bài giảng nguyên lý máy cơ cấu bánh răng

Bộ môn Thiết kế Cơ khí Bài tập học phần “Nguyên lý máy”


(Da theo ti liu - John Joseph Uicker, G. R. Pennock, Joseph Edward Shigley, “Theory of
Machines and Mechanisms”, 3rd, Oxford University Press, 2003 v ti liu - Myszka, David
H, “Machines and mechanisms : applied kinematic analysis”, 4th, Prentice Hall, 2012”)

 !"!#$%&'()**+*,-!&.+/&0./ *1(2/ 34*5//67'()*
*+*8!%/&19*#$:/&0;/ <:$'=>?
Về kiến thức:
 
 
 !"#$%&
' ($")#*&"#$%&
+ ,)##&-#"#
. /011&2
3 !$"4"##5#
6 7"48$98$
: !"#-
3@A()/ ,-!&BC
3@A()/ D,-!E FAG&@!&1!$,-!&BC34
C1"!1 /&1-/1
-!&BC*2,"/
+
;$<=3/3+>
??@

;$<=6/63>
-!&BCA$>G/&BC
:
;$<=3+/3 3>

AB/8CD==E
-#F$0
H/
IJ
)#E7"&#GH3
Bộ môn Thiết kế Cơ khí Bài tập học phần “Nguyên lý máy”


(Da theo ti liu - John Joseph Uicker, G. R. Pennock, Joseph Edward Shigley, “Theory of
Machines and Mechanisms”, 3rd, Oxford University Press, 2003 v ti liu - Myszka, David
H, “Machines and mechanisms : applied kinematic analysis”, 4th, Prentice Hall, 2012”)
1(2/ 
(Chú ý quan trọng:Trong chương 6 ny số hiu các bi tập được đánh theo
đúng số hiu các bi tập trong sách “Theory of Machines and
Mechanisms”của Joseph Edward Shigley để SV có thể tham khảo theo sách
textbook tiếng Anh)
320$"B"#$"4"#$I#J2#$"4=?E .+
!/$G"#*&&)K$= =6'LMBN)"#O
37PG"#*&0$"#$"4"#$I#J)Q#8R#
&=.=)"#2$"5R#&=:
3 S-20$"B"#$"4"#$I#J
2#$"4=+6CG"#*&)K$=6='?
3'7PG"#2"#$"4"#$I#J )Q#8R#
&=??=-=6
3+S)Q#8R#&2"#$"4"#$I#JG
"#TU'?V)"#U +?
3.20$"B"#$"4"#$I#J8R#&
1

U:?E1


U?!)"#U.SG"#T

=T

337P-=)Q#8R#&2"#$"4"#$I#
JTU .VU'?
36!0$"B"#$"4"#$I#JW#-U+E
)Q#8R#&1

U.?E1

U??LMBNG"#
*&XO
3:!"#$"4"#$I#JTU E)"#U?E63+S
)Q#8R#&*&"#
)#E7"&#GH3
Bộ môn Thiết kế Cơ khí Bài tập học phần “Nguyên lý máy”
3?20$"B"#$"4"#$I#E"#$YZ$JT

U ?"#E1[0#2\&B$G0

U'6?R#H]$!/$
2#$"4=:E)"#U7P$G0\&B*&
320$"B"#$"4"#$I#J$^G_$G#J*&
&= `E2#$"4= .EJW#-U'7P
G"#*&XO
3a0$"#$"4"#$I#JU'ET

U=\&B

_$G'?R#H]$TJJ$b$"B2"#$Y&\&B$G
0&25OA2#$"4=+.
3 !0$"B"#$"4"#$I#J-U'ET

U'ET

U .E!51c#"#$&&J#JφU?°VLMBd0$-"#
&#*&0$"Bb$b`&2%"#&E
&2^"#Ee%"#E)"#2$"5R#&E)
"#$"5R#

E1=B"#$E8R#$"R&E
8R#$"RV1=2c=2E1=2c"&E
G$"W#
3'a0$"#$"4"#$I#51c#$&&#J
φU?°EG"#TU ?"#E)"#U+LMBd"#=B
f#$b0$G"#$"5JJ$bF"J$"2#
0$"#)K-#OT/-#Eg&51c#"#$/=2
b]#)K&O
3+!0$"B"#$"4"#$I#J-U+ET

U3E
T

U+?E!51c#"#$%&J#JφU?°VLMBd0$-"#
&#*&0$"Bb$b`&2%"#&E
&2^"#Ee%"#E)"#2$"5R#&E)
"#$"5R#

