CN1900334A - High temperature resistant anti-corrosion disc-shaped spring - Google Patents
High temperature resistant anti-corrosion disc-shaped spring Download PDFInfo
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- CN1900334A CN1900334A CN 200510027828 CN200510027828A CN1900334A CN 1900334 A CN1900334 A CN 1900334A CN 200510027828 CN200510027828 CN 200510027828 CN 200510027828 A CN200510027828 A CN 200510027828A CN 1900334 A CN1900334 A CN 1900334A
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Abstract
The present invention relates to a kind of high temperature resistant anticorrosive disc spring, which is made with material comprising C, Si, Mn, Cr, Ni, Ti, Al, W, Mo, Nb, Fe and Cu. The making process includes the steps of: compounding material, smelting in vacuum high temperature furnace, ageing to form nickel base alloy material; punching, grinding, turning to form, heat treatment, shot blasting, pressing, and final surface treatment to obtain the high temperature resistant anticorrosive disc spring. The disc spring is used in avoiding loosing of screw to prevent leakage.
Description
Technical field
The present invention relates to a kind of high temperature resistant anti-corrosion disc-shaped spring, can be used for industries such as military project, petrochemical industry, iron and steel, metallurgy, boats and ships.Be applied to the bolt pretension of flange on the integrated automatic control system of electric liquid, snubber assembly, reactor, agitator, the interchanger and pipeline flange, high pressure valve flange, belong to the disk spring technical field.
Background technology
Disk spring is called for short the dish spring, and its common metal steel band, steel plate or forging blank machine-shaping are a kind of conical helical springs that rigidity is big, have the change stiffness characteristics.Different according to its cross section and shape mainly are divided into common disk spring, trapezoid cross section disk spring, taper trapezoid cross section disk spring.At present, domestic a large amount of uses is common disk spring.
Making common disk spring common used material is spring steel such as 60Si2MnA, 50CrVA, and complete processing is: moulding-quenching-tempering-light adorn-is suppressed processing-surface treatment.Its main drawback is not have antirust, corrosion protection, characteristic such as antimagnetic, heat-resisting.
All compensation bolts are the common disk spring that adopts common material to make at present, owing to expanded with heat and contract with cold, various effects such as high temperature, corrosion, can produce early failure phenomena, make equipment such as the reactor that adopts this type of spring to seal, agitator, interchanger produce serious the leakage as locking pad, country is caused great financial loss, cause certain harm for the area and the people of periphery.
Summary of the invention
The objective of the invention is to invent and a kind ofly can effectively prevent the lax of bolt pretightening, stop the high temperature resistant anti-corrosion disc-shaped spring that incident of leakage takes place.
For realizing above purpose, technical scheme of the present invention provides a kind of high temperature resistant anti-corrosion disc-shaped spring, it is characterized in that, adopts nickel-base alloy as material, and it is made by following materials of weight proportions:
Carbon (C) 0%-0.075%
Silicon (Si) 0%-0.45%
Manganese (Mn) 0%-0.9%
Chromium (Cr) 14%-17%
Nickel (Ni) 68.4%-77.65%
Titanium (Ti) 2.25%-2.6%
Aluminium (Al) 0.4%-1.0%
Tungsten (W) 0%-0.05%
Molybdenum (Mo) 0%-0.05%
Niobium (Nb) 0.7%-1.2%
Iron (Fe) 5.0%-8.0%
Copper (Cu) 0%-0.5%.
