z126; 
N45 Z50; 
N50 X60 Z20; 
N55 G02 Z-20 R25; 
N60 G01 X40 Z-40; 
N65 X40 Z-116; 
N70 X32 Z-120; 
N75 G00 X100 Z100; 
N80 Z150; 
N85 P0606; 
N90 S3000 F0.15; 
N95 G00 X32 Z130; 
N100 G72 P40 Q70; 
N105 G00 X100 Z100; 
N110 T0101; 
N115 S1500 F0.2; 
N120 G00 X0 Z135; 
N125 G98 G83 X0 Z90 
Q4000 P2; 
N130 G00 X100 Z100; 
N135 T0808; 
N140 G00 Z-81.5; 
N145 X40 Z-81.5; 
N150 M03 S1500 F0.2; 
N155 G77 R0.5; 
N160 G77 X35 Z-90 
P2000 Q1000 R0.5; 
N165 G00 X100 Z100; 
N170 T0202 S1200; 
N175 G00 X100 Z100; 
N180 X37; 
N185 G21 X37 Z-90 
F0.2; 
N190 G00 X100 Z100; 
N195 M09 M05; 
N200 M30; 
BAI 15 
N5 G90 G95 G97 G40 
G80' 
N10 G00 X100 Z140; 
N15 T0200; 
N20 M03 S1500 F0.3 
M08; 
N25 G24 X0 Z135; 
N30 Z130; 
N35 G00 X100 Z140; 
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 12 
N40 T0404; 
N45 S2000 F0.25; 
N50 G00 X24 Z130; 
N55 G73 U2 R0.5; 
N60 G73 P65 Q95 
U0.15 W0.15; 
N65 G01 X30 Z127; 
N70 Z80; 
N75 G03 X45 Z70 R10; 
N80 G01 X50 Z50; 
N85 Z30; 
N90 X60 Z25; 
N95 Z0; 
N100 G00 X100; 
N105 G00 X100 Z140; 
N110 T0608; 
N115 S3000 F0.15; 
N120 G00 X24 Z130; 
N125 G72 P65 Q95; 
N130 G00 X100 Z140; 
N135 T0101; 
N140 S1500 F0.2; 
N145 G00 X0 Z135; 
N150 G98 G83 X0 Z100 
Q4000 P2; 
N155 G00 X100 Z140; 
N160 T0808; 
N165 S1500 F0.2; 
N170 G00 X50 Z31.5; 
N175 G77 R0.5; 
N180 G77 X40 Z40 
P2000 Q1000 R0.2; 
N185 G00 X100; 
N190 Z140; 
N195 M09 M05 ; 
M200 M30 
BAI 16 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X100 Z150; 
N15 T0200; 
N20 M03 S1500 F0.3 
M08; 
N25 G00 X45 Z140; 
N30 G24 X0 Z140; 
N35 X0 Z135; 
N40 G00 X100 Z150 ; 
N45 T0404; 
N50 S2000 F0.25; 
N55 G00 X0 Z140; 
N60 G73 U2 R0.5; 
N65 G73 P70 Q115 
U0.15 W0.15; 
N70 G01 X0 Z135; 
N75 G03 X40 Z128 
R40; 
N80 G01 X75 Z97; 
N85 Z80; 
N90 X72 Z75; 
N95 Z60; 
N100 G03 X72 Z45 
R20; 
N105 G01 Z40; 
N110 X80 Z35; 
N115 X80 Z0; 
N120 X100; 
N125 G00 X100 Z150; 
N130 T0608; 
N135 S300 F0.15; 
N140 G00 X0 Z135; 
N145 G72 P70 Q115; 
N150 G00 X100 Z150; 
N155T0101; 
N160 S1500 F0.2; 
N165 G00 X0 Z140; 
N170 G98 G83 X0 Z115 
F0.2; 
N180 G00 X100 Z150; 
N185 M09 M05; 
N190 M30 
BAI 17 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X100 Z120; 
N15 T0200; 
N20 M03 S1500 F0.3 
M08; 
N25 G00 X45 Z115; 
N30 G24 X0 Z112; 
N35 Z0; 
N40 G00 X100 Z120; 
N45 T0404; 
N50 S2000 F0.25; 
N55 G00 X45 Z115; 
N60 G73 U2 R0.5; 
N65 G73 P70 Q115 
U0.15 W0.15; 
N70 G00 X34 Z110; 
N75 G01 X40 Z107; 
N80 Z90; 
N85 X45 Z70; 
N90 X50 R2; 
