Bearing outer ring blank forge piece
A bearing outer ring blank forge piece comprises a ferrule, the inner diameter face of the ferrule is sequentially provided with an upper oblique line section, an upper straight line section, an arc-shaped section, a lower straight line section and a lower oblique line section from top to bottom, an...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A bearing outer ring blank forge piece comprises a ferrule, the inner diameter face of the ferrule is sequentially provided with an upper oblique line section, an upper straight line section, an arc-shaped section, a lower straight line section and a lower oblique line section from top to bottom, and a middle straight line section is formed in the middle of the arc-shaped section; the oblique line section and the lower oblique line section are symmetrical on the ferrule, and the upper straight line section and the lower straight line section are symmetrical on the ferrule. A middle straight line section is arranged in the middle of an arc-shaped section of an inner diameter surface, so that a circular cutter is firstly contacted with the middle straight line section, and upward or downward machining deviation of a machined channel is not easy to generate; the upper oblique line section and the lower oblique line section are arranged on the inner diameter surface, so that materials can be saved, and the cuttin |
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