A kind of manufacturing process of high temperature resistant anti-corrosion disc-shaped spring is characterized in that, its technology is:
1. at first make the high temperature resistant anti-corrosion disc-shaped spring material:
The first step. preparation raw material, blank is made in melting in smelting furnace, smelting temperature: 1700-1900 ℃;
Second step. raw material is put into the high-temperature vacuum furnace solid solution, and solid solubility temperature is 1200 ℃-1250 ℃;
The 3rd step. ageing treatment: temperature is 600 ℃-700 ℃, and the time is 1-3 hour, makes nickel-base alloy as material;
2. make high temperature resistant anti-corrosion disc-shaped spring then:
The first step. punching press: adopt composite mold punching out disk spring blank;
Second step. grinding: disk spring blank surface tolerance, oxidation and decarbonization and roughness are through ground finish, and process redundancy is monolateral to be 0.2-0.5mm;
The 3rd step. turning: the process redundancy of turning disk spring blank is 2-4mm;
The 4th step. moulding: on pressing machine, adopt moulding mould special to carry out forming processes;
The 5th step. thermal treatment: carry out annealing, normalizing, quenching, the tempered technology of high temperature resistant anti-corrosion disc-shaped spring, HRC requires between 45-48;
The 6th step. ball blast: with shot-blasting machine the disk spring inner conical surface is carried out throwing pill strengthening and handle;
The 7th step. suppress: with oil press disk spring is carried out low temperature and suppress processing, temperature is 100 ℃-300 ℃;
The 8th step. surface treatment: use up the decorations bobbing machine high temperature resistant anti-corrosion disc-shaped spring is carried out the surface-brightening processing.
The present invention adopts nickel base superalloy, mainly with Al, Ti, the disk spring that the Ni-Cr-Fe that the Nb reinforcement is made divides alloy material to make, in the scope of use temperature-196 ℃-650 ℃, its intensity, elasticity and plasticity are better than common disk spring greatly, has good anticorrosive and oxidation resistant performance below 816 ℃, has very strong resistance to corrosion and very high stability at tropical maritime climate or in corrosive medium, good creep-resistant property is also arranged simultaneously, the harm of mechanical vibration can be dropped to minimum, thereby guarantee that bolt can not relax under high temperature and low-temperature condition, at high temperature can keep original intensity, make sealing effectively lasting, this material is ability very low temperature also, can reach-253 ℃.
Advantage of the present invention is can effectively prevent bolt pretightening lax, stops incident of leakage and takes place.
Embodiment
The invention will be further described below in conjunction with embodiment.
Embodiment 1,2 and 3
Proportioning 1-3 (weight %)
| Material name | Proportioning 1 | Proportioning 2 | Proportioning 3 |
| Carbon (C) | 0.0001 | 0.03 | 0.07 |
| Silicon (Si) | 0.0001 | 0.2 | 0.44 |
| Manganese (Mn) | 0.0001 | 0.4 | 0.8 |
| Chromium (Cr) | 14 | 15 | 17 |
| Nickel (Ni) | 77.6494 | 73.63 | 68.406 |
| Titanium (Ti) | 2.25 | 2.4 | 2.6 |
| Aluminium (Al) | 0.4 | 0.7 | 1 |
| Tungsten (W) | 0.0001 | 0.02 | 0.04 |
| Molybdenum (Mo) | 0.0001 | 0.02 | 0.04 |
| Niobium (Nb) | 0.7 | 1 | 1.2 |
| Iron (Fe) | 5 | 6.5 | 8 |
| Copper (Cu) | 0.0001 | 0.1 | 0.4 |
Its manufacturing process is:
1. at first make the high temperature resistant anti-corrosion disc-shaped spring material:
The first step. preparation raw material, blank is made in melting in smelting furnace, smelting temperature: 1800 ℃;
Second step. raw material is put into the high-temperature vacuum furnace solid solution, and solid solubility temperature is 1220 ℃;
The 3rd step. ageing treatment: temperature is 650 ℃, and the time is 2 hours, makes nickel-base alloy as material;
2. make high temperature resistant anti-corrosion disc-shaped spring then:
The first step. punching press: adopt composite mold punching out disk spring blank;
Second step. grinding: disk spring blank surface tolerance, oxidation and decarbonization and roughness all can not satisfy the technical requirements of disk spring, thus must be through ground finish, process redundancy is monolateral to be 0.2-0.5mm;
The 3rd step. turning: the process redundancy of turning disk spring blank is 2-4mm;
The 4th step. moulding: on pressing machine, adopt moulding mould special to carry out forming processes;
The 5th step. thermal treatment: carry out annealing, normalizing, quenching, the tempered technology of high temperature resistant anti-corrosion disc-shaped spring, HRC requires between 45-48;
The 6th step. ball blast: the disk spring application shot-blasting machine before suppressing processing that bears time dependent loading carries out throwing pill strengthening at inner conical surface to be handled;
The 7th step. suppress: be to eliminate the high temperature resistant anti-corrosion disc-shaped spring draw, with oil press the shape spring is wriggled and carry out low temperature and suppress processing, temperature is 200 ℃;
The 8th step. surface treatment: with the light bobbing machine disk spring is carried out surface-brightening at last and handle.
