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Oil change interval of four-column hydraulic press

by:WORLD     2022-10-10
Shanghai WORLD Press Machine Machinery Equipment Co., Ltd. is a manufacturer specializing in the design, manufacture, sales and maintenance of various standard and non-standard hydraulic machinery and hydraulic machinery, CNC machinery and automatic machinery. The main products of WORLD Press Machine machinery: presses, single-column hydraulic presses, four-column hydraulic presses, slide-type hydraulic presses, multi-station hydraulic presses, etc., which are widely used in motor rotor press-fitting, bearing press-fitting, hardware accessories press-fitting, copper parts, zinc alloys, Edge punching and shaping of aluminum alloy and other metal die castings, PVC/PET/PC die-cutting and other processes.












Deteriorated hydraulic oil cannot meet the requirements of the hydraulic system and needs to be replaced. At present, it is determined that there are three ways to change the oil based on experience, regular oil change and comprehensive research and analysis.

The first method is based on the experience of operators and on-site technicians, through simple methods such as 'seeing, smelling, touching, shaking', and stipulates that when the oil becomes black, dirty, and turbid to a certain extent, the berth should be changed.

The second method is to change the oil after six months of use, one non-operation or 1000~2000h of operation according to different equipment and different oil products. The above two methods are widely used, but they are not very scientific and not very economical.


The third method is to regularly take oil samples for testing and determine the necessary items, so as to continuously monitor the deterioration of the fluid, and determine when to change the oil according to the actual situation of changes in the physical and chemical performance indicators of the hydraulic oil. It is scientific, but requires a set of physical and chemical testing instruments. This method is also called the oil quality oil change method.











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