No Benda Kerja Bahan Material Unsur Material Tujuan Material Proses Pembuatan 1 Tabung Gas JIS 3116, SG25,
SG30
C, Mn, P, S Kekerasan, tahan gesek, tahan tekanan (impact load)
1.Press a. Blanking b. Deep Drawing c. Bending
d. Jogling/Trimming 2. Assembling a. MIG Welding
b. Submerge Arc Welding 3. Finishing
a. Annealing b. Shot Blasting c. Painting d. Assy Valve e. Marking/ Logo
2 Velg Mbim Al, Si, Fe, Mn,
Mg, Cr, Zn, Vanadium, Ti, Bi, Ga, Pb, Zr
Al=ringan, tahan korosi
AlSi=tahan bentur
Mg/Cr=Tahan Karat
1. Peleburan Material 2. Pembersihan 3. Pencetakan 4. Pengujian Bahan 5. Penghalusan 6. Finishing 7. Heat Treatment 3 Disc Brake GCI, Ti-6Al-4V,
TMC, AMC1, AMC2
Grey Cast Iron, White Cast iron, Ductile Cast Iron, Malleable Cast Iron,
Koefisien gesek, Konduktivitas termal, Biaya relative, Wear resistance, Compressive strength
4 Kunci Pas Chrome
Vanadium
1. Pemotongan 2. Pemanasan 3. Pembentukan 4. Pendinginan 5. Penghalusan 6. Penomoran
end)
8. Hardening dan Strenghten 9. Proses Kimia
5 Roller Chain Cast Iron, Cast Steel, Steel, Forged, Plastic
Mn, Cr, Mo, Ti Tahan Panas Tahan Gesek Tahan Beban Tahan Impact Tensile Strength
1. Forming (Pressing, Punching, Cutting, Curling)
2. Heat Treatment (Case and Through Hardening, Tempering) 3. Surface Treatment (Peening, Grinding, Polishing)
4. Assembling
6 Propeller Baja cor, Perunggu, Ni-Al-Perunggu, Besi Cor
Copper, Zn, Ni, Fe, Mn, Al, Lead, Tin
Kemampuan Menahan Beban Menahan Getaran
1. Modeling 2. Moulding 3. Casting 4. Machining 5. Finishing 6. Balancing 7. QC 7 Ballscrew ASTM-A434,
H900
C, Mn, P, Si, Cr, Mo
Menahan beban berputar
Tahan korosi Tahan Panas Kekerasan Baik
1. Cutting 2. Chamfering 3. Annealing 4. Straightening 5. Machining 6. Straightening 7. Mounting
8 Piston AC8A Al, Mg, Ni, Si,
Copper, Si, Ti
Menahan gaya dan tekanan tinggi,
Massa ringan, Konduktivitas termal baik, Mudah machining
1. Cutting 2. Machining 3. Hardening 4. Machining
