Method and installation for producing thin flat products

A manufacturing method and equipment technology, applied in the direction of manufacturing tools, metal processing equipment, workpiece surface treatment equipment, etc.

Inactive Publication Date: 2003-10-01
SMS DEMAG AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] Therefore, on industrial plants according to the prior art, in the case of very wide strips (> 1250 mm), it is not possible to operate at 50%-80% in the duplex r

Method used

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  • Method and installation for producing thin flat products
  • Method and installation for producing thin flat products
  • Method and installation for producing thin flat products

Examples

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Effect test

Embodiment Construction

[0027]The production equipment includes a casting machine 15 for producing thick continuous casting slabs, medium-thick continuous casting slabs or thin slabs, a shearing machine 14 for dividing the slab into billets, and a heating and cold charging or hot charging A furnace for soaking continuous casting slabs or thin slabs to the rolling temperature 13, a high-pressure water descaling machine for descaling heated or soaked continuous casting slabs 2, and a conveyor in the rolling direction Roller table 3 for slabs or rolling pieces that swings the intermediate strip during intermediate cooling, a single-stand or double-stand and used to roll continuous cast slabs into rough strips in at least two rolling stages Rough rolling mill 4, a roll table section with a reversible heat-insulating cover 5, a straightening device for straightening the rough strip 6, a set for the entire width and length of the rough strip Induction heating device that can adjust the heating of the rough-rol...

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PUM

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Abstract

The invention relates to a method for the manufacture of flat bars, also wide, from thick, medium or thin slabs in a production plant (1) comprising a single-stand or multi-stand Roughing mill (4), a roller table (3) for transporting and possibly oscillating the rolling stock, a roller table section with a reversible heat-insulating cover (5), a straightening device for straightening the rough rolling stock ( 6), an inductive heating device (7), especially an induction heating device (7), a multi-stand finishing mill (10), a strip There is a device (11) for cooling the hot strip and an output roller table of the post-coiler (12) for coiling the finished strip. In a single-stand or double-stand roughing mill, one or more slabs made of medium carbon steel or alloy carburizing steel or alloy quenched and tempered steel with a carbon content of about 0.2%-0.8% pass on the roller table Oscillating and paused for intercooling are rolled into one or more rough strips in two stages. The rough strip is heated to a specified temperature over its entire width and length by the combined action of the cover and the induction heating device and rolled into a high-strength finish in a multi-stand finishing mill in a dual-phase zone. thin ribbon.

Description

Technical field [0001] The present invention relates to a method for manufacturing a high-strength thin flat material that is also very wide and is warm-rolled in a dual-phase zone from thick continuous casting slabs or medium-thick continuous casting slabs or thin slabs on such equipment, that is, the equipment It includes a single-stand or multi-stand roughing mill, a roller table that transports and swings the rolled piece, a roller table section with a reversible heat-insulating cover, a straightening device for straightening the rough rolled piece, and An induction heating device that can controllably heat the rough-rolled product to a specified temperature within the entire length and width of the rough-rolled product, a multi-stand finishing mill, a device with a cooling hot strip and used for coiling and finishing rolling The output roller table of the coiler at the rear of the strip, in which one or more pieces of medium carbon steel or alloy with a carbon content of abou...

Claims

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Application Information

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IPC IPC(8): B21B1/26B21B1/34B21B1/46B21B37/00B21B37/74B21B45/00C21D8/02
CPCB21B1/26B21B1/34B21B1/466B21B37/005B21B37/74B21B45/004B21B45/008C21D8/0226Y02P70/10
Inventor H·维哈格U·施科达-多普M·布罗伊尔J·哈菲
Owner SMS DEMAG AG
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