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Method for fixing chilling block on die slope

A technology of cold iron and inclined plane, which is applied in the direction of manufacturing tools, casting molding equipment, casting molds, etc., and can solve problems such as difficulty in mold removal, unfavorable post-production, magnetization of metal mold cold iron, etc.

Active Publication Date: 2016-11-23
KOCEL EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, magnets are generally used to position the cold iron. This method is only suitable for metal molds and the cold iron is light in weight.
However, for heavy cold iron or wooden molds, the lack of magnetic force will cause the cold iron to shift or cannot be fixed at all.
If the method of increasing the number of magnets is used to increase the magnetic force, it will cause various problems such as difficulty in mold removal, magnetization of metal molds or cold iron, which is not conducive to later production

Method used

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  • Method for fixing chilling block on die slope

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Embodiment Construction

[0020] Such as figure 1 As shown, (A) First, according to the structural requirements of the casting, it is necessary to set the chill iron 2 on the mold slope 1, and according to the wall thickness of the casting tool on the slope and the size of the hot joint, determine the thickness of the chill iron to be placed on the slope as a, Among them, the value of a is 0.6-0.8 times of the size of the hot section of the casting. (B) Then measure the angle α between the above-mentioned mold slope 1 and the horizontal direction, and determine the minimum length of the length b of the cold iron according to the formulas (1), (2) and (3):

[0021] Formula 1),

[0022] Formula (2),

[0023] Formula (3);

[0024] Adopt above-mentioned method, the minimum length dimension of the cold iron of design can make the center of gravity line of cold iron 2 and the intersecting point of the mold slope 1 of placing fall in the surface that the bottom surface of cold iron overlaps with...

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Abstract

The invention relates to the technical field of casting, in particular to a method for fixing a chilling block on a die slope. The method particularly relates to the steps that (A) the thickness a of the chilling block is determined according to the casting thermal center or wall thickness size corresponding to the die slope; (B) the angle alpha between the die slope and the horizontal direction is measured, and the slope of the length b of the chilling block is determined according to a formula (1), a formula (2) and a formula (3), and please see the formula (1), the formula (2) and the formula (3) in the specification; (C) according to the length, determined in the last step, of the chilling block, a mark at the position of the chilling block is drawn at the design position of the chilling block, a paint mark with the good coating performance is sprayed; (D) two cap-free steel nails for fixing the chilling block are fixed at the positions, on the two sides relative to the line of the center of gravity of the chilling block, of the lower edge line of the mark of the chilling block; and (E) before modeling, the chilling block is placed according to the mark of the chilling block, a sand mixer is started to flow sand, a sand model is drawn after the sand model is compacted, a coating is applied to the surface of a cavity of the sand model, holes left by protruding parts of the steel nails on the surface of the cavity are covered and leveled, and the follow-up technological processes are executed.

Description

technical field [0001] The invention relates to the field of casting technology, in particular to a method for fixing chill iron on a mold slope, which is mainly applicable to the method of setting direct external cooling chill iron on the slope of a casting mold in casting process design. Background technique [0002] In casting technology, ductile iron and steel castings have a large tendency to shrink and porosity, and chill iron and risers are generally required for key parts and hot spots to improve the filling and cooling process of castings and reduce shrinkage and shrinkage cavities. In order to make the cold iron achieve the expected ideal effect, its placement is very important. [0003] In the prior art, magnets are generally used to position the cold iron, but this method is only applicable to metal molds and the cold iron is light in weight. However, for heavier cold iron or wooden molds, the lack of magnetic force will cause the cold iron to shift or cannot be...

Claims

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Application Information

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IPC IPC(8): B22D27/04B22C9/02
CPCB22C9/02B22D27/04
Inventor 宋亮
Owner KOCEL EQUIP
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