Post on 01-Jun-2018
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ACKNOWLEDGEMENT
We whole he!"e#l$ e%&!e'' o(! ')*+e!e
,!")"(#e "o M! GM P")lwho ,()#e# (' .o!
"he +o/&le")o* o. "he &!o0e+" I / l'o
"h*.(l "o ll /$ "e+he!' .o! e%&l)*)*, o*
+!)")+l '&e+" o. "o&)+'!el"e# "o "he
&!o0e+"We !e l'o ,!"e.(l "o "he l2
'')'"*".o! &e!/)"")*, (' "o h3e 'o/e hel&
.!o/ "he/
Wewo(l# l)e "h* ll o. "he .+(l"$
/e/2e! o. ll o"he! !e'&e+")3e #e&!"/e*"'
.o! "he)! )*")/"e +oo&e!")o* "h!o(,ho("
"he &e!)o# o. &!o0e+" +o/&le")o*
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HYDRAULIC
ARM
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Materials used for Hydraulic Ar
I**o3")o* +o/&o*e*"' llow .o! ,!e"e!
l"e!*")3e *# )**o3")3e #e'),*' The$ !e
*o" !e6()!e# 2(" !e '(,,e'"e# "o 2!)*,
/o!e e*,)*ee!)*, *# )**o3")o* "o "he
+")3)"$ O*l$ .ew )**o3")o* +o/&o*e*"'
!e ('(ll$ *ee#e# "o +!e"e l"e!*")3e
#e'),*' 'o $o(! '(&&l$ o. )**o3")o*
+o/&o*e*"' +* 2e ('e# .o! /*$ h$#!(l)+
!/' *# o"he! +")3)")e' He!e !e "he
+o/&o*e*"' "h" !e ('e# )* "h)' &!o0e+"8o H$#!(l)+ +$l)*#e!' 9S$!)*,e w)"h +l)&'
*# /o(*"':o H$#!(l)+ L)*e' 9V)*$l T(2)*,:o Pe!&e*#)+(l! woo#e* 2lo+' *# Dowel'o Ch)& 2o!#o S+!ew'
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/*(l &!e'e*"' /*$ o. "he
.(*#/e*"l +o*+e&"' )* "he el#' o.
h$#!(l)+' *# &*e(/")+' I" )' )*"e*#e#' 2')+ !e.e!e*+e .o! ll &e!'o**el o.
"he N3$ who'e #(")e' *#
!e'&o*')2)l)")e' !e6()!e "he/ "o h3e
*owle#,e o. "he .(*#/e*"l' o. @()#
&owe!
Co*'e6(e*"l$ e/&h')' )' &l+e# &!)/!)l$
o* "he "heo!$ o. o&e!")o* o. "$&)+l @()#
&owe! '$'"e/' *# +o/&o*e*"' "h" h3e
&&l)+")o*' )* *3l e6()&/e*" M*$
&&l)+")o*' o. @()# &owe! !e &!e'e*"e# )*
"h)' /*(l "o )ll('"!"e "he .(*+")o*' *#o&e!")o* o. #)?e!e*" '$'"e/' *#
+o/&o*e*"'
AD#ANTAGE$ O! !LUID "OWER
The e%"e*')3e ('e o. h$#!(l)+' *#
&*e(/")+' "o "!*'/)" &owe! )' #(e "o"he .+" "h" &!o&e!l$ +o*'"!(+"e# @()#
&owe! '$'"e/' &o''e'' *(/2e! o.
.3o(!2le +h!+"e!)'")+' The$ el)/)*"e
"he *ee# .o! +o/&l)+"e# '$'"e/' o.
,e!' +/' *# le3e!' Mo")o* +* 2e
"!*'-/)""e# w)"ho(" "he 'l+ )*he!e*" )*
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"he ('e o. 'ol)# /+h)*e &!"' The
@()#' ('e# !e *o" '(20e+" "o 2!e,e '
!e /e+h*)+l &!"' *# "he /e+h*)'/'!e *o" '(20e+"e# "o ,!e" we! The
#)?e!e*" &!"' o. @()# &owe! '$'"e/
+* 2e +o*3e*)e*"l$ lo+"e# " w)#el$
'e&!"e# &o)*"' ')*+e "he .o!+e'
,e*e!"e# !e !&)#l$ "!*'/)""e# o3e!
