KR101251150B1 - 공구강의 열처리 방법 - Google Patents
공구강의 열처리 방법 Download PDFInfo
- Publication number
- KR101251150B1 KR101251150B1 KR1020120147554A KR20120147554A KR101251150B1 KR 101251150 B1 KR101251150 B1 KR 101251150B1 KR 1020120147554 A KR1020120147554 A KR 1020120147554A KR 20120147554 A KR20120147554 A KR 20120147554A KR 101251150 B1 KR101251150 B1 KR 101251150B1
- Authority
- KR
- South Korea
- Prior art keywords
- cooling
- heat treatment
- tool steel
- present
- incubation
- 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.)
- Expired - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 44
- 229910001315 Tool steel Inorganic materials 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 57
- 238000011534 incubation Methods 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000013019 agitation Methods 0.000 claims abstract description 3
- 229910000734 martensite Inorganic materials 0.000 claims description 5
- 230000009466 transformation Effects 0.000 claims description 5
- 238000010583 slow cooling Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 230000032683 aging Effects 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 238000006467 substitution reaction Methods 0.000 abstract description 5
- 230000001419 dependent effect Effects 0.000 abstract description 4
- 238000010791 quenching Methods 0.000 description 6
- 238000007664 blowing Methods 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005496 tempering Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
이를 위해 본 발명은 (a) 예열과 본 가열을 수행하는 단계; (b) 상기 (a)단계 이후 송풍냉각을 수행하는 단계; (c) 상기 (b)단계 이후 교반하면서 유냉을 수행하는 단계; (d) 상기 (c)단계의 교반을 정지한 채 유냉을 수행하는 단계; (e) 상기 (d)단계 이후 항온처리를 수행하는 단계; 및 (f) 상기 (e)단계 이후 상온냉각을 수행하는 단계를 포함하는 것을 특징으로 하는 공구강의 열처리 방법을 제공한다.
Description
도 2는 본 발명의 바람직한 실시예에 따른 열처리 방법의 그래프,
도 3은 도 2 중 교반에 의한 유냉 후 정지 단계의 상세 그래프,
도 4는 도 2 중 마르텐사이트 시작점 인상 단계의 상세 그래프,
도 5는 도 2 중 항온처리 단계의 상세 그래프이다.
Claims (3)
- (a) 예열과 본 가열을 수행하는 단계;
(b) 상기 (a)단계 이후 송풍냉각을 수행하는 단계;
(c) 상기 (b)단계 이후 교반하면서 유냉을 수행하는 단계;
(d) 상기 (c)단계의 교반을 정지한 채 유냉을 수행하는 단계;
(e) 상기 (d)단계 이후 항온처리를 수행하는 단계; 및
(f) 상기 (e)단계 이후 상온냉각을 수행하는 단계
를 포함하는 것을 특징으로 하는 공구강의 열처리 방법. - 제1항에 있어서,
상기 (d)단계 이후 마르텐사이트(Ms) 변태의 시작점에서 열처리 대상물을 인상(lift)시킨 후 상기 (e)단계를 수행하는 것을 특징으로 하는 공구강의 열처리 방법. - 제1항에 있어서,
상기 (c)단계와 (d)단계는 임계온도에 도달하기까지는 상기 (c)단계를 통해 냉각시키고, 상기 임계온도 이하에서는 상기 (d)단계를 통해 상기 (c)단계에 비해 상대적으로 서냉시키는 것을 특징으로 하는 공구강의 열처리 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120147554A KR101251150B1 (ko) | 2012-12-17 | 2012-12-17 | 공구강의 열처리 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120147554A KR101251150B1 (ko) | 2012-12-17 | 2012-12-17 | 공구강의 열처리 방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR101251150B1 true KR101251150B1 (ko) | 2013-04-05 |
Family
ID=48442434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020120147554A Expired - Fee Related KR101251150B1 (ko) | 2012-12-17 | 2012-12-17 | 공구강의 열처리 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101251150B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109262203A (zh) * | 2018-08-17 | 2019-01-25 | 五莲大地精工钢球有限公司 | 一种耐冲击合金工具钢钢球的制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950004774B1 (ko) * | 1992-11-17 | 1995-05-10 | 한국종합기계주식회사 | 크롬(Cr)강의 담금질 방법 |
