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7/30/2019 Rokovi 2 TSU
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-
-
2007/2008
: _______________________________
: _______________________________
:
02.10.2008. :
1 :
:
m = 2000 [kg] ; Zzp = 16677 [N] ; hc = 0,6 [m] ; lp = 1,5 [m] ; l = 2 [m].
= 10 [] (cos = 1),
, :
f = 0,017; = 0,6 ; Xp = 0 .
:
) ,) ,
) ?
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2 :
:
- m = 1000 [kg]; rd = 0,35[m] ; Jtp = 8 [kgm2] ; a = 2,0 [m/s2] ; f = 0,02 ;
.
:
) ( )) Fo
,
?) /
?
: , ...
_______________________________________
1 : 30 ; : __________
2 : 30 ; : __________
___________
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: ____________
: __________
: ,
______________________________________
: 1
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: 2
:
: 22.09.2008. ,
...
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-
-
2007/2008
: _______________________________ : _______________________________
:
23.10.2008.
1 :
mt ( )
.
:
) Mot ,
RM, ,
) Motmin, RM = 0,
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) Mot ,
?
:
- mt = 1000 [kg] ; RM = 2000 [N] ; rd = 0,3 [m]; =0,6 ; f = 0,02; g = 9,81
[m/s2]
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2 :
v = 11,1 [m/s]
Po = 54 [kW]. u = 10780
[kg], [ ]22678,2 = mNsAK . f = 0,015 u = 0 %.
:
) ? ( 1= g = 9,81[m/s2] )?
)
vv = 10[m/s] o
1 ?
: . , ...
____________________________________
1 : 30 ; : __________
2 : 30 ; : __________
___________
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: ____________
: __________
: ,
______________________________________
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: 1
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: 2
:
: 15.10.2008. ,
..
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-
-
2007/2008
: _______________________________ : _______________________________
:
07.11.2008.
1 :
[ ]kgMU 14000= , [ ]223 = mNsAK , [ ]smv /16=
[ ]st 20= . %3=u .
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:
) [ ]smv /0= [ ]smv /16= .
) S v ?) ,
92,0=P , 02,0=f .
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2 :
(mp mz) (
0= ) 303 ! 20 [m/s]
[ ] [ ] [ ] [ ] [ ] akomhkgmmrmlml cdp ,6,0,1825,33,0;8,2,46,1 ===== [ ] [ ] [ ].230,0318,0;07,1 kNiRNRkNR vfu === ?
: . , ...
____________________________________
1 : 30 ; : __________
2 : 30 ; : __________
___________
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: ____________
: __________
: ,
______________________________________
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: 1
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: 2
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: 04.11.2008.
:
. ,
...
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- , ,
,
2008/2009
: _______________________________
: _______________________________
:
29.01.2009. :
1 :
-
m.max = 305 [Nm]. Rm = 111 [mm]
b = 5,71 [cm]. 480 [N]. ,
?
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:
- : = 0,25- : =2- : pdop = 14 [Pa]
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2 :
(f = 0,02 = 330'),
,
m = 1825 [kg] 17,7 [m/s] Fo = 2120 [N], a K = 0,25[Ns2m], A = 2,3 [m2].
: . , ...
____________________________________
1 : 30 ; : __________
2 : 30 ; : __________
___________
: ____________
: __________
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: ,
______________________________________
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: 1
[ ]21
1
1
03,398
71,514,31,112
2
cmA
A
bRA m
=
==
[ ]
[ ]cmD
bRD
cmD
bRD
i
mi
S
ms
49,16
71,51,1122
91,27
71,51,1122
===
=+=+=
:
[ ]mmDs 280= [ ]mmDi 165=
:
( ) ( ) [ ]22222 4005,1628
4
14,3
4cmADDA iisi ===
:
[ ]NF
pAF
A
dopiA
5600
14400
=
== [ ]kNFA 6,5=
:
[ ]NmM
MM
s
ms
610
3052
max.
max.max.
===
:
[ ]NF
R
MFRFM
R
m
s
RmRs
5,5495
111,0
610max.max.
