When many companies purchase CNC cutting machines, they will pay more attention to the maintenance of some important components such as cutting torches, numerical control systems, and power supplies, while ignoring the maintenance of the driving parts of CNC cutting machines. The problem is that the cutting torch It can still be used and the CNC system is still stable, but the cutting quality and cutting error are far from meeting our requirements.
In fact, from a broader perspective, CNC cutting machine as a specific application of CNC machine tools, the maintenance of the drive shaft parts should have very important significance, due to cutting errors and walking problems caused by shaft parts maintenance is not in place, Occupies more than half of the use of CNC cutting machine failure, in order to allow more companies to fully and reasonably use the CNC cutting machine. Companies are advised to take the following measures to maintain the drive shaft.
1. Lubrication of spindle components
The lubrication of the spindle components is to reduce the operating temperature of the bearing and prolong its service life. In general, oil and oil circulation lubrication are used at low speed, and oil mist and oil-gas lubrication are used at high speeds. However, it is worth noting that: too much fat, but it is easy to increase the spindle heat. Therefore, a suitable capacity must be selected when adding grease.
The circulating lubrication system can ensure good lubrication effect, reduce friction and heat, but also take away the heat of the spindle assembly. Therefore, it is widely used. The circulating lubrication system is powered by a hydraulic pump and the oil temperature controller controls the temperature of the tank fluid.
2, the cooling of the spindle components
The main purpose of the cooling of the main shaft components is to reduce the heating of the bearings and effectively control the heat source.
3, the seal of the main shaft components
The seals of the main shaft components are non-contact and contact seals. Its purpose is not only to prevent the entry of dust, swarf and cutting fluids, but also to prevent the leakage of lubricating oil. Non-contact seal, to ensure that oil can be drained as soon as possible and the smooth return oil hole; contact seal, pay attention to check its aging and damage.
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