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Teknologi KeramikKeramik Bearing
Aris Hadyo W (1006660163)Tri Sutrisno (1006772576)
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Bearing
Komponen yang berfungsi untuk mngurangi gesekan pada mesin atau komponen yang bergerak dan menekan.
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Bearing
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Letak Bearing
Bearing
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Sejarah
Mesir Desain Da Vinci
Gelondongan kayu
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Ancaman pada Bearing
Bearing
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Bearing Keramik
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Keunggulan Bearing Keramik
Mampu berpacu hingga RPM tinggi Jadi g perlu cemas
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Keunggulan Bearing Keramik
Keramik sangat Rigid
Modulud Young n Hardness
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Keunggulan Bearing Keramik
Jenis
material
Baja
Khrom
AISI 52100
Si3N4SiC Al2O3 ZrO2
Modulus
young
(GPa)
200-220320 400 380 210
Jenis material Baja Khrom AISI
52100
Si3N4SiC Al2O3 ZrO2
HRC (skala
rockwell)
60-67 75-80 85-90 80 70
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Keunggulan Bearing Keramik
Friction Heat
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Ceramic vs Bearing (price)
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Kenapa kok mahal??
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Aplikasi Bearing
Hub
Crankshaft
Stir
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Aplikasi Bearing keramik
Tidak semua kendaraan produksi luar negeri lho, ada yang dalam negeri juga
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Aplikasi Bearing Ceramic
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Manufaktur
Pasir Kuarsa
Ammoniak
Gel Casting
Hot pressing
Manufaktur bearing baja umumnya
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Manufaktur
Gel Casting
1 •Ceramic Powder mixed with Polymer Binder (Vinyl)
2 •Slurry (lumpur)•Added with Catalisyt
3• Casting• Gel
4 •Dibakar: 1.untuk membakar bindernya•2. Untuk mengeraskan dan memadatkan ceramicnya
Catalist: tetrametyletilend
iamine
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Manufaktur
Injection Moulding
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Manufaktur
Hot Pressing
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Kesimpulan
Bearing keramik memang berpotensi menjadi bearing pilihan, namun keunggulan mekanis, kimia, dan elektrik tidak akan cukup tanpa harga yang bersaing.
Kendala bearing keramik saat ini adalah harganya yang jauh lebih mahal daripada bearing biasa.
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Referensi
http://www.republicsales.com/products/blowers/republic-centrifugal-blower/nsk-ceramic-ball-bearings/ceramic-vs-steel-speed.php
http://ezinearticles.com/?Bearings---The-Different-Types-and-What-They-Are-Used-For&id=2092581
http://hscceramics.com/basic_properties.html http://hscceramics.com/life_of_ceramic_bearings.html http://simplybearings.co.uk/shop/files/52100.pdf http://www.asia.ru/images/target/photo/51352843/
Motorcycle_Crankshaft__Air_Cooled_.jpg http://www.bocabearings.com/bearing-info/bearing-ball-
types http://www.bsahome.org/tools/ESC http://www.dynacer.com/Injection_Moulding.htm http://www.primechoiceautoparts.com/c-47-hub-bearing-ass
embly.aspx http://www.substech.com/dokuwiki/doku.php?
id=methods_of_shape_forming_ceramic_powders
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grafik axial N super hardening proses