Electric grinding machine tool
An electric grinding machine tool is provided with an electric motor, a holding body, a shade connected with the holding body, an eccentric block located in the shade and driven by the electric motor, and an air flow generating piece hung on the eccentric block. The holding body is provided with at...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | An electric grinding machine tool is provided with an electric motor, a holding body, a shade connected with the holding body, an eccentric block located in the shade and driven by the electric motor, and an air flow generating piece hung on the eccentric block. The holding body is provided with at least one air passing hole, a first distance is formed between the air passing hole and the axis of the electric motor, the shade is not provided with a vent hole, the air flow generating piece is provided with a bottom plate and a plurality of fan blades, and a second distance is formed between the top edge of each fan blade and the holding body. A second distance is formed between the outer edge of each fan blade and the shade, a third distance is formed between the outer edge of each fan blade and the shade, the second distance is at least 50% of each longitudinal length of the fan blades, the third distance is at least 50% of each radial length of the fan blades, and the outer diameter of the air flow generatin |
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