To embodiment 1,2,3 resulting high temperature resistant anti-corrosion disc-shaped springs and traditional disk spring performance comparison table:
Claims (2)
1. a high temperature resistant anti-corrosion disc-shaped spring is characterized in that, adopts nickel-base alloy as material, and it is made by following materials of weight proportions:
Carbon (C) 0%-0.075%
Silicon (Si) 0%-0.45%
Manganese (Mn) 0%-0.9%
Chromium (Cr) 14%-17%
Nickel (Ni) 68.4%-77.65%
Titanium (Ti) 2.25%-2.6%
Aluminium (Al) 0.4%-1.0%
Tungsten (W) 0%-0.05%
Molybdenum (Mo) 0%-0.05%
Niobium (Nb) 0.7%-1.2%
Iron (Fe) 5.0%-8.0%
Copper (Cu) 0%-0.5%.
2. the manufacturing process of a high temperature resistant anti-corrosion disc-shaped spring is characterized in that, its technology is:
2.1 at first make the high temperature resistant anti-corrosion disc-shaped spring material:
The first step. preparation raw material, blank is made in melting in smelting furnace, smelting temperature: 1700-1900 ℃;
Second step. raw material is put into the high-temperature vacuum furnace solid solution, and solid solubility temperature is 1200 ℃-1250 ℃;
The 3rd step. ageing treatment: temperature is 600 ℃-700 ℃, and the time is 1-3 hour, makes nickel-base alloy as material;
2.2 make high temperature resistant anti-corrosion disc-shaped spring then:
The first step. punching press: adopt composite mold punching out disk spring blank;
Second step. grinding: disk spring blank surface tolerance, oxidation and decarbonization and roughness are through ground finish, and process redundancy is monolateral to be 0.2-0.5mm;
The 3rd step. turning: the process redundancy of turning disk spring blank is 2-4mm;
The 4th step. moulding: on pressing machine, adopt moulding mould special to carry out forming processes;
The 5th step. thermal treatment: carry out annealing, normalizing, quenching, the tempered technology of high temperature resistant anti-corrosion disc-shaped spring, HRC requires between 45-48;
The 6th step. ball blast: with shot-blasting machine the disk spring inner conical surface is carried out throwing pill strengthening and handle;
The 7th step. suppress: with oil press disk spring is carried out low temperature and suppress processing, temperature is 100 ℃-300 ℃;
The 8th step. surface treatment: use up the decorations bobbing machine high temperature resistant anti-corrosion disc-shaped spring is carried out the surface-brightening processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510027828 CN1900334A (en) | 2005-07-19 | 2005-07-19 | High temperature resistant anti-corrosion disc-shaped spring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510027828 CN1900334A (en) | 2005-07-19 | 2005-07-19 | High temperature resistant anti-corrosion disc-shaped spring |
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| CN1900334A true CN1900334A (en) | 2007-01-24 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260487B (en) * | 2008-04-17 | 2010-06-02 | 攀钢集团攀枝花钢铁研究院有限公司 | Spray coating material prepared by titanium-containing high-chromium-nickel alloy, preparation method and use thereof |
