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The document outlines various hand processes and tools used in metalworking, including hand tools, files, hacksaws, cold chisels, and screwdrivers. It details the specific uses, types, and techniques associated with each tool, emphasizing safety and proper handling. Additionally, it covers the importance of selecting the right tool for the job and provides guidelines for effective use.
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Save mmae notes For Later 2016/08/02
2.0 HAND PROCESSES
vopULs
=
2.1 HAND TOOLS
+ Hand tool ace used to remove small mounts of
‘ate scaly fom seal areas of the workpiece
wha,
Mp maciv asad,
the weg ists ke tg 00a mshi
M the beget
sip al bts eps
mci do werk
* Some of the most commonly sed hand tools are
Engi’ fe, hak ld das rege npc”
[_ Bese or eis ps Dir ae pore bol
wpe
2.2 Engineer's files
* Used to perform awide vast of tk fom titra
stor ofp 0 prodacng inset spe where te wie ef
machine ic mpacacase
+ Obtained a vase of se and int fron 150 mo
3
———
ee
me
- otthesneoanerat
and with ewo sn of txt co across
{ce itis hoon 8 buble file,
Gre gc of 0 i-th spacing ofthe teeth and
Getermines the conseness or smoothness of the fle
+ Three standard grades of extia common use, from
coats 0 smoothest are han td and
* Bastard cat - for rough Bling to semove the most mated
Inthe shores ine,
* Second cut brings the wark cose to finished size sad
* Smooth cut gives 1 good Gish 10 the surface while
‘removing tbe smullest amount of material.
+ Files ae idensied ether by their geal bape — ie. hod ot
or pila or by thee asr-acion =i. iuon, tees,
end, halon baie
1D Hand files for general use, sypicely on fat ies
8 Tis esenpar nese,
* poral ie wae log tle,
‘per sgl hes fr esprit the is hired of
tl evade th poi
dbl beth fo,
1 snl enon ee andl nthe cd ee
ena a
(OPillas ile: bs the same section as hand fe but of =
‘hinoersecson.
+ tis ured for narcow slots and heyways
=<
(OF file: also for general use, rypicly cn at surfaces
> Rectangular io cross-section and tapers in both with and
thickness for approximately he et hid of is legs
toward the pour.
> Both faces are double-cur and both edges sagt
=e |2015
Square Biles eof spre even, tol for apprenenately
‘80 thieds of itelengh, thea cperng toward the pat. eis
‘cle om a ees
+ Used foe Bling kywoy set ao the smaller snort
rege bls with 50 des
‘Square a
OTivee square le alo ced bf has 6 ange
vesacton posi foc pons to fa of
Tenth then cig rowa the pint Te ese se
fina sod se op.
+ Used fr sre which et et hs 9, anal
a
Round Sle: eof ciralar rossseeion,
* poral fr poesia words of is lagib end then
‘apn oor hep
1 Sean. ond sth last ee te Bast it
eo
1 Ti ied fo elrging eed ley lng shes
Faster nd ies
@
QHateround fle: has on land oe ered ide
Tegal foc pprvimaly owt filth ten
pen aia chm tena ei
+The ae eit deca and be curved sides singlet
on endo ond fle
1 Thr an ero age debe perzave fl fo tos
od fo cred rcs ole for tern fle
q
Knife file: has a xvdeslgted exes section,
The hin ee ngsrigh let rhick ede tapes 0 be
isin cppracinaly the lat ir of lg
The idee debe.
+ Ths fei md in fig ote onl
=<
cate es: sed for very fe wor in toa making
Stig where very al ous of mater have tbe
‘emovedis iu haes ori conned space
+ Ansiabl fone 120 mote 180 me long, of mich approximately
‘olf ir florbaped and et, the remainder forming 2 sade car
ot a ———
‘ADereadaoughe files: have deep carved tei miled oo thee
faces.
