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A kind of plate shape control method of titanium plate

A technology of plate shape control and titanium plate, applied in the field of metallurgy, which can solve the problems of waste products, many waste products, buckle heads and so on.

Active Publication Date: 2022-02-15
SHANXI TAIGANG STAINLESS STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. During the rough rolling process, there is a serious buckle warping phenomenon, which frequently causes waste products
[0005] 2. After the titanium plate is rolled, there is an obvious buckle phenomenon. In severe cases, the buckle arch height reaches about 80mm, which has a great impact on the further processing of downstream enterprises and produces more waste products.

Method used

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  • A kind of plate shape control method of titanium plate
  • A kind of plate shape control method of titanium plate
  • A kind of plate shape control method of titanium plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] This embodiment rolls titanium plate Ti3111, and the coil number is 99A109001.

[0063] The specifications of the billet are: thickness 172mm, width 1078mm, length 8040mm; the thickness of the rough rolling exit is 35mm, and the specifications of the finished product are: thickness 5.2mm, width 1084mm, and the target temperature is 690°C.

[0064] The titanium plate billet is heated in a trolley furnace, and the target temperature for exiting the furnace is 880°C. After exiting the furnace, the rough rolling adopts seven-pass rolling, and the exit thickness is 35mm.

[0065] 1) Calculation of rough rolling parameters:

[0066] The thickness of the blank is 172mm. According to Table 1, the initial reductions (mm) of the seven passes are determined to be 46, 58, 50, 53, 42, 37, and 25, respectively. The total lateral pressure is -6mm. According to Table 2, determine the maximum lateral pressure (mm) of the 1st, 3rd, 5th, and 7th passes as: 5, 10, 10, and 10, respectively...

Embodiment 2

[0077] In this embodiment, the rolled titanium plate TA3 has a coil number of 99A139502.

[0078] The specifications of the billet are: thickness 201mm, width 1138mm, length 7110mm; rough rolling exit thickness 35mm, finished product specification: thickness 7.0mm, width 1132mm, target temperature 690°C.

[0079] The titanium plate billet is heated in a trolley furnace, and the target temperature for exiting the furnace is 880°C. After exiting the furnace, the rough rolling adopts seven-pass rolling, and the exit thickness is 35mm.

[0080] 1) Calculation of rough rolling parameters:

[0081] The thickness of the billet is 201 mm. According to Table 1, the initial reductions (mm) of the seven passes are determined to be 45, 58, 49, 53, 42, 37, and 25, respectively. The total lateral pressure is 6mm. According to Table 2, the maximum lateral pressure (mm) of the 1st, 3rd, 5th, and 7th passes is determined to be 20, 20, 20, and 15, respectively. The rolling parameters of rough...

Embodiment 3

[0092] In this embodiment, the rolled titanium plate TA1 has a coil number of 99B100101.

[0093] The specifications of the billet are: thickness 209mm, width 1235mm, length 8001mm; rough rolling exit thickness 35mm, finished product specification: thickness 8.1mm, width 1220mm, target temperature 690°C.

[0094] The titanium plate billet is heated in a trolley furnace, and the target temperature for exiting the furnace is 880°C. After exiting the furnace, the rough rolling adopts seven-pass rolling, and the exit thickness is 35mm.

[0095] 1) Calculation of rough rolling parameters:

[0096] The thickness of the blank is 209mm. According to Table 1, the initial reductions (mm) of the seven passes are determined to be 44, 58, 47, 53, 42, 37, and 25, respectively. The total lateral pressure is 15mm. According to Table 2, the maximum lateral pressure (mm) of the 1st, 3rd, 5th, and 7th passes is determined to be 25, 30, 20, and 20, respectively. The rolling parameters of rough ...

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Abstract

The invention discloses a method for controlling the shape of a titanium plate, comprising: heating the slab, removing phosphorus by high-pressure water, rough rolling and finish rolling, wherein the rough rolling determines the exit thickness of the rough rolling and the initial thickness of each pass according to the preset The reduction amount is allocated and the slab is rolled seven times by increasing the limit of the maximum lateral pressure in each pass of the odd pass. The method of the invention can solve the buckle warping problem existing in the rolling process of the titanium plate and the titanium alloy and the buckling phenomenon existing after the rolling is completed.

Description

technical field [0001] The invention relates to the technical field of metallurgy, in particular to a method for controlling the shape of a titanium plate. Background technique [0002] The hot continuous rolling process is a method of producing steel products, usually using continuous casting slabs or blooming slabs as raw materials. The slab is first heated in the heating furnace according to the temperature specified by the process, and heated to the target temperature. Then the slab is descaled by high-pressure water, and then enters the roughing mill, usually with vertical rolls to control the width and flat rolls to control the thickness. After being rolled by the rough rolling unit, the strip steel reaches the preset target thickness, width and temperature, and then the strip steel enters the finishing rolling unit for continuous rolling, so that the strip steel reaches the preset target thickness and temperature. Finally, the strip is formed into coils by a coiler....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B3/00B21B37/28
CPCB21B3/00B21B37/28
Inventor 邱华东陈达陈艳芳
Owner SHANXI TAIGANG STAINLESS STEEL CO LTD
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