+o*')#e!2le #)'"*+e' w)"h '/ll lo''The'e .o!+e' +* 2e +o*3e$e# (& *# #ow*
o! !o(*# +o!*e!' w)"h '/ll lo'' )*
e+)e*+$ *# w)"ho(" +o/&l)+"e#
/e+h*)'/' Ve!$ l!,e .o!+e' +* 2e
+o*"!olle# 2$ /(+h '/lle! o*e' *#
+* 2e "!*'/)""e# "h!o(,h +o/&!")3el$
'/ll l)*e' *# o!)+e' I. "he '$'"e/ )' well
#&"e# "o "he wo! )" )' !e6()!e# "o
&e!.o!/ *# ). )" )' *o" /)'('e# )" +*
&!o3)#e '/oo"h @e%)2le (*).o!/ +")o*
w)"ho(" 3)2!")o* *# )' (*?e+"e# 2$3!)")o* o. lo# I* +'e o. * o3e!lo#
* ("o/")+ !ele'e o. &!e''(!e +* 2e
,(!*"ee# 'o "h" "he '$'"e/ )'
&!o"e+"e# ,)*'" 2!e#ow* o! '"!)* >l()#
&owe! '$'"e/' +* &!o3)#e w)#el$ 3!)2le
/o")o*' )* 2o"h !o"!$ *# '"!),h"-l)*e
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"!*'-/)'')o* o. &owe! The *ee# .o!
+o*"!ol 2$ h*# +* 2e /)*)/)e# I*
##)")o* @()# &owe! '$'"e/' !ee+o*o/)+l "o o&e!"e The 6(e'")o* /$
!)'e ' "o wh$ h$#!(l)+' )' ('e# )* 'o/e
&&l)+")o*' *# &*e(/")+' )* o"he!'
M*$ .+"o!' !e +o*')#e!e# 2$ "he ('e!
*#Fo! "he /*(.+"(!e! whe*
#e"e!/)*)*, wh)+h "$&e o. '$'"e/ "o ('e)* '&e+)+ &&l)+")o* The!e !e *o
h!# *# .'" !(le' "o .ollow howe3e!
&'" e%&e!)e*+e h' &!o3)#e# 'o/e
'o(*# )#e' "h" !e ('(ll$ +o*')#e!e#
whe* '(+h #e+)')o*' !e /#e I. "he
&&l)+")o* !e6()!e' '&ee# /e#)(/
/o(*" o. &!e''(!e *# o*l$ .)!l$
++(!"e +o*"!ol &*e(/")+ '$'"e/ /$
2e ('e# I. "he &&l)+")o* !e6()!e' o*l$
/e#)(/
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HYDRAULIC$
The wo!# hydraulics )' 2'e# o* "he
G!ee wo!# .o! w"e! *# o!),)*ll$+o3e!e# "he '"(#$ o. "he &h$')+l 2eh3)o(!
o. w"e! " !e'" *# )* /o")o* U'e h'
2!o#e*e# )"' /e*)*, "o )*+l(#e "he
2eh3)o(! o. ll l)6()#' l"ho(,h )" )'
&!)/!)l$ +o*+e!*e# w)"h "he /o")o* o.
l)6()#' H$#!(l)+' )*+l(#e' "he /**e!
)* wh)+h l)6()#' +" )* "*' *# &)&e'
#el' w)"h "he)! &!o&e!")e' *# e%&lo!e'
w$' "o "e #3*",e o. "he'e
&!o&e!")e'
"NEUMATIC$
The wo!# pneumatics )' #e!)3")3e o.
"he G!ee wo!# pneumatic, wh)+h /e*'
)! w)*# o! 2!e"h I" +* 2e #e*e# '
"h" 2!*+h o. e*,)*ee!)*, '+)e*+e "h"
&e!")*' "o ,'eo(' &!e''(!e *# @owA' ('e# )* "h)' /*(l &*e(/")+' )' "he
&o!")o* o. @()# &owe! )* wh)+h +o/&!e''e#
)! o! o"he! ,' )' ('e# "o "!*'/)" *#
+o*"!ol &owe! "o +"(")*, /e+h*)'/'
Th)' +h&"e! #)'+(''e' "he o!),)* o.
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&*e(/")+' I" #)'+(''e' "he +h!+"e!)'")+'
o. ,'e' *# +o/&!e' "he/ w)"h "ho'e
o. l)6()#' I" l'o e%&l)*' .+"o!' wh)+h?e+" "he &!o&e!")e' o.
