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Method of producing TA10 alloy rolls through twenty-roller cold rolling unit

A 20-high, cold rolling mill technology, applied in metal rolling, roll speed control, metal rolling, etc., to achieve the effects of convenient operation, lower production cost, increase output and yield

Inactive Publication Date: 2015-12-16
YUNNAN TITANIUM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to address the deficiencies of the prior art, to provide a TA10 alloy coil produced with good quality, high single coil weight, fast production speed, short process flow, convenient operation, which can effectively solve the traditional method of producing TA10 alloy. The method of producing TA10 alloy thin coils by using a 20-high cold rolling mill to solve the problems in coils

Method used

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  • Method of producing TA10 alloy rolls through twenty-roller cold rolling unit
  • Method of producing TA10 alloy rolls through twenty-roller cold rolling unit

Examples

Experimental program
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Effect test

Embodiment 1

[0014] The method for producing TA10 alloy coils by adopting a 20-roller cold rolling mill according to the present invention comprises the following steps:

[0015] (1) Annealing the TA10 alloy coil with a thickness of 3.0mm and a width of 1250mm produced by a hot rolling mill, the annealing temperature is 740°C, and the annealing time is 240min;

[0016] (2) Shot blast the TA10 alloy coil after the annealing is completed, and then carry out pickling after the shot blasting is completed, and the proportion of the pickling solution is 5% HF, 25% HNO 3 and 70% H 2 O;

[0017] (3) After the pickling is completed, the coil is threaded, and the coil is placed on the coiling mechanism of the 20-roll cold rolling mill for threading, and the TA10 alloy coil is rolled in 8 to 15 passes with the 20-roll cold rolling mill; The rolling process is shown in Table 1, and TA10 alloy coils with a thickness of 0.4-1.0 mm can be obtained;

[0018] (4) Degrease the TA10 alloy coil rolled to t...

Embodiment 2

[0023] The method for producing TA10 alloy coils by adopting a 20-roller cold rolling mill according to the present invention comprises the following steps:

[0024] (1) Annealing the TA10 alloy coil with a thickness of 3.0mm and a width of 1400mm produced by a hot rolling mill, the annealing temperature is 780°C, and the annealing time is 300min;

[0025] (2) Shot blast the TA10 alloy coil after the annealing is completed, and then carry out pickling after the shot blasting is completed, and the proportion of the pickling solution is 8% HF, 20% HNO 3 and 72%H 2 O;

[0026] (3) After the pickling is completed, the coil is threaded, and the coil is placed on the coiling mechanism of the 20-roll cold rolling mill for threading, and the TA10 alloy coil is rolled in 8 to 15 passes with the 20-roll cold rolling mill; During the rolling process of the cold rolling mill, the reduction rate of each pass, that is, the deformation rate, is controlled at 10% to 16%, the rolling force i...

Embodiment 3

[0029] The method for producing a TA10 alloy coil by a twenty-high cold rolling mill comprises the following steps:

[0030] (1) Annealing the TA10 alloy coil with a thickness of 3.0mm and a width of 800mm produced by a hot rolling mill, the annealing temperature is 650°C, and the annealing time is 480min;

[0031] (2) Shot blast the TA10 alloy coil after the annealing is completed, pickling after the shot blasting is completed, the pickling liquid ratio is 10% HF, 15% HNO 3 and 75%H 2 O;

[0032] (3) After the pickling is completed, the coil is threaded, and the coil is placed on the coiling mechanism of the 20-roll cold rolling mill for threading, and the TA10 alloy coil is rolled in 8 to 15 passes with the 20-roll cold rolling mill; During the rolling process of the cold rolling mill, the reduction rate of each pass, that is, the deformation rate, is controlled at 10% to 16%, the rolling force is controlled at 4500 to 6000kN, and the rolling speed is controlled at 100 to ...

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Abstract

The invention discloses a method of producing TA10 alloy rolls through a twenty-roller cold rolling unit. The TA10 alloy rolls, being 3.0 mm thick, produced by a hot continuous rolling mill are annealed at 650-780 DEG C for 240-480 minutes; shot blasting is carried out on the TA10 alloy rolls after annealing is completed, and acid pickling is carried out after shot blasting is completed; after acid pickling is completed, the twenty-roller cold rolling unit is used for rolling the TA10 alloy rolls for 8-15 times, and then the TA10 alloy rolls can be rolled to the target thickness, namely 0.4-1.0 mm; the TA10 alloy rolls rolled to the target thickness are degreased, wherein the degreasing temperature ranges from 65 DEG C to 80 DEG C. According to the invention, the target thickness, the pattern block and the required surface quality can be obtained through one single rolling process, the processes of degreasing, annealing, shot blasting, acid pickling and the like in the cold rolling process are avoided, the output and the yield of the cold TA10 alloy rolls can be greatly increased on the premise of guaranteeing the quality of the cold TA10 alloy rolls, and the production cost of the cold TA10 alloy rolls can be lowered.

Description

technical field [0001] The invention relates to the technical field of production methods of titanium alloy coils. Background technique [0002] Because TA10 alloy does not contain rare and precious elements, it has good processing performance, and its corrosion resistance in reducing medium and high temperature chloride is significantly improved compared with pure titanium. In some environments where pure titanium may have crevice corrosion, TA10 alloy will replace Pure titanium is used in a very wide range of applications. [0003] At present, the thin titanium plate industry has the largest demand for TA10 alloy in the market, and the production method of its thin plate basically adopts the cold rolling mode of single sheet reciprocating rolling, lacking a good strip surface lubrication system and pattern control system. Not only the process flow is long, the output is low, the control effect of the shape, thickness and surface quality of the coiled plate is poor, and ro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B1/22B21B45/02B21B37/58B21B37/46
CPCB21B1/22B21B37/46B21B37/58B21B45/0272
Inventor 黄海广吴浩蒋泰旭常永康黄晓慧杨兴灿
Owner YUNNAN TITANIUM IND
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