CN203582954U - Automotive spare part nitriding or soft-nitriding equipment - Google Patents
Automotive spare part nitriding or soft-nitriding equipment Download PDFInfo
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- CN203582954U CN203582954U CN201320687121.9U CN201320687121U CN203582954U CN 203582954 U CN203582954 U CN 203582954U CN 201320687121 U CN201320687121 U CN 201320687121U CN 203582954 U CN203582954 U CN 203582954U
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- Prior art keywords
- nitrogenize
- auto
- tufftride
- vacuum chamber
- nitriding
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- Expired - Lifetime
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- 238000005121 nitriding Methods 0.000 title claims abstract description 53
- 238000001816 cooling Methods 0.000 claims abstract description 48
- 239000007789 gas Substances 0.000 claims abstract description 23
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 14
- 239000001301 oxygen Substances 0.000 claims abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- 230000003647 oxidation Effects 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims description 35
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 31
- 238000010583 slow cooling Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 16
- 238000005273 aeration Methods 0.000 claims description 13
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000003763 carbonization Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 17
- 238000007599 discharging Methods 0.000 abstract description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- 229910021529 ammonia Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005256 carbonitriding Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005255 carburizing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- 235000011089 carbon dioxide Nutrition 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- 238000007669 thermal treatment Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 230000002000 scavenging effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 241001125877 Gobio gobio Species 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
The utility model provides automotive spare part nitriding or soft-nitriding equipment. The automotive spare part nitriding or soft-nitriding equipment comprises a driving system, a pre-oxidation device, a pre-air exchanging device, a nitriding device, a cooling device and a post-air exchanging device, wherein the driving system is used for driving automotive spare parts; the pre-oxidation device, the pre-air exchanging device, the nitriding device and the cooling device are located between a feeding end and a discharging end and are sequentially connected to one another; the post-air exchanging device is located between the cooling device and the discharging end. Compared with the prior art, the automotive spare part nitriding or soft-nitriding equipment provided by the utility model has the advantages that the post-air exchanging device is also additionally arranged between the cooling device and the discharging end and is used for providing a gas exchange process for the automotive spare parts subjected to nitriding or soft-nitriding treatment before discharging so as to prevent the automotive spare parts from reacting with oxygen in air to cause oxidation of the surfaces of the automotive spare parts, so that the aesthetic property of the automotive spare parts is ensured, the surface quality of the automotive spare parts is reliable and stable, and the percent of pass of the automotive spare parts is high.
Description
Technical field
The utility model relates to mechanical processing technique, particularly relates to a kind of nitrogenize or tufftride equipment of auto-parts.
Background technology
For over ten years, along with developing rapidly of Domestic Automotive Industry, around the various advanced persons' of high-quality, energy-saving and environmental protection heat treatment technics, in producing, auto-parts are used widely.Thermal treatment is that automobile product obtains desired intensity, malleableize performance, realizes safer, more reliable important technical, and thermal treatment quality is the important guarantee of Realization of Product reliability, weather resistance, security simultaneously.Especially for auto-parts surface heat Disposal quality, the process of auto Industry Localization be will directly have influence on, stability and the security of automobile manipulation are also directly connected to.
Generally, auto-parts surface heat treatment technology mostly is carburizing heat treatment process, and it is mainly to obtain good anti-fatigue performance and wear resistance after auto-parts are processed by nitrogenize or tufftride, guarantees the reliability of auto-parts use properties.Common ground, adopts the thermal treatment auto-parts of carburizing and quenching strengthening to have: differential gear, transmission shaft tooth class auto-parts, steering column shaft tooth part, engine gudgeon pin and the brake flange auto-parts etc. of automobile drive axle.
