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Mold for measuring temperature in casting process and production method of mold

A mold and mold shell technology, used in thermometers, measuring devices, manufacturing tools, etc., can solve problems such as inconsistent results, and achieve accurate temperature measurement and accurate positioning.

Active Publication Date: 2015-03-25
CHINA HANGFA SOUTH IND CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the high temperature, vacuum and other environments in the casting process, the accurate measurement of actual temperature data has always been a difficult problem to solve. The boundary conditions set in the simulation usually need to be calculated based on experience, which easily leads to the result of the simulation calculation and the actual production. The results do not match

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  • Mold for measuring temperature in casting process and production method of mold
  • Mold for measuring temperature in casting process and production method of mold

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Embodiment Construction

[0015] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings. Wherein, the same parts adopt the same reference numerals.

[0016] figure 1 It is a schematic diagram of the manufacturing principle of a mold for measuring temperature during casting according to a specific embodiment of the present invention; figure 2 for figure 1 A schematic diagram of the structure of the mold is shown. see figure 1 , 2 Shown, the present invention provides a kind of manufacturing method of the mold that is used for measuring temperature in casting process, and it is provided with thermocouple (not shown in the figure) that can directly contact mold cavity 10 on mold shell 1 Quartz tube 2 is used to realize accurate temperature measurement in the part casting process, which includes the following steps, ...

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Abstract

The invention provides a production method of a mold for measuring the temperature in a casting process. The production method comprises the following steps: step A, producing a wax mold of a part, and welding a wax rod on a temperature measuring point of the wax mold; step B, preparing a mold shell by using the wax mold in the step A; and step C, after carrying out de-waxing treatment on the mold shell of the step B, putting a quartz tube into a pipeline, and filing a gap between the quartz tube and the pipeline with fireproof cotton, fireproof sand, and a mixture of shell producing slurry and the fireproof sand in sequence from inside to outside, and drying the mixture of the shell producing slurry and the fireproof sand on the outermost layer so as to produce the mold. By virtue of the production method of the mold for measuring the temperature in the casting process, the mold for measuring the temperature of the part and any part of the mold shell in the casting process can be produced, and the positioning of the measuring point is accurate and the temperature measurement is accurate. The invention further provides the mold produced by adopting the method.

Description

technical field [0001] The invention relates to the field of casting, in particular to a mold for measuring the temperature of a mold shell and metal in a precision casting process, and the invention also provides a manufacturing method of the mold. Background technique [0002] Since the 1990s, the emergence of a large number of commercial casting process numerical simulation software at home and abroad indicates that the simulation technology has gradually matured and entered the practical stage. Casting simulation is to use software to simulate the entire pouring and alloy solidification process, predict the location and degree of possible defects, so as to guide the actual casting production and save the cost of actual process testing. However, the accuracy of the simulation depends on the set boundary conditions, and the boundary conditions need to be calculated by measuring the temperature changes of the mold shell and alloy during the casting process. Due to the high...

Claims

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Application Information

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IPC IPC(8): B22C9/02G01K7/02
Inventor 胡啸郝新赵辉周坚罗怀智唐华
Owner CHINA HANGFA SOUTH IND CO LTD
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