CN1616705A - Salt bath tuff-triding treatment for high speed steel (W6Mo5Cr4V2) slide vane (or vane) - Google Patents
Salt bath tuff-triding treatment for high speed steel (W6Mo5Cr4V2) slide vane (or vane) Download PDFInfo
- Publication number
- CN1616705A CN1616705A CN 200310108636 CN200310108636A CN1616705A CN 1616705 A CN1616705 A CN 1616705A CN 200310108636 CN200310108636 CN 200310108636 CN 200310108636 A CN200310108636 A CN 200310108636A CN 1616705 A CN1616705 A CN 1616705A
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- Prior art keywords
- minute
- salt bath
- water
- blade
- treatment
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- 150000003839 salts Chemical class 0.000 title claims abstract description 22
- 229910000997 High-speed steel Inorganic materials 0.000 title abstract 3
- 238000001816 cooling Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000005498 polishing Methods 0.000 claims abstract description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 5
- LIXWSNVLHFNXAJ-UHFFFAOYSA-N sodium;oxidoazaniumylidynemethane Chemical compound [Na+].[O-][N+]#[C-] LIXWSNVLHFNXAJ-UHFFFAOYSA-N 0.000 claims abstract description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000003350 kerosene Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000000356 contaminant Substances 0.000 claims description 3
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 abstract 2
- 238000002791 soaking Methods 0.000 abstract 2
- 239000003599 detergent Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 abstract 1
- 229910052808 lithium carbonate Inorganic materials 0.000 abstract 1
- 229910000027 potassium carbonate Inorganic materials 0.000 abstract 1
- 235000015320 potassium carbonate Nutrition 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 230000003245 working effect Effects 0.000 description 4
- 238000004381 surface treatment Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Chemical Treatment Of Metals (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The present invention relates to the salt bath tufftriding treatment of high speed steel slide vane or blade. The tufftriding treating liquid consists of: NaCNO 40-60 wt%, KCNO 5-15 wt%, Li2CO3 3-10 wt% and K2CO3 25-40 wt%. The salt bath tufftriding treatment of the high speed steel slide vane or blade with the tufftriding treating liquid includes the following steps: cleaning with aviation kerosene or alcohol; mounting vertically on proper steel wire net; pre-heating at 350-420 deg.c for 10-20 min; treating at 550-590 deeg.c for 15-60 min while introducing ammonia or compressed air; 100-160 deg.c hot oil cooling for 30-120 sec; water washing and cleaning for 5-10 min; eliminating oil via soaking in water containing detergent for 2-5 min and soaking in water for 1-2 min for cleaning; and polishing in a vibrating polishing machine for 40-80 min. The present invention can raise the antiwear performance and prolong the service life of slide vane or blade of compressor.
Description
Technical field
The present invention relates to a kind of salt bath processing, the salt bath tufftride of particularly a kind of rapid steel (W6Mo5Cr4V2) slide plate (or blade) is handled.
Background technology
Most important wear-resisting moving parts is compressor of air conditioner slide plate (or blade) in the parts of compressor of air conditioner at present, traditional compressor (fluorine-containing refrigerant, non-frequency, small power) slide plate need not carry out surface treatment, and its wear resistance and work-ing life can reach design requirements.But along with the environmental protection requirement pressure of the floride-free refrigerant (use), energy-saving and frequency-variable technology and large power air-conditioned a large amount of uses, its wear resistance of compressor sliding blade (or blade) strengthened without surface treatment and the design requirements that can not reach complete machine work-ing life.
