JP2007239087A5 - Induction hardening method, machine member, rolling member and method of manufacturing machine member - Google Patents
Induction hardening method, machine member, rolling member and method of manufacturing machine member Download PDFInfo
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- JP2007239087A5 JP2007239087A5 JP2006067486A JP2006067486A JP2007239087A5 JP 2007239087 A5 JP2007239087 A5 JP 2007239087A5 JP 2006067486 A JP2006067486 A JP 2006067486A JP 2006067486 A JP2006067486 A JP 2006067486A JP 2007239087 A5 JP2007239087 A5 JP 2007239087A5
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Claims (7)
前記被処理物の温度が調節される温度制御工程と、
前記被処理物において、圧縮応力を付与すべき部位である応力付与部がＡ１点以上の温度である高温焼入温度に加熱されており、かつ前記応力付与部以外の部位である焼入制御部がＡ１点以上の温度であって、前記高温焼入温度よりも低い温度である低温焼入温度に加熱されている状態から、前記被処理物をＭＳ点以下の温度に冷却する焼入制御工程とを備えた、高周波焼入方法。 In this induction hardening method, the object to be treated is quench-hardened by heating the entire object to be treated by high frequency heating and cooling it from the temperature of A 1 point or more to the temperature of M S point or less,
A temperature control step in which the temperature of the object is adjusted;
In the object to be treated, a stress applying portion which is a portion to which a compressive stress is to be applied is heated to a high temperature quenching temperature which is a temperature of 1 point or more, and quenching control which is a portion other than the stress applying portion. part is a temperature not lower than 1 point a, cooling from the state of being heated to the a temperature lower than the high-temperature hardening temperature low quenching temperature, the object to be treated to a temperature below M S point baked Induction hardening method comprising the following steps:
前記被処理物の温度が測定される温度制御用測温工程と、
前記温度制御用測温工程において測定された温度の情報に基づき、前記被処理物の加熱状態を制御するための温度制御信号が出力される温度調節工程と、
前記温度制御信号に基づいて、前記高周波加熱により前記被処理物が加熱される加熱工程とを含み、
前記焼入制御工程は、
前記被処理物の前記応力付与部および前記焼入制御部の温度が測定される焼入用測温工程と、
前記焼入用測温工程において測定された温度の情報に基づき、前記応力付与部が前記高温焼入温度に加熱され、かつ前記焼入制御部が前記低温焼入温度に加熱されるように加熱時間が調節され、前記被処理物が冷却されるべきタイミングが決定されて冷却開始信号が出力される冷却タイミング調節工程と、
前記冷却開始信号に基づいて、前記被処理物が冷却されることにより前記被処理物が焼入硬化される冷却工程とを含む、請求項１に記載の高周波焼入方法。 The temperature control step is
A temperature control process for temperature control in which the temperature of the object is measured;
A temperature control step of outputting a temperature control signal for controlling the heating state of the object based on the information of the temperature measured in the temperature control temperature measurement step;
And a heating step of heating the object by the high frequency heating based on the temperature control signal.
The hardening control process is
A temperature measuring process for quenching, in which the temperatures of the stress applying unit and the quenching control unit of the object to be treated are measured;
The stress application unit is heated to the high temperature quenching temperature and the quenching control unit is heated to the low temperature quenching temperature based on the information of the temperature measured in the temperature measuring step for quenching. A cooling timing adjustment step in which the time is adjusted, the timing at which the object is to be cooled is determined, and a cooling start signal is output;
The induction hardening method according to claim 1, further comprising: a cooling step of quenching and hardening the object by cooling the object based on the cooling start signal.
前記被処理物の温度が調節される温度制御工程と、
前記被処理物において、圧縮応力を付与すべき部位である応力付与部がＡ１点以上の温度である焼入温度に加熱されており、かつ前記応力付与部以外の部位である焼入制御部が前記応力付与部よりも短い時間、前記焼入温度に加熱されている状態から、前記被処理物をＭＳ点以下の温度に冷却する焼入制御工程とを備えた、高周波焼入方法。 In this induction hardening method, the object to be treated is quench-hardened by heating the entire object to be treated by high frequency heating and cooling it from the temperature of A 1 point or more to the temperature of M S point or less,
A temperature control step in which the temperature of the object is adjusted;
In the object to be treated, a stress applying portion which is a portion to which a compressive stress is to be applied is heated to a quenching temperature which is a temperature of 1 point or more, and a quenching control portion which is a portion other than the stress applying portion. A quenching control step of cooling the object to be processed to a temperature equal to or lower than the MS point from a state in which the heating temperature is the quenching temperature for a time shorter than the stress applying portion.
