Coursework 1- CAD CAM

ME 4332 Computer Aided Aided Design and Manufacture

Precision Manufacturing Machines, Tools and Work-holding Devices

Name: RC Wisidagama Index No: 120735C Date of Sumission:  12th August 201

P!"T # $a%out

!igure 1 " Wor#shop $a%out &'ot to sca$e() &eneral Information

*he die and mo$d center consists of 5 C'C machines+ as sho,n in figure 1+ name$%+ Ari- .1000 C'C .ertica$ Machining Center &.MC( ,ith !anuc contro$$er  /artford  1000 C'C .ertica$ Machining Center ,ith Mitsuishi contro$$er  ing par# E6' C'C in# EDM ing par# W W* C'C Wire EDM Ari- *'C 430 C'C *urning Center &athe( n addition+ the Coordinate Measurement Machine &CMM( room contains a De Meet6chut 443 CMM unit+ ,hich can e used to chec# fine to$erances and for re8erse engineering purposes) Discussion - Selection of N'('N' machines for different a))lications

Due to the a8ai$ai$it% of a $arge numer of 'C6C'C de8ices+ this discussion ,i$$ e $imited to the machines a8ai$a$e in the Die and Mou$d Center)

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 'C6C'C mi$$ing operation

A mi$$ing machine can e simp$% defined as a de8ice that can perform machining operations simu$taneous$% at $east a$ong t,o a-es+ using an end mi$$ as a primar% cutting too$) Depending on the orientation of the spind$e+ the% can e c$assified main$% as 8ertica$ or hori9onta$ mi$$ing machines) n  'C6C'C mi$$ing+ the main t%pes are+ o o o

 'C6C'C .ertica$ Machining Center &.MC(  'C6C'C /ori9onta$ Machining Center &/MC(  'C6C'C :oring Mi$$

.MCs are used in app$ications ,here most of machining is carried out on one face of the ,or#piece during one setup+ such as f$at p$ate t%pe ;os) n addition to the asic three a-es+ a fourth a-is can e created % insta$$ing a rotar% head on the ta$e+ either hori9onta$$% or 8ertica$$%+ ,hich ma% then e used for inde-ing or contro$$ed rotar% motion) .MC is the most common t%pe of machining center a8ai$a$e in ,or#shops) /MCs are used for instances ,here machining must e carried out in mu$tip$e surfaces of a part in a sing$e setup) *he% usua$$% inc$ude an inde-ing ta$e and pa$$et changer) /ence+ the% are usua$$% priced higher than .MCs) 'o /MCs are a8ai$a$e in the Die and Mou$d center) :oring mi$$s usua$$% contains a hori9onta$ spind$e a-is and are simi$ar to /MCs+ e-ception eing that the primar% purpose is oring) arge $engths can e ored at a gi8en time due to the a8ai$ai$it% of a specia$$% designed o,er

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Contro$$er *%pe

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Dimensions

* $ot

oad

&mm(

&mm(

capacit% !anuc Mitsuishi

.CC01

3 ph

102

20

10

24

24

1

10

10

10

000

120-50

1-5-100

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.CC02

AC 3 ph

0 100

510

30

30

30

24

na

na

na

000

1150-510

na

700

AC

0

 

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E$ectro Discharge Machining &EDM( in# EDM

Machine

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%$*ra8e$ &mm(

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Meta$ Remo8a$

Dimensions

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Distance

E$ectrod

Wor#piece

roughnes

&mm(

e Mass

Mass &#g(

s finish

00

0)2

Rate

&#g(

&mm36min (

EMC03

3 ph AC+

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00

00

500

0

Wor# *an# &mm(

Wor# ta$e

1B50-1050 -530

&mm( 1200-700

40 = B50

300

4)5 #.A+

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EDM

&ma-( Machine

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%$*ra8e$ &mm( ? @

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&mm(

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*ra8e$ &mm(

Dimensions Die$ectric

Wor# ta$e

!$uid

&mm(

Reser8oir Capacit% &(

EMC04

3 ph AC

Wire

1200-700

E$ectrode

Ma-

Diameter

Wor#piece

&mm(

Mass &#g(

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*urning Centers *each=n C'C athe

Machine

>o,er

Distance

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Ma-imum

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%$ et,een

cross s$ide &mm(

s,ing o8er

centers *CC05

&mm( 1000

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430

P!"T  *servations 'utting Tool Information

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End mi$$

Materia$

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ength &mm(

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Diameter

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1)5 2)0 3)0 4)0 3)0 4)0 5)0 )0

40 40

&mm( 4 4

&mm( 4 4

°( 45 45

f$utes 2

4

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10)0

12)0

14)0 1)0

20)0 Rough

10)0

caride

:a$$ End Mi$$

o$id caride

12)0 1)0 1)0 1)5 2)0 2)5 3)0 4)0 5)0 )0 )0 10)0 12)0 1)0

Chamfer Cutters !ace Mi$$

'utting fluid Information o o

Ca$te- Che8ron 310 genera$ purpose cutting f$uid *ransformer oi$

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De=ioni9ed ,ater 

Discussion  Selection of tools and cutting fluids for 'N' machining

uccess in meta$ cutting depends on the se$ection of the proper cutting too$ &materia$ and geometr%( for a gi8en ,or# materia$) A ,ide range of cutting=too$ materia$s are a8ai$a$e ,ith a 8ariet% of   properties+ performance capai$ities+ and costs) *hese inc$ude high caron stee$s and $o, 6medium a$$o% stee$s+ high=speed stee$s+ cast coa$t a$$o%s+ cemented carides+ cast carides+ coated carides+ coated high=speed stee$s+ ceramics+ cermets+ ,his#er=reinforced ceramics+ sia$ons+ sintered  po$%cr%sta$$ine cuic oron nitride &C:'(+ sintered po$%cr%sta$$ine diamond+ and sing$e=cr%sta$ natura$ diamond) *he e$ements ,hich inf$uence the decision are

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Wor# materia$ characteristics+ hardness+ chemica$ and meta$$urgica$ state+ >art characteristics &geometr%+ accurac%+ finish+ and surface=integrit% re