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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, which is applied in the field of production methods and split-type casting molds, can solve the problems of high energy consumption and complicated processing procedures, simplify the process, reduce workload and intensity, and save processing hours Effect

Active Publication Date: 2013-02-27
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 plate produced is NiCu alloy, the length of the slab is 500mm, the width is 500mm, and the thickness is 200mm.

[0031] Using the split casting mold of the present invention, the cavity has no taper, the appearance is a square truss, the minimum thickness of the mold wall is 100mm, the maximum thickness is 175mm, and the taper is 15%. When pouring, the diameter of the gate is 13-15mm, The number of pouring holes is two, evenly distributed, for vacuum casting, and the vacuum degree is less than 10Pa.

[0032] The comparative example of embodiment 1

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

[0034] The ingot is poured with a taper integral casting mold of the prior art to obtain an ingot with a body size of Φ400 / Φ300×810mm; the ingot is peeled off with a lathe, and the riser is sawed with a sawing machine, and then the ingot is cast Carry out forging to remove the taper of the ingot itself to form a ro...

Embodiment 2

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

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

[0038] The comparative example of embodiment 2

[0039] The material and specification of the plate produced are the same as in Example 2.

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

Embodiment 3

[0042] The specifications of the slab: the length is 870mm, the width is 600mm, and the 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 embodiment 1.

[0043] The comparative example of embodiment 3

[0044] The material and specification of the plate produced are the same as in Example 3.

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

[0046] The corrosion-resistant alloy plate produced by the method of the present invention and the mechanical performance contrast of the corrosion-resistant alloy plate produced by the prior art in table 1

[0047]

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

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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 used casting mold, in particular to a production method for processing a corrosion-resistant alloy plate with a high aspect ratio and a used split casting mold. Background technique [0002] At present, the mold used for billet casting is composed of a mold body, a chassis and a thermal insulation cap. The mold body is an integrated structure. In order to facilitate the removal of the billet from the mold, the inner cavity of the mold body is set to a certain degree of taper in the height direction. . Since the mold sticking often occurs during the molten steel pouring process, that is, the steel ingot and the mold part 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 forcibly separate the ingot from the overall structure. Take it out from the inner cavity of the mold body. Therefore, it is necessa...

Claims

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Application Information

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Patent Type & Authority Applications(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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