A method for removing mold aluminum flying skin
A mold and flying skin technology, which is applied in the field of casting aluminum alloys, can solve the problems that the casting process cannot be carried out normally, aluminum flying skins are not cleaned cleanly, and affect the life of the mold, etc., and achieve the effects of shortening cleaning time, non-destructive cleaning, and reducing cleaning costs
Active Publication Date: 2020-08-11
重庆虎溪电机工业有限责任公司
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Problems solved by technology
This method is easy to damage the mold and affect the life of the mold, and there may be a problem that the removal of aluminum flying skin is not clean; when the mold is damaged due to the removal of flying skin, it will directly affect the surface quality of the casting. If the damage is serious, it will affect the normal detachment of the casting. die and re-block the vent slots, causing its casting process to fail
Method used
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Embodiment 1
[0037] A method for removing mold aluminum flying skin, the method adopts a device comprising a container 1, a fixing seat 2, a screw rod 3 and a mold core 4.
[0038] The container 1 is a container with an open top.
[0039] Such as figure 1 As shown, in the present embodiment, the container 1 is a structure welded by 1mm thick stainless steel plate, the section of the container 1 is conical, the height of the conical is 235mm, and the diameter of the top surface is It is φ226mm, and the bottom diameter is φ160mm.
[0040] A fixing seat 2 is installed at the center of the bottom surface of the inner cavity of the container 1 .
[0041] The fixing base 2 is a whole including three parts: a base 201 , a supporting base 202 and a limiting base 203 .
[0042] The base 201 is fixedly installed on the bottom surface of the container 1 .
[0043] The supporting seat 202 is installed at the center of the top surface of the base 201 . The size of the support base 202 is smaller t...
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Abstract
The invention discloses a mold aluminum burr removal method. The mold aluminum burr removal method is characterized by comprising the following steps that 1, a container, a fixing seat, a screw and amold core are subjected to preheat treatment, wherein, in the preheat treatment process, the temperature is 50 DEG C, and heat preservation lasts for 30 min; 2, sodium hydroxide is added into deionized water, after uniform stirring, and a sodium hydroxide solution is obtained, wherein, the mass concentration of the sodium hydroxide solution is 35%; 3, the sodium hydroxide solution prepared in thestep 2 is added into the container and subjected to heating treatment, wherein, the heating temperature is 45 DEG C; 4, the fixing seat is installed in the container, and then the mold core and the screw are installed; 5, the solution at the inner circle and the outer circle of the mold core is stirred for 20 s through a steel strip every 3 min; and 6, when it is observed that the solution in thecontainer is free of bubbling phenomenon, the mold core, the fixing seat and the screw are taken out and cleaned.
Description
technical field [0001] The invention relates to the field of casting aluminum alloys, in particular to a method for removing mold aluminum flying skin. Background technique [0002] Now, cast aluminum alloy castings are widely used in all walks of life and are in great demand. And a casting aluminum alloy casting just can't do without the metal mold casting mold to mass-produce. Some metal mold casting molds (hereinafter referred to as molds) need to set exhaust grooves in the core and cavity (integral type) due to high molding quality requirements. During the casting process, the exhaust groove will inevitably be blocked, which will affect the quality of the casting. [0003] In order to solve the clogging problem of the exhaust groove, physical processing methods are generally used to remove the aluminum flying skin of the mold exhaust groove. This method is easy to damage the mold and affect the life of the mold, and there may be a problem that the removal of aluminum ...
Claims
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IPC IPC(8): B22C9/12B22C9/06C23G1/14C23G3/00
CPCB22C9/06B22C9/12C23G1/14C23G3/00
Inventor 龚增勇郑龙胡蓉邓世刚石浩
Owner 重庆虎溪电机工业有限责任公司