Analisa Kerusakan Sistem Hidrolik Blade Lift Cylinder pada Bulldozer SD23

, Arifin and , Supriyono, ST, MT, Ph.D (2018) Analisa Kerusakan Sistem Hidrolik Blade Lift Cylinder pada Bulldozer SD23. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Lift cylinder is a main component that is driven by a hydraulic system on a bulldozer. The way the lift cylinder works is to change the mechanical energy from the engine speed that is channeled to the pump into fluid pressure energy (oil flow) then convert it back into mechanical energy on the hydraulic cylinder. The purpose of this research is to analyze the damage, the cause of damage, the step of repairing the hydraulic system, knowing the magnitude of the loss of force and the discharge of the lift cylinder on the SD23 bulldozer. The inspection procedure performed on the lift cylinder is a visual inspection and performance test on the lift cylinder. In addition, measurement of oil pressure in the pressure plug is also done at full speed to determine the pump pressure and determine the value of the speed of the cylinder lift up and down on the bulldozer unit that has trouble. The results of the analysis show that the cause of trouble in the lift cylinder is rubbing the seal with a dirty rod, semi-dry dirt (scuff wear). Piston quick drop valves that experience Scrath (damage in the form of scratches) and the main causes are damage to the piston rod, room cylinder, quic drop valve, seal and o-ring which causes the lift cylinder to slow down. Loss of force after damage to the lift cylinder is 288.4 kgf or 2.6% with a flow discharge loss of 0.538 liter / s or 28.3%.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Hydraulic cylinder, lift cylinder, quic drop valve
Subjects:	T Technology > TJ Mechanical engineering and machinery
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	ARIFIN
Date Deposited:	06 Oct 2018 01:48
Last Modified:	08 Oct 2018 04:12
URI:	http://eprints.ums.ac.id/id/eprint/67337

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