Summary of the invention
The objective of the invention is to solve existing problem in the prior art, provide a kind of and can make its wear resistance of compressor sliding blade (or blade) and salt bath solution that increases substantially work-ing life and salt bath soft-nitriding treatment method.The present invention designs the tufftride of rapid steel (W6Mo5Cr4V2) slide plate (or blade) and handles salt bath solution, and it is characterized in that: be made up of following constituent and weight percent: NaCNO 40%---and 60%, KCNO5%---15%, Li
2CO
33%---10%, K
2CO
325%---40%, utilize the described tufftride of claim 1 to handle salt bath solution to rapid steel (W6Mo5Cr4V2) slide plate (or blade) treatment process, it is characterized in that forming: clean: with aviation kerosene or alcohol flush away surface and oil contaminant and foul by the following step, be installed: the woven wire of selecting different sizes according to different specification slide plates for use, stand up slide plate, forbid to keep flat, preheating: different and each treatment capacity various preheat temperature is 350-420 ℃ according to specification, time 10-20 minute, handle: treatment temp is 550 ℃-590 ℃, time 15-60 minute.Feed ammonia (flow 0.6-1.2 liter/minute .800-1200 kilogram salt bath) or pressurized air (flow flow 0.6-1.2 liter/minute .800-1200 kilogram salt bath) during processing, oil cooling: cooling oil must be heated to 100-160 ℃, the oil cooling time is 30-120 second, water-cooled: direct water-cooling and clean 5-10 minute (feed pressurized air stir) behind the oil cooling, the cleaning of deoiling: immerse deoil in the water that contains clean-out system 2-5 minute (feeding pressurized air stirs) after the water-cooled, clear water cleans: the back of deoiling is immersed in the clear water and cleaned 1-2 minute, polishing: the workpiece after cleaning was through vibrations polishing machine polishing 40-80 minute.Advantage of the present invention is can make its wear resistance of compressor sliding blade (or blade) and increase substantially work-ing life.
Below in conjunction with embodiment the present invention is elaborated,
Embodiment
The preparation tufftride is handled the salt bath solution double centner: get 55 kilograms of NaCNO, 10 kilograms of KCNO, Li
2CO
38 kilograms, K
2CO
327 kilograms, utilize tufftride to handle salt bath solution to rapid steel (W6Mo5Cr4V2) slide plate (or blade) treatment process, it is characterized in that forming: clean: with aviation kerosene or alcohol flush away surface and oil contaminant and foul by the following step.Be installed: select different big or small woven wires for use according to different specification slide plates, stand up slide plate, forbid to keep flat, preheating: different and each treatment capacity various preheat temperature is 350-420 ℃ according to specification, time 10-20 minute, handle: treatment temp was 550 ℃-590 ℃, time 15-60 minute.Feed ammonia (flow 0.6-1.2 liter/minute .800-1200 kilogram salt bath) or pressurized air (flow flow 0.6-1.2 liter/minute .800-1200 kilogram salt bath) during processing, oil cooling: cooling oil must be heated to 100-160 ℃, the oil cooling time is 30-120 second, water-cooled: direct water-cooling and clean 5-10 minute (feed pressurized air stir) behind the oil cooling, the cleaning of deoiling: immerse deoil in the water that contains clean-out system 2-5 minute (feeding pressurized air stirs) after the water-cooled, clear water cleans: the back of deoiling is immersed in the clear water and cleaned 1-2 minute, polishing: the workpiece after cleaning was through vibrations polishing machine polishing 40-80 minute.At present China's compressor of air conditioner turnout nearly 3,000 ten thousand account for 80% of world market, expansion day by day along with new cooling media technology and energy-saving and frequency-variable technology, and the putting teeth in of new cooling media after 2005, pass through the slide plate of surface treatment reinforcement and incite somebody to action gradually the slide plate that all replacements are not strengthened, has only 60% of import with the price of the production domesticization of comparing through the import slide plate of intensive treatment, only this item, will be the 2-3 hundred million that reduces cost of compressor producer every year, new output value is more than 500,000,000.
Certain 2YN47075 of compressor company limited slide plate, technical requirements is as follows:
| Bright layer | Reticular layer | Diffusion layer | Surface hardness | 30 μ hardness | Centre hardness |
| 2--3μ | More than 15 μ | HV 0.2More than 1000 | HV 0.2800 | ?HV 0.2700 |
Combination of compounds control is as follows:
NaCNO％＝45％，??????KCNO％＝14％，
Li
2CO
3％＝7％，????K
2CO
3％＝34％，
Process
1. preheating: 400 ℃ of preheating temperatures, 15 minutes time.
2. handle: treatment temp is 580 ℃, 26 minutes time.Feed ammonia (0.8 liter of/minute .1000 kilogram of flow salt bath) or pressurized air (0.8 liter of/minute .1000 kilogram of flow flow salt bath) during processing
3. oil cooling: cooling oil must be heated to 150 ℃, and the oil cooling time is 45 seconds.