,'e' )#e*")e' *# e%&l)*' "he ,' lw'
*# )#e*")e' ,'e' +o//o*l$ ('e# )*
&*e(/")+' *# "he)! &!e''(!e !*,e' I"
l'o #)'+(''e' h!#' o. &*e(/")+ ,'e'
/e"ho#' o. +o*"!oll)*,+o*"/)*")o**# '.e"$ &!e+(")o*'
''o+)"e# w)"h +o/&!e''e# ,'e'
Use of Hydraulics
The h$#!(l)+ &!e'' )*3e*"e# 2$ E*,l)'h
/* Joh* B!h/h w' o*e o. "he !'" wo!-2le &)e+e' o. /+h)*e!$
#e3elo&e# "h" ('e# h$#!(l)+' )* )"'
o&e!")o* I" +o*')'"e# o. &l(*,e!
&(/& &)&e# "o l!,e +$l)*#e! *# !/
Th)' &!e'' .o(*# w)#e ('e )* E*,l*#2e+('e )" &!o3)#e# /o!e e?e+")3e *#
e+o*o/)+l /e*' o. &&l$)*, l!,e .o!+e'
)* )*#('"!)l ('e' To#$ h$#!(l)+ &owe!
)' ('e# "o o&e!"e /*$ #)?e!e*" "ool'
*# /e+h*)'/' I* ,!,e
/e+h*)+ !)'e' "he e*# o. * ("o-
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/o2)le w)"h h$#!(l)+ 0+ De*")'"' *#
2!2e!' ('e h$#!(l)+ &owe! "h!o(,h .ew
'"!oe' o. +o*"!ol le3e! "o l)." *# &o')")o*"he)! +h)!' "o +o*3e*)e*"
wo!)*, he),h" H$#!(l)+ #oo!'"o&' ee&
he3$ #oo!' .!o/ 'l//)*, H$#!(l)+
2!e' h3e 2ee* '"*#!# e6()&/e*" o*
("o-/o2)le' ')*+e "he 15=' Mo'"
("o/o2)le' !e e6()&&e# w)"h ("o/")+"!*'/)'')o*' "h" !e h$#!(l)+ll$
o&e!"e# Powe! '"ee!)*, )' *o"he!
&&l)+")o* o. h$#!(l)+ &owe!
Co*'"!(+")o* wo!e!' #e&e*# (&o* h$#!(l)+
&owe! .o! "he o&e!")o* o. 3!)o('
+o/&o*e*"' o. "he)! e6()&/e*" >o!
e%/&le "he 2l#e o. 2(ll#oe! )'
*o!/ll$ o&e!"e# 2$ h$#!(l)+ &owe!
D(!)*, "he &e!)o# &!e+e#)*, Wo!l# W!
II "he N3$ 2e,* "o &&l$ h$#!(l)+' "o
*3l /e+h*)'/' e%"e*')3el$ S)*+e "he* *3l &&l)+")o*' h3e )*+!e'e#
"o "he &o)*" whe!e /*$ )*,e*)o('
h$#!(l)+ #e3)+e' !e ('e# )* "he 'ol(")o* o.
&!o2le/' o. ,(**e!$ e!o*(")+' *#
*3),")o* A2o!# 'h)& h$#!(l)+ &owe! )'
('e# "o o&e!"e '(+h e6()&/e*" ' *+ho!
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*# A !e&!e'e*"' !e
>o!+e e6(l' &!e''(!e ")/e' !e
P!e''(!e e6(l' .o!+e #)3)#e# 2$ !e B$ !e
!!*,)*, "he .o!/(l "h)' '""e/e*" /$
2e +o*#e*'e# )*"o
P F
A
S)*+e !e e6(l' .o!+e #)3)#e# 2$&!e''(!e"he .o!/(l )' w!)""e*
NOTE% So/e")/e' "he !e /$ *o" 2e
e%&!e''e# )* '6(!e (*)"' I. "he '(!.+e
)' !e+"*,(l! $o( +* #e"e!/)*e )"' !e 2$ /(l")&l$)*, )"' le*,"h 9'$ )*
)*+he': 2$ )"' w)#"h9l'o )* )*+he': The
/0o!)"$ o. !e' $o( w)ll +o*')#e! )*
"he'e +l+(l")o*' !e +)!+(l! )* 'h&e
E)"he! "he !#)(' o! "he #)/e"e! /$ 2e
HYDRAULIC ARM P,e 1;
Th)' ,(!e )ll('"!"e' /e/o!$ #e3)+e
.o!!e+ll)*, "he #)?e!e*" 3!)")o*' o. "h)'
.o!/(lA*$ le""e! )* "he "!)*,le /$ 2e
e%&!e''e# ' "he&!o#(+" o! 6(o")e*" o. "he o"he!
