Motorized Screw Jack.pptx

8/20/2019 Motorized Screw Jack.pptx

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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-


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.


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.


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.


5/19

PA4"S !F M!"!4I6ED S#4E7

JA#. Screw /ac%

D.c. #oor ('er#anen #agne)

aer"S'ur ear

Swich


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


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".


8/19

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


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


10/19


11/19


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.


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.


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


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


16/19

DISAD2AN"A8ES4os o he e


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


18/19

An&


19/19

"hank 'o

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Motorized Screw Jack.pptx