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In fact, the maintenance cost of cutting fluid is not as high as imagined. The reason is that the vast majority of the evaporated water during the processing is water, so under normal circumstances, the concentration of liquid replenishment will be much lower than the recommended concentration.
3. When pH<8.5, the cutting fluid will have a strange odor, which requires immediate sterilization treatment. At the same time, it is necessary to contact the cutting fluid supplier to jointly identify the cause and develop a reasonable solution.
Precautions for replacing cutting fluid
1. Machine tool cleaning before replacementThe old cutting fluid to be replaced often contains a large amount of machining metal powder and dirt, and a certain amount of machining debris and dirt accumulates inside the machine tool pipeline. Therefore, before changing the fluid, pull out the cutting fluid groove, drain the old cutting fluid in the groove, shovel away the chips in the groove and manually remove the residual chips. Clean the system to prevent infection with new fluids, leading to rapid decay of the new fluids. System cleaning requires adding system cleaning agent for system cleaning, and starting the working fluid pump to circulate for several hours. Ensure that bacteria, yeast, and fungi are removed from the pipeline.
2. Machine tool cleaning
Thoroughly brush the machine tool with a new cutting fluid with a concentration of more than 10%, especially the chip holding groove and the entire circle of chip conveyor tracks, to remove residual oil. Finally, use the newly prepared cutting fluid to brush the bottom and side walls of the solution tank, without any dirty oil residue, and rinse thoroughly with water.
3. Daily maintenance
After mixing the cutting fluid with water and adding it to the machine tool, it is important to avoid standing idle for a long time. When the machine tool is not in production, it is best to turn on the pump every day to circulate the cutting fluid for 30 minutes.
For precision grinding machines, the temperature of the newly added Metal Working Fluid needs to be adjusted to room temperature. Otherwise, size and accuracy issues may be encountered during the first production shift.
4. Adding cutting fluid
When adding cutting fluid during the production process, it is necessary to add it according to the usage ratio specified in the manual. It is strictly prohibited to only add water without cutting fluid, otherwise it may cause rusting of the product.
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