+ Dag remo mtr ater dite fet
+ Toi rnp! is fing ft mai ut as
lenin te meta prose bt
1 The abd Lge ra of te wel a0
mali atl sas plc, wed lr ond ha
+ Ti pe of fis naa hod fl, blind ad
sare from 150 mo 64100 lng
+ To cab at ae bd m,n, tod ere
fu
Filing
Fingicrwotadedopeaton,
wel korsgea
Gop it seve: Toe handle is sipped
in the palo of the ght band with che
Bumb on top and the palm of tbe Tet
Ian sorting st the point ofthe le
a
Sind eyo he sie, The Yeh foot
heed wel forward to ake th weight of
dhe body on the foreué suche. The
Fight fot i placed well back fo enable
| enero pal or2016/08/02
‘Reenter tha ts one food ee ti tre
Th appled by i Bf Boud ge fmo eosee od sed
i ee
are of fies
Notes es apa btn dee he ee
snore dipped
+ Never broke i ned 0 pet dof lings inthe
twth— use a fle brush
+A Glebrush shouldbe ned replat remove Bigs from
‘the tet, a falar to do so wi ne raching of tr work
fo nd inert renaa of etal
_Abvaye cea the ile spin of the job before patongit
oo
+ Do eter mich rotanewhea using» new Ble ex some of
‘he wets may Bes off due to the herpes
Rec the ame ras, dn ai a fon rh nis of
castings, welds ox hard scale
Abas ue spr filed andl of the corte: sine
2.3 The hacksaw
+ The haskom is wsed ro cot mets
+ Whexe Lage amaut of mare srr have 1 be removed, this
is moze cay done by hacksawing avay the surplus rather
than by ling
+ The hacksaw bd sito a hackstw rane 09 t80beieg
int, one of which sedate i exes to tae the bade.
+ The hac fee should be rig, bold the blade in
cert agen, int Blade anys ase
oe
+The dei fine ote fame withthe ec pining re
fr ode 20 cote tenioed ting he
rt ae pte sc hen ping ore eso
oh
+ os bd wl to 0 lnk 28 ot et srt, while a9
wih Bod could pul ou th nt ofthe Blade
ee =
+ The standard backeaw blade i 300melong 131m wide
(0.65 mn tick and is avaable wit I, 15,6 and 32 teeth
pr Drone fon every 2S me lag of Sade there ae 14
teeth 18 teth and s0 0
+ Ahacksnw blade should be choses to sit,
0 te pe of mara bing a, whether hard or sof and
© the mst of ta, wheter thick secon o thin,
+ Tove important factors in the da of ih are
9 epi tne toe eh ath)
ibe moti jr wich de mode
«There as isin the Made big the ho mbes of
teeth se ue per xm
+ Likea fl the backsaw cus on the oar kr, whic is
‘when presure shouldbe applied, Presrore shoul be selessed
cn the rier ra
+ De not rush but ute long sendy stokes (around 70 stakes
‘per minute when using high-speed ste] Blades). The seme
balanced stoce should be used a fr Sling+ Thee types of hacksaw blade are salable: alan he
sad bial
> Allard ~ made fom hod higher tel Da to
‘hele all-abrough hardacs, ches Blades have» lng bade
‘elox ac also very bite and are eal broke if twisted
dudag eswing
> ese cade fom hgh el bt wit ony te
set ord Ti rel nals Hae bard ath
which iva ona and can terfore Be ed
iy te les opetenrd we or when ving men
vk prion, Toe Ba reed oo
rhino iy brig hd on
> Bimetalic this ype of blade consis of &
narrow tinge sp of bared bg peed et
joined to rag ale lack by eleewon bear
‘welding
+ This blade contines the
gualtes of bd of the
lard Made andthe
laokable abi of te
ese bd, esting a
shatterproof blade
with Joo Bie and er
costing properties
2.4 Cold chisels
+ Cold eisels are use foe cutting metal They are made
‘om high-carbon steel, hardened and tempered atthe
‘cing end,
+ The opposite end, which i ste by the hres, aot
bardened butt ef to withrtand the hammer bows
‘without chipping.
+ Cold cicls ae classe ap Bato crone-cu according
ro dhehape of the pot.
(DP has brad fl pas aa edo eth ht maa
mae it bad pcre ats.