前記被処理物の温度が測定される温度制御用測温工程と、
前記温度制御用測温工程において測定された温度の情報に基づき、前記被処理物の加熱状態を制御するための温度制御信号が出力される温度調節工程と、
前記温度制御信号に基づいて、前記高周波加熱により前記被処理物が加熱される加熱工程とを含み、
前記焼入制御工程は、
前記被処理物の前記応力付与部および前記焼入制御部の温度が測定される焼入用測温工程と、
前記焼入用測温工程において測定された温度の情報に基づき、前記応力付与部が前記焼入温度に加熱され、かつ前記焼入制御部が前記焼入温度に前記応力付与部よりも短い時間加熱されるように加熱時間が調節され、前記被処理物が冷却されるべきタイミングが決定されて冷却開始信号が出力される冷却タイミング調節工程と、
前記冷却開始信号に基づいて、前記被処理物が冷却されることにより前記被処理物が焼入硬化される冷却工程とを含む、請求項３に記載の高周波焼入方法。 The temperature control step is
A temperature control process for temperature control in which the temperature of the object is measured;
A temperature control step of outputting a temperature control signal for controlling the heating state of the object based on the information of the temperature measured in the temperature control temperature measurement step;
And a heating step of heating the object by the high frequency heating based on the temperature control signal.
The hardening control process is
A temperature measuring process for quenching, in which the temperatures of the stress applying unit and the quenching control unit of the object to be treated are measured;
The stress application unit is heated to the quenching temperature based on the information of the temperature measured in the temperature measuring process for quenching, and the quenching control unit is shorter than the stress application unit to the quenching temperature. A cooling timing adjustment step in which a heating time is adjusted to be heated, a timing at which the object is to be cooled is determined, and a cooling start signal is output;
The induction hardening method according to claim 3, further comprising: a cooling step of quenching and hardening the object by cooling the object based on the cooling start signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006067486A JP5311719B2 (en) | 2006-03-13 | 2006-03-13 | Induction hardening method, mechanical member, rolling member, and manufacturing method of mechanical member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006067486A JP5311719B2 (en) | 2006-03-13 | 2006-03-13 | Induction hardening method, mechanical member, rolling member, and manufacturing method of mechanical member |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007239087A JP2007239087A (en) | 2007-09-20 |
| JP2007239087A5 true JP2007239087A5 (en) | 2009-04-02 |
| JP5311719B2 JP5311719B2 (en) | 2013-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2006067486A Expired - Fee Related JP5311719B2 (en) | 2006-03-13 | 2006-03-13 | Induction hardening method, mechanical member, rolling member, and manufacturing method of mechanical member |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101809174B (en) | 2007-09-28 | 2012-04-11 | Ntn株式会社 | Quenching method and device of ring-shaped article |
| DE102018212775A1 (en) * | 2018-07-31 | 2020-02-06 | Aktiebolaget Skf | bearing ring |
| CN112795858B (en) * | 2020-12-28 | 2022-04-15 | 内蒙古千山重工有限公司 | Device for treating stress of automobile aluminum alloy hub by adopting electromagnetic energy aging method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0651888B2 (en) * | 1984-08-24 | 1994-07-06 | トヨタ自動車株式会社 | High-strength gear manufacturing method |
| JPS63230824A (en) * | 1987-03-20 | 1988-09-27 | Kawasaki Steel Corp | Heat treatment for sleeve roll |
| JPH05320741A (en) * | 1992-05-19 | 1993-12-03 | Komatsu Ltd | Induction heat treatment of cylindrical parts |
| JP3669547B2 (en) * | 1998-01-28 | 2005-07-06 | 高周波熱錬株式会社 | Induction hardening method |
| JP5319866B2 (en) * | 2004-05-24 | 2013-10-16 | 株式会社小松製作所 | Rolling member and manufacturing method thereof |
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