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Production method of corrosion resistant alloy plates and split type pouring die used by same

A corrosion-resistant alloy and split-type technology is applied in the field of production methods and split-type casting molds, which can solve the problems of complex processing procedures and high energy consumption, reduce workload and work intensity, simplify processes, and achieve significant economic benefits. Effect

Active Publication Date: 2015-01-14
秦皇岛核诚镍业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a method for producing corrosion-resistant alloy plates and the split casting mold used in order to solve the disadvantages of using the prior art casting molds and production methods for plate production, complex processing procedures, and high energy consumption.

Method used

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  • Production method of corrosion resistant alloy plates and split type pouring die used by same
  • Production method of corrosion resistant alloy plates and split type pouring die used by same
  • Production method of corrosion resistant alloy plates and split type pouring die used by same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The material of the produced plate is NiCu alloy, the length of the slab is 500mm, the width is 500mm, and the thickness is 200mm.

[0031] The split-type casting mold of the present invention has no taper in its cavity and a quadrangular pyramid shape in appearance, the minimum thickness of the mold wall is 100mm, the maximum thickness is 175mm, and the taper is 15%; The number of pouring holes is two, evenly distributed, and vacuum pouring is performed, and the vacuum degree is less than 10Pa.

[0032] Comparative Example of Example 1

[0033] The material and specification of the produced plate are the same as in Example 1;

[0034] Cast the ingot with a taper integral casting mold in the prior art to obtain an ingot with a body size of Φ400 / Φ300×810mm; peel the ingot with a lathe, then cut the riser with a sawing machine, and then cut the ingot with a lathe. Forging is carried out to remove the taper of the ingot itself to form a rough slab. The rough slab is first ...

Embodiment 2

[0036] The specifications of the slab are: 600mm in length, 400mm in width, and 150mm in thickness;

[0037] The minimum thickness of the mold wall is 100mm, the maximum thickness is 150mm, the taper is 8%, and the rest are the same as in Example 1.

[0038] Comparative Example of Example 2

[0039] The materials and specifications of the produced plates are the same as those in Example 2.

[0040] The size of the ingot body part of the ingot is Φ340 / Φ340×830mm, and the rest are the same as the control example of Example 1.

Embodiment 3

[0042] Specifications of the slab: length is 870mm, width is 600mm, thickness is 300mm. The minimum wall thickness of the mold wall is 100, the thickest part is 200, the taper is 11.5%, and the rest are the same as in Example 1.

[0043] Comparative Example of Example 3

[0044] The materials and specifications of the produced plates are the same as those in Example 3.

[0045] The size of the ingot body part of the ingot is Φ600 / Φ530×815mm, and the rest are the same as the control example of Example 1.

[0046] Table 1 Comparison of the mechanical properties of the corrosion-resistant alloy sheet produced by the method of the present invention and the corrosion-resistant alloy sheet produced by the prior art

[0047]

[0048] In this table, the width of the sheet corresponds to the length of the slab in the corresponding example.

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Abstract

The invention aims at the defects of complex manufacturing process and large energy consumption for producing plates by using the pouring die and the production method in the prior art and provides a production method of corrosion resistant alloy plates and a split type pouring die used by the same. A die body is composed of a half square cylinder-shaped female die and a half square cylinder-shaped male die, the female die and the male die are combined to form a square cylinder-shaped die cavity by a female die matching surface and a male die matching surface, and the female die and the male die are fastened into a whole by a fastening device. The production method comprises the following steps of: carrying out vacuum pouring to obtain a rough plate blank by adopting the split type pouring die, removing oxide skins and feed heads for the rough plate blank to obtain a plate blank, and rolling the plate blank to obtain the plate. According to the split type pouring die and the production method, because the shape of an inner cavity of the die body is in consistent with the plate blank shape required by the plate, the rough plate blank formed by pouring can become the required plate blank so long as the oxide skins and the feed head are removed, the forging process is saved, and the processing cost is reduced by 20%.

Description

technical field [0001] The invention relates to a production method of a plate and a casting mould used, in particular to a production method of a corrosion-resistant alloy plate with a high aspect ratio and a split casting mould used. Background technique [0002] At present, the mold used for ingot casting consists of a mold body, a chassis and a heat preservation cap. The mold body has an integrated structure. In order to facilitate the removal of the ingot from the mold, the inner cavity of the mold body is set to a certain taper in the height direction. . Since in the molten steel casting process, mold sticking often occurs, that is, the steel ingot and the mold are connected together. When the mold with the above structure is used to cast the ingot, since the mold body is integral, it is necessary to force the ingot from the overall structure. Take it out from the inner cavity of the mold body. Therefore, it is necessary to use gravity to hammer the ingot, or use ext...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D7/08B22D7/00
Inventor 王明家李艳美朱德强
Owner 秦皇岛核诚镍业有限公司
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