=
===
:
.
925,3
560025,0
5,5495
=
=
==
i
F
FiFiF
a
R
aR
4=i
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:
22
4
2===
in
:
6,11480
5600
1
1 =====z
AAzz
F
FzFzFF 12=z
: 2
:
080,0
061,0998,002,0
998,0cos061,0sin303
sincos
=+=
===+=
f
:
[ ] [ ]kNRNR
gmR
43,11432
81,9182508,0
==
==
:
[ ]kWP
vRP
34,25
1000
7,171432
=
==
:
1083,0
17903
86,1939
17903
14,1802120
81,91825
7,173,225,0212022
==
=
=
=
=D
gm
vAkF
G
RFD ovo
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: . ,
...
: 27.01.2009.
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-
2007/2008
: _______________________________
: _______________________________
:
- 05.12.2007. :
1 :
Ms = m s =900 [kg] : 5 65 [kg] 40 [kg]
, 0,55 .
.
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:
- .
2 :
:
- Ms = ms = 1120 [kg],
- Mk = mk= 280 [kg]
- Pe = 21,2 [kW]
- tr= 0,89- v = 25 [m/s]
- f = 0,021
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:
- AK
w [Ns2
m
-2
]Kw [Ns
2m-4] , A [m2]
: , ..._________________________________________
1 : 30 ; : __________
2 : 30 ; : __________
___________
: ____________
: __________
: ,
______________________________________
: 1
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: G = m x g = ( ms + 5 x mp + mprt ) x g = ( 900 + 5x65 + 40 ) x 10 = 1265
x 10= G = 12650 [N]
: Gtz = 0,55 x2G = 0,55 x
212650 =
25,6957 = 3478, 75 [N]
: Gtp = 0,45 x
[ ]NG
25,28462
5,5692
2
1265045,0
2===
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: 2
:
[ ]kWP
P TOe
= ; [ ]kWvRPTO =
[ ]NRRRRR iWuf +++= ; 0uR ; 0iR
wf RRR +=
( ) fgmmR tervozf += = ( ) =+ 021,0102801120 294 [N ]
( ) 22 vAKvvAKR wwww ==
vRRP wfTO += ; eTO PP =
3294 vAKvP we += ; :
325252942120089,0 += AKw
15625735018868 = AKw
[ ]22737152,015625
11518 == mNsAKw
= AKw 0,737152 [Ns2m-2 ]
: ,
...
: 01.12.2007.
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-
2007/2008
: _______________________________
: _______________________________
:
- 10.04.2008. :
1 :
,
, 19,6 [ ]sm /
[ ]kWPo 3,96= . [ ]kgMu 13750= ,
[ ]2244,4 = mNsAK . 02,0=f .
:
- ( )!M
%0=u ;- %15=u
( tg== sin;1cos ). 1.
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2 :
( = 0)
:
mp = 732 kg i mz = 1068 kg.
DREDITI :
- lp lz, l = 3m,- 25 %, Zp Zz
, hc = 0,75m ?
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: , ...
_________________________________________
1 : 30 ; : __________
2 : 30 ; : __________
___________
: ____________
: __________
: ,
______________________________________
: 1
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: 2
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: ,
...
: 08.04.2008.
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-
2007/2008
: _______________________________ : _______________________________
:
- 31.01.2008. :
1 :
:
- m = 1000 [kg]- rd = 0,35
- Jt = 7,848 [Nms2]
- a = 2,0 [m/s2]- f = 0,02.
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:) ( ) ?
) F
?
)
?
2 :
,
:- mt
- mn- l
- lp
- hc- hcn
- ln
:
1. v = const,
?
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2. -, (
).
: , ..._________________________________________
1 : 30 ; : __________
2 : 30 ; : __________
___________
: ____________
: __________
: ,
______________________________________
: 1
a) ( ) (
) .
