Magnesium alloy wide plate three-roll casting-rolling mill

A casting and rolling mill, magnesium alloy technology, applied in the direction of metal rolling, etc., can solve the problems of difficult realization of structure, restriction of casting and rolling quality, and increase of the length of the roll gap process.

CN101875056AInactive Publication Date: 2010-11-03FUJIAN HUAMEI NEW TECH DEV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2010-11-03
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a magnesium alloy wide plate three-roll casting-rolling mill. The casting-rolling mill has the advantages of the two-roll casting-rolling mill and the four-roll casting-rolling mill, overcomes the defects thereof and is characterized by fast solidifying speed and cooling speed, high rolling pressure and good plate shape control. The three-roll casting-rolling mill can be used to cast and roll liquid magnesium alloy to casting-rolling strips with 800mm-1800mm of width, large deformation and good plate shape; and the main body of the casting-rolling mill is designed to be a reducing three-roll casting-rolling mill. By using the three-roll casting-rolling mill, the technological parameter indexes, such as stable liquid stream, uniform current distribution, stable temperature field, large unit rolling pressure and good plate shape, of the casting and rolling requirements of the magnesium alloy wide sheet are easy to realize.
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Description

Technical field:

[0001] The invention belongs to a magnesium alloy wide sheet casting and rolling mill, in particular to a three-roll casting and rolling mill equipment for casting and rolling a wide magnesium alloy thin slab. technical background:

[0002] The density of magnesium alloy is about 1 / 4 of steel, 2 / 3 of aluminum, similar to plastic, with high specific strength and specific stiffness, good thermal conductivity, good damping and shock absorption, excellent machining performance, stable size of parts and easy Recycling and other advantages, with excellent value and broad application prospects, it is known as "the most promising green engineering material in the 21st century". Magnesium alloys are now widely used in industries such as automobiles, aviation, aerospace, metallurgy, chemicals, communications, electronics and sporting goods. Especially since the early 1990s, increasingly urgent energy and environmental issues have greatly stimulated the development of...

Examples

Embodiment Construction

[0019] 1800mm magnesium alloy thin plate three-roll casting mill

[0020] The structure of the widest 1800mm magnesium alloy thin plate three-roll casting mill, the actual working section length of the three rolls is 2000mm. The middle roll is 350mm in diameter and the two double drive drive rolls are 960mm in diameter. The internal water cooling structure of the roll is designed according to the internal water cooling parameters of ordinary casting and rolling mills. The axial plane of the roll is inclined 10 degrees to the direction of the nozzle. Two pairs of upper and lower hydraulic cylinders are used in the archway, with a maximum rolling force of 2,000 tons, and the roll gap at the left and right ends of the roll can be adjusted separately as required. The rotation direction of the upper and lower driving rolls of the double drive is the same, and the speed can be adjusted steplessly. The design range of the surface linear speed of the casting roll is 2 m / min to 8 m / m...