Low-temperature mold surface treatment technology

A surface treatment and mold technology, applied in the field of low-temperature mold surface treatment, can solve the problems of mold body shape change, mold scrapping, and size change, and achieve the effect of preventing shape change, facilitating heating work, and increasing temperature.

Inactive Publication Date: 2021-01-05
天津欧亚西斯金属制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing mold coating needs to be processed in an extremely high temperature environment, which will easily cause the mold body to change shape and size, and easily lead to the scrapping of the mold. Therefore, a device is urgently needed to solve the above problems.

Method used

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  • Low-temperature mold surface treatment technology

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Embodiment 1

[0026] see figure 1 , the present invention provides a technical solution: a low-temperature mold surface treatment technology, specifically comprising the following steps:

[0027] The first step, pretreatment: heat the mold to be processed to 90 degrees Celsius during treatment, and then rinse the heated mold to be processed with an alkaline liquid of the same temperature for 3 minutes to initially soften the oil stains, and then place the mold to be processed Soak in the lye at the corresponding temperature for 1 hour, take out the template to be processed and rinse it in 90 degrees Celsius water for 3 minutes to remove oil, repeat soaking and rinsing several times, and finally soak it in 40 degrees Celsius water for 10 minutes, and use it again at room temperature Rinse with clean water for 5 minutes, so as to completely remove the oil stain on the outer surface of the mold, facilitate the application of the coating on the outer side of the mold, and reduce the temperature...

Embodiment 2

[0034] see figure 1 , the present invention provides a technical solution: a low-temperature mold surface treatment technology, specifically comprising the following steps:

[0035] The first step, pretreatment: heat the mold to be processed to 110 degrees Celsius during treatment, and then rinse the heated mold to be processed with an alkaline liquid of the same temperature for 4 minutes to initially soften the oil stains, and then wash the mold to be processed Soak in the lye at the corresponding temperature for 1.5 hours, take out the template to be processed and rinse it in 95 degrees Celsius water for 4 minutes to remove oil, repeat soaking and rinsing several times, and finally soak it in 45 degrees Celsius water for 10 minutes, and use it again at room temperature Rinse with clean water for 8 minutes, so as to completely remove the oil stain on the outer surface of the mold, facilitate the application of the coating on the outer side of the mold, and reduce the temperat...

Embodiment 3

[0042] see figure 1 , the present invention provides a technical solution: a low-temperature mold surface treatment technology, specifically comprising the following steps:

[0043] The first step, pretreatment: heat the mold to be processed to 130 degrees Celsius during treatment, and then rinse the heated mold to be processed with an alkaline liquid of the same temperature for 5 minutes to initially soften the oil stains, and then place the mold to be processed Soak in the lye at the corresponding temperature for 2 hours, take out the template to be processed and rinse it in 100 degrees Celsius water for 5 minutes to remove oil, repeat soaking and rinsing several times, and finally soak it in 50 degrees Celsius water for 10 minutes, and use it again at room temperature Rinse with clean water for 10 minutes, so as to completely remove the oil stain on the outer surface of the mold, facilitate the application of the coating on the outer side of the mold, and at the same time r...

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Abstract

The invention discloses a low-temperature mold surface treatment technology. The technology specifically comprises the following steps of step 1, pretreatment, and specifically, heating a to-be-machined mold to 90 DEG C-130 DEG C during treatment, and then spraying the heated to-be-machined mold with alkaline liquid with the same temperature for 35 minutes to preliminarily soften oil stains; and step 2, soaking the to-be-machined mold in the alkali liquid at corresponding temperature for 1-2 hours, taking out the to-be-machined mold, spraying the to-be-machined mold in clear water at 90 DEG C-100 DEG C for 3-5 minutes, removing the oil stains, repeatedly soaking and flushing for several times, and finally soaking the mold in the clear water at 40 DEG C-50 DEG C for 10 minutes. According tothe low-temperature mold surface treatment technology, a low-voltage and high-current arc discharge technology is adopted, gas discharge is utilized to evaporate a coating material and ionize evaporated substances and gas, and the evaporated substances and reaction products thereof are deposited on the to-be-machined mold under acceleration action of an electric field, so that the phenomena of shape change and size change of the to-be-machined mold in a high-temperature environment are prevented.

Description

technical field [0001] The invention relates to the field of mold processing equipment, in particular to a low-temperature mold surface treatment technology. Background technique [0002] At present, TD coating treatment is the abbreviation of thermal diffusion carbide coating treatment; because this technology was first developed and patented by Toyota Central Research Institute in Japan; it is also called molten salt infiltration metal in my country; no matter what its name is, its principle The workpiece is placed in the molten borax mixture, and the metal carbide coating is formed on the surface of the workpiece through high-temperature diffusion. The carbide coating can be carbide of vanadium, niobium, chromium, tantalum, titanium, etc., or other Composite carbide, of which the most widely used is vanadium carbide coating; a large number of practices have proved that TD coating treatment of vanadium carbide coating is one of the most economical and effective methods to so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/18C23C8/38C23C14/32C23G1/19
CPCC21D1/18C23C8/38C23C14/325C23G1/19
Inventor 黄先锋陈杰
Owner 天津欧亚西斯金属制品有限公司
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