KR970070215A - Manufacturing method of titanium exhaust valve for automobile - Google Patents

Manufacturing method of titanium exhaust valve for automobile Download PDF

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Publication number
KR970070215A
KR970070215A KR1019960010248A KR19960010248A KR970070215A KR 970070215 A KR970070215 A KR 970070215A KR 1019960010248 A KR1019960010248 A KR 1019960010248A KR 19960010248 A KR19960010248 A KR 19960010248A KR 970070215 A KR970070215 A KR 970070215A
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KR
South Korea
Prior art keywords
manufacturing
titanium
automobile
exhaust valve
hours
Prior art date
Application number
KR1019960010248A
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Korean (ko)
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KR100193225B1 (en
Inventor
김상호
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김영귀
기아자동차 주식회사
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Priority to KR1019960010248A priority Critical patent/KR100193225B1/en
Publication of KR970070215A publication Critical patent/KR970070215A/en
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Publication of KR100193225B1 publication Critical patent/KR100193225B1/en

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Abstract

본 발명은 밸브 제조 방법에 관한 것으로서, 보다 상세하게는 자동차용 티타늄 흡기 밸브의 제조 방법에 관한 것이다.The present invention relates to a valve manufacturing method, and more particularly, to a method of manufacturing a titanium intake valve for an automobile.

본 발명의 목적 티타늄 흡기 밸브의 신뢰성을 향상시킬 수 있는 제조 방법을 제공함에 있다.The object of the present invention is to provide a manufacturing method capable of improving the reliability of the titanium intake valve.

본 발명의 티타늄 흡기 밸브 제조시 1000℃~1200℃온도 구간에서 단조를 실시하고 ε/s값을 5/s 이하로 유지하여, 풀림시 980℃로 2시간 유지한 후 공랭시키고, 550℃~600℃ 구간에서 2시간 가열한 후 공냉하여 뜨임 처리한다.In the production of the titanium intake valve of the present invention, forging is carried out at a temperature range of 1000 ° C to 1200 ° C and the ε / s value is maintained at 5 / s or lower, maintained at 980 ° C for 2 hours, ° C for 2 hours and tempered by air cooling.

Description

자동차용 티타늄 배기 밸브 제조 방법Manufacturing method of titanium exhaust valve for automobile

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 본 발명에 따른 시간당 스트레인을 도시한 그래프, 제2도는 본 발명에 따른 풀림 처리 상태를 도시한 그래프, 제3도는 본 발명에 따른 뜨임 처리 상태를 도시한 그래프.FIG. 1 is a graph showing strain per hour according to the present invention, FIG. 2 is a graph showing a annealing treatment state according to the present invention, and FIG. 3 is a graph showing a tempering treatment state according to the present invention.

Claims (1)

티타늄 흡기 밸브 제조시 1000℃~1200℃온도 구간에서 단조를 실시하고 ε/s값을 5/s이하로 유지하여, 풀림시 980℃로 2시간 유지한 후 공랭시키고, 550℃~600℃구간에서 2시간 가열한 후 공냉하여 뜨임 처리하는 것을 특징으로 하는 티타늄 흡기 밸브 제조 방법.In the production of the titanium intake valve, forging is performed in a temperature range of 1000 ° C. to 1200 ° C., the ε / s value is maintained at 5 / s or less, the temperature is maintained at 980 ° C. for 2 hours and then the air is cooled at 550 ° C. to 600 ° C. And the mixture is heated for 2 hours and then tempered by air cooling. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960010248A 1996-04-04 1996-04-04 Manufacturing method of automotive titanium exhaust valve KR100193225B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960010248A KR100193225B1 (en) 1996-04-04 1996-04-04 Manufacturing method of automotive titanium exhaust valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960010248A KR100193225B1 (en) 1996-04-04 1996-04-04 Manufacturing method of automotive titanium exhaust valve

Publications (2)

Publication Number Publication Date
KR970070215A true KR970070215A (en) 1997-11-07
KR100193225B1 KR100193225B1 (en) 1999-06-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960010248A KR100193225B1 (en) 1996-04-04 1996-04-04 Manufacturing method of automotive titanium exhaust valve

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KR (1) KR100193225B1 (en)

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Publication number Publication date
KR100193225B1 (en) 1999-06-15

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