Control and elimination <br> <br> 6 corrosion Obviously, using water-soluble cutting fluid, users will shun the machine maintenance and management more efforts to control corrosion, or even substantially eliminate corrosion.
In order to prevent the water from corroding the metal surface, the machine tool should be fully lubricated and greased on important parts of the machine tool.
Accurately control the concentration of the cutting fluid. When the machine is shut down, flush the surface of the machine with cutting fluid and open the machine cover to dissipate the humid air in the working area of ​​the machine.
To prevent the occurrence of electrical corrosion, a layer of waterproof grease should be applied to the metal surface. Moreover, the machine tool should be grounded strictly, and it is not enough to ground the electrical cabinet only.
In order to avoid the growth and reproduction of bacteria, the cutting fluid should be cleaned or replaced regularly, the chips should be removed in time, and the cutting concentrate should be diluted with soft water (pure water with low mineral content).
In foreign countries, in the selection of water-soluble metal cutting fluids, some developed countries pay more attention to the harm of personal health, waste liquid treatment and comprehensive cost while satisfying the requirements of cutting process. Accepted by the domestic metal cutting industry.
The water-soluble cutting fluid can be properly maintained and managed during use, which not only can obtain the best cutting effect, but also can greatly extend the service life of the water-soluble cutting fluid and reduce the waste liquid discharge, thereby obtaining the maximum economic benefit.
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It is convenient to adjust the trolley according to the construction of the variable cross-section second lining of the subway tunnel. According to the change of the subway tunnel section, the width of the construction trolley is randomly adjusted to adapt to the subway tunnel section. The construction requirements are changed. The adjustment of the trolley Convenient and fast, with few operators, low potential risk, low cost and high work efficiency.
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