E1=B"#$E8R#$"R&E

8R#$"RV1=2c=2E1=2c"&E
#J=2=#J"&$"5EG$"W#
)#E7"&#G H3
Bộ môn Thiết kế Cơ khí Bài tập học phần “Nguyên lý máy”
3+a0$"#$"4"#$I#J-U?ETU?"#E
αU?°E/$"f#=2%"#U+E&2^"#&UV
MB$P1=B"#$"5)Q#$"R=$"5)Q#$"R^"#V
#J$"5R#^"#=&25O
3.a0$"#$"4"#$I#51c#$&&EJ-
U+ETU+"#EφU?°1=B"#=#J$"5R#^
"#=&25O
33a0$"#*&"#$"4"#$I#J1=B=$U?36+
E)K2$"5R#$"R#86E#JφU+°1=B
"#J2$"5R#=&25O
36a0$"#*&"#$"4"#$I#J1=B=$U+3
E)K2$"5R#$"R#8.E#JφU?°1=B
*&"#Jdf#-#8=2O
3:a0$"#$"4"#$I#51c#$&&EJ)"#
2$"5R#&UETU6"#EφU+°1=B"#$"5R#
=&25O1=B"#=#J$"5R#^"#=&2
5O
3 'a0$"#$"4"#$I#($EJ"#=#J
φU+°E1[0#2"#$Y&JG"# E/$)"#2$"5
R#&=6LMBN$^G$"B=G$"W#*&0
$"BO
3 +!0$"B"#$"4"#$I#JG"#)K$==
'E)"#2$"5R#&=.E#J2$"5R#&=
3E+°SG$"W#20$"BO
3 .!0$"B"#$"4"#$I#J51c#"#$&&
#J=?°EG"#*&0$"B=+E+?)Q#8R#^

Z$*&X=&25b-#NB"&$)K#F$%"#
)#E7"&#G'H3
Bộ môn Thiết kế Cơ khí Bài tập học phần “Nguyên lý máy”
3 3!0$"B"#$"4"#$I#J51c#"#$&
&#J=3E+°E)"#2$"5R#&='E+CG"#
*&=?T/J'?"#$P)Q#8R#^*&J
f#&25b$"$)K#F$%"#O
K&0$>L/,+/10M/ / 1!N/
6a0$0$"B"#$"4"##5#J#J
$B/φ

U'E+°E"#*0#JT

U+"#E0#T

U'V
0$"BJW#-#&#
$
U'E#J#5#ΨU'+°LMBN
-$B/

E)"#$e2)#$B/E)"#
$e2)##&#E8 R#&EG"#*&"#
$)#)#
6a0$0$"B"#$"4"##5#J#J
$B/φ

U?°E#J#5#ΨU ?°EG"#*&)K$=T

U

+"#ET

U'V0$"BJW#-#&#
$
ULMBN#J
2$"5($]$#&#E)"#$e2)#$B/E)"#
$e2)##&#E)"#$e2)#1h$"4E8 R#
&E8R#&*&"#$)#)#
6 a0$0$"B"#$"4"##5#J#J#&#φ
$
U
?°E#J#5#ΨU +°EG"#*&)K$=T

U+"#ET

U+V0$"BJW#-#&#
$
U+E"0#"#=:
LMBN#J#5#*&"#$"5R#=G$"W#1h*&
0$"B
6+!0$"B"#$"4"##5#J*0#\&
$G06??R#H]$EG"#T

U.E1[0#2"#&c$$G
0'??R#H]$E!/$2#$"4*&0$"B=3+E#J
#5#ΨU °E#J=?°LMBNT

E)"#$e2)#
$B/E)"#$e2)##&#E)"#$e2)#1h$"4
=b"0#"#

)#E7"&#G+H3
Bộ môn Thiết kế Cơ khí Bài tập học phần “Nguyên lý máy”
K&0$>L/,+/1&0O*1P.
6?$"5Pd1[0#2"# $^G$"B=
EJ-

U E2#$"4=+?EJW##J#5#
ΨLMBNG"#E#J#5#$<J$88Nc
2#$"4
K&0$>L/0O*QR&S+/1QR&
6!0$"B8$$"48$J$^G$"B=3E+E$"48$J'"#
)N2F=EN)Q#8R#&*&$"48$=
8$E/$2#$"4*&0$"B='+
620$"B$"48$8$J$^G$"B=.?EG"#*&
$"48$  =  E 2# $"4  .?E ) 1h$"4 *&   8$ =
+LMBN)Q#8R#&2$"48$=8$
6 20$"B$"48$8$JG"#$)#Y#= ='?E
)1h$"4*&8$= ?E)Q#8R#&*&$"48$=
'+LMBN#J%#*&$"48$E#J#5#=)Q#8R#
&*&8$
)#E7"&#G.H3
Bộ môn Thiết kế Cơ khí Bài tập học phần “Nguyên lý máy”
K&0$>L/,+/10M/ *T/
6'20$"B"#-#"#$I#E$"BBb0#
#i&&$"4-##J$^G$"B= T/G"#*&"#*
0#=6$P#J-&*&&γ
E
γ

=&25O

6+20$"B"#-#"#$I#E$"BBb0#
#i&&$"4#&2&0$#J3+°$^G$"B=+LMBN#J
-&*&&γ
E
γ

=&25O
6320$"B"#-"#$I#JG"#)K$=3
=6EJ-U'E#J#i&&$"4=:?°ELMBN)Q#
8R#&E#J-&*&&EN&2^"#E
&2%"#E"0#"#=8R#&*&"#
$&B$/O
)#E7"&#G3H3