JPH08225830A (ja) * | 1995-12-28 | 1996-09-03 | Nichiei Kozai Kk | 熱間ダイス鋼からなる金型の焼入れ法 |
-
2012
- 2012-12-17 KR KR1020120147554A patent/KR101251150B1/ko not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950004774B1 (ko) * | 1992-11-17 | 1995-05-10 | 한국종합기계주식회사 | 크롬(Cr)강의 담금질 방법 |
JPH08225830A (ja) * | 1995-12-28 | 1996-09-03 | Nichiei Kozai Kk | 熱間ダイス鋼からなる金型の焼入れ法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109262203A (zh) * | 2018-08-17 | 2019-01-25 | 五莲大地精工钢球有限公司 | 一种耐冲击合金工具钢钢球的制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105483586B (zh) | 一种提高tc18钛合金组织性能的锻造方法 | |
CN103602798A (zh) | 一种高硬度半钢轧辊的热处理方法 | |
JP2014237886A (ja) | 熱処理設備及び熱処理方法 | |
JP5105235B2 (ja) | 金型の焼入れ方法 | |
JP2014524979A (ja) | 鋼板ブランクを熱成形及び焼入れする方法 | |
KR101251150B1 (ko) | 공구강의 열처리 방법 | |
CN107442721A (zh) | 一种模具的热锻造工艺 | |
CN101367606B (zh) | 4.0mm钢化玻璃的钢化加工方法 | |
US10926359B2 (en) | Carbide saw blade and welding method thereof | |
CN103667619B (zh) | Cr5MoV冷作模具钢的亚温淬火工艺 | |
JP5482539B2 (ja) | 連続式熱処理炉の炉温決定方法 | |
CN104357631B (zh) | 一种消除300m钢低倍组织缺陷的热处理方法 | |
CN109207709B (zh) | 一种初轧机轧制纯铁扁钢的加热方法 | |
JP2006342377A (ja) | 大物金型の焼入れ方法 | |
CN114164321A (zh) | 一种高频淬火系统及工艺 | |
JP5050436B2 (ja) | 合金鋼の製造方法 | |
KR101735336B1 (ko) | 열처리 생략에 적합한 경도저감을 위한 압연 강재의 제어압연 및 제어냉각 방법 | |
JP6241721B2 (ja) | 金型の焼入方法 | |
CN107138523A (zh) | 一种tb9钛合金丝棒材及其轧制方法 | |
CN106755789A (zh) | 高铬铸铁的热处理工艺 | |
KR101767775B1 (ko) | 페라이트계 스테인리스 열연코일의 제조방법 | |
CN106808153A (zh) | 轴承垫圈的加工工艺 | |
CZ307645B6 (cs) | Způsob výroby součástí z ocelí | |
CN109136487A (zh) | 一种钢板的退火方法 | |
KR101137490B1 (ko) | 링형 가공품의 열처리 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
A302 | Request for accelerated examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20121217 |
|
PA0201 | Request for examination | ||
PA0302 | Request for accelerated examination |
Patent event date: 20121217 Patent event code: PA03022R01D Comment text: Request for Accelerated Examination |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20130109 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20130326 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20130329 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20130329 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
FPAY | Annual fee payment |
Payment date: 20160329 Year of fee payment: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20160329 Start annual number: 4 End annual number: 4 |
|
FPAY | Annual fee payment |
Payment date: 20170125 Year of fee payment: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20170125 Start annual number: 5 End annual number: 5 |
|
FPAY | Annual fee payment |
Payment date: 20180124 Year of fee payment: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20180124 Start annual number: 6 End annual number: 6 |
|
FPAY | Annual fee payment |
Payment date: 20190305 Year of fee payment: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20190305 Start annual number: 7 End annual number: 7 |
|
FPAY | Annual fee payment |
Payment date: 20200204 Year of fee payment: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20200204 Start annual number: 8 End annual number: 8 |
|
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20220109 |