Lab Report : O2
Tithe
Introcoction 40 lathe machine, tts parts
| fonction ancl operations .
objectives i
+ Te hewe_ detaril totredaction of (athe machine
Ze _fave a Kmeewfeclge about Lethe mac Aine practiat
tse,
J+ 7 Knew about lathe mache parts anel they
timthion .
+ To breify cliscuss operation that tan be performed on
bathe machine.
\
Pee from it.
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Reorrticod Backg tounol.: a |
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Lathe Machines
a A meehine 4
UmMelesireeble mecterial frum _o Yetating twevKprece 1m
the fern sf chips turth the help af tetting tech Jo,
[gis Tefervest Shape anct Sr to_twerkperee . [ __|
Bot th one of ty most versatile anc cwrelety eesecl
machines tool aco ogy the watel. ot 1k alse Known 1
a4 -Mothe-y Sf aci the machine becaccse «t tan Baforn
function act machine except geasi amatong. |
jwarking PUN Cp be
The lathe ewerks_on principal sf neleting |
luerkpreee ene a fixect cutting tool. The twar Kprete
held belween fwo argicl Seeppert _Coutlect chuck, _ whith
Tewolves . The cutting fooe ts hell andl Suppattecl im a
Pteee pore, whl! feed against revolving wot kperte
the 1
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ood
Scanned with CamScannerTool post
,
chock /
heaclsfock , TA ash stock locke
- nA
Speeol
Pe bee
i and tronsves
os pera . a feeol Dewey
a FIG-o1% Lathe Machine
Scanned with CamScannerTV anel tunte amore peapenetececa»
_——
=>. The tock curl omeove paretle? fe the cunr's &
reed ¥ werkpteec fen Prectvers
Cylindmital Sevgace;
notations asus
of tverkpree 4e_proclore fled Serfece, The rmevement ce
— | took at angle fo rotations axi write procliies -faper
=geaee |
Serface in_werkpiete .
Operate t-
The OpeveHions that Can be Performed on
Lath: mmachine are giver. a:
+ plein funming «Teepe forning
+ Facing : »_Treacing
7 parting o 7 Cham Fearn
2 Ficerting ee
0.
-Priluing __ c
| Cetting 4600 Useot ———E
a .
Right hanel_cotting ' teal
2 Left hencl _ Cetting Loot
peel_catting foot
+ Sqvaredl sha pect cadeing tool
* Parking took
+ Rouncl ose Grooving tool
+ Round corner focrning tool __
* Chom fering too.e
| ACME Brcol forming tool
. Toning tool
* Bonng tool
2 Coomen Bowing | took
+ Under cutting tool
Scanned with CamScanner3 Right Left Radius Chamfering
Parting Tuming hand hand Turing ‘Thread Tool
Tool Tool ~ Turning Turning Farm Cutting
Tool Tool Tool Tool
Righthand — Right Hand Right Hand LeftHand LeftHand Right Hand
Roughing Finishing Facing Roughing — Finishing Facing
Ag og A
Round Nose Round Nose Grooving Radius Threading [ncoang
Grooving — Turning rang en Forming me
Lathe Machine Cutting Tools
Scanned with CamScannerEee:
_——
the feecl Sf the Lathe ts the distances the
|_tectling feel aclvants along the lengh a,
workpiece for ome re Lolectiem Sf the Spin be .
Si 5t 5) clevatecl by iF
= | ots Und ts mm [rev oy in frev.
|e
ee ie er by ceetting took eleng
the Length op _tveskprec for ene Yevoluton i'n unit
time. [
ie sot 5 clemofect by Fy ancl 7s given as
Fes NE
N= Speeol im _ RPM Ff the Spindle
Fz Feed :
| Feel vat Can be measercal tm ommbec ov hee .
| Chips
Mockerial emovecl from c twerkplece wlth the
help “fa took ane known as chips. Chips Can __be
—j_Continow, or cliseentinows
— | @: Continows Chips x
—_| Chips feamecl dewng onachining euthont
breakage oy Sesments. Comtinous chips eesere Cy forms
{fn _oluctife moakrial .
2: Discontinoess chipe « : _ |
— Tie chips formecl_tn Segments Cor_twith
bcakage) Usually formeol_in butlG matenal.
> cliscontir hip . oa h En :
OS CINPS Cwrice forms hen mahal fs brittle cout
AL Speeot 15 Reverr feed ws Cage vy Lovge Valee of choptn of
|
Scanned with CamScannerOn Lathe Machi
oo Parts Ff. athe me
~_|_@©_Heack sock
wt ts Present en the lept emcl of the
beet and tts fonchi ts fo ransmrt power _to_the
| chifferent Pants
¢ can Leckecl cress- B
_|@: cross srcbe a es
[a = _ the _cvoss- Shick 15 _a_Compenent_sfeend en.
