Grinding fluid in use for superhard abrasive grinding wheel of metal binding agent electrolyzable online, and preparation method

A technology of metal bond and superabrasive, which is applied in the field of grinding fluid, can solve the problems of resin bond abrasive tools such as difficulty in sharpening, short service life, and poor geometric shape retention of the working surface, etc. strong effect

Inactive Publication Date: 2005-01-12
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a metal bond superhard tool that can be electrolyzed online to solve the disadvantages of difficult sharpening of resin bonded abrasive tools commonly used in precision mirror grindi

Method used

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  • Grinding fluid in use for superhard abrasive grinding wheel of metal binding agent electrolyzable online, and preparation method
  • Grinding fluid in use for superhard abrasive grinding wheel of metal binding agent electrolyzable online, and preparation method
  • Grinding fluid in use for superhard abrasive grinding wheel of metal binding agent electrolyzable online, and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment 1: implementation condition: M7130 type horizontal axis rectangular table surface grinder, metal bond CBN emery wheel and vitrified bond CBN emery wheel that can be electrolyzed on-line each one, the granularity of emery wheel is 120#, the linear velocity Vs=20m / s of emery wheel , table feed speed f = 10m / min, grinding wheel feed a p =0.0025mm, the workpiece material is HR-1 hydrogen-resistant stainless steel. The metal bond CBN grinding wheel 1 that can be electrolyzed online is made as follows:

[0033] Abrasive: 120# particle size, 100% concentration of CBN

[0034] Binder: It is made of 80% iron powder, 10% copper powder, 5% nickel powder and 5% ferric oxide powder.

[0035] Wherein percentage is mass percent.

[0036] Sintering method: use the above-mentioned cold pressing sintering method to make the grinding wheel.

[0037] The preparation method of the grinding fluid used in conjunction with the above grinding wheel is as follows:

[00...

Embodiment 2

[0045] Embodiment 2: implementation conditions: M7130 type horizontal shaft rectangular platform surface grinder, each piece of metal bond CBN emery wheel and vitrified bond CBN emery wheel that can be electrolyzed online, the granularity of emery wheel is 120#, and the grinding consumption of use is the line of emery wheel Speed ​​Vs=20m / s, table feed speed f=10m / min, grinding wheel feed a p=0.0025mm, the workpiece material is steel bonded carbide.

[0046] The manufacturing method of metal-based diamond and CBN mixed abrasive grinding wheel 2 is as follows:

[0047] Abrasive: 120# particle size, 100% concentration of diamond and CBN mixed abrasive.

[0048] Binder: 70% iron powder, 10% copper powder, 10% silver powder, 2% tin powder, 3% zinc powder, 5% tetra

[0049] Made from ferric oxide powder. Wherein percentage is mass percent.

[0050] Sintering method: use the above-mentioned cold pressing sintering method to make the grinding wheel.

[0051] The preparat...

Embodiment 3

[0058] Embodiment 3: implementation conditions: M7130 type horizontal shaft rectangular table surface grinder, each piece of metal bond CBN emery wheel and vitrified bond CBN emery wheel that can be electrolyzed online, the granularity of emery wheel is 120#, and the grinding consumption that uses is the line of emery wheel Speed ​​Vs=20m / s, table feed speed f=10m / min, grinding wheel feed a p =0.0025mm, the workpiece material is cemented carbide. The manufacture method of metal-based diamond abrasive grinding wheel 3 is as follows:

[0059] Abrasive: 120# grain size, 100% concentration of diamond abrasive.

[0060] Binder: 60% iron powder, 15% copper powder, 15% tin powder, 5% zinc powder, 5% graphite powder

[0061] into. Wherein percentage is mass percent.

[0062] Sintering method: use the above-mentioned cold pressing sintering method to make the grinding wheel.

[0063] The preparation method of the grinding fluid used in conjunction with the above grinding w...

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Abstract

The primary liquid of grinding liquid is prepared from sodium molyb date, sodium hydrogen phosphate, glycerin, triethanolamine, sodium sulfite, borax and red oil and grinding liquid is prepared by mixing primary liquid with water in mass ratio of 1:5-1:20. The preparing process includes heating water to ttemperature of 60-80 deg.c, placing abovementioned chemicals and materials in the water for mixing and dissolving to obtain solution, cooling solution to room temp for obtaining primary liquid and mixing the primary liquid with water for final product.

Description

technical field [0001] The invention relates to a grinding fluid with the function of electrolytic film formation used in conjunction with an online electrolytic metal bond superabrasive grinding wheel. It can realize online electrolytic repairing and online electrolytic metal bond superhard abrasive grinding wheel precision mirror grinding. More strictly speaking, it relates to a grinding fluid with the functions of electrolytic sharpening, electrolytic film formation, rinsing, cooling, activation and soaking used in conjunction with online electrolytic metal bond superabrasive grinding wheels. Background technique [0002] In precision machining, resin bonded grinding wheels (diamond or cubic boron nitride fine grain size) are usually used. It is characterized by certain elasticity and high strength, and good impact resistance. However, its heat resistance and alkali resistance are poor, and the high temperature in the grinding area can burn the bonding agent. The alkali...

Claims

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Application Information

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IPC IPC(8): C09K3/14C10M173/02
Inventor 关佳亮范晋伟王文超马春敏
Owner BEIJING UNIV OF TECH
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