[ ]Nd
dJ
rmR
t
v
t
d
a 26,2256213,112821225,0
696,1510002848,7
35,0
21000
12
22==
+=
+=
+=
)
[ ]NRmgfRRF aafo 46,245226,22562,19626,225602,081,91000 =+=+=+=+=
) ( ,
, .)
.
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: 2
1.
0= OFM
( )[ ]cnnnncpM hGllGhGlGl
Z ++++= sincossincos1
( )[ ]cnazaaM hGllGl
Z += sincos1
MaMnF ZGZGGZ =+= coscoscos
na GGG +=
2. -
0= OMM
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( )
( )cnncan
nncca
nnz
an
nnz
za
cnnccaa
nnzzaa
hGhGGGG
lGhGh
lGlGGGG
lGlGl
hGhGhG
lGlGlG
=+
=
=+
=
==
1
1
sinsinsin
coscoscos
: ,
...
: 25.01.2008.
:
: 2007/2008
: ________________________
: __________________________
:
11.10 .2008.
1. :
?
:
- Q = 25[t]- Gms = 300 [KN]- Gko = 100 [KN]
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- L = 25 [m]- =
3[m]
- pdoz= 7,5 [N/mm2]- k1 = 1,0
- k2 = 0,94- k3 = 1,0- b = 65 [mm]- r = 6 [mm]
:
. ,
...
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:
:
( ) ( )
( ) ( ) ( ) ( )
[ ]
( )
( ) ( )
[ ]KNF
eGGL
GL
F
eGGL
GLF
M
KNF
LGeLGG
LF
LGeLGGLF
M
B
kotmoB
kotmoB
B
A
mokotA
mokotA
A
192
31002502
25300
25
1
2
1
02
0
4582
25300325100250
25
1
2
1
02
;0
=
++=
++=
=+
=
=
++=
++=
=+
=
:
[ ];2292
458
2max KN
FF A === [ ]KN
FF B 96
2
192
2min === ;
( ) :
3
2 maxmin FFF
+= , I = 109 . 193
[ ]KNF 66,1843
554
3
229296==
+=
:
( )rbkkkpF
Ddoz
T
=
2321
; I = 113 ; . 196
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( )[ ] =
= mmD
T20,494
6265194,00,15,7
1066,1843
[ ]mmDT 500= :
. ,
..
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:
: 2007/2008
: ________________________
: __________________________
:
05.05.2008.
1. :
Q = 2,0 [t]. .
. .
: a = 3 [m]; h = 2,5 [m]; 1==d
l ; 2,0==
d
do ;
- = 0,1
- [ ]MPapdoz 128 = .
: ( C ), .
G.
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:
: ,
...
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- , ,
,
2008/2009
: _______________________________
: _______________________________
:
01.04.2009. :
1 :
FAP 1616 B ( ) 2F 116A 118[kW]. , SP 1.38.70.3
. () :
1 = 800 mm, 2 = 220 mm, b1 = 120 mm, b2 = 60 mm.
F = 2700 [ ]N
1F = ?
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. 1. ( )
2 :
, ,
() () Fc = 63 [KN].
:- p = 0,2 [MPa]
- Qv = 1,55[l/min]- () z
=1, m = 0,97, KK p = 0,8.
- D = 125 [mm], d = 63[mm]. Qv = 12 [l/min].
.
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[ ]NF 50003 = -
[ ]NF
F
457,110
04091,02700176000
72002700
220800
601202700
1
1
=
===
=
100-150 [N]
: 2
Vkl:
[ ]min/78,914,325,1
124422
dmD
QV vkl =
=
=
[ ]smVkl /0163,0=
cQ :
( ) ( ) [ ]min/95,81
78,963,025,1
4
14,3
4
2222l
VdDQ
z
kl
c ===
- pQ :
[ ]min/5,1055,195,8 lQQQ vcp =+=+=
ckp :
( ) ( )[ ]Pa
dD
Fp
m
c
ck
6
22
3
22101,7
97,0063,0125,014,3
106344=
=
=
() pp :
[ ]
[ ]MPap
Pappp
p
ckp
3,7
103,7102,0101,7666
=
=+=+=
: . ,
...
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