[the top fa Cothe that allows the toot bit to St
| beck onc forth, st A proviclecl crt femelle Clovése
Me sickle and astomblect on the top of the Saddle tovth
| is male clovederts. Top Scrface 2f Cross -Slrde rs provictcel _
—_| tth T-Stels to enable firing of "vee ar coolant
atlachment.
Compound Rest 1 — i
ot 6 Pritsent_on the top Sf cnoss-chriles .
Ot Suppetts the tool pest_ane(_Ceettrng too tn rs vamous
Position, ot 1s responsibee fer Lengnituchinal motion of teal.
—~~_| ot has ange of 0-ys? of which eve com Select clvrection
ot Sotieg fol ft compet el | eee turnin
Leng hes | boning shit tapers, taper during Gad forms on
Leeming tovks. [7
U
i
Scanned with CamScannerA 2 - compound
vey
gcd
Gross —
Sticke
chig
Uv
Hand trawers/;
ee my loamituclina end
bransuense feool ]
Scanned with CamScanner(QD): Teoh post :-
| The__toc@ post _ rs -mountecl on _the_Cempeenel
Tweet. ot 15 ctseol te hotel variters Ceetting tool. of has
————F,
nee
| cont Thad does mid torn freely and ha
[a TSlets fer hofeling the ceetting tool. 9¢ gets _ rts
movement by the smovernent ¥f Cross-Slrde-s .
(QO: Apres
| Be Apu ts fitlecl te the frent position of the
i Sactelke_fecrng the operector. consist fe hard wheel fer
| smevement, a fever to engage the acelometre fecl for
the SaclelOc, actomatte feecl Chedeh. 9¢ Contam controls
( rock or fea Seveen _
to Gransmel motion fiom the f
icles
to Fhe Cartage ancl _cross-sl
Lw: Hamel _traverising wheel
wheel Cesect fer the movement _
rotation to tt ancl _utce Vera - -
@: Tat@ stock
_ 2s assembly focatect cppostte to the
heacl sfotk nthe vos Sf hed. ot ts mace up of ast
Iron to absorb vibration ening machining. The becly of
daildtock 1 acljaslable on the base _evhich th amemteel on
the qeucle wo of becl_and Can he mmovecl_to_and fro.
s 2 potting _OFhew encl &f the work tuhen
: st tc etseot for Seep) 4
: being machine. ot ts alto esecl for hoteling, Specimen fer
Performing eliffencot operation (ike olortting, yeomrrg f - tapen
d
ot has following emncrins ports:
Q: Dead tontre
|
f
aa
+
|
t
fs
>
Scanned with CamScanner
| sactclle movement, pinion lo engace crit vack {or Secldce |
;
| sf ccorvage frm Rpt to aight by giving cecnbr- cleck
|
}
|Scanned with CamScannerbeen Grond 0 a pornt to Recevatelg position a workpiece |
mM _am_anu's,
> Duc ted fn féxecl position a cleael @nfie precluces —
friction behveon werkpiecs anel Centre clue te rotation of
| we therefore esured between the
. al ee el nee Prevents friction wedding .
| @: Te-Pstock hock +
= | Pe _hever whose _actieness wit
4g BI freeze the movement. ee tasl- stocks by applying Clamping
Prescexe tyvoesh Kam am Clamp. :
Gi) thal heed :- }
Hees Axtal adjestment Sf the deaol rte 1 the |
amoveccble Spirdl: (1m He taie-stock bocly 1% provide by |
Bal Bower ste Arc hancl wheel, -
@: Lathe Beol + be bie |
The becl oF the Lethe 15 the base on cthich |
LEE other paws va the Dothe are mrovotect, Bed 1s macle |
Scanned with CamScanner@ chips pan_ox tay 3
ot fs present at the botlem Sf _the
othe. tray ts erseel eo collect the Chips that ax prcdetcecl
eluming. Lethe operation .
The _ternponect at the boem of Cathe machine |
that (xr the ourele foacl «f Lathe t's mol up i
cast tren for high Shock absvbanc .
_| Feel Sebection
Fee ts the Ailance thet cectting tool _
coral fer the me retalection _ the _aarrangernerit $f Gear sheen ty Erg-osa gives ak feck]
Ent ewnrt mfyey. Ark feel conte be taken rn intr _|
If Gear's aviteernent 1s Orke Sheen’ Fig-0Sb, |
|@© For He clesrrecl Feecl, first of ace seer wigs make |
= corremgement bE Gear axccoveling to tls ant.
