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Magnesium alloy plate and strip rolling production line and rolling molding production method thereof

A magnesium alloy plate and production method technology, applied in the direction of metal rolling, etc., can solve the problems of low-cost production, unstable structure and performance, and low production efficiency of thin-gauge products, and achieve high mechanical properties and yields. Low cost, the effect of reducing investment costs

Inactive Publication Date: 2016-02-17
CHINA NON-FERROUS METALS PROCESSING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] In order to solve the problems existing in the field of magnesium alloy plate and strip production technology in the prior art, such as low production efficiency, low yield, unstable or even unqualified structure and performance, thin-gauge products cannot be produced or low-cost production cannot be carried out by the coil method problem, the purpose of this invention is to provide a magnesium alloy strip rolling production line and its rolling forming production method

Method used

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  • Magnesium alloy plate and strip rolling production line and rolling molding production method thereof

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Embodiment 1

[0031] Taking the production of AZ40M magnesium alloy ingots with a size of 350×1000×1200mm (thickness×width×length) of magnesium alloys and the production of finished plates with dimensions of 15×1200×2000mm (thickness×width×length) as an example, the magnesium alloys are described in detail Strip roll forming production method.

[0032] After the AZ40M magnesium alloy ingot 3 with the specification of 350×1000×1200mm (thickness×width×length) passes through the ingot heating furnace to complete the heating process, it is transported by the roller table 2 in front of the machine to the hot rolling mill 4, and the magnesium alloy ingot is passed through hot rolling. After 15 reciprocating rolling passes of the machine, its thickness is reduced to 15mm. After the magnesium alloy ingot with a thickness of 15mm is processed online by the surface treatment equipment 5, after the removal of defective layers such as surface oxidation is completed, the finished plate is rolled off the...

Embodiment 2

[0034] Taking the production of AZ31B magnesium alloy ingots with a magnesium alloy incoming material of 350×1200×1200mm (thickness×width×length) and a finished plate size of 5×1220×1850mm (thickness×width×length) as an example, the magnesium alloy is described in detail Strip roll forming production method.

[0035] First, the AZ31B magnesium alloy ingot 3 with the specification of 350×1200×1200mm (thickness×width×length) passes through the ingot heating furnace to complete the heating process, and then is transported to the hot rolling mill 4 by the roller table 2 in front of the machine, and the magnesium alloy ingot passes through After the reciprocating and reversible 15-pass rolling of the hot rolling mill, its thickness is reduced to 22mm, and the magnesium alloy ingot with a thickness of 22mm is heated and kept at 400°C for 45 minutes in the roller table heating furnace 1 to complete the heat replenishment process. After the hot process, the magnesium alloy ingot is tr...

Embodiment 3

[0038] Taking the production of AZ91D magnesium alloy ingots with a magnesium alloy incoming material of 350×1250×2200mm (thickness×width×length) and the finished plate size of 0.8×1420×2000mm (thickness×width×length) as an example, the magnesium alloy is described in detail Strip roll forming production method.

[0039] Firstly, the AZ91D magnesium alloy ingot 3 with the specification of 350×1250×2200mm (thickness×width×length) passes through the ingot heating furnace to complete the heating process, and then is transported by the roller table 2 in front of the machine to the hot rolling mill 4, and the magnesium alloy ingot passes through After the reciprocating and reversible 16-pass rolling of the hot rolling mill, its thickness is reduced to 28mm, and then transported by the roller table 2 in front of the machine into the roller table heating furnace 1 for heating and heat preservation at 410°C for 60 minutes. The magnesium alloy ingot after the heat supplement process is...

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Abstract

The invention discloses a magnesium alloy plate and strip rolling production line. The magnesium alloy plate and strip rolling production line comprises a roller way heating furnace, a hot milling machine and a warm and cold milling machine which are sequentially arranged in the rolling direction, the roller way heating furnace is arranged on a front-machine roller way online, the front-machine roller way is arranged on the front portion of the hot milling machine, and a middle roller way is arranged between the hot milling machine and the warm and cold milling machine; a surface treatment device is arranged on the middle roller way online, an overground coiling machine A and an overground coiling machine B which are higher than the rolling line elevation are symmetrically arranged on the left side and the right side of the warm and cold milling machine, and an underground coiling machine A and an underground coiling machine B which are lower than the rolling line elevation are symmetrically arranged on the left side and the right side of the warm and cold milling machine; and meanwhile, a magnesium alloy plate and strip rolling molding production method completed through the above production line is disclosed. By means of the magnesium alloy plate and strip rolling production line, the requirements of a magnesium alloy plate and strip for production process parameters such as the rolling temperature and the rolling schedule are effectively met, and magnesium alloy medium-thick sheets and thin-specification strip coiled material products which are higher in mechanical property and yield and lower in production cost are produced.

Description

technical field [0001] The invention belongs to the technical field of metal plate and strip rolling, and in particular relates to a magnesium alloy plate and strip rolling production line and a rolling forming production method thereof. Background technique [0002] Magnesium alloy strip has the characteristics of low density, high specific strength and specific stiffness, good electrical and thermal conductivity, non-magnetic, good shielding and non-toxic, so it is widely used in national defense, aerospace, transportation, mechanical electronics and 3C Electronic products and other fields. [0003] However, compared with commonly used steel, copper, aluminum and other metal plates and strips, there is a big gap in the production process and market application of magnesium alloy plates and strips, and it is still in the initial stage of scale development and market application. The main reason is that the plastic deformation ability of magnesium alloy is not high, and it ...

Claims

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Application Information

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IPC IPC(8): B21B1/38
CPCB21B1/38
Inventor 韩晨曾安明赵景申孙付涛杨松涛罗付华赵京松康军伟张玉杰欧斌杨晓霞施修峰许石亮李忠良余铭皋周百泉
Owner CHINA NON-FERROUS METALS PROCESSING TECH CO LTD