In the prior art, for nitrogenize or the tufftride processing of auto-parts, substantially all pass through following steps: preoxidation, ventilation, nitrogenize or tufftride, cooling, discharging.Correspondingly, for nitrogenize or the tufftride treatment facility of auto-parts, just generally comprise preoxidation device, air interchanger, nitrogenize or tufftride device, refrigerating unit.Yi Zhi, in the prior art, because being is processing the also cooling direct discharging of auto-parts by via nitride or tufftride, like this, the described auto-parts of discharging just react and make the surface of described auto-parts occur oxidation with airborne oxygen generation possibly, affect (for example irregular colour is even) attractive in appearance and the surface quality (for example nitride layer is inhomogeneous) thereof of described auto-parts.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of nitrogenize or tufftride equipment of auto-parts, to solve for the nitrogenize of auto-parts or the prior art of soft-nitriding process, exists auto-parts and the generation of airborne oxygen react and make the surface of described auto-parts occur the problems such as oxidation.
For addressing the above problem and other problems, the utility model provides a kind of nitrogenize or tufftride equipment of auto-parts, comprise: for the transmission system of transmission automobile component, between loading end and exhaust end and the preoxidation device sequentially connecting, pre-air interchanger, nitridation device, refrigerating unit and the rear air interchanger between described refrigerating unit and described exhaust end.
Alternatively, described preoxidation device comprises preoxidation chamber, and at described oxidizing chamber, described automobile component carry out pre-oxidation treatment at 350 ℃ to 450 ℃.
Alternatively, described pre-air interchanger comprises: the first vacuum chamber, and described the first vacuum chamber is provided with the door of entering the room, goes out chamber door, aspirating hole and aeration aperture; The first pumped vacuum systems, for described the first vacuum chamber being vacuumized by described aspirating hole, eliminates the oxygen in described the first vacuum chamber; The first inflation system, for described the first vacuum chamber being inflated by described aeration aperture, the gas being filled with is nitrogen.
Alternatively, described nitridation device comprises nitriding furnace, in described nitriding furnace, described automobile component is carried out to nitriding treatment or tufftride processing.
Alternatively, described nitriding furnace further comprises the first nitrogenize district and the second nitrogenize district, and the treatment temp in described the first nitrogenize district is different from the treatment temp in described the second nitrogenize district, and the flow in the first described nitrogenize district is different from the flow in the second described nitrogenize district.
Alternatively, after nitriding treatment or tufftride processing, at described surface of automobile part, generate one deck tectorium, at described automobile component subsurface, generate one deck nitrogen carbon compound layer.
Alternatively, the thickness of described nitrogen carbon compound layer is 10 microns to 30 microns, and described tectorium is 10% to 25% of described nitrogen carbonization compound layer.
Alternatively, described refrigerating unit comprises cooling room, in described cooling room, described automobile component is carried out to slow cooling processing.
Alternatively, described cooling room further comprises gas-gas slow cooling district and water-air water cold-zone; By be placed in gas-gas slow cooling district through the described automobile component of nitriding treatment or tufftride processing, undertaken cooling and be cooled to the first cooling temperature; By being placed in water-air water cold-zone through the cooling described automobile component in gas-gas slow cooling district, being undertaken cooling and be cooled to the second cooling temperature, described the second cooling temperature will be lower than described the first cooling temperature.
Alternatively, described rear air interchanger comprises: the second vacuum chamber, and described the second vacuum chamber is provided with the door of entering the room, goes out chamber door, aspirating hole and aeration aperture; Landing system, for auto-parts described in landing with control described auto-parts by the described door of entering the room enter described the second vacuum chamber and described automobile component by described go out chamber door roll described the second vacuum chamber away from; The second pumped vacuum systems, for described the second vacuum chamber being vacuumized by described aspirating hole, drains the air in described the second vacuum chamber only, eliminates the oxygen in described the second vacuum chamber; The second inflation system, for described the second vacuum chamber being inflated by described aeration aperture, the gas being filled with is nitrogen.
The nitrogenize of auto-parts of the present utility model or tufftride equipment have following effect: can guarantee that automobile component meet nitrogenize or tufftride requirement, especially, between refrigerating unit and exhaust end also additional configuration one rear air interchanger, utilize described rear air interchanger, can before discharging, increase again a scavenging period to the auto-parts that carry out nitriding treatment or tufftride processing, thereby can avoid described auto-parts and the generation of airborne oxygen react and make the surface of described auto-parts occur oxidation as far as possible, guaranteed described auto-parts attractive in appearance (for example, color even is consistent), its surface quality is reliable and stable (for example, the nitrogen carbon compound layer that nitriding treatment or tufftride form after processing is even, steady quality) and qualification rate high.
