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A kind of high temperature lubricating oil for dc casting of aluminum alloy

A technology for lubricating oil and aluminum alloy, applied in the field of aluminum alloy casting, can solve the problems of destroying the use effect of lubricating oil, lubricating oil evaporation, carbon deposition and coking, etc., to achieve excellent high temperature stability, prolong life, and eliminate cleaning problems.

Active Publication Date: 2017-08-18
ANLU PHOENIX ALUMINUM LIMITED LIABILITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The lubricating oils currently used include castor oil, peanut oil, industrial lard, graphite powder, etc. The temperature of the aluminum liquid in the crystallizer is 670-700 degrees, and carbon deposition and coking are prone to occur at high temperatures, and the oily smoke is large and easy to burn There are problems such as evaporation of lubricating oil and large consumption, which destroys the use effect of lubricating oil and has a great impact on lubricating effect and working environment.

Method used

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  • A kind of high temperature lubricating oil for dc casting of aluminum alloy

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Experimental program
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Effect test

Embodiment

[0022] According to experiments, castor oil, saponified oil, and crude rapeseed oil are calculated according to five groups of weight proportions, and after refining and melting, the resulting mixed oil has lubricating effect. As shown in the following table:

[0023]

[0024] It is refined according to five groups of ratios. It needs to be used according to the ambient temperature. When adding diesel oil to high-temperature lubricating oil for dilution in summer, the lower limit of diesel oil should be used: the weight ratio of high-temperature lubricating oil to diesel oil is 1: 0.3 Dilution, take the upper limit in winter: the weight ratio of high-temperature lubricating oil and diesel oil is 1: 0.5 for dilution.

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Abstract

The invention discloses a high-temperature lubricating oil for aluminum alloy DC casting. Sesame oil 20~35%, saponified oil 40~50%, crude vegetable oil 20~35%; mix the above components thoroughly, heat at 300~400 degrees, keep for 3~5 hours, filter and cool to make high temperature lubricating oil, And seal it for storage; before use, add high-temperature lubricating oil to diesel to dilute and stir evenly. The weight ratio of high-temperature lubricating oil and diesel is 1:0.3-0.5. During the casting process, lubricating oil is added to the crystallizer. During the crystallization process of aluminum liquid, there is no fouling, no peculiar smell, little oil fume, and is not easy to burn. It has a good use effect and improves the surface quality of aluminum alloy hollow tube blank castings.

Description

technical field [0001] The invention belongs to the field of aluminum alloy casting, is applied to the casting of aluminum alloy hollow tube blanks, and is suitable for the production of a vertical shaft water-cooled casting method (DC method), and in particular relates to a high-temperature lubricating oil for aluminum alloy DC casting. Background technique [0002] The casting of aluminum alloy hollow tube blanks still mainly adopts the vertical shaft water-cooled casting method (DC method), and the ingot is pulled out in a vertical direction during casting. The aluminum melt is poured into the crystallizer along the launder and the flow plate, the aluminum melt contacts the inner wall of the crystallizer, and is subjected to the primary water cooling effect of the crystallizer cooling water jacket, and begins to crystallize to form a solid shell, which is surrounded by unsolidified The melt, when it is pulled down and out of the crystallizer, is immediately cooled by the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M109/00C10M111/06B22D11/07
Inventor 何晓利马明祥
Owner ANLU PHOENIX ALUMINUM LIMITED LIABILITY
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