1_28 Лекции Детали машин
.pdf
:
( )
:
151000 « »
:
1)« » ( );
2)« , , » ( )
2
|
|
1 .............................................................................................................. |
6 |
1. , , . . - |
|
, . - |
6 |
. . , . .................. |
|
2. . - |
|
. : , , , , - |
10 |
, , . ........................................................................................................................... |
|
2 ............................................................................................................................................ |
19 |
3. . . . ..................................... |
19 |
4. . . . |
24 |
. .......................................................................................................................... |
|
5. . - |
30 |
. . ................................................................................................................................................... |
|
6. . . |
|
. 1: , , - |
37 |
. ...................................................................................................................................................... |
|
7. 2: , |
41 |
, . ............................................................................................... |
3 |
|
8. 3: , , - |
46 |
. . ................................. |
|
9. ( , , ). - |
51 |
. .......................................................................................................................................................................................... |
|
10. ( ). , , |
58 |
: , , . ............................................................................ |
|
3 .................................................................................................................................. |
70 |
11. . . - |
|
. . |
70 |
. .................................................................................................................................................................... |
|
12. . - |
80 |
. ........................................... |
|
13. - |
|
. - |
85 |
. .......................................................................................................................... |
|
14. : , . - |
|
. . |
|
. . - |
90 |
. ........................................... |
15. : , , . -
. -
4
. .
. ....................................................................................... |
96 |
16. : , , . -
. . . -
. -
. ................................................................................................................................................................................................. |
103 |
17. : , , -
. . . -
. .......................................................................................................................................................... |
110 |
18. . -
( ). -
. ...................................................................................................................................................................................................... |
120 |
19. : , . . -
. . .
. .......................................................................................................................... |
124 |
20. : , , , . |
|
. . .............................................................................. |
130 |
21. : , , . |
- |
. . ........................................................................................................................................... |
136 |
22. : , , . . |
|
. . - |
141 |
. ....................................................................................................................................................................................... |
5 |
|
4 .................................................................................................................................................................. |
150 |
23. . ( ). |
150 |
( ) . .................................................................................... |
|
5 .............................................................................................................................................. |
157 |
24. : . |
|
. . . - |
157 |
. . ........................................................... |
|
25. . |
166 |
. .................................................................................... |
|
6 ............................................................................................................................................................................ |
173 |
26. : , , , . ……............................................................... |
173 |
7 ................................................................................................................................................ |
186 |
27. : , , . . - |
186 |
13765-86. ................... |
|
8 ...................................................................................................................... |
197 |
28. : , , , . |
197 |
............................................................................................................. |
209 |
6
1.
1
: , , .
. , .
. . ,
.
, ,
– , -
.
( ) : ,
( ) ( ).
Передаточный механизм
Ä |
V |
Двигательный механизм |
Исполнительный механèçì |
1.1
7
( ).
– , .
– , ,
.
– ,
, .
– , , .
1.( , , , , , , , ,
. .).
2.( , , , , , ).
3..
4.( ).
5..
6.( , ).
7..
,
1.( , : , ,
).
2.( -
).
3.( ., , ).
4.( ).
8
( ) – : , , -
, , -
, .
– , ,
.
2.103 – 68* :
1)( );
2)( -
);
3)( -
);
4)( -
, );
5)( )
.
1);
2), -
;
3);
4), ,
;
9
5),
;
6),
.
,
1)( );
2)( );
3);
4)( ) ;
5), ;
6), ;
7);
8);
9).
.
– , .
F =F · ,
– , ,
.
10
2
: .
. : , , -
, , , .
(r = 1) |
II (r = 0) |
III (r = – 1) |
IV (r 0, -1< r < 1) |
|
|
|
|
, |
, |
, |
, |
|
|
|
|
|
a |
= |
|
|
= |
|
|
||
|
|
a |
max |
|
|
||
min |
max |
|
=0 |
|
|
||
|
|
|
a |
|
|
||
|
|
|
|
m |
|
|
|
|
t |
|
t |
|
t |
m |
t |
|
|
|
|
||||
|
|
|
|
|
|
|
|
|
|
m |
|
|
|
|
|
|
|
|
|
|
|
= = |
|
|
|
||
|
|
|
|
|
|
|
max |
|
|
|
|
|
|
|
|
|
|
|
2 |
|
|
|
|
|
|
|
|
|
|
a m |
|
|
|
||
|
|
|
|
|
|
|
|
|
1.2 |
|
|
|
r |
min |
|
- ; |
|
|
|
|
|||
max |
|
|
|
|
|||||||
|
|
|
|
|
|
|
|
|
|||
|
m |
max min |
- ; |
a |
|
max min |
- . |
||||
|
|
||||||||||
|
|
||||||||||
|
|
|
|
|
2 |
|
|
|
2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|