Accompanying drawing explanation
Fig. 1 is nitrogenize or the tufftride equipment structured flowchart in one embodiment of the utility model auto-parts.
Embodiment
By specific specific examples, embodiment of the present utility model is described below, those skilled in the art can understand other advantages of the present utility model and effect easily by the disclosed content of this specification sheets.The utility model can also be implemented or be applied by other different embodiment, and the every details in this specification sheets also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present utility model.
It should be noted that, appended graphic the illustrated structure of this specification sheets, ratio, size etc., all contents in order to coordinate specification sheets to disclose only, for person skilled in the art scholar, understand and read, not in order to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionlity or size, do not affecting under the effect that the utility model can produce and the object that can reach, all should still drop on the technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, in this specification sheets, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, without essence, changing under technology contents, when being also considered as the enforceable category of the utility model.
The purpose of this utility model is to provide a kind of nitrogenize or tufftride equipment of auto-parts, to solve for the nitrogenize of auto-parts or the prior art of soft-nitriding process, exists auto-parts and the generation of airborne oxygen react and make the surface of described auto-parts occur the problems such as oxidation.It should be noted that, the nitrogenize of auto-parts of the present utility model or tufftride equipment are to be applied in automobile component, for automobile component are carried out to nitrogenize or tufftride processing.For example, take automobile brake disc as example, automobile brake disc can carry out ferrite carbonitriding (Ferritic Nitro-Carburizing, FNC) technique, FNC technique is a kind of surface heat treatment process, and under rich nitrogen environment, nitrogen-atoms is adsorbed on the outside surface of brake flange, this top layer Corrosion Protection is splendid, thereby and has enough frictional force and ensure effective braking effect.
Refer to Fig. 1, be shown as nitrogenize or the tufftride equipment structured flowchart in one embodiment of the utility model auto-parts.As shown in Figure 1, the nitrogenize of the utility model auto-parts or tufftride equipment 1 comprise: transmission system 10, between loading end and exhaust end and sequentially the preoxidation device 11, pre-air interchanger 13, nitridation device 15, refrigerating unit 17 and the rear air interchanger 19 that connect.
Below above-mentioned each integral part is described in detail.
Thus, utilize nitridation device 15 to carry out after nitriding treatment or tufftride processing described automobile component, can generate one deck tectorium at described surface of automobile part, at described automobile component subsurface, generate one deck nitrogen carbon compound layer, described tectorium is to be positioned at outside described nitrogen carbon compound layer.In actual applications, the thickness of described nitrogen carbon compound layer can be 10 microns (um) to 30 microns (um), described tectorium is 10% to 25% of described nitrogen carbonization compound layer.This nitrogen oxycarbide layer and the described tectorium that form have high wear resistance and oxidation-resistance, and can improve the erosion resistance of described automobile component.
Refrigerating unit 17 is for carrying out cooling process to described automobile component.In the present embodiment, refrigerating unit comprises cooling room, in described cooling room, described automobile component is carried out to slow cooling processing.For obtaining good cooling performance and guaranteeing that described automobile component controlling dimension in process of cooling changes and guarantees that stress fully eliminates, therefore, in the present embodiment, utilize slow cooling processing mode, can avoid described automobile component because speed of cooling is too fast, to cause that inhomogeneous cooling is even, size can even variation meet quality product requirement.Preferably, described cooling room further comprises gas-gas slow cooling district and water-air water cold-zone, in actual applications, carrying out slow cooling processing comprises: first by be placed in gas-gas slow cooling district through the described automobile component of nitriding treatment or tufftride processing, undertaken cooling and be cooled to the first cooling temperature; By being placed in water-air water cold-zone through the cooling described automobile component in gas-gas slow cooling district, being undertaken cooling and be cooled to the second cooling temperature again, described the second cooling temperature will be lower than described the first cooling temperature.Existing, still take automobile brake disc, carry out ferrite carbonitriding FNC technique as example, slow cooling processing for automobile brake disc comprises: first by being placed in gas-gas slow cooling district through the described automobile component of nitriding treatment or tufftride processing, undertaken cooling, slow cooling district design temperature is 300 ℃ to 330 ℃, the pressure in described gas-gas slow cooling district is controlled at 310Pa to 330Pa, and the speed of cooling of controlling described automobile component is 5.5 ℃/min to 6.5 ℃/min; By being placed in water-air water cold-zone through the cooling described automobile component in gas-gas slow cooling district, undertaken cooling, described water-air water cold-zone design temperature is below 150 ℃, the pressure of described water-air water cold-zone is controlled at 280Pa to 320Pa, the speed of cooling of controlling described automobile component is 4 ℃/min to 4.5 ℃/min, and controlling cooling time is 15 minutes to 18 minutes.
