Importance

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Abstract

Analysis shows that the present disclosure discloses a single-tooth track plate cogging-down pass and a hot rolling method, comprising 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, and the second cogging hole is formed by a second upper roller and a second lower roller of the cogging mill, wherein the first cogging hole is a front hole, and the first cogging hole is used to extrude the rectangular continuous casting billet into a mountain shaped middle billet including a right bent limb, a first center column, and a left bent limb, wherein the second cogging hole is a rear hole, the second cogging hole is used to extrude the mountain shaped middle billet into an inverted T-shaped middle billet including a right flat limb, a second center column, and a left flat limb. The present disclosure significantly reduces the dependence on billet size, allowing for the production of larger single-tooth track plates using smaller billets, which has a good energy-saving and consumption reducing effect. The unique design of the first and second cogging holes eliminate the shortcomings of low efficiency, poor safety, and poor dimensional accuracy caused by the instability of billets, and realizes the efficient production of single-tooth track plate.

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First Claim