Reach after the processing
| Bright layer | Reticular layer | Diffusion layer | Surface hardness | 30 μ hardness | Centre hardness |
| 3--5μ | More than 20 μ | HV 0.2More than 1100 | HV 0.2More than 850 | HV 0.2More than 700 |
Claims (2)
1, the tufftride of rapid steel (W6Mo5Cr4V2) slide plate (or blade) is handled salt bath solution, it is characterized in that: be made up of following constituent and weight percent:
NaCNO????????40％-60％，
KCNO?????????5％-15％，
Li
2CO
3????3％-10％，
K
2CO
3?????25％-40％。
2, utilize the described tufftride of claim 1 to handle salt bath solution, it is characterized in that forming by the following step to rapid steel (W6Mo5Cr4V2) slide plate (or blade) treatment process:
Clean: with aviation kerosene or alcohol flush away surface and oil contaminant and foul,
Be installed: select different big or small woven wires for use according to different specification slide plates, stand up slide plate, forbid to keep flat,
Preheating: different and each treatment capacity various preheat temperature is 350-420 ℃ according to specification, and time 10-20 minute,
Handle: treatment temp is 550 ℃-590 ℃, time 15-60 minute.Feed ammonia (flow 0.6-1.2 liter/minute .800-1200 kilogram salt bath) or pressurized air (flow flow 0.6-1.2 liter/minute 800-1200 kilogram salt bath) during processing,
Oil cooling: cooling oil must be heated to 100-160 ℃, and the oil cooling time is 30-120 second,
Water-cooled: direct water-cooling and clean 5-10 minute (feed pressurized air stir) behind the oil cooling,
The cleaning of deoiling: immerse deoil in the water that contains clean-out system 2-5 minute (feeding pressurized air stirs) after the water-cooled,
Clear water cleans: the back of deoiling is immersed in the clear water and was cleaned 1-2 minute,
Polishing: the workpiece after cleaning was through vibrations polishing machine polishing 40-80 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200310108636XA CN100386469C (en) | 2003-11-14 | 2003-11-14 | Salt bath tuff-triding treatment for high speed steel (W6Mo5Cr4V2) slide vane (or vane) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200310108636XA CN100386469C (en) | 2003-11-14 | 2003-11-14 | Salt bath tuff-triding treatment for high speed steel (W6Mo5Cr4V2) slide vane (or vane) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1616705A true CN1616705A (en) | 2005-05-18 |
| CN100386469C CN100386469C (en) | 2008-05-07 |
Family
ID=34758654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200310108636XA Expired - Lifetime CN100386469C (en) | 2003-11-14 | 2003-11-14 | Salt bath tuff-triding treatment for high speed steel (W6Mo5Cr4V2) slide vane (or vane) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100386469C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871087A (en) * | 2009-04-21 | 2010-10-27 | 上海江凯金属表面处理技术有限公司 | Salt bath formula for treating high-speed steel air conditioning compressor blade by salt bath nitriding treatment and treatment method |
| CN101906607A (en) * | 2009-06-04 | 2010-12-08 | 台州市百达制冷有限公司 | Liquid tufftriding method of 9Cr18 or 9Cr18Mo stainless steel slip sheet (or blade) |
| CN102994942A (en) * | 2012-12-16 | 2013-03-27 | 青岛森淼实业有限公司 | Nitriding method of slip sheets of compressor |
| CN103882370A (en) * | 2014-03-24 | 2014-06-25 | 合肥美桥汽车传动及底盘***有限公司 | 42CrMo or 40Cr steering knuckle nitrocarburizing treatment process |
| CN104087892A (en) * | 2014-06-11 | 2014-10-08 | 威海久威材料科技有限公司 | Technical method for die steel surface nonmetallic ion infiltration |
| CN107794493A (en) * | 2017-11-16 | 2018-03-13 | 昆山三民涂赖电子材料技术有限公司 | A kind of salt bath formula and its salt-bath nitriding method of low temperature salt-bath nitridation |
| CN113416918A (en) * | 2021-05-28 | 2021-09-21 | 昆山三民涂赖电子材料技术有限公司 | Nitrocarburizing process for extremely-thin parts |
