Single-tooth track shoe cogging pass and hot rolling method
The invention provides a single-tooth track shoe cogging pass and a hot rolling method, the single-tooth track shoe cogging pass comprises a first cogging hole and a second cogging hole, the first cogging hole is formed by a first upper roller and a first lower roller of a cogging mill, the second c...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides a single-tooth track shoe cogging pass and a hot rolling method, the single-tooth track shoe cogging pass comprises a first cogging hole and a second cogging hole, the first cogging hole is formed by a first upper roller and a first lower roller of a cogging mill, the second cogging hole is formed by a second upper roller and a second lower roller of the cogging mill, the first cogging hole is a front hole, and the second cogging hole is a rear hole. The first cogging hole is used for extruding a rectangular continuous casting blank into an E-shaped middle blank comprising a right bent limb, a first middle column and a left bent limb; and the second cogging hole is a rear hole and is used for extruding the mountain-shaped middle blank into an inverted T-shaped middle blank comprising a right flat limb, a second middle column and a left flat limb. According to the method, the dependence on the size of the blank is remarkably reduced, the single-tooth track shoe with the large specificati |
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