As from the foregoing, utilize refrigerating unit 17 to carry out slow cooling processing to described automobile component, can control the speed of cooling of described automobile component, make described automobile component slow cooling as far as possible, control the variation of described vehicle element size and the stress of described automobile component is fully eliminated.
As from the foregoing, after utilizing, air interchanger 19 vacuumizes in the second vacuum chamber, and then fills nitrogen, opens afterwards described the second vacuum chamber, described automobile component are taken out, thereby can prevent described automobile component because of excess Temperature oxidized.Here, the object of described vacuum chamber is in order to take a breath fully, to eliminate oxygen in air, prevent that described automobile component are oxidized, guarantee that described automobile component color even is consistent, guaranteeing its surface quality.
In sum, the nitrogenize of auto-parts of the present utility model or tufftride equipment have following effect: can guarantee that automobile component meet nitrogenize or tufftride requirement, especially, between refrigerating unit and exhaust end also additional configuration one rear air interchanger, utilize described rear air interchanger, can before discharging, increase again a scavenging period to the auto-parts that carry out nitriding treatment or tufftride processing, thereby can avoid described auto-parts and the generation of airborne oxygen react and make the surface of described auto-parts occur oxidation as far as possible, guaranteed described auto-parts attractive in appearance (for example, color even is consistent), its surface quality (for example, the nitrogen carbon compound layer that nitriding treatment or tufftride form after processing is even, steady quality) and qualification rate high, there is very high industry using value.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (10)
1. the nitrogenize of auto-parts or tufftride equipment, comprise the transmission system for transmission automobile component, the preoxidation device between loading end and exhaust end and sequentially connecting, pre-air interchanger, nitridation device and refrigerating unit, it is characterized in that, also comprise the rear air interchanger between described refrigerating unit and described exhaust end.
2. the nitrogenize of auto-parts according to claim 1 or tufftride equipment, is characterized in that, described preoxidation device comprises preoxidation chamber, and at described oxidizing chamber, described automobile component carry out pre-oxidation treatment at 350 ℃ to 450 ℃.
3. the nitrogenize of auto-parts according to claim 1 or tufftride equipment, is characterized in that, described pre-air interchanger comprises:
The first vacuum chamber, described the first vacuum chamber is provided with the door of entering the room, goes out chamber door, aspirating hole and aeration aperture;
The first pumped vacuum systems, for described the first vacuum chamber being vacuumized by described aspirating hole, eliminates the oxygen in described the first vacuum chamber;
The first inflation system, for described the first vacuum chamber being inflated by described aeration aperture, the gas being filled with is nitrogen.
4. the nitrogenize of auto-parts according to claim 1 or tufftride equipment, is characterized in that, described nitridation device comprises nitriding furnace, in described nitriding furnace, described automobile component carried out to nitriding treatment or tufftride processing.
5. the nitrogenize of auto-parts according to claim 4 or tufftride equipment, it is characterized in that, described nitriding furnace further comprises the first nitrogenize district and the second nitrogenize district, the treatment temp in described the first nitrogenize district is different from the treatment temp in described the second nitrogenize district, and the flow in the first described nitrogenize district is different from the flow in the second described nitrogenize district.
