elemen mesin i tkm4113 - anamesin.lecture.ub.ac.id€¦ · bantalan luncur. prinsip dasar tribologi...
TRANSCRIPT
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TRIBOLOGI
TKM4094Prinsip dasar tribologi
Rabu, 07.30 – 10.00
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Dosen Pengampu
Khairul Anam, ST., MSc.
Gedung Mesin II, Lantai II
Jl. MT Haryono No. 167, Malang
65145
No. HP : +6281336327969
Email : [email protected]
anamesin.lecture.ub.ac.id
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Tujuan
Memberikan pemahaman tentang
gesekan, aus dan pelumasan serta
pengaruhnya dalam komponen
mesin.
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Pokok Bahasan
Prinsip dasar tribologi
Gesekan
Aus
Pelumasan
Tribologi pada kontak dengan kinematikarendah
Tribologi pada kontak dengan kinematikatinggi
Efisiensi pelumasan
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Referensi
Introduction to Tribology_Bharat
Bhushan
Tribology in Machine Design_TA
Stolarski
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Penilaian
Kehadiran 10%
Quiz/Tugas 50%
UAS 40%
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Tribologi
• When
• Where
• Result
• Analysis
• Object
• Who
• Object
• Who
What Why
How
How many/
How much
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Prinsip dasar tribologi
Tribologi dikenalkan pertama kali oleh
Jost (1966)
Tribologi berasal dari bahasa yunani
“TRIBOS” yang berarti “BERGESEKAN”
Tribologi adalah cabang ilmu desain mesin
(friction, wear dan lubrication)
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Prinsip dasar tribologi
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Prinsip dasar tribologi
Elemen mesin yang harus
mempertimbangkan tribologi
Bantalan luncur
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Prinsip dasar tribologi
Bantalan
gelinding
Piston
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Prinsip dasar tribologi
Cam Friction Drive
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Prinsip dasar tribologi
Roda Gigi
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Prinsip dasar tribologi
Rem
Kopling
Mur-Baut
Seal
Semir
Menulis
Berjalan
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Prinsip dasar tribologi
Koefisien Gesek dan Keausan
Struktur (properti material)
Kondisi saat mesin bekerja (beban,
temperature, waktu, dan lain-lain)
Interaksi antar komponen
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Prinsip dasar tribologi
Gaya Gesek (tanpa pelumasan)
Gaya gesek selalu berlawanan arah denganperpindahan
F = fW
Dimana: F = Gaya Gesek
f = Koefisien Gesek
W = Gaya Normal
Gaya gesek tidak tergantung pada luaskontak
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The Nature of Surface
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Chemical Reaction
The nature of Surface
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Surface Texture
Macro Micro
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Kekasaran Permukaan
American
National
Standards
Institute (ANSI)
International
Standardization
Organization
(ISO)