teori pembentukan

8/18/2019 teori pembentukan

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Materi kuliahMateri kuliah1.1. Desain Pemrosesan BarangDesain Pemrosesan Barang

2.2. Cutting PlanCutting Plan

3.3. Proses FormingProses Forming



MANUFACTURE PROCESSES

1. Solidification

(Casting)

2. Deformasi

(Forming)

3. Material remover

4. Polymer 5. Particlate

!. Cting

". #oining

$. %eat treatment

&. Srface treatment

1'. ssemly



PProsesroses CttinCttingg



PROSES DEFORMASI PLASTIK

(proses forming)P*M+*,-/, +%,

D*,0, M*M,D%/,

M* MSS +%,

6,0 D/,*7S/,DP,D%/, D7 S-

-*MP- /* -*MP- , 8 Forging (-em9a)

8 7olling

8 *:trsion

8

Dra;ing8 S<eet=metal

forming



P

73 *

M

ATERIAL7*M32*7

Pembentukan bahan

melalui proses

perautan (penghilangan

sebagian bahan)

ATA

P!"#$#

P$%&!A%&A%

'"M$ BAA%

+7

++-

S*/7P F7S

0*7,D



PROSESPROSESPEMBENTUKANPEMBENTUKAN

BAHANBAHAN



METAL FORMINGMETAL FORMING

Fngsi ! mer"#$ "en%& '#s#rFngsi ! mer"#$ "en%& '#s#rseper%i s$ee%s "#r p#%e men*#'iseper%i s$ee%s "#r p#%e men*#'i"en%& ses#i &eingin#n (mis#!"en%& ses#i &eingin#n (mis#!

&o%#& "#% &n+i p#s ')&o%#& "#% &n+i p#s ')Kee"i$#n! ,o+o& n%& pro'&siKee"i$#n! ,o+o& n%& pro'&si

m#s# &#% e-sienm#s# &#% e-sien

Keem#$#n! &r#ng presisi n%&Keem#$#n! &r#ng presisi n%&"#r#ng .#ng presisi 'iper&#n"#r#ng .#ng presisi 'iper&#nproses #in/proses #in/



K#si-&#si prosesK#si-&#si proses

PROSESPROSES T / TMT / TM KETERANGANKETERANGAN

COLD WORKINGCOLD WORKING < 0,3< 0,3 T = TemperaturT = Temperatur

Pembetu!aPembetu!a

WARM WORKINGWARM WORKING 0,3 " 0,#0,3 " 0,# TM = Temperatur $a%rTM = Temperatur $a%r

&'(am&'(am

)OT WORKING)OT WORKING * 0,+* 0,+ TemperaturTemperatur

re!r%ta&%a% = 0,#re!r%ta&%a% = 0,#



0ENIS PROSES METAL FORMING 0ENIS PROSES METAL FORMING

ROLLINGROLLING

SPININGSPINING

BENDINGBENDINGPIER,HING 1 BLANKINGPIER,HING 1 BLANKING

STRET,HINGSTRET,HING

,OINING,OININGForgingForging



ROLLINGROLLING

Proses roing merp#&#n prosesProses roing merp#&#n proses

pem"en%&#n "#$#n '#ri "en%&pem"en%&#n "#$#n '#ri "en%&

'#s#r men*#'i "en%& #in 'eng#n'#s#r men*#'i "en%& #in 'eng#n

+#r# pengero#n+#r# pengero#n

Contoh* tangki

min+ak, tabung,

Dll.



H#si Proses Me%# FormingH#si Proses Me%# Forming

N'N' )a%&)a%& Pr'ePr'e

-- .aut &%r.aut &%r T1rea2 r'&&%(T1rea2 r'&&%(

ma$1%%(ma$1%%(

Cra!1a4tCra!1a4t 5'r(%(, ma$1%%(,5'r(%(, ma$1%%(,(r%2%((r%2%(

33 Gear CamGear Cam 5'r(%(, $at%(,5'r(%(, $at%(,

p'62er meta&p'62er meta&

## Preure 7ee&Preure 7ee& We&2%(We&2%(



Proses Temp# (Forging)Proses Temp# (Forging)

Penger%i#n! Proses pem"en%&#nPenger%i#n! Proses pem"en%&#n

"#$#n 'eng#n g#.# imp#+% #%#"#$#n 'eng#n g#.# imp#+% #%#

%e&#n%e&#n

0enis proses! H#mer forging 'rop 0enis proses! H#mer forging 'rop

forging press forging pse% forgingforging press forging pse% forging

'#n ro forging'#n ro forging

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