N95 Z30; 
N100 X60; 
N105 Z4; 
N110 X52 Z0; 
N115 X100; 
N120 G00 X100 Z120; 
N125 T0608; 
N130 S3000 F0.15; 
N135 G00 X45 Z115; 
N140 G72 P70 Q115; 
N145 G00 X100 Z120; 
N150 T0808; 
N155 S1500 F0.2; 
N160 G00 X42 Z93.5; 
N165 G77 R0.5; 
N170 G77 X20 Z90 
P2000 Q1000 R0.2; 
N175 G00 X100 Z120; 
N180 T0202; 
N185 S2000 F0.25; 
N190 G00 X37 Z110; 
N195 G21 X37 Z94 
F0.2; 
N200 G00 X100 Z120; 
N205 T0101 S1500 
F0.25; 
N210 G00 X0 Z115; 
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 13 
N215 G98 G83 X0 Z100 
Q5000 P2 F0.2; 
N220 G00 X100 Z120; 
N225 M09 M05; 
N230 M30; 
BAI 18 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X100 Z150; 
N15 T0200; 
N20 M03 S1500 F0.3 
M08; 
N25 G00 X45 Z145; 
N30 G24 X0 Z142; 
N35 Z140; 
N40 G00 X100 Z150; 
N45 T0404; 
N50 S2000 F0.25; 
N55 G00 X45 Z145; 
N60 G73 U2 R0.5; 
N65 G73 P70 Q95 
U0.15 W0.15; 
N70 G00 X30 Z140; 
N75 G01 X40 Z135; 
N80 Z70; 
N85 X60; 
N90 G03 Z30 R30; 
N95 G01 Z0; 
N100 G00 X100 Z150; 
N105 T0608; 
N110 S3000 F0.15; 
N115 G00 X45 Z145; 
N120 G72 P70 Q95; 
N125 G00 X100 Z150; 
N130 T0808; 
N135 S1500 F0.2; 
N140 G00 X42 Z78.9; 
N145 G77 R0.5; 
N150 G77 X30 Z70 
P2000 Q100 R0.2; 
N155 G00 X100 Z150; 
N160 T0202; 
N165 S1200 F0.2; 
N170 G00 X45 Z145; 
N175 G21 X37 Z79 
F0.2; 
N180 G00 X100 Z150; 
N185 T0101; 
N190 S1500 F0.2; 
N195 G00 X0 Z145; 
N200 G98 G83 X0 Z120 
F0.2; 
N205 G00 X100 Z150; 
N210 M09 M05; 
N215 M30; 
BAI 19 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X150 Z150; 
N15 T0200; 
N20 S1500 F0.3 M08; 
N25 G00 X35 Z150; 
N30 G24 X0 Z112; 
N35 G24 Z110; 
N40 G00 X150 Z150; 
N45 T0404; 
N50 S2000 F0.25; 
N55 G00 X75 Z112; 
N60 G73 U2 R0.5; 
N65 G73 P70 Q110 
U0.15 W01.5; 
N70 G00 X26 Z112; 
N75 G01 X30 Z108; 
N80 Z69; 
N85 X40 Z47; 
N90 X50 R2; 
N95 Z33; 
N100G02 X56 Z30 R3; 
N105 G01 X70; 
N110 Z0; 
N115 G00 X150 Z150; 
N120 T0608; 
N125 S3000 F0.15; 
N130 G00 X75 Z112; 
N135 G72 P70 Q115; 
N140 G00 X150 Z150; 
N145 T0808 \; 
N150 S1500 F0.2; 
N155 G00 X32 Z72.5; 
N160 G77 R0,5; 
N165 G77 X20 Z69 
Q1000 P2000 R0.2; 
N170 G00 X150 Z150; 
N175 T0101; 
N180 S1500 F0.15; 
N185 G00 X0 Z115; 
N190 G98 G83 X0 Z90 
Q500 P2 F0.2; 
N195 G00 X150 Z150; 
N200 M09 M05; 
N205 M30; 
BAI 20 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X100 Z160; 
N15 T0200; 
N20 M03 S1500 F0.3 
M08L 
N25 G00 X75 Z145; 
N30 G24 X0 Z142; 
N35 Z140; 
N40 G00 X100 Z160; 
N45 T0404; 
N50 S2000 F0.25; 
N55 G00 X75 Z145; 
N60 G73 U2 R0.5; 
