Linear cutting fluid for neodymium-iron-boron permanent magnet material
A permanent magnet material and wire cutting technology, applied in the petroleum industry, lubricating composition, etc., can solve the problem of small discharge gap, unfavorable cooling and chip removal of electrical machining process, no consideration of the conductivity of cutting fluid, and the lack of conductivity of electrolyte substances and other problems, to achieve the effect of excellent cleaning, improved chip removal performance, good electrical conductivity and lubricating performance
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[0043]A wire cutting fluid for NdFeB permanent magnet materials, the wire cutting fluid is composed of the following components by weight percentage, the specific embodiment is: 3% of oleic acid and 3% of sebacic acid are added to the reaction kettle, and the temperature is raised to 60°C, add 2% monoethanolamine, 4% diethanolamine, and 6% triethanolamine under stirring, continue to heat up to 150°C for 2 hours, then cool down to 80°C and add 3% amino borophosphonate, nonyl Phenol polyoxyethylene ether (OP-10) 6%, borate 3%, sodium molybdate 0.5%, sodium phosphate 5%, diethylamine tetraacetic acid 0.3%, emulsified silicone oil 0.5% and water 63.7%, continue to stir for 2h That is the finished product.
[0044] Examples 2-5 are calculated by weight percentage. The components and dosage of each raw material are shown in Table 2. The preparation method and operation steps are the same as in Example 1.
[0045] Table 2 The raw material components and dosage of Examples 2 to 5 of ...
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