6. the nitrogenize of auto-parts or tufftride equipment according to claim 1 or 5, it is characterized in that, after nitriding treatment or tufftride processing, at described surface of automobile part, generate one deck tectorium, at described automobile component subsurface, generate one deck nitrogen carbon compound layer.
7. the nitrogenize of auto-parts according to claim 6 or tufftride equipment, is characterized in that, the thickness of described nitrogen carbon compound layer is 10 microns to 30 microns, and described tectorium is 10% to 25% of described nitrogen carbonization compound layer.
8. the nitrogenize of auto-parts according to claim 1 or tufftride equipment, is characterized in that, described refrigerating unit comprises cooling room, in described cooling room, described automobile component carried out to slow cooling processing.
9. the nitrogenize of auto-parts according to claim 8 or tufftride equipment, is characterized in that, described cooling room further comprises gas-gas slow cooling district and water-air water cold-zone;
By be placed in gas-gas slow cooling district through the described automobile component of nitriding treatment or tufftride processing, undertaken cooling and be cooled to the first cooling temperature;
By being placed in water-air water cold-zone through the cooling described automobile component in gas-gas slow cooling district, being undertaken cooling and be cooled to the second cooling temperature, described the second cooling temperature will be lower than described the first cooling temperature.
10. the nitrogenize of auto-parts according to claim 1 or tufftride equipment, is characterized in that, described rear air interchanger comprises:
The second vacuum chamber, described the second vacuum chamber is provided with the door of entering the room, goes out chamber door, aspirating hole and aeration aperture;
Landing system, for auto-parts described in landing with control described auto-parts by the described door of entering the room enter described the second vacuum chamber and described automobile component by described go out chamber door roll described the second vacuum chamber away from;
The second pumped vacuum systems, for described the second vacuum chamber being vacuumized by described aspirating hole, drains the air in described the second vacuum chamber only, eliminates the oxygen in described the second vacuum chamber;
The second inflation system, for described the second vacuum chamber being inflated by described aeration aperture, the gas being filled with is nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320687121.9U CN203582954U (en) | 2013-11-01 | 2013-11-01 | Automotive spare part nitriding or soft-nitriding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320687121.9U CN203582954U (en) | 2013-11-01 | 2013-11-01 | Automotive spare part nitriding or soft-nitriding equipment |
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| Publication Number | Publication Date |
|---|---|
| CN203582954U true CN203582954U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320687121.9U Expired - Lifetime CN203582954U (en) | 2013-11-01 | 2013-11-01 | Automotive spare part nitriding or soft-nitriding equipment |
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| CN (1) | CN203582954U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103589988A (en) * | 2013-11-01 | 2014-02-19 | 通富热处理(昆山)有限公司 | Nitridation or soft nitridation equipment for automobile parts |
| CN104004985A (en) * | 2014-06-03 | 2014-08-27 | 浙江尚鼎工业炉有限公司 | Carbon-nitrogen-oxygen combined treatment process and device |
| CN106288721A (en) * | 2016-08-24 | 2017-01-04 | 桂林浩新科技服务有限公司 | A kind of anti-oxidation auto-parts baking box |
-
2013
- 2013-11-01 CN CN201320687121.9U patent/CN203582954U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103589988A (en) * | 2013-11-01 | 2014-02-19 | 通富热处理(昆山)有限公司 | Nitridation or soft nitridation equipment for automobile parts |
| CN103589988B (en) * | 2013-11-01 | 2015-12-09 | 通富热处理(昆山)有限公司 | The nitrogenize of auto-parts or tufftride equipment |
| CN104004985A (en) * | 2014-06-03 | 2014-08-27 | 浙江尚鼎工业炉有限公司 | Carbon-nitrogen-oxygen combined treatment process and device |
| CN106288721A (en) * | 2016-08-24 | 2017-01-04 | 桂林浩新科技服务有限公司 | A kind of anti-oxidation auto-parts baking box |
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| GR01 | Patent grant | ||
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Granted publication date: 20140507 |