N65 G73 P70 Q100 
U0.15 W0.15; 
N70 G01 X42 Z140; 
N75 G01 X50 Z136; 
N80 Z90; 
N85 G03 X50 Z65 R30; 
N90 G02 X45 Z50 R20; 
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 14 
N95 G01 X45 Z30; 
N100 X40 Z0; 
N105 G00 X100 Z160; 
N100 T0608; 
N115 S3000 F0.15; 
N120 G00 X75 Z145; 
N125 G72 P70 Q100; 
N130 G00 X100 Z160; 
N135 T0808; 
N140 S1500 F0.2; 
N145 G00 X55 Z93.5; 
N150 G77 R0.5; 
N155 G77 X30 Z90 
P1500 Q1000 R0.2; 
N160 G00 X100 Z160 ; 
N165 P0101; 
N170 S1500 F0.2; 
N175 G00 X0 Z145; 
N180 G98 G83 X0 Z110 
Q5000 P2 F0.2; 
N185 G00 X100 Z160; 
N190 M09 M05; 
N200 M30; 
BAI 21 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X150 Z150; 
N15 T0404; 
N20 M03 S2000 F0.25 
M08; 
N25 G00 X70 Z105; 
N30 G73 U2 R0.5; 
N35 G73 P40 Q80 
U0.15 W0.15; 
N40 G01 X54 Z100; 
N45 G01 X60 Z97; 
N50 Z50; 
N55 X50 Z30; 
N60 Z25; 
N65 G02 X65 Z0 R20; 
N70 G01 X60 Z-30; 
N75 Z68; 
N80 X66 Z-70; 
N85 G00 X150 Z150; 
N90 T0608; 
N95 S300 F0.15; 
N100 G00 X70 Z105; 
N105 G72 P40 Q80; 
N110 G00 X150 Z150; 
N115 T0808; 
N120 S1500 F0.2; 
N125 G00 X65 Z58.5; 
N130 G77 X50 Z50 
P200 Q1000 R0.2; 
N135 G00 X150 Z150; 
N140 T0101; 
N145 S1500 F0.2; 
N150 G00 X0 Z105; 
N155 G98 G83 X0 Z70 
Q4000 P2 F0.2; 
N160 G00 X150 Z150; 
N165 M09 M05; 
N170 M30 
Bai 22 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X150 Z150; 
N15 T0404; 
N20 M03 S2000 F0.25 
M08; 
N25 G00 X70 Z105; 
N30 G73 R0.5 
N35 G73 P40 Q80 
U0.15 W0.15; 
N40 G01 X54 Z100; 
N45 G01 X60 Z97; 
N50 Z50; 
N55 G02 X65 Z0 R20; 
N60 Z25; 
N65 G02 X6 Z0 R20; 
N70 G01 X60 Z -30; 
N75 Z68; 
N80 X66 Z-70; 
N85 G00 Z150 Z150; 
N90 T0608; 
N95 S3000 F0.15; 
N100 G00 X70 Z105; 
N105 G72 P40 Q80; 
N110 G00 X150 Z150 ; 
N115 T0808; 
N120 S1500 F0.2; 
N125 G00 X65 Z58.5; 
N130 G77 X50 Z50 
P2000 Q1000 R0.2; 
N135 G00 X150 Z150; 
N140 T0101; 
N145 S1500; 
N150 G00 X0 Z105; 
N155 G98 G83 X0 Z70 
Q4000 P2 F0.2; 
N160 G00 X150 Z150; 
N165 M09 M05; 
M170 M30;
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 15 
100
50
Ø40
4
43
16
7
15
BAI 23 
N5 G90 G95 G97 
G40G80; 
N10 G00 X200 Z200; 
N15 T0202; 
N20 M03 S2000 F0.5 
M08; 
N25 G00 X80 Z10; 
N30 G24 X0 Z2; 
N35 Z0; 
N40 G00 X200 Z200; 
N45 T0404; 
N50 S2500 F0.8; 
N55 G00 X80 Z5; 
N60 G73 U2 R0.5; 
N65 G73 P7 Q120 U0.2 
W0.2; 
N70 G00 X40 Z5; 
N75 G01 Z0; 
N80 Z-30; 
N85 G02 X35 Z-50 
R10; 
N90 G01 X60 Z-100; 
N95 G02 X60 Z-150 
R30; 
N100 G03 X70 Z-155 
R5; 
N115 G01 Z-250; 
N120 X80; 
N125 G00 X200 Z200; 