The cuing edge is grovod t0
erode of pponitey 6 Soe
—_————)
1D Gross-cat: has a sorroer pint than the Mat chisel sad is
ied 0 a ps, erro zones, guar corm and bake
hen meno
a)
Using the chisel
+ When usinga cold chisel on sect material grea care must
bbe taken not to dior the metal by providing prger apport
(ork lig meen)
+ Tis best co mort ou the shape required, dri’ secet of,
Doles in the waste mates and we he ciel obi cngh
erwin the ele,
+ The chisel should be held fm a wf, an te bead
ould best mt bap few the hse keeping
you aye on the tng fy, not the ci ead
4+ Hola the chise! st approsioately 40%, Do oot held the
ie at 00 stupa aml otherwise it wl tend tone de
‘ctl Too shallow an angle will eause the chisel co skid
sad prevent ering
+ Use shamamer Large eeu 0 60 the ob, raping wel back
atthe ed of the handle, 0% 3th nd mare tb bad
+ Never allow lage ath heed to form onthe head of
schist, ae enon How foes the harsmes can die 2
chip which could fly off and damage your eye or hand.2016/08/02
old ae canbe spre epg he edge on a0 of os Sovpers
cond end, When xt-sbarpening, do wot slow the chisel 2.5 Scrap
see eitecome wohet sent tw betogend aco] | + Scoping dene vo remove mates et
Soren and beamabh emt ss salt ge xd eager ake
fling or chteing
+The purpote of srapng it therefore o ray high ts 0
ee oe 4 Te filrciadal Sie md epee tac
(eat ci Surg settles in which hbscant ean e belé berseea
~ Se we ie iy unces.
(cet eonings ae + Surface pate and erface bles are examples of scraping
[Steet ae Deng used when fatness of preme importance
+ Bamps where bath sms an lating proper axe 0A ah fim of eg) dies smeared evenly 0 the surface
equzed en besten on the ssbg sults of ent lathes 208 Plate, and Uh foe lee ape spaced 08 16 and mee
ing, sping agri mache Hab ran site ae
+ The Bat scapes, for use on flat surfaces resembles «hand (© Any igh oteshow up a8 blue spots, and dese ate
‘ie tinned dowa st the poins bot it doce not have any ‘edoced by sping. The surfaces aps ocr, red
tnd the rn ir rete un the dred lnc obtained
teeth ut on it
‘0 Their ghth aoe,
(© Thecating dy aegp harp by eas of 0 cto ‘0 Fnnets of the eure ie ered wl th hea bi
© Cats th far a, he igh sing mado ot snaps ren ane y Be fora te sue pat
(tin yt foward robes
© The flamers ch wit ferme 1.2 fe pete
seen _ tuna mca
heures
echidna, |_| nenintbem cine otis
pee nsmerr pent
on each side.
fied oa atmghrrend bed, sean hickory oc #2
+ The durcesquace or uhangular scraper: commonly
sed to remove the sharp edges fo curved sarfaces and +The fa sing sutaeis hewn ash fae and the
obs pposte end ie eed zen
rc + The most commmenly used i the ball pein, which has
LS enema 8 sed foe ning er te ends of is
— = 0d
=D I+ Por ot with fl ah ann oc with ibd
compos whee the werkgize coud be Scagedif
seek by an engineer’ bares, 2 ange of hamnes
sealable with sf fe, usuly hide, copper or» tough
lai rch a
+ The soft faces are usualy inthe fen of mpl ats
secewed ato the Dead ta sin te Facey
+ Always use a hammer which is ay gh to dav the
eguiced force bot not bay tobe tng in use,
|
+ The seal sates, 7 hy m9 02 Ky ace uted for ent
aneling whe the {Ag ooes ace used wih shi oe
‘when diving dye Ay als oes
+ The inh of te kone designed fo the spread
‘ra and te hammer shoal be eid mea ted of the
‘endl 0 deliver the neue io,
+ Akay easoce that the lowe bondi sound and thet the
eed ieee fed
2.7 Screwdrivers
* Screwdeivers are used only tonite or ovr rm. (Thy
‘auld oer bad i sid, ten in, of ait line off bt
port cho liao ba.
+ Siren bade nade foe toghened lay ste
+ These are two pes af sexew sor the sri lt nad the
sro ait
* Sccew devers may be Mar (undo righ el x 888 fd
ens
+ Absays select dhe sccewdive to cut the sizeof tr ad
and the ape of et
+ In the interests of personal safety, ner Bld he work in
por bond while ening ox loareeg vere = the Bade may
‘kp and cruise anata.
