CN101935813A - Heat treatment method of upper and lower dies of die - Google Patents
Heat treatment method of upper and lower dies of die Download PDFInfo
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- CN101935813A CN101935813A CN 201010247728 CN201010247728A CN101935813A CN 101935813 A CN101935813 A CN 101935813A CN 201010247728 CN201010247728 CN 201010247728 CN 201010247728 A CN201010247728 A CN 201010247728A CN 101935813 A CN101935813 A CN 101935813A
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- die
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- treatment method
- lower mould
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Abstract
The invention discloses a heat treatment method of upper and lower dies of a die, relating to the field of die production and processing technologies and solving the problems that the traditional die can deform frequently and influence the quality of processed workpieces. The heat treatment method of upper and lower dies of a die is characterized by comprising the following steps of: delivering the upper and the lower die blanks of a cutting die into a heat treatment furnace, raising temperature gradually, heating for 0.5h in the heat treatment range from 850 DEG C to 950 DEG C; and then, stopping heating, taking out, air-cooling, and tempering for 3h at 700 DEG C so that the hardness of the upper and the lower die blanks of the die reaches 25-28 degrees. The hardness of the upper and the lower die blanks of the die is suitable to be used as the upper die and the lower die of the die, can resist deformation or wear and ensure long service life. In addition, workpieces produced by the die with the upper die and the lower die subjected to the heat treatment method have high quality. The heat treatment method has the advantages of simple method and evident effect and is suitable for promotion and application.
Description
Technical field: the present invention relates to the process for processing technical field of mould, particularly the heat treatment technics field of mould.
Background technology: in existing die production process, general mould is not through what thermal treatment; Even thermal treatment is arranged, the also general because heat treated key point that is not sure, and make mould be easy to generate distortion or influence the quality of workpiece.
Summary of the invention: technical problem to be solved by this invention provides the upper and lower mould heat treating method of the high mould of a kind of upper and lower mould workpiece quality not yielding, that produced that can overcome above-mentioned defective, mould.Solve this technical problem the technical scheme that is adopted: the upper and lower mould heat treating method of mould, it is characterized in that upper and lower mould base with the mould of cutting stock, send in the heat treatment furnace, through progressively heating up, in 850 ℃ to 950 ℃ heat-treatment temperature range, heated 0.5 hour, afterwards, stop heating, after the taking-up wind cooling, with 700 ℃ of tempering 3 hours, make the hardness of the upper and lower mould base of mould reach 25 degree to 28 degree; Described thermal treatment temp the best is 945 ℃; The hardness optimal of the upper and lower mould base of described mould is 27 degree.The present invention compared with prior art has following beneficial effect: 1. the upper and lower mould base of mould of the present invention is after Overheating Treatment, and hardness reaches 25 degree to 28 degree, be suitable for using as the upper and lower mould of mould, and not yielding or wearing and tearing, long service life; 2. the mould that increases the weight of to produce with the upper and lower mould base of this mould, the workpiece quality height that process for processing is come out, yield rate is guaranteed, and manufacturing enterprise removes maintenance or lead-time and economic attrition from.
Embodiment: now elaborate embodiments of the invention.The upper and lower mould heat treating method of mould of the present invention, it is characterized in that the upper and lower mould base of the mould of cutting stock is sent in the heat treatment furnace, through progressively heating up, in 850 ℃ to 950 ℃ heat-treatment temperature range, heated 0.5 hour, and afterwards, stopped heating, after taking out the wind cooling, with 700 ℃ of tempering 3 hours, progressively cooling in the heat treatment furnace, the upper and lower mould base naturally cooling of mould.After measured, the hardness of the upper and lower mould base of mould reaches 25 degree to 28 degree.Thermal treatment temp the best of the upper and lower mould base of mould is 945 ℃; Hardness optimal is 27 degree.The upper and lower mould base of the mould of this hardness is suitable for using as the upper and lower mould of mould, and not yielding or wearing and tearing, long service life; With the mould that the upper and lower mould base of this mould increases the weight of to produce, the workpiece quality height that process for processing is come out, yield rate is guaranteed, and manufacturing enterprise removes maintenance or lead-time and economic attrition from.The inventive method is simple, and effect is obvious, is suitable for applying.
Claims (3)
1. the upper and lower mould heat treating method of mould, it is characterized in that upper and lower mould base with the mould of cutting stock, send in the heat treatment furnace, through progressively heating up, in 850 ℃ to 950 ℃ heat-treatment temperature range, heated 0.5 hour, afterwards, stop heating, after the taking-up wind cooling, with 700 ℃ of tempering 3 hours, make the hardness of the upper and lower mould base of mould reach 25 degree to 28 degree.
2. the upper and lower mould heat treating method of mould according to claim 1 is characterized in that described thermal treatment temp the best is 945 ℃.
3. the upper and lower mould heat treating method of mould according to claim 1, the hardness optimal that it is characterized in that the upper and lower mould base of described mould are 27 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010247728 CN101935813A (en) | 2010-07-31 | 2010-07-31 | Heat treatment method of upper and lower dies of die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010247728 CN101935813A (en) | 2010-07-31 | 2010-07-31 | Heat treatment method of upper and lower dies of die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101935813A true CN101935813A (en) | 2011-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010247728 Pending CN101935813A (en) | 2010-07-31 | 2010-07-31 | Heat treatment method of upper and lower dies of die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101935813A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059375A (en) * | 1990-08-30 | 1992-03-11 | 天津大学 | The hot-work die highly malleablized is handled |
| CN1511969A (en) * | 2002-11-06 | 2004-07-14 | 大同特殊钢株式会社 | Alloy tool steel and its producing method and mold using it |
| CN1824822A (en) * | 2006-01-25 | 2006-08-30 | 周向儒 | Die steel and heat treatment technique thereof |
-
2010
- 2010-07-31 CN CN 201010247728 patent/CN101935813A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059375A (en) * | 1990-08-30 | 1992-03-11 | 天津大学 | The hot-work die highly malleablized is handled |
| CN1511969A (en) * | 2002-11-06 | 2004-07-14 | 大同特殊钢株式会社 | Alloy tool steel and its producing method and mold using it |
| CN1824822A (en) * | 2006-01-25 | 2006-08-30 | 周向儒 | Die steel and heat treatment technique thereof |
Non-Patent Citations (1)
| Title |
|---|
| 《铸造技术》 20090831 张蜀红 新型模具材料3Cr17NiMo热处理性能研究 第1047-1049页 1-3 第30卷, 第8期 2 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20110105 |