N130 T0606; 
N135 S3000 F0.3; 
N140 G00 X80 Z5; 
N145 G72 P70 Q120; 
N150 G00 X200 Z200; 
N155 M05 M09; 
N160 M30; 
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 16 
BAI 24 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X200 Z200; 
N15 T0202; 
N20 M03 S1000 F0.5 
M08; 
N25 G00 X90 Z10; 
N30 G24 X0 Z2; 
N35 Z0; 
N40 G00 X200 Z200; 
N45 T0404; 
N50 S1500 F0.8; 
N55 G00 X90 Z5; 
N60 G73 U1.5 R0.5; 
N65 G73 P70 Q120 
U0.1 W0.1; 
N70 G00 X36 Z2; 
N75 G01 Z0; 
N80 X40 Z-2; 
N85 Z-25; 
N90 G02 X50 Z-30 R5; 
N95 G01 X60 Z-70; 
N100 Z-107; 
N105 Z-110 R3; 
N110 X80; 
N115 Z-150; 
N120 X85; 
N125 G00 X200 Z200; 
N130 T0404; 
N135 S2500 F0.3; 
N140 G00 X85 Z5; 
N145 G72 P70 Q120; 
N150 G00 X200 Z200; 
N155 M05 M09; 
N160 M30;
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 17 
 BÀI 25 
N5 G90 G95 G97 G40 
G80; 
N10 G00 X200 Z200; 
N15 T0202; 
N20 M03 S2000 F0.05 
M08; 
N25 G00 X90 Z10; 
N30 G24 X0 Z2; 
N35 Z0; 
N40 G00 X200 Z200; 
N45 T0404; 
N50 S2000 F0.08; 
N55 G00 X90 Z5; 
N60 G73 U2 R0.5; 
N65 G73 P70 Q120 
U0.2 W0.2; 
N70 G00 X76 Z2; 
N75 G01 Z0; 
N80 X80 Z-2; 
N85 Z-45; 
N90 X60 Z-55; 
N95 Z-70; 
N100 G03 X60 Z105 
R20; 
N105 G01 Z-120; 
N110 X80 Z-130; 
N115 Z-180; 
N120 X90; 
N125 G00 X200 Z200; 
N130 T0606; 
N135 S2500 F0.05; 
N140 G00 X90 Z5; 
N145 G72 P70 Q120; 
N150 G00 X200 Z200; 
N155 T0303; 
N160 S1500 F0.5; 
N165 G00 X0 Z10; 
N170 G98 G83 X0 Z-40 
Q5000 P4; 
N175 G00 X200 Z200; 
N180 M05 M09; 
N185 M30;
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 18 
100
50
33
912
18
23
36
18
11
36
35
33
62
Ø12
R2.5
R2.5
R2.5
47
BAI 26 
N1 G90 G94 G97 G40 
G80; 
N2 G00 X200 Y200 
Z200; 
N3 T1 G43 H1; 
N4 M03 S2500 F300; 
N5 G00 X-10 Y-10 Z5; 
N6 G01 Z-15; 
N7 Y-5; 
N8 X105; 
N9 Y55; 
N10 X-5; 
N11 Y-10; 
N12 G00 Z50; 
N13 G00 X200 Y200 
Z200; 
N14 G49 M05; 
N15 M00; 
N16 T2 G43 H2; 
N17 M03 S2000 F150; 
N18 G00 X14 Y7 Z25; 
N19 G01 Z-4 F70; 
N20 X9 F150; 
N21 Y43; 
N22 X14; 
N23 G00 Z50; 
N24 G00 X86 Y7 Z15; 
N25 G01 Z-4 F60; 
N26 X91 F150; 
N27 Y43; 
N28 X84; 
N29 G00 Z50; 
N30 G00 X200 Y200 
Z200; 
N31 G49 M05; 
N32 M00; 
N33 T3 G43 H3; 
N34 M03 S1500 F100; 
N35 G00 X30 0Y25 Z5; 
N36 G01 Z-3 F70; 
N37 G02 X30 Z25 
F100; 
 Bài tập CNC 
SV thực hiện: Nguyễn Trọng Khôi 19 
N38 G00 Z50; 
N39 G00 X39 Y25 Z5; 
N40 G01 Z-3 F70; 
N41 G02 X39 Y25 
F100; 
N42 M05 M09; 
N43 M30;
80
14
22
72
100
23
69
R10
R12
4
BÀI 27
N5 G90 G94 G97 G40 
G80; 
N10 G00 X200 Y200 
Z200;