1, the oil change does not meet the requirements.

Often also cause CNC machining center oil leakage. The problems in oil change are mainly manifested in three aspects.

First, for parts with high viscosity lubricating oil, use low viscosity lubricating oil at will when changing oil, it will affect the sealing performance of the corresponding box body, shaft hole and so on, and sometimes greatly reduce the sealing performance of these parts.

Second, if the oil is not cleaned when the oil is changed, the dirt in the oil tank may enter the lubrication system, block the oil route and wear the seals, causing oil leakage.

Third, when changing oil, the amount of fuel is too much, especially in the parts of rotating parts, because of the stirring effect of rotating parts, it is more prone to oil spill phenomenon.

2. Improper selection and adjustment of lubrication system parts may cause oil leakage.

For example, when CNC machining and maintenance personnel maintain the oil pump with too high pressure or too large oil output, or when adjusting the pressure of the system, the pressure regulation of the relief valve, safety valve and pressure reducing valve is too high, and the flow of the NC machine tool lubrication system is too large to match the oil return system and sealing system, it will cause oil leakage.

In fact, the oil leakage caused by CNC machining center is not only the above points, if we encounter similar problems in the operation must do a good job of inspection, find the cause in time, to avoid unnecessary losses. Make a comprehensive inspection after purchasing from the machining center to see if there are casting defects or parts damage. If there are any, contact the manufacturer in time. The following points should also be noted when the operator uses the CNC machining center to process the workpiece:

(1) For the first trial cutting process of CNC machining, single stage operation mode should be adopted for processing.

(2) when CNC milling machine automatic operation began, fast rate, feed rate S in the most, low position, and then improve efficiency after cutting into the workpiece.

(3) in the operation of CNC milling machine processing procedures, we need to pay attention to the coordinate display of CNC system.

(4) Do not touch CNC milling machine tools and chips by hand. The chip must be cleaned with a brush.