JP2016216774A - 浸炭装置と浸炭方法 - Google Patents
浸炭装置と浸炭方法 Download PDFInfo
- Publication number
- JP2016216774A JP2016216774A JP2015101781A JP2015101781A JP2016216774A JP 2016216774 A JP2016216774 A JP 2016216774A JP 2015101781 A JP2015101781 A JP 2015101781A JP 2015101781 A JP2015101781 A JP 2015101781A JP 2016216774 A JP2016216774 A JP 2016216774A
- Authority
- JP
- Japan
- Prior art keywords
- organic compound
- heating furnace
- carburizing
- alcohol
- compound vapor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 94
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 92
- 238000010438 heat treatment Methods 0.000 claims abstract description 90
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 238000005507 spraying Methods 0.000 claims abstract description 25
- 238000009792 diffusion process Methods 0.000 claims abstract description 17
- 238000005255 carburizing Methods 0.000 claims description 112
- 235000019441 ethanol Nutrition 0.000 claims description 80
- 239000007788 liquid Substances 0.000 claims description 20
- 238000010791 quenching Methods 0.000 claims description 18
- 230000000171 quenching effect Effects 0.000 claims description 18
- 230000007723 transport mechanism Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 34
- 239000000047 product Substances 0.000 description 22
- 238000004519 manufacturing process Methods 0.000 description 18
- 238000011282 treatment Methods 0.000 description 14
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- 239000011261 inert gas Substances 0.000 description 7
- 238000005261 decarburization Methods 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 5
- 229910052786 argon Inorganic materials 0.000 description 5
- 238000005480 shot peening Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 238000005496 tempering Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/20—Carburising
- C23C8/22—Carburising of ferrous surfaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0056—Furnaces through which the charge is moved in a horizontal straight path
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/20—Carburising
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/04—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
- F27B9/045—Furnaces with controlled atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/3005—Details, accessories, or equipment peculiar to furnaces of these types arrangements for circulating gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/40—Arrangements of controlling or monitoring devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Heat Treatment Of Articles (AREA)
- Tunnel Furnaces (AREA)
Abstract
