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Grinding fluid special for hard alloy

A technology of cemented carbide and grinding fluid, which is applied in the field of special grinding fluid for cemented carbide, to achieve the effects of long slot change time, improved production environment, and low VOC

Inactive Publication Date: 2020-04-24
DALIAN SANDAAOKE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But so far there is no relevant report about the compatibility of cyclohexyldiethanolamine and other components in cemented carbide grinding fluid

Method used

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  • Grinding fluid special for hard alloy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The special grinding fluid for cemented carbide of the present invention is composed of the following components in mass percentage: 15% cyclohexyldiethanolamine, 10% tricarboxylic acid, 5% undecanedioic acid mixture, 2% benzotriazole derivative %, polyether modified ester 10%, potassium hydroxide 2%, neodecanoic acid 4%, fungicide BIT20 1%, polyether modified silicon defoamer 0.1%, water balance. Stir each component to mix well.

[0014] Cyclohexyldiethanolamine is preferably Clariant GENAMIN CH 020; benzotriazole derivatives are preferably Ciba’s Irgamet 42, and the polyether modified ester is selected from Shenzhen Aiyin Chemical’s 1509, and its structure is as follows:

[0015] Wherein n=5-15, R is 18 carbon alkyl;

[0016] The polyether modified silicon defoamer is preferably MS-575 of the United States.

Embodiment 2

[0018] The special grinding fluid for cemented carbide of the present invention is composed of the following components in mass percentage: 9% cyclohexyldiethanolamine, 20% sebacic acid, 1% benzotriazole derivatives, 15% polyether modified ester, Potassium hydroxide 0.5%, isooctanoic acid 5%, fungicide BIT20 1%, polyether modified silicon defoamer 0.3%, water balance.

[0019] The sources of raw materials used and the preparation method are the same as in Example 1.

Embodiment 3

[0021] The special grinding fluid for cemented carbide of the present invention is composed of the following components in mass percentage: 20% cyclohexyldiethanolamine, 3% tricarboxylic acid, 7% undecanedioic acid, 10% sebacic acid, benzotri Azole derivatives 3%, polyether modified ester 8%, potassium hydroxide 5%, neodecanoic acid 1%, isooctanoic acid 1%, isononanoic acid 3%, fungicide BIT20 2%, polyether modified silicon disinfectant Foaming agent 0.4%, the balance of water.

[0022] The sources of raw materials used and the preparation method are the same as in Example 1.

[0023] Typical technical data of Embodiment 1 of the present invention are shown in Table 1.

[0024] Table 1

[0025]

[0026] The cemented carbide grinding fluid prepared in Example 1 of the present invention was tested at a precision tool manufacturer (Japanese company) in Cangzhou at a concentration of 5-10%, and the original grinding fluid was successfully replaced. The original grinding flui...

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Abstract

The invention discloses a grinding fluid special for a hard alloy. The grinding fluid is characterized by consisting of the following components in percentage by mass: 6 to 20 percent of cyclohexyl diethanolamine, 10 to 20 percent of organic acid, 1 to 3 percent of benzotriazole derivative, 6 to 15 percent of polyether modified ester, 0.5 to 5 percent of potassium hydroxide, 3 to 5 percent of a coupling agent, 1 to 2 percent of bactericide, 0.1 to 0.5 percent of a polyether modified silicon defoamer and the balance of water. The organic acid is at least one of tricarboxylic acid, undecanedioicacid and sebacic acid; the polyether modified ester has a structure shown in the specification, wherein n is 5-15, and R is an 18-carbon alkyl group; wherein the coupling agent is at least one of neodecanoic acid, isocaprylic acid and isononanoic acid.

Description

technical field [0001] The invention belongs to the technical field of lubricating and cooling for hard alloy processing, and in particular relates to a special grinding fluid for hard alloy which is friendly to the environment, can inhibit cobalt precipitation and has a long service life. Background technique [0002] Cemented carbide has exceptionally high hardness, excellent wear resistance and corrosion resistance even at extremely high temperatures, and is widely used in molds, knives, etc. Cemented carbide will generate a lot of heat during the grinding process, and it needs to use grinding fluid to dissipate heat. Due to the poor heat dissipation of oil-based grinding fluid, it is easy to cause high-temperature burns to the workpiece and the operating environment is harsh, so the grinding of cemented carbide usually uses water-based grinding fluid with good cooling performance. At present, there are many problems in the commercially available cemented carbide water-b...

Claims

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Application Information

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IPC IPC(8): C10M173/02C10N40/22
CPCC10M173/02C10M2201/062C10M2207/10C10M2207/126C10M2207/127C10M2209/104C10M2209/109C10M2215/044C10M2215/223C10M2229/047
Inventor 黄文飞
Owner DALIAN SANDAAOKE CHEM
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