Shock Absorber

Post on 29-Dec-2015

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Transcript of Shock Absorber

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TEORI

FUNGSI SHOCK ABSORBER

MENJAGA GETARAN“UNSPRUNG MASS PADATINGKAT MINIMUM

MENGURANGI GETARAN &GERAKAN “ SPRUNG MASS “

KESELAMATAN

KENYAMANAN

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ENERGI KINETIK ( GERAK )

ENERGI THERMAL ( PANAS )

PRINSIP KERJA

“ HUKUM KEKEKALAN ENERGI “

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ALIRAN FLUIDA DILEWATKANPADA SALURAN YANG MEMPUNYAI

TAHANAN TINGGI

ORIFICE VALVE

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VALVE

DAMPING FORCE DIPENGARUHIOLEH KEKAKUAN VALVE

MAKIN KAKU----------> DF MAKIN TINGGI

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KEUNTUNGAN VALVE:

KERUGIAN VALVE :

•MAHAL •RUMIT

•KURANG SENSITIVE TERHADAP KOTORAN•KARAKTERISTIK BISA DIUBAH-UBAH

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ORIFICE

DAMPING FORCE DIPENGARUHIOLEH DIAMETER LUBANG

KECIL -----> DF TINGGI

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KEUNTUNGAN ORIFICE :

KERUGIAN ORIFICE :

•MURAH •SEDERHANA

•SENSITIVE TERHADAP KOTORAN•KARAKTERISTIK TETAP

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TEORIOLI SHOCK ABSORBER

SIFAT KHAS : * MENGANDUNG ANTI FOAM & ANTI BUBLE * MENGURANGI FRICTION

JANGAN PAKAI OLI YANG KEKENTALANNYA TINGGI --------> GELEMBUNG UDARA SULIT HILANG

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TIPE SHOCK ABSORBER

BASE : FRICTION

MECHANICAL FRICTION

HIDRAULIC FRICTION

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TIPE SHOCK ABSORBER

BASE : JUMLAH SILINDER

SINGLE TUBEDOUBLE TUBE

ROD

SILINDER

SILINDERDALAM

SILINDERLUAR

ROD

GUIDE BUSH &OIL SEAL

GUIDE BUSH &OIL SEAL

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TIPE SHOCK ABSORBER

SINGLE TUBE

ROD

SILINDER

GUIDE BUSH &OIL SEAL

OLI

UDARA

HAL-HAL YANG PERLU DIPERHATIKANU/ TIPE SINGLE TUBE ( GN5, KEV ) :

• POSISI TIDAK BOLEH DIBALIK

• SILINDER HARUS DILINDUNGI TERHADAP BENTURAN

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TEORI

TIPE SHOCK ABSORBER

SINGLE TUBE

KENAPA POSISI TIDAK BOLEH DIBALIK ?

DAMPEDAREA

UNDAMPED AREA

STROKE

DAMPEDAREA

UNDAMPED AREA

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TIPE SHOCK ABSORBER

BASE : ACTION / GAYA

SINGLE ACTION

DOUBLE ACTION

TENSI

KOMPRESI

STROKE

GAYA

TENSI

KOMPRESI

STROKE

GAYA

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TEORICARA KERJA FRONT FORK

RUANG 3

RUANG 2

RUANG 1

KOMPRESI

RUANG 1

RUANG 2 RUANG 3

LUBANG SEATPIPE CELAH VALVE

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RUANG 3

RUANG 2

RUANG 1

CARA KERJA FRONT FORK

TENSI

RUANG 2

RUANG 1 RUANG 3

ORIFICE SEATPIPE

RUANG 3

LOBANG SEATPIPE

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TEORICARA KERJA FRONT FORK

RUANG 3

RUANG 2

RUANG 1

KOMPRESI

RUANG 1

RUANG 2

FUNGSI OIL LOCK

CELAH VALVE

UNTUK MENGHINDARI BENTURAN ANTARAFORK PIPE & BOTTOM CASE SAAT BOTTOMING

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SPRING

KONVENSIONAL PROGRESSIVE

HANYA ADA 1 PITCH TERDIRI DARI BEBERAPA PITCH

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KONVENSIONAL

DEFLEKSI

GAYA

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PROGRESSIVE

DEFLEKSI

GAYA

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TEORI

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TEORI

TIPE SHOCK ABSORBER