【解決手段】実施形態の浸炭装置10Bは、鋼からなる材料11を焼入れ可能な温度に加熱する加熱炉50と、搬送機構55と、有機化合物蒸気発生器の一例であるアルコール蒸気発生器32Bと、アルコール蒸気吹付け部57と、焼入れ槽58と、加熱炉50の熱を取入れる排熱取入れ管61とを具備している。搬送機構55は、複数の材料11を加熱炉50の入口部51から出口部52に向かって移動させる。アルコール蒸気発生器32Bは、加熱炉50が発生する熱の一部を熱源として利用する。アルコール蒸気吹付け部57は、加熱炉50内を移動する材料11にアルコール蒸気を吹付けてアルコール中の炭素を材料11に吸着させる工程と、材料に吸着した炭素の拡散のためのインターバルをとる拡散工程とを、加熱炉50内において複数回繰返す。浸炭処理がなされた材料に焼入れが行なわれ、焼入れ組織が形成される。
【選択図】図5
Description
図1は、実験室レベルで実施される浸炭装置10Aの構成を模式的に表わしたものである。この浸炭装置10Aは、鋼製の材料11を収容する容器12と、容器12内の材料11を保持するホルダ13と、材料11を加熱する赤外線集光形のヒータ14と、有機化合物供給系の一例であるアルコール蒸気供給系15と、不活性ガス供給系16と、排気ポンプ18と、切換弁19と、材料11の温度を検出する温度センサ(熱電対)20と、材料11を焼入れる際に使用する冷却槽21などを含んでいる。冷却槽21には冷水21aが収容されている。
図5は、ばね製造プロセスにおいて工場レベルで浸炭を行なう浸炭装置10Bを模式的に示している。この浸炭装置10Bは、ばね鋼からなる材料11を加熱する熱処理炉としての加熱炉50と、複数の材料11を加熱炉50の入口部51から出口部52に向かって移動させる搬送機構55と、アルコール蒸気供給系56と、アルコール蒸気吹付け部57と、焼入れ手段としての焼入れ槽58などを具備している。焼入れ槽58には水あるいは油等の焼入れ液が収容されている。
(1)鋼からなる材料を加熱炉内にて焼入れ可能な温度に加熱し、
(2)アルコール液を蒸発させることによりアルコール蒸気を発生させ、
(3)前記材料を前記加熱炉の入口部から出口部に向かって連続的または間欠的に移動させ、
(4)前記加熱炉内の前記材料に前記アルコール蒸気を吹付ける工程と炭素の拡散のための工程とを前記加熱炉内で複数回繰返し、
(5)前記加熱炉から取り出された前記材料を急冷することにより焼入れ組織を生じさせる。
Claims (9)
- 鋼からなる材料を加熱する加熱炉と、
複数の前記材料を前記加熱炉の入口部から出口部に向かって連続的または間欠的に移動させる搬送機構と、
液体の有機化合物を蒸発させることにより有機化合物蒸気を発生させる有機化合物蒸気発生器と、
前記加熱炉内を移動する前記材料に前記有機化合物蒸気を吹付けて該有機化合物中の炭素を前記材料に吸着させかつ炭素の拡散のためのインターバルが経過した状態において再び前記有機化合物蒸気を前記材料に吹付けることを前記加熱炉内で複数回繰返す有機化合物蒸気吹付け部と、
前記加熱炉から取り出された前記材料を急冷し前記材料に焼入れ組織を生じさせる焼入れ手段と、
を具備したことを特徴とする浸炭装置。 - 前記加熱炉が発生する熱の一部を前記有機化合物蒸気発生器の熱源として利用するための排熱取入れ手段を備えたことを特徴とする請求項1に記載の浸炭装置。
- 前記有機化合物蒸気発生器は、液体の有機化合物を収容する容器部と、前記容器部に一部が浸漬され、前記液体の有機化合物が内部を拡散する多孔質体とを有し、前記多孔質体が流通する流通孔内を加熱することで前記有機化合物蒸気を発生させることを特徴とする請求項1または2に記載の浸炭装置。
- 前記有機化合物蒸気発生器は、前記流通孔の内面の少なくとも一部を加熱する加熱手段を備えていることを特徴とする請求項3に記載の浸炭装置。
- 前記加熱炉が前記材料をオーステナイト化温度まで加熱する熱処理炉であることを特徴とする請求項1から4のいずれか1項に記載の浸炭装置。
- 前記有機化合物蒸気吹付け部は、前記搬送機構の移動方向に複数段階に分かれて配置された複数のノズルを備えていることを特徴とする請求項1から5のいずれか1項に記載の浸炭装置。
- 前記液体の有機化合物がアルコール液であることを特徴とする請求項1から6のいずれか1項に記載の浸炭装置。
- 前記アルコール液がエチルアルコールであることを特徴とする請求項7に記載の浸炭装置。
- 鋼からなる材料を加熱炉内にて焼入れ可能な温度に加熱し、
液体の有機化合物を蒸発させることにより有機化合物蒸気を発生させ、
前記材料を前記加熱炉の入口部から出口部に向かって連続的または間欠的に移動させ、
前記加熱炉内の前記材料に前記有機化合物蒸気を吹付ける工程と、材料に吸着した炭素を拡散させる工程とを前記加熱炉内で複数回繰返し、
前記加熱炉から取出された前記材料を急冷することにより焼入れ組織を生じさせることを特徴とする鋼製品の浸炭方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015101781A JP6488191B2 (ja) | 2015-05-19 | 2015-05-19 | 浸炭装置と浸炭方法 |
MX2017014770A MX2017014770A (es) | 2015-05-19 | 2016-05-12 | Dispositivo de carburizacion y metodo de carburizacion. |
KR1020177033209A KR102004078B1 (ko) | 2015-05-19 | 2016-05-12 | 침탄 장치와 침탄 방법 |
PCT/JP2016/064183 WO2016186003A1 (ja) | 2015-05-19 | 2016-05-12 | 浸炭装置と浸炭方法 |
EP16796396.6A EP3299488A4 (en) | 2015-05-19 | 2016-05-12 | Carburization device and carburization method |
CN201680027822.6A CN107614735B (zh) | 2015-05-19 | 2016-05-12 | 渗碳装置和渗碳方法 |
US15/814,892 US10584408B2 (en) | 2015-05-19 | 2017-11-16 | Carburization device and carburization method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015101781A JP6488191B2 (ja) | 2015-05-19 | 2015-05-19 | 浸炭装置と浸炭方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016216774A true JP2016216774A (ja) | 2016-12-22 |