+ Aways bold the work sear ae o cleo alid
ao
2.7 Taps
Tapping isthe opection of curing en inten! shad by
a ofa curing tool known 1 «5
+ Theoue vid thelocgest ead ES.
ie sefezed to asthe opr ce
fit wp, the nex the eed —
sxiamaien ipods see 19
third chich hata very chore
lead as the luctong org ag Om
te. t
+ A scuxe's prosded atone seotan
fend soit be tap can be
easily rotted by bolding iin
gp nen
+ Thestac pipe of wrendia
ied fee the smaller tp sizes2016/08/02
[7 she ise sage in epping is ail bok shore
oral chy lrg thor re ana of se thd)
“Tapping is then sacred using the per oft ep securely
Il in tgp we. The tp erate, ping dnd
press unt cating starts
si
‘Therap should be nrc ask gue ger, to lp a
foes te Ate.
+ Wen ping ind hu great exe seul be taken not 9
Sea ip. The wp shoo be esol thorn
tunes any hips be removed before proceeing (0
tbe al dep
2.9 Dies
+ Dies are wed 1 oo evra ied and ae svalable in siees
‘yp to approximately 35 sn tend ameter
+ The commen spe for vse by hand the circular spit
dic, made fro lighsped ie arm a8 perl a0 8
‘tc 0 enable smal ajurtmenss of size to be made
“The dies heldin solder Roowa asa die stock, which
nasa nal aren for arin the sxe 20d ide dking
ret hie Tock in dnp in te outside diamere ofthe
ae
cares Die holder
‘open de
~ Sis teting
i soe ie
“The dic ie inserted inthe holder withthe i Bud wp with
‘he ental ava: The cents] eerie then tightened ¢o that
thedieie expanded, and the two ide locking cerews are
‘Bgened wo bold ihe di in postion,
* Dies have aad on the fir wo or duce theads, to help
a ating, bx iw alco te have» chamfer on the
cad of the component
+ Thee ig plod sgnarehon the end of the bar aad it
‘tad oping daoevard frac wa eon sts,
‘ensuing thatthe eck borg
+The die shoul be rovated hort every evo ox tree
toens, to bk ap and rte ps, The thread can 9Ow be
checked wath amit
1+ As wit tapping sve ig sad bt vat ate prodioced
‘when a propritar coting compounds osee
2.40 Powered hand tools
+ Themain advantages of powered hand tools are
© thereon of mn ft
© thee up ofthe eprtion.
© The oper, big aftr, ob carey th task
‘moiety andthe ering pf th aprtion rie
er prebusin st
(© Boi poe 2 pmerd hand tl ean Be ah to th ork,
soi cn abe had9 ors retin es,
‘The or of powered tools ie mil eresorthaa the cura?
‘raved ad mast bien inc caren a hie asf Be
ed.
—s
+ Powered and tools ean be dco ipa.
In genes rt or De tha the agus a a,
dort thei ulin water, chee ender wrgh 2g ble
lon gunn siege reas igh 0.9 hg
_Aineprati too 2a be safely wed in ost work
‘oodiions, whl sonst should ot be used in
‘conditions which arene ox damp or ver the ira ik of Je
lr sploe, soca io lune oe dt armor
+ Some of the powered ad too are: Band dil aendinr,
ingot sreach grid, ote seers homersPliers, Snips, & Vice Grips
Pliers and Snips
Usage: These electrical plers have a wire cutting edge and wide
Jaws. The handle is insulated for shock resistance.
Channel Lock Pliers
Usage: Channel iock piers are easily adjusted to ft all sizes of
pipe or botts.
Needle Nose Pliers
Usage: Needle nose pliers ars used in hard to reach areas; side
cutters are used to cut wire,
Side Cut Pliers
Usage: Needle nose pliers are used in hard to reach areas; side
cutters are used to cut wire.
Assorted Vise Grips
Usage: Vise grips have @ locking handle that wil grip with out
being hele, they are used to hold metal pieces together for
welding, bolting, or alignment process.
Assorted Vise Grips
Usage: Vise atips have a locking hanale that wit rip with out
being hed, they are used to hold metal pieces together for
welding, bolting, or elgnment process.