"wo #e&e*#)*,o* )"' &o')")o* w)"h)* "he
"!)*,le>o! e%/&le "o *# !e +o*')#e! "he
le""e!A ' 2e)*, 'e" o? "o )"'el. .ollowe# 2$ *
e6(l'),* Now loo " "he o"he! "wo le""e!' The
le""e!> )' 2o3e "he le""e! P "he!e.o!e
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,)3e* 2(" $o( /('" *ow "he !#)(' )*
)*+he' "o *# "he !e The !#)(' )' o*e-
hl. "he #)/e"e! To #e"e!/)*e "he !e('e "he .o!/(l .o! *#)*, "he !e o.
+)!+le Th)' )' w!)""e* A whe!e A )' "he !eA= r
2
)' 51;1 951; o! 5 1F7 .o! /o'"
+l+(l")o*': *# !4 )*#)+"e' "he !#)('
'6(!e#
MULTIPLICATION O> >ORCES
Co*')#e! "he ')"(")o* )* ,(!e 4-11
whe!e "he )*&(" &)'"o* )' /(+h '/lle!
"h* "he o("&(" &)'"o* A''(/e "h" "he
!e o. "he )*&(" &)'"o* )' 4'6(!e
)*+he' W)"h !e')'"*" .o!+e o* "he o("&("
&)'"o* #ow*w!# .o!+e o. 4= &o(*#'
+")*, o* "he )*&(" &)'"o* +!e"e' &!e''(!e
o.20
2 o! 1= &') )* "he @()# Al"ho(,h "h)'
.o!+e )' /(+h '/lle! "h* "he .o!+e &&l)e#
)* ,(!e' 4- *# 4-1= "he &!e''(!e )' "he
'/e Th)' )' 2e+('e "he .o!+e )' &&l)e#
"o '/lle! !e
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Tra&sitti&' force t(rou'( a sall )i)e
Th)' &!e''(!e o. 1= &') +"' o* ll &!"' o."he@()# +o*")*e! )*+l(#)*, "he 2o""o/ o.
"heo("&(" &)'"o* The (&w!# .o!+e o*
"he o("&("&)'"o* )' 4== &o(*#' 91=
&o(*#' o. &!e''(!e o*e+h '6(!e )*+h:
I* "h)' +'e "he o!),)*l .o!+eh' 2ee*
/(l")&l)e# "e*.ol# wh)le (')*, "he
'/e&!e''(!e )* "he @()# ' 2e.o!e I* *$
'$'"e/ w)"h "he'e #)/e*')o*' "he !")o o.
o("&(" .o!+e "o )*&(" .o!+e )' lw$' "e* "o
o*e !e,!#le'' o. "he&&l)e# .o!+e >o!
e%/&le ). "he &&l)e# .o!+e o. "he )*&("&)'"o* )' = &o(*#' "he &!e''(!e )* "he
'$'"e/ w)ll 2e 4 &') Th)' w)ll '(&&o!"
!e')'"*" .o!+e o. == &o(*#' o* "he o("&("
&)'"o*
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Multi)licatio& of forces
The '$'"e/ wo!' "he '/e )* !e3e!'e I.
we+h*,e "he &&l)e# .o!+e *# &l+e
4==-&o(*# .o!+e o* "he o("&(" &)'"o* 9,
4-11: /)*, )""he )*&(" &)'"o* "he
o("&(" .o!+e o* "he )*&(" &)'"o* w)ll 2e
o*e-"e*"h "he )*&(" .o!+e o! 4=&o(*#'9So/e")/e' '(+h !e'(l"' !e
#e')!e#:The!e.o!e ). "wo &)'"o*' !e
('e# )* @()# &owe!'$'"e/ "he .o!+e
+")*, o* e+h &)'"o* )' #)!e+"l$ &!o&o!")o*l
"o )"' !e *# "he /,*)"(#e o. e+h
.o!+e )' "he &!o#(+" o. "he &!e''(!e *# "he
!e o. e+h &)'"o*
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HYDRAULIC !LUID$
D(!)*, "he #e'),* o. e6()&/e*" "h"
!e6()!e' @()# &owe! /*$ .+"o!' !e
+o*')#e!e# )* 'ele+")*, "he "$&e o. '$'"e/
"o 2e ('e#h$#!(l)+ &*e(/")+ o!