| CN102489943A (en) * | 2011-11-28 | 2012-06-13 | 贵州红林机械有限公司 | Method for manufacturing waved springs |
| CN101929517B (en) * | 2009-06-22 | 2013-06-05 | 上海核工碟形弹簧制造有限公司 | Damping device with disk spring assembly structure |
| CN103470668A (en) * | 2012-06-08 | 2013-12-25 | 中国核动力研究设计院 | Compound annular spring with large compensation rate |
| CN104404219A (en) * | 2014-11-06 | 2015-03-11 | 无锡市百顺机械厂 | Spring heat treatment method |
| CN104451080A (en) * | 2014-11-06 | 2015-03-25 | 无锡市百顺机械厂 | Treatment method of preventing loosening of spring |
| CN104668907A (en) * | 2015-01-30 | 2015-06-03 | 南通弘峰机电有限公司 | Machining process for large spring pieces |
| CN106148766A (en) * | 2015-04-27 | 2016-11-23 | 九格能源科技（天津）有限公司 | A kind of high temperature resistant spring |
| CN106513457A (en) * | 2016-11-09 | 2017-03-22 | 宝钛集团有限公司 | Preparation method for near-beta titanium alloy disc spring |
| CN110358893A (en) * | 2019-07-25 | 2019-10-22 | 诸暨市裕荣弹簧有限公司 | A kind of preparation process of scroll spring |
| CN113913600A (en) * | 2021-04-12 | 2022-01-11 | 河南北方红阳机电有限公司 | Heat treatment process method for D50Re material penetration type shell |
| CN114346606A (en) * | 2021-12-31 | 2022-04-15 | 江苏三众弹性技术股份有限公司 | Disc-shaped wave spring and manufacturing process thereof |
-
2005
- 2005-07-19 CN CN 200510027828 patent/CN1900334A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260487B (en) * | 2008-04-17 | 2010-06-02 | 攀钢集团攀枝花钢铁研究院有限公司 | Spray coating material prepared by titanium-containing high-chromium-nickel alloy, preparation method and use thereof |
| CN101929517B (en) * | 2009-06-22 | 2013-06-05 | 上海核工碟形弹簧制造有限公司 | Damping device with disk spring assembly structure |
| CN102489943A (en) * | 2011-11-28 | 2012-06-13 | 贵州红林机械有限公司 | Method for manufacturing waved springs |
| CN103470668A (en) * | 2012-06-08 | 2013-12-25 | 中国核动力研究设计院 | Compound annular spring with large compensation rate |
| CN104404219A (en) * | 2014-11-06 | 2015-03-11 | 无锡市百顺机械厂 | Spring heat treatment method |
| CN104451080A (en) * | 2014-11-06 | 2015-03-25 | 无锡市百顺机械厂 | Treatment method of preventing loosening of spring |
| CN104668907A (en) * | 2015-01-30 | 2015-06-03 | 南通弘峰机电有限公司 | Machining process for large spring pieces |
| CN106148766A (en) * | 2015-04-27 | 2016-11-23 | 九格能源科技（天津）有限公司 | A kind of high temperature resistant spring |
| CN106513457A (en) * | 2016-11-09 | 2017-03-22 | 宝钛集团有限公司 | Preparation method for near-beta titanium alloy disc spring |
| CN110358893A (en) * | 2019-07-25 | 2019-10-22 | 诸暨市裕荣弹簧有限公司 | A kind of preparation process of scroll spring |
| CN113913600A (en) * | 2021-04-12 | 2022-01-11 | 河南北方红阳机电有限公司 | Heat treatment process method for D50Re material penetration type shell |
| CN114346606A (en) * | 2021-12-31 | 2022-04-15 | 江苏三众弹性技术股份有限公司 | Disc-shaped wave spring and manufacturing process thereof |
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