Sintered flux for babbitt submerged arc brazing and preparation method thereof
A babbitt alloy and sintered flux technology, applied in welding equipment, metal processing equipment, manufacturing tools, etc., to achieve the effects of good babbitt alloy brazing layer quality, easy slag removal, and preventing oxidation of the babbitt alloy brazing layer
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Embodiment 1
[0044] A sintered flux for submerged arc brazing of babbitt alloy, the raw material and the weight percentage of each raw material component are: boric acid: 27%; borax: 20%; white corundum: 17%; sodium fluoride: 20%; sodium chloride : 15%; marble: 1%. wherein H in the boric acid 3 BO 3 Content ≥ 95%, Na in the borax 2 B 4 O 7 ·10H 2 O content≥95%, Al in the white corundum 2 O 3 Content ≥ 85%, NaF content in the sodium fluoride ≥ 95%, NaCl content in the sodium chloride ≥ 95%, CaCO in the marble 3 Content ≥ 95%.
[0045] A preparation method of sintered flux for babbitt submerged arc brazing, comprising the following steps:
[0046] (1) dry mixing the powder weighed by weight percentage in a dry mixer until uniform;
[0047] (2) add potassium sodium water glass of 20% of the total weight of ingredients in the powder after dry mixing, and carry out wet mixing in a wet mixer until the wet mixing is uniform;
[0048] (3) the wet powder of wet mixing is sent into the gr...
Embodiment 2
[0056] A sintered flux for submerged arc brazing of babbitt alloy, the raw material and the weight percentage of each raw material component are: boric acid: 36%; borax: 15%; white corundum: 25%; sodium fluoride: 16%; sodium chloride : 5%; marble: 3%. wherein H in the boric acid 3 BO 3 Content ≥ 95%, Na in the borax 2 B 4 O 7 ·10H 2 O content≥95%, Al in the white corundum 2 O 3 Content ≥ 85%, NaF content in the sodium fluoride ≥ 95%, NaCl content in the sodium chloride ≥ 95%, CaCO in the marble 3 Content ≥ 95%.
[0057] A preparation method of sintered flux for babbitt submerged arc brazing, comprising the following steps:
[0058] (1) dry mixing the powder weighed by weight percentage in a dry mixer until uniform;
[0059] (2) add potassium sodium water glass of 25% of the total weight of ingredients in the powder after the dry mixing and carry out wet mixing in a wet mixer until the wet mixing is uniform;
[0060] (3) the wet powder of wet mixing is sent into the ...
Embodiment 3
[0068] A sintered flux for submerged arc brazing of babbitt alloy, the raw material and the weight percentage of each raw material component are: boric acid: 25%; borax: 30%; white corundum: 20%; sodium fluoride: 10%; sodium chloride : 10%; marble: 5%. wherein H in the boric acid 3 BO 3 Content ≥ 95%, Na in the borax 2 B 4 O 7 ·10H 2 O content≥95%, Al in the white corundum 2 O 3 Content ≥ 85%, NaF content in the sodium fluoride ≥ 95%, NaCl content in the sodium chloride ≥ 95%, CaCO in the marble 3 Content ≥ 95%.
[0069] A preparation method of sintered flux for babbitt submerged arc brazing, comprising the following steps:
[0070] (1) dry mixing the powder weighed by weight percentage in a dry mixer until uniform;
[0071] (2) adding potassium sodium water glass of 25% of the total weight of ingredients to the powder after the dry mixing, and performing wet mixing in a wet mixer until the wet mixing is uniform;
[0072] (3) the wet powder of wet mixing is sent int...
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