+o/2)*")o* o. "he "wo So/e o. "he
.+"o!' !e !e6()!e# '&ee# *# ++(!+$ o.
o&e!")o* '(!!o(*#)*, "/o'&he!)++o*#)")o*' e+o*o/)+ +o*#)")o*'
3)l2)l)"$ o. !e&l+e/e*" @()# !e6()!e#
&!e''(!e le3el o&e!")*, "e/&e!"(!e
!*,e +o*"/)*")o* &o'')2)l)")e' +o'" o.
"!*'/)'')o* l)*e' l)/)"")o*' o. "he
e6()&/e*" l(2!)+)"$ '.e"$ "o "he
o&e!"o!' *# e%&e+"e# 'e!3)+e l).e o. "he
e6()&/e*" A."e! "he "$&e o. '$'"e/ h'
2ee* 'ele+"e# /*$ o. "he'e '/e
.+"o!' /('" 2e +o*')#e!e# )* 'ele+")*,
"he @()# .o! "he '$'"e/ Th)' +h&"e! )'#e3o"e# "o h$#!(l)+ @()#' I*+l(#e# )* )" !e
'e+")o*' o* "he &!o&e!")e' *#
+h!+"e!)'")+' #e')!e# o. h$#!(l)+ @()#'
"$&e' o. h$#!(l)+ @()#' h!#' *#
'.e"$ &!e+(")o*' .o! wo!)*, w)"h
h*#l)*, *# #)'&o')*, o. h$#!(l)+
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l)6()#' "$&e' *# +o*"!ol o.
+o*"/)*")o* *# D(!)*, "he #e'),* o.
e6()&/e*" "h" !e6()!e' @()# &owe! /*$.+"o!' !e +o*')#e!e# )* 'ele+")*, "he
"$&e o. '$'"e/ "o 2e ('e#h$#!(l)+
&*e(/")+ o! +o/2)*")o* o. "he "wo
So/e o. "he .+"o!' !e !e6()!e# '&ee# *#
++(!+$ o. o&e!")o* '(!!o(*#)*,
"/o'&he!)+ +o*#)")o*' e+o*o/)++o*#)")o*' 3)l2)l)"$ o. !e&l+e/e*"
@()# !e6()!e# &!e''(!e le3el o&e!")*,
"e/&e!"(!e !*,e +o*"/)*")o*
&o'')2)l)")e' +o'" o. "!*'/)'')o* l)*e'
l)/)"")o*' o. "he e6()&/e*" l(2!)+)"$
'.e"$ "o "he o&e!"o!' *# e%&e+"e#
'e!3)+e l).e o. "he e6()&/e*" A."e! "he
"$&e o. '$'"e/ h' 2ee* 'ele+"e# /*$
o. "he'e '/e .+"o!' /('" 2e
+o*')#e!e# )* 'ele+")*, "he @()# .o! "he
'$'"e/ Th)' +h&"e! )' #e3o"e# "o h$#!(l)+@()#' I*+l(#e# )* )" !e 'e+")o*' o* "he
&!o&e!")e' *# +h!+"e!)'")+' #e')!e# o.
h$#!(l)+ @()#' "$&e' o. h$#!(l)+ @()#'
h!#' *# '.e"$ &!e+(")o*' .o!
wo!)*, w)"h h*#l)*, *# #)'&o')*,
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o. h$#!(l)+ l)6()#' "$&e' *# +o*"!ol o.
+o*"/)*")o* *# '/&l)*,
R#ERTIES
I. @()#)"$ 9"he &h$')+l &!o&e!"$ o.
'(2'"*+e "h" e*2le' )" "o @ow: *#
)*+o/&!e'')2)l)"$ we!e "he o*l$ &!o&e!")e'
!e6()!e# *$ l)6()# *o" "oo "h)+ /),h"
2e ('e# )* h$#!(l)+ '$'"e/ Howe3e! '")'.+"o!$ l)6()# .o! &!")+(l!
'$'"e/ /('" &o''e'' *(/2e! o. o"he!
&!o&e!")e' The /o'" )/&o!"*" &!o&e!")e'
*# 'o/e +h!+"e!)'")+' !e #)'+(''e# )*
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