8/20/2019 Motorized Screw Jack.pptx
1/19
Design and Fabricationof
Motorized Screw Jack A Presentation
Department of Mechanical Engineering
Northern Institte !f Engineering "echnical
#amps$ Alwar
MAY-2015
Sbmitted "o% Sbmitted b&% Mr. Shailendra Singh Son 'ada( )**ENAME+,,-HOD (Mechanical) Pawan .r/ 'ada( )**ENAME+0*-
Manish .mar )**ENAME+*1-Sandeep .r/ 'ada( )**ENAME+,+-
2inod .mar )**ENAME+,3-
8/20/2019 Motorized Screw Jack.pptx
2/19
IN"4!D5#"I!NPower screws are used o con!er
roar" #oion ino ranslaor #oion.
A screw $ac% is an e&a#'le o a
'ower screw in which a s#all orce
a''lied in a horional 'lane is used
o raise or lower a large load.
*he 'rinci'le on which i wor%s is
si#ilar o ha o an inclined 'lane.
8/20/2019 Motorized Screw Jack.pptx
3/19
M!"!4I6ED S#4E7
JA#. *he #ooried screw $ac% has +een
de!elo'ed o caer o he needs o s#all and
#ediu# auo#o+ile garages.
,n #os o he garages he !ehicles are lied
+" using screw $ac%. *his needs high #an
'ower and s%illed la+or.
*he #ooried $ac% has +een designed in
such a wa" ha i can +e used o li he
!ehicle !er" s#oohl" wihou an" i#'ac
orce here+" increasing he #echanical
ad!anage.
8/20/2019 Motorized Screw Jack.pptx
4/19
7!4.IN8 P4IN#IP9E *he screw $ac% #o!es he screw u'ward so ha he !ehicle
lis ro# ground.
*he !ehicle is lied +" using he liing 'laor# a he o' o
he screw $ac%.
*he leadacid +aer" is used o dri!e he d.c #oor.
*he #oor draws 'ower su''l" ro# he +aer".
*he d.c #oor sha is conneced o he s'ur gear.
*he liing and u'liing is done +" changing he +aer" su''l"
o he #oor.
8/20/2019 Motorized Screw Jack.pptx
5/19
PA4"S !F M!"!4I6ED S#4E7
JA#. Screw /ac%
D.c. #oor ('er#anen #agne)
aer"S'ur ear
Swich
8/20/2019 Motorized Screw Jack.pptx
6/19
DESI8N !F S#4E7 JA#.
Selecion o Maerials
oads and Sresses in Screw
*hrus earings
Design calculaions o chec% he
sae" o 3AD S436
Design calculaions o chec% hesae" o nu
Design calculaions o chec% he
+uc%ling o screw
8/20/2019 Motorized Screw Jack.pptx
7/19
!PE4A"I!NA9 #!NSIDE4A"I!NS
!F A S#4E7 JA#. Mainain low surace
conac 'ressure.
Mainain low surace s'eed.
7ee' he #aing suraces well
lu+ricaed.
7ee' he #aing suraces clean.
7ee' hea awa".
8/20/2019 Motorized Screw Jack.pptx
8/19
D/#/ M!"!4 )PE4MANEN"
MA8NE"-An elecric #oor is a #achine which con!ers elecrical
energ" o #echanical energ".
A si#'le 2'ole D4 elecric #oor has 8 'ars1. An ar#aure or roor
2. A co##uaor
9. rushes
:. An a&le
5. A ;eld #agne
8. A D4 'ower su''l" o so#e sor
8/20/2019 Motorized Screw Jack.pptx
9/19
:A""E4IES,n isolaed s"se#s awa" ro# he grid +aeries are used or sorage
o e&cess solar energ" which can +e con!ered ino elecrical energ".
*o +e econo#icall" araci!e he sorage o solar elecrici" recienc"
5. ow discharge
8. Mini#u# #ainenance
8/20/2019 Motorized Screw Jack.pptx
10/19
8/20/2019 Motorized Screw Jack.pptx
11/19
8/20/2019 Motorized Screw Jack.pptx
12/19
SP54 8EA4 *he s'ur gears ' g which are designed o rans#i
#oion and 'ower +eween 'arallel shas are he #os
econo#ical gears in he 'ower rans#ission indusr".
Design considerations for a gear dri(e
,n he design o a gear dri!e he ollowing daa is usuall"
gi!en=
1. *he 'ower o +e rans#ied
2. *he s'eed o he dri!ing gear
9. *he s'eed o he dri!en gear or he !eloci" raio and
:. *he cenre disance.
8/20/2019 Motorized Screw Jack.pptx
13/19
S7I"#;
A swich is used in order o sar or so'
he enire o'eraion o he screw $ac%.
*he "'e $ "' o swich ha is used is
%nown as a oggle swich.
#ontrol cables are sed in order to
connect the batter& to the #oor and
he swich.A +ase or he enire seu' has also +een
used. *he #oor is #ouned on an
in!ered ? sha'ed su''or ra#e.
8/20/2019 Motorized Screw Jack.pptx
14/19
APP9I#A"I!NS, is useul in auogarages.
*his #ooried screw $ac% is used or liing
!ehicles. *hus i can +e useul or he
ollowing "'es o !ehicles in uure@
Marui A#+assador ia Mahindra
8/20/2019 Motorized Screw Jack.pptx
15/19
AD2AN"A8ES
*he loaded ligh !ehicles can +e easil" lied.
4hec%ing and cleaning are eas" +ecause he
#ain 'ars are screwed.
Handling is eas"
Bo Manual 'ower re
8/20/2019 Motorized Screw Jack.pptx
16/19
DISAD2AN"A8ES4os o he e
8/20/2019 Motorized Screw Jack.pptx
17/19
#!N#95SI!NScrew /ac%s are he ideal 'roduc o 'ush 'ull li lower and 'osiion
loads o an"hing ' " g ro# a cou'le o %ilogra#s o hundreds o
onnes.
*he need has long e&ised or an i#'ro!ed 'ora+le $ac% or
auo#oi!e !ehicles.
*he #ain re
8/20/2019 Motorized Screw Jack.pptx
18/19
An&
8/20/2019 Motorized Screw Jack.pptx
19/19
"hank 'o