Ceramic metal composite binding agent grinding wheel and preparation method thereof
A composite bond and vitrified bond technology, which is applied in metal processing equipment, manufacturing tools, grinding/polishing equipment, etc., can solve problems such as difficult mixing, uneven phase distribution of abrasive layers, and easy agglomeration, etc., to achieve Improve the consistency of microstructure, improve the uniformity of mixing, and refine the effect of grinding wheel structure
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Embodiment 1
[0027] like figure 1 Shown, a kind of preparation method of vitrified metal composite bond grinding wheel, it specifically comprises the following steps:
[0028] 1) Preparation of liquid vitrified bond: take the formula amount of Al(NO 3 ) 3 、H 3 BO 3 、LiNO 3 and NaNO 3 Dissolve in water, then slowly add 50% SiO 2 Sol, obtain liquid vitrified bond;
[0029] Raw materials are calculated by mole percentage of oxides, and the ratio of each raw material in the liquid ceramic bond is: Al 2 o 3 17%, B 2 o 3 15%, Li 2 O 5%, Na 2 O 15%, SiO 2 48%, the solid content of the liquid ceramic bond is 50%;
[0030] 2) Preparation of ceramic-metal composite binder: Add diamond micropowder and metal mixed powder into the liquid ceramic binder and continue to stir and mix to obtain a mixed slurry;
[0031] The mass percentage of each component in the mixed slurry is: 12% of diamond micropowder, 78% of metal mixed powder, and 10% of liquid vitrified bond. The metal mixed powde...
Embodiment 2
[0035] A preparation method of a vitrified metal composite bond grinding wheel, which specifically comprises the following steps:
[0036] 1) Preparation of liquid vitrified bond: take the formula amount of Al(NO 3 ) 3 、H 3 BO 3 、LiNO 3 and NaNO 3 Dissolve in water, then slowly add 30% SiO 2 Sol, obtain liquid vitrified bond;
[0037] Raw materials are calculated by mole percentage of oxides, and the ratio of each raw material in the liquid ceramic bond is: Al 2 o 3 17%, B 2 o 3 20%, Li 2 O 8%, Na 2 O 18%, SiO 2 37%, the solid content of the liquid ceramic bond is 40%;
[0038] 3) Preparation of ceramic-metal composite binder: Add diamond micropowder and metal mixed powder into the liquid ceramic binder and continue to stir and mix to obtain a mixed slurry;
[0039] The mass percentage of each component in the mixed slurry is: 15% of diamond micropowder, 73% of metal mixed powder, and 12% of liquid vitrified bond. The metal mixed powder is composed of the foll...
Embodiment 3
[0043] A preparation method of a vitrified metal composite bond grinding wheel, which specifically comprises the following steps:
[0044] 1) Preparation of liquid vitrified bond: take the formula amount of Al(NO 3 ) 3 、H 3 BO 3 、LiNO 3 and NaNO 3 Dissolve in water, then slowly add 40% SiO 2 Sol, obtain liquid vitrified bond;
[0045] Raw materials are calculated by mole percentage of oxides, and the ratio of each raw material in the liquid ceramic bond is: Al 2 o 3 15%, B 2 o 3 17%, Li 2 O 7%, Na 2 O 17%, SiO 2 44%, the solid content of the liquid ceramic bond is 45%;
[0046] 2) Preparation of ceramic-metal composite binder: Add diamond micropowder and metal mixed powder into the liquid ceramic binder and continue to stir and mix to obtain a mixed slurry;
[0047] The mass percentage of each component in the mixed slurry is: 10% of diamond micropowder, 85% of metal mixed powder, and 5% of liquid vitrified bond. The metal mixed powder is composed of the follo...
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