Method for rolling pure titanium strip by using Sendzimir 20-high mill

A 20-roll rolling, pure titanium technology, applied in the direction of rolling mill control device, metal rolling, metal rolling, etc., can solve the problems of thickness, surface shape can not be effectively guaranteed, less usage, low yield, etc.

Active Publication Date: 2017-05-31
SHANXI TAIGANG STAINLESS STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the small amount of use, considering the investment cost, professional manufacturers at home and abroad generally adopt ...

Method used

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  • Method for rolling pure titanium strip by using Sendzimir 20-high mill
  • Method for rolling pure titanium strip by using Sendzimir 20-high mill
  • Method for rolling pure titanium strip by using Sendzimir 20-high mill

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Experimental program
Comparison scheme
Effect test

Embodiment

[0029] Brand: TA1, width 1240mm, raw material thickness 4.0mm, finished product thickness 1.0mm.

[0030] ⑴Roll system configuration

[0031] The convexity of the two intermediate free rolls is 0.20mm at the top and bottom, the cone length of the first intermediate roll is 280mm, and the taper is 0.26%, and the working rolls use flat rolls.

[0032] ⑵Correction coefficient of thickness gauge

[0033]

[0034] ⑶ surface control

[0035] ①The rolling speed is controlled at 130m / min;

[0036] ② The pass deformation rate is controlled between 8.5-21%;

[0037] ③The flow rate of rolling oil for strip cooling is 7800L / min;

[0038] ④ The strip inlet and outlet flow ratio should be controlled at 0.6;

[0039] ⑤ The surface temperature of the strip steel is between 60-90°C.

[0040] Effect: The rolling of the pure titanium strip is successfully completed and the quality requirements required by the user are met. The thickness accuracy can be controlled within ±0.01mm, the un...

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Abstract

The invention discloses a method for rolling a pure titanium strip by using a Sendzimir 20-high mill. The method comprises the steps of (1) profile control achieved by designing roll system configuration; (2) thickness control including the step of correcting correction coefficients of each thickness interval of a thickness gauge by using titanium plate thickness standard plates; and (3) surface control including the step of strictly controlling strip steel temperature and rolling technology parameters when rolling is carried out. By utilization of an existing stainless steel 20-high Sendzimir mill, through thickness gauge adjustment, roll system configuration and rolling technology control, satisfactory profile, thickness, surface and yield are obtained.

Description

technical field [0001] The invention relates to a method for rolling a pure titanium strip with a Sendzimir twenty-high rolling mill, belonging to the technical field of stainless steel production. Background technique [0002] Pure titanium plate has high strength, light weight and high added value, and is widely used in high-tech fields such as military industry and aerospace. Due to the small amount of use and considering the investment cost, domestic and foreign professional manufacturers generally adopt a single sheet hot rolling process, which has a low yield and cannot effectively guarantee the thickness, surface, and shape of the plate. Due to the continuous development of the Sendzimir 20-high rolling mill technology, the production technology is becoming more and more mature, the control of thickness, surface and plate shape is no longer a problem, and the yield rate is more than 15% higher than that of single sheet rolling. Some companies engaged in high-end titan...

Claims

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Application Information

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IPC IPC(8): B21B3/00B21B37/38B21B37/24B21B37/74B21B37/48
CPCB21B3/00B21B37/165B21B37/24B21B37/38B21B37/48B21B37/74B21B2261/04
Inventor 杨东孙猛林
Owner SHANXI TAIGANG STAINLESS STEEL CO LTD
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