JP6488191B2 JP6488191B2 (ja) | 2019-03-20 |
Family
ID=57319907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015101781A Active JP6488191B2 (ja) | 2015-05-19 | 2015-05-19 | 浸炭装置と浸炭方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10584408B2 (ja) |
EP (1) | EP3299488A4 (ja) |
JP (1) | JP6488191B2 (ja) |
KR (1) | KR102004078B1 (ja) |
CN (1) | CN107614735B (ja) |
MX (1) | MX2017014770A (ja) |
WO (1) | WO2016186003A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2018011359A (es) * | 2016-03-30 | 2019-01-31 | Nhk Spring Co Ltd | Miembro de muelle hueco y metodo de produccion de muelle hueco. |
CN109487201B (zh) * | 2019-01-09 | 2021-02-19 | 嘉善龙焱热处理厂(普通合伙) | 一种金属工件渗碳炉 |
CN113862608B (zh) * | 2021-09-26 | 2024-03-01 | 南京高速齿轮制造有限公司 | 一种渗碳介质喷射装置 |
KR102494316B1 (ko) | 2021-09-30 | 2023-02-06 | 한국생산기술연구원 | 침탄원료의 저감 및 입계산화의 저감을 위한 가스침탄방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49105736A (ja) * | 1973-02-13 | 1974-10-07 | ||
JPH1192823A (ja) * | 1997-09-19 | 1999-04-06 | Osaka Oxygen Ind Ltd | 熱処理用雰囲気発生装置 |
CN101187002A (zh) * | 2007-12-29 | 2008-05-28 | 江苏丰东热技术股份有限公司 | 减少内氧化的渗碳工艺 |
JP4923258B2 (ja) * | 2006-02-14 | 2012-04-25 | 国立大学法人横浜国立大学 | 過熱水蒸気発生装置及び過熱水蒸気発生方法 |
WO2014042066A1 (ja) * | 2012-09-14 | 2014-03-20 | 日本発條株式会社 | 圧縮コイルばねおよびその製造方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4923258A (ja) | 1972-06-26 | 1974-03-01 | ||
US4059122A (en) | 1973-02-10 | 1977-11-22 | Glory Kogyo Kabushiki Kaisha | Coin classifying and counting machine |
JPS51117934A (en) * | 1975-04-09 | 1976-10-16 | Fujikoshi Kk | Droppinggtype gas carburizing furnace |
JPS5915964B2 (ja) | 1977-10-14 | 1984-04-12 | オリエンタルエンヂニアリング株式会社 | 鋼の熱処理方法 |
JPS5915964A (ja) | 1982-07-19 | 1984-01-27 | Canon Inc | 画像表示装置 |
CH686072A5 (de) * | 1992-06-19 | 1995-12-29 | Alusuisse Lonza Services Ag | Sprayanlage zum Kuhlen von Profilen. |
FR2777910B1 (fr) * | 1998-04-27 | 2000-08-25 | Air Liquide | Procede de regulation du potentiel carbone d'une atmosphere de traitement thermique et procede de traitement thermique mettant en oeuvre une telle regulation |
JP2008057039A (ja) * | 2006-08-02 | 2008-03-13 | Ntn Corp | 浸炭方法、鋼製品、および熱処理設備 |
CN101338358B (zh) * | 2007-07-05 | 2010-06-02 | 刘正贤 | 提升马氏体不锈钢表面硬度的方法 |
DE102007047074A1 (de) | 2007-10-01 | 2009-04-02 | Robert Bosch Gmbh | Verfahren zur Aufkohlung von Werkstücken sowie Verwendung |
JP5799483B2 (ja) | 2009-07-23 | 2015-10-28 | トヨタ自動車株式会社 | 浸炭方法および浸炭装置 |
JP6661594B2 (ja) | 2017-12-12 | 2020-03-11 | ファナック株式会社 | モジュール及び電子機器 |
-
2015
- 2015-05-19 JP JP2015101781A patent/JP6488191B2/ja active Active
-
2016
- 2016-05-12 KR KR1020177033209A patent/KR102004078B1/ko active IP Right Grant
- 2016-05-12 CN CN201680027822.6A patent/CN107614735B/zh active Active
- 2016-05-12 MX MX2017014770A patent/MX2017014770A/es unknown
