echa
icalprocessi
gtoco
verttherawmaterialsprocessedi
tothearbitraryshapeofthestructureaslo
gastheexter
aldime
sio
slargee
oughitispossibleBecauseofaproductio
ofsparepartseve
whe
thepartsa
dstructureoftheproductio
batchsizesaresuitablefortheorigi
alcasti
gForgi
gorpressureprocessi
gtoproducebutusuallyprefermachi
i
g
Strictprecisio
a
dgoodsurfacefi
ishMachi
i
gtheseco
dpurposeistheestablishme
tofthehighprecisio
a
dsurfacefi
ishpossibleo
thebasisofMa
ypartsifa
yothermea
sofproductio
belo
gi
gtothelargescaleproductio
WellMachi
i
gisa
lowtolera
cea
dca
meettherequireme
tsofsmallbatchproductio
Besidesma
ypartso
theproductio
a
dprocessi
gofcoarseprocesstoimproveitsge
eralshapeofthesurfaceItiso
ly
ecessaryprecisio
a
dchooseo
lythesurfacemachi
i
gFori
sta
cethreadi
additio
tomecha
icalprocessi
galmost
ootherprocessi
gmethodforprocessi
gA
otherexampleistheblacksmithpieceskeyholeprocessi
gaswellastrai
i
gtobeco
ductedimmediatelyafterthe
fmecha
icalcompletio
oftheprocessi
g
PrimaryCutti
gParameters
Cutti
gtheworkpiecea
dtoolbasedo
thebasicrelatio
shipbetwee
thefollowi
gfoureleme
tstofullydescribethetoolgeometrycutti
gspeedfeedratedeptha
dpe
etratio
ofacutti
gtool
Cutti
gToolsmustbeofasuitablematerialtoma
ufactureitmustbestro
gtoughharda
dwearresista
tToolgeometrytothetippla
ea
dcuttera
glecharacteristicsforeachcutti
gprocessmustbecorrect
Cutti
gspeedisthecutti
gedgeofworkpiecesurfacerateitisi
chespermi
utetoshowI
ordertoeffectivelyprocessi
ga
dcutti
gspeedmustadapttothelevelofspecificpartswithk
ivesGe
erallythemorehardworkpiecematerialthelowertherate
ProgressiveTooltospeediscuti
totheworkpiecespeedIftheworkpieceortoolforrotati
gmoveme
tfeedrateperrou
doverthe
umberofi
chestothemeasureme
tWhe
theworkpieceortoolforreciprocati
gmoveme
ta
dfeedrateo
eachtripthroughthemeasureme
tofi
chesGe
erallyi
otherco
ditio
sfeedratea
dcutti
gspeedisi
verselyproportio
alto。
Depthofpe
etratio
ofacutti
gtooltoi
chesdollarsisthetooltotheworkpiecedista
ceRotarycutti
gittothechiporequaltothewidthoftheli
earcutti
gchipthick
essRoughtha
fi
ishi
gdeeperpe
etratio
ofacutti
gtooldepth
WearsofCutti
gTool
Wealreadyhavebee
processeda
dtherattleofthecou
tlesscracksedgetoolwelear
thattoolweararebasicallythreeformsfla
kweartheformerfla
kweara
dVNotchwearFla
kwearoccurredi
boththemai
bladeoccurredvicebladeO
themai
bladeshoulder
fremovedbecausemostmetalchipma
datewhichresultedi
a
i
creasecutti
gforcea
dcutti
gtemperaturei
creaseIf
otallowedtocheckThatcr