| CN113416917A (en) * | 2021-05-24 | 2021-09-21 | 昆山三民涂赖电子材料技术有限公司 | Salt bath tufftride process of differential shell |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES437450A1 (en) * | 1974-05-17 | 1976-12-01 | Stephanois Rech Mec | Method of maintaining at very low values the content of cyanide in salt baths containing cyanates |
| CN1260475C (en) * | 2000-09-08 | 2006-06-21 | 上海日立电器有限公司 | Basic material of rotary blade for compressor and its matched lubricant |
| TW557330B (en) * | 2000-11-29 | 2003-10-11 | Parker Netsushori Kogyo Kk | Improved salt bath nitrogenating method for corrosion-resistant iron material and iron units |
| CN1166863C (en) * | 2001-08-03 | 2004-09-15 | 上海日立电器有限公司 | Mutually matched basic material of blade and lubricant for compressor |
-
2003
- 2003-11-14 CN CNB200310108636XA patent/CN100386469C/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871087A (en) * | 2009-04-21 | 2010-10-27 | 上海江凯金属表面处理技术有限公司 | Salt bath formula for treating high-speed steel air conditioning compressor blade by salt bath nitriding treatment and treatment method |
| CN101871087B (en) * | 2009-04-21 | 2013-02-13 | 上海江凯金属表面处理技术有限公司 | Salt bath formula for treating high-speed steel air conditioning compressor blade by salt bath nitriding treatment and treatment method |
| CN101906607A (en) * | 2009-06-04 | 2010-12-08 | 台州市百达制冷有限公司 | Liquid tufftriding method of 9Cr18 or 9Cr18Mo stainless steel slip sheet (or blade) |
| CN102994942A (en) * | 2012-12-16 | 2013-03-27 | 青岛森淼实业有限公司 | Nitriding method of slip sheets of compressor |
| CN103882370A (en) * | 2014-03-24 | 2014-06-25 | 合肥美桥汽车传动及底盘***有限公司 | 42CrMo or 40Cr steering knuckle nitrocarburizing treatment process |
| CN104087892A (en) * | 2014-06-11 | 2014-10-08 | 威海久威材料科技有限公司 | Technical method for die steel surface nonmetallic ion infiltration |
| CN107794493A (en) * | 2017-11-16 | 2018-03-13 | 昆山三民涂赖电子材料技术有限公司 | A kind of salt bath formula and its salt-bath nitriding method of low temperature salt-bath nitridation |
| CN113416917A (en) * | 2021-05-24 | 2021-09-21 | 昆山三民涂赖电子材料技术有限公司 | Salt bath tufftride process of differential shell |
| CN113416918A (en) * | 2021-05-28 | 2021-09-21 | 昆山三民涂赖电子材料技术有限公司 | Nitrocarburizing process for extremely-thin parts |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100386469C (en) | 2008-05-07 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: TAIZHOU BAIDA REFRIGERATION Co.,Ltd. Assignor: Shanghai Ouben Surface Treatment Technology Co.,Ltd.|Taizhou Baida Precision Machinery Co.,Ltd. Contract fulfillment period: 2008.8.8 to 2023.11.13 Contract record no.: 2009330001558 Denomination of invention: Salt bath tuff-triding treatment for high speed steel (W6Mo5Cr4V2) slide vane (or vane) Granted publication date: 20080507 License type: Exclusive license Record date: 20090706 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.8.8 TO 2023.11.13; CHANGE OF CONTRACT Name of requester: TAIZHOU BAIDA REFRIGERATION CO., LTD. Effective date: 20090706 |
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| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG BAIDA PRECISION INDUSTRY CO., LTD. Free format text: FORMER OWNER: OUBENSURFACE TREATMENT TECHNOLOGY CO., LTD., SHANGHAI Effective date: 20120321 Free format text: FORMER OWNER: TAIZHOU BAIDA PRECISION MACHINERY CO., LTD. Effective date: 20120321 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200093 YANGPU, SHANGHAI TO: 318000 TAIZHOU, ZHEJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120321 Address after: 318000 No. 908, Lane 28, Middle Road, Taizhou, Zhejiang Patentee after: ZHEJIANG BAIDA PRECISION MANUFACTURING Corp. Address before: 200093 No. 1146, military road, Shanghai Co-patentee before: Taizhou Baida Precision Machinery Co.,Ltd. Patentee before: Shanghai Ouben Surface Treatment Technology Co.,Ltd. |
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Granted publication date: 20080507 |
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