Method for manufacturing bottom shrunk type steel ingot mold

A manufacturing method and technology of steel ingot moulds, which are applied in the field of metallurgical foundry industry, can solve problems such as easy cracks and peeling, waste of process materials, etc., and achieve the effect of convenient operation and ideal practical effect

Inactive Publication Date: 2019-03-08
SHANGHAI BAOSTEEL CASTING
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  • Abstract
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Problems solved by technology

Since the corresponding shape of the ingot tail part usually adopts a relatively regular shape, and the shape and size are smaller than the bottom size of the ingot, after the steel ingot is formed, a polygonal and plum-shaped protruding part is formed at the junction of the bottom and the ingot tail, which often needs to be cut Remove these

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  • Method for manufacturing bottom shrunk type steel ingot mold
  • Method for manufacturing bottom shrunk type steel ingot mold

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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] see figure 1 and figure 2 , the present invention provides a bottom-retracting steel ingot mold and a manufacturing method thereof. The bottom of the steel ingot mold 1 is closed, and the inner wall at the bottom 2 of the steel ingot mold is provided with two different sections of reduced caliber and caliber height, and the reduced caliber close to the outer mouth It is a small caliber, the inner side of the small caliber is a reduced large caliber, and the height H of the large caliber is greater than the height h of the small caliber, so as to prevent the closing part from melting too quickly.

[0017] Such as figure 1 As shown in , a smooth transition is formed between the height H of the large diameter and the height h of the small diameter of the inner wall of the bottom 2 of the ingot mold.

[0018] In the case of reducing the diameter o

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Abstract

The invention relates to a method for manufacturing a bottom shrunk type steel ingot mold. The bottom of the steel ingot mold is shrunk, the inner wall at the bottom shrunk position is provided with two section different reducing openings and two section different opening heights, the reducing opening, close to an outer opening, is a small opening, a reducing large opening is located on the side part of the interior of the small opening, the height H of the large opening is larger than the height h of the small opening, so that too fast melting loss of the shrunk part can be prevented; and a smooth transition is formed between the height H of the large opening and the height h of the small opening. According to the method, the bottom structure of the steel ingot mold is locally changed, sothat the process and material waste and the influence on the rear forging procedure are reduced, meanwhile, the situation that cracks and peeling are generated at the bottom of the steel ingot mold is reduced, and the service life of the steel ingot mold is prolonged. The bottom shrunk type steel ingot mold can be widely applied to occasions of producing polygonal steel ingots and plum-shaped steel ingots, the steel ingot mold does not change the overall shape of the steel ingot, the operation is convenient, and the steel ingot mold has an ideal practical effect.

Description

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Claims

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Application Information

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Owner SHANGHAI BAOSTEEL CASTING
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