- 2016-05-12 WO PCT/JP2016/064183 patent/WO2016186003A1/ja active Application Filing
- 2016-05-12 EP EP16796396.6A patent/EP3299488A4/en active Pending
-
2017
- 2017-11-16 US US15/814,892 patent/US10584408B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49105736A (ja) * | 1973-02-13 | 1974-10-07 | ||
JPH1192823A (ja) * | 1997-09-19 | 1999-04-06 | Osaka Oxygen Ind Ltd | 熱処理用雰囲気発生装置 |
JP4923258B2 (ja) * | 2006-02-14 | 2012-04-25 | 国立大学法人横浜国立大学 | 過熱水蒸気発生装置及び過熱水蒸気発生方法 |
CN101187002A (zh) * | 2007-12-29 | 2008-05-28 | 江苏丰东热技术股份有限公司 | 减少内氧化的渗碳工艺 |
WO2014042066A1 (ja) * | 2012-09-14 | 2014-03-20 | 日本発條株式会社 | 圧縮コイルばねおよびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN107614735B (zh) | 2021-04-23 |
EP3299488A1 (en) | 2018-03-28 |
MX2017014770A (es) | 2018-02-13 |
KR20170138499A (ko) | 2017-12-15 |
KR102004078B1 (ko) | 2019-07-25 |
US20180080113A1 (en) | 2018-03-22 |
EP3299488A4 (en) | 2018-11-07 |
JP6488191B2 (ja) | 2019-03-20 |
WO2016186003A1 (ja) | 2016-11-24 |
US10584408B2 (en) | 2020-03-10 |
CN107614735A (zh) | 2018-01-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10584408B2 (en) | Carburization device and carburization method | |
Edenhofer et al. | Carburizing of steels | |
JP5572251B1 (ja) | 鉄鋼部材の表面硬化処理法及び表面硬化処理装置 | |
Winter et al. | Process technologies for thermochemical surface engineering | |
KR101742685B1 (ko) | 저온 진공침탄방법 | |
JP6592588B2 (ja) | 中空スタビライザ製造方法及び中空スタビライザ製造装置 | |
KR100432956B1 (ko) | 금속침탄방법 | |
CN111868292B (zh) | 真空渗碳处理方法以及渗碳部件的制造方法 | |
JP2019127624A (ja) | 鋼部材の製造方法 | |
CN114341392B (zh) | 真空渗碳处理方法和渗碳部件的制造方法 | |
US10900112B2 (en) | Hollow spring member and hollow spring member production method | |
JP7253886B2 (ja) | 鉄合金及び他の金属からなる被加工物の低圧浸炭(lpc)の方法 | |
CN112899447A (zh) | 一种提高纳米晶铁芯在互感器中输出线性度的退火方法 | |
JP5005537B2 (ja) | 低圧熱化学的処理機械 | |
JP2009270155A (ja) | 浸窒焼入れ方法および浸窒焼入れ品 | |
JP4858071B2 (ja) | 鋼材の表面処理方法及び表面処理された鋼材 | |
Preisser et al. | Update on vacuum-based carburizing | |
PIT | A NEW LOW-PRESSURE CARBURIZING SOLUTION | |
JPH04350115A (ja) | 同一油槽を使用する焼入れ、焼戻し方法 | |
Jegou et al. | Activation of surfaces prior to gaseous nitriding of a 3wt.% Cr carbon iron-based alloy | |
Hengerer et al. | Case-Hardening | |
WO2018131993A1 (es) | Proceso de carburizado a baja presión | |
Hengerer et al. | Process for Case-Hardening Rolling Bearing Elements of Low-Alloy Nickel Steel | |
Hart | LPC Pit Furnace vs. Traditional Pit Carburizing |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180208 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20181106 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20181226 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20190129 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190225 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6488191 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |