Water-soluble cutting/grinding fluid
A water-soluble, grinding fluid technology, applied in the field of water-soluble cutting or grinding fluid, can solve problems such as insufficient, achieve excellent diffusivity, reduce processing costs, and simplify equipment
Inactive Publication Date: 2016-01-13
NTN CORP
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Problems solved by technology
The grinding fluid disclosed in Patent Document 1 suppresses the reaction of conversion of ferrous hydroxide into ferric hydroxide or the conversion of ferric hydroxide into a multinuclear complex by the function of a component that inhibits multinuclear complexation, thereby suppressing chip adhesion to the millstone and prevent clogging; however, the effect of inhibiting the clogging of the millstone is insufficient in this method
Method used
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Embodiment
[0091] The present invention is described below with reference to examples, but the present invention should not be construed as being limited to these examples.
[0092] The various components were mixed in the ratios shown in Table 1 to prepare water-soluble cutting or grinding fluids of Examples and Comparative Examples. Fluid properties were evaluated for cutting or grinding fluids in terms of contact angle, coefficient of friction, dispersion and chipping tests, and machining performance was evaluated using a superfinishing test setup. Table 1 shows the results.
[0093] (1) Measurement of contact angle (wettability evaluation)
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The present invention addresses the problem of providing a water-soluble cutting / grinding fluid that has excellent permeation properties and washability, that can be widely used in cutting and grinding treatments, and that can be particularly suitable for use in super finishing. The present invention relates to a water-soluble cutting / grinding fluid that comprises a glycol compound (A), at least one substance (B) that is selected from amount the group consisting of organic amines and inorganic alkalis, a surfactant (C), and water (D), and wherein the contact angle that is measured using the theta / 2 method one second after a drop of a diluted solution of the water-soluble cutting / grinding fluid is dropped on an SPCC-SB plate is 2-15 DEG.
Description
technical field [0001] The present invention relates to a water-soluble cutting or grinding fluid, which has excellent permeability and cleaning properties. Background technique [0002] Grinding fluids used in grinding can be roughly classified into water-based water-soluble grinding fluids and oil-based water-insoluble grinding fluids. Water-soluble grinding fluids have excellent cooling performance and environmental protection, while water-insoluble grinding fluids have excellent machining performance and chip cleaning properties. In general, in the grinding of small mechanical parts, water-insoluble grinding fluids are used because productivity and quality are important; in the grinding of other parts, water-soluble grinding fluids are used because cooling is important liquid. [0003] In cutting of hardened steels (which has been replaced by grinding in recent years), chips become hot and present a risk of fire; therefore, non-flammable, water-soluble fluids are requi...
Claims
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IPC IPC(8): C10M169/04C10M105/14C10M105/18C10M129/16C10M133/08C10M135/06C10M145/36C10M173/02C10N10/02C10N30/00C10N40/22
CPCC10M173/02C10M2207/022C10M2207/046C10M2207/126C10M2209/104C10M2209/108C10M2215/04C10M2215/042C10M2219/024B24C1/08C10N2030/06C10N2030/12C10N2040/22C10N2040/246C09K5/10C10M105/24C10M129/08C10M129/16C10M133/08
Inventor 北井正嗣东晃平平野秀和伊佐肇西罗正规塩谷均岩本启嗣三垣洋平
Owner NTN CORP