—__ |@: New cheeks” the _Colemn ef clesirecl feecl_mm_evh
# Mies Cte, 2,3, Sand 6); anc Place thrimble at
thet position, i
ie Also cheek the you en _twhich clesirect feect Lres (equi,
By and C) and rwlate Fecol Selecky fuel to that erttion, |
Hense the desired feel owtee get acherircol « ;
——|5 For checking the _covvent Fecot _
—__| @: niowe to either figeSa ox figs acorcling to Gert owvangemerd,
Qi Cheek tne postion of feock Selecker lever “and thir bee. |
B): Feel write be the valeec, in units accorclingy fo Geax antargemont,
Scanned with CamScannerll
fom
ae aoa
Scanned with CamScannerat which postion yf feecl Seleckr _anct thimble
— mmtersect tin the fecel tabbe.
| Avtomatie feed *
“= (ioc ee
smanceclly as Cuvee ces Aectomecitatry. The _flectemerte
fecol_to the toc? post fs given for Srreoth cateng
of werkptece ancl ts Jie the following manner.
| @! Kotede the (rad Sere Cover teewancl wyht for ferming
ON the leadl Seren roel.
Feed roel.
toward waht. The leacl Screw ancl Tod _wike -ree
to the Carrarge - a
[@):_necos when Youu gives wight posttion fo Sfarter seurich,
the ae WwIke move acctomatrcalty fem pt to wight;
to heft. _
@: changing the pesilion of legmituclinal and Lrantver feeol
Lever” towarcl Lg wire stops the lognituctenal -mAion &
@:_ Alto vetedes the feel tver te right to tere ont the
|
Di Neco votedes the c* bongnrtaclinal ancl trensvere feet forex |
arangecl therseMp fn a position to gives Branituclinal melicn |
amet _tf you voletes the Stardey seorich towarel hept » then
Canrecigfe (wie perfec tts aretomectle métion fam right _
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i
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Carverqe ancl wee enable the Aalemehe farwarcl
trensverse ametion of tool post
—_|@: now changing the _ position of. feeol fewer _tocvard Left |
Le enable the Automatic baokeuaicl tvantverse medion
oration perpmoliteter to anit ap evavky eee) af tool por, At
fis position , the cnecs bide Cui Ol Auctem'ca.y Prtferms Clock.
wise rotation,
Scanned with CamScanner+
Speech Mechanism of Spindle :-
(| Re traneiition of
| pve [Specel_from moter to Spindle is done tmeush 3-shoyt, |
| The _betlom Shayt we |
t bottom of fogs Belocw heaclHocks) ancl twice behaving
J tece Pulleys. Me betlom Shafl's tae pulley are mamed es
| A ancl B. Raclicr ff Pecley A wie Sect Compares te reiclrter
ef pecieg B. The pulley A tan only be conmectecl to
Pelle, 4: A “f omiclellte Shag t ene pectle y. Bf Botlem Shof t i]
| cen onkg be Connected to peecley B sf raves Shep t thaoush
belt. 9€ shoelel be metect thet veclries of Pulley Bf mitelee
| feltowing elation) WT <%5. ese pulley of amctelle |)
shagt Can only be conmectedt to peetlery b2,arel 3 rmypilily |
top short. The -raclial Sesverce of top Shopt | petey, ts
oppertle to that af ~nicldlle Shope Ces) M7777) . i
> The Power from moter wite fransrnitted from bottom
Shept through pulled to the fept Sicle pulley of mnidtelte |
—
| Shaft. From mnidclle shaft, the vght siele pulley eee I
Lanymits power te p Shaft through Perce cohich evree
Gives relational Sprecl te the Spindle.
Current Speecls_cheoking 1-
->— @ Note the connect of be(t with botlem
—
Shope puceey Clet So Pettey A):
Also mete the connection of betk ewith top shape padtey . Let
but it connectect ewith putber 2- :
®: Note the position of Speed Selector. Of Specol Selector ts at
Scanned with CamScannerad vival postion , then bept Ske of Speccl table (Fy. )
Sholel be tied ancl tf Speeol Klecky 1s at Leptwarel
position then Lept Sick °F Speecl table CEig- +) wree be
Br |) cites, Lets co Speed Selector ti at Lptwarcl portion. _
(i): Ths ocr wees check Valse of FQ _on_the Lept side
af Speed table which 1s bo 7pm and this veleer wee
be consilercol as rotational Speed of Sproctte -
S spindles ee
"__(D_Note the Connection of hett
with bottom Shapts pucley ancl top shaft pelleg acclrg
do_gour dlesrveck Speecl fem Speeol fable. Let 9 went to
acheive Speeol of tosaRPM, which 1s Lres in frent_ of B-2
on abt Stcle rae See et
@: posttioned the Peed Kher vervhal fo acherving valtee
fight side of Speed terblke = =
): At fhe aes there _cwr00 be belt tighten pects , prcce_
fe fovtorcl yoursebp “to Loose fhe Connectien &f helt curih
Clo
(): ee, beet with bettem Shopl’s Pp ese caey
c clestrecl Specel. me.) connect beCt re ee!
RPM Speech Sf Spire.
Scanned with CamScanner