A kind of rotor guide bar and preparation method thereof
A rotor guide bar and formula technology, applied in the field of materials, can solve the problems of cumbersome preparation methods and low production efficiency, and achieve the effect of simple process and uniform grain size
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Embodiment 1
[0049] This embodiment provides a method for preparing a rotor conductor, and the method includes the following steps:
[0050] In terms of mass percentage, the rotor bar includes: Zr 0.09wt%, Ni 0.2wt%, Co 0.2wt%, Mg0.35wt%, Si 1.5wt%, Al 0.3wt% and Ag 0.06wt%, the balance is Copper and unavoidable impurities; among the unavoidable impurities, Fe≤0.05wt% and Pb≤0.05wt%.
[0051] (1) ball milling and mixing zirconium powder, magnesium powder, silicon powder, aluminum powder, silver powder, copper plate and binder according to the formula amount, and use absolute ethanol to immerse the abrasive during ball milling to obtain the first abrasive with an average particle size of 30 μm; The binding agent is an epoxy resin, and the addition amount of the binding agent is 11wt% of the first grinding material;
[0052] (2) Heat treating the first grinding material obtained in step (1) at 700° C. to remove the binder in the first grinding material, and obtain the second grinding materi...
Embodiment 2
[0056] This embodiment provides a method for preparing a rotor conductor, and the method includes the following steps:
[0057] In terms of mass percentage, the rotor bar includes: Zr 0.09wt%, Ni 0.15wt%, Co 0.25wt%, Mg 0.32wt%, Si 1.2wt%, Al 0.35wt% and Ag 0.07wt%, the balance is Copper and unavoidable impurities; among the unavoidable impurities, Fe≤0.05wt% and Pb≤0.05wt%.
[0058] (1) ball milling and mixing zirconium powder, magnesium powder, silicon powder, aluminum powder, silver powder, copper plate and binder according to the formula amount, use absolute ethanol to immerse the abrasive during ball milling to obtain the first abrasive with an average particle size of 35 μm; The binding agent is a phenolic resin, and the addition amount of the binding agent is 11.5wt% of the first grinding material;
[0059] (2) heat treating the first grinding material obtained in step (1) at 750° C. to remove the binder in the first grinding material, and obtain the second grinding ma...
Embodiment 3
[0063] This embodiment provides a method for preparing a rotor conductor, and the method includes the following steps:
[0064] In terms of mass percentage, the rotor bar includes: Zr 0.08wt%, Ni 0.1wt%, Co 0.3wt%, Mg0.3wt%, Si 1wt%, Al 0.4wt% and Ag 0.06wt%, the balance is copper and unavoidable impurities; among the unavoidable impurities, Fe≤0.05wt% and Pb≤0.05wt%.
[0065] (1) ball milling and mixing zirconium powder, magnesium powder, silicon powder, aluminum powder, silver powder, copper plate and binder according to the formula amount, use absolute ethanol to immerse the abrasive during ball milling to obtain the first abrasive with an average particle size of 40 μm; The binding agent is a phenolic resin, and the addition amount of the binding agent is 12wt% of the first grinding material;
[0066] (2) Heat treating the first grinding material obtained in step (1) at 800° C. to remove the binder in the first grinding material, and obtain the second grinding material af...
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Abstract
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