CN106011851A - 耐磨性较好、硬度较高且可控制整体变形的高速齿轮变速箱体的激光修复工艺 - Google Patents
耐磨性较好、硬度较高且可控制整体变形的高速齿轮变速箱体的激光修复工艺 Download PDFInfo
- Publication number
- CN106011851A CN106011851A CN201610598157.8A CN201610598157A CN106011851A CN 106011851 A CN106011851 A CN 106011851A CN 201610598157 A CN201610598157 A CN 201610598157A CN 106011851 A CN106011851 A CN 106011851A
- Authority
- CN
- China
- Prior art keywords
- speed
- percent
- laser
- gear box
- layer
- 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.)
- Withdrawn
Links
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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
- C23C24/106—Coating with metal alloys or metal elements only
-
- 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
Abstract
本发明涉及一种耐磨性较好、硬度较高且可控制整体变形的高速齿轮变速箱体的激光修复工艺,具体步骤如下:A.对齿轮变速箱表面进行处理,并进行失效分析;B.对齿轮变速箱体进行预热,同时对箱体的待修复部位进行180‑220℃局部预热;C.根据失效分析的结果,优化工艺参数,进行逐层激光熔覆,从箱体表面的最低点开始激光熔覆,每层熔覆层的厚度小于或等于0.3mm,后一层熔覆层覆盖在前一层熔覆层上;所采用的合金粉末的组分及重量百分比含量为C:0.5‑1.0%,Cr:19‑23%,Si:2.0‑5.0%,B:1.5‑2.0%,W:3.0‑5.0%,Ni:12‑14%,其余为Fe;D.进行检测。本发明只需对箱体进行200℃去油处理,不需要预热较高的温度,控制了整体变形,从而可以减小除熔覆部位以外的组织性能影响,并减小熔覆变形。
Description
技术领域
本发明涉及工业齿轮变速箱的激光熔覆工艺,具体为一种高速齿轮变速箱体的激光修复工艺。
背景技术
工业中传动器在每个行业都应用,齿轮变速箱在传动中承受极大扭力时会给变速箱轴承位产生偏向磨损,导致失效,国内钢厂每年因变速箱损伤导致的齿轮、轴承等失效直接经济损失千万元。而变速箱的设计和制造通常是用铸钢和板件的组合拼接件,而铸铁和铸钢件的焊接性极差,采用普通的堆焊方式极易导致箱体的变形和焊接裂纹,使修复效果失败。
发明内容
本发明所要解决的技术问题是提供一种高速齿轮变速箱体的激光修复工艺,该工艺不需要预热较高的温度,控制了整体变形。
为解决上述技术问题,本发明提供了一种高速齿轮变速箱体的激光修复工艺,具体步骤如下:
A.对需要进行修复的齿轮变速箱表面进行处理,并进行失效分析;
B.对齿轮变速箱体进行预热,同时对箱体的待修复部位进行180-220℃局部预热;
C.根据失效分析的结果,优化工艺参数,进行逐层激光熔覆,从箱体表面的最低点开始激光熔覆,每层熔覆层的厚度小于或等于0.3mm,后一层熔覆层覆盖在前一层熔覆层上;
采用预置送粉的方式,以快速横流二氧化碳激光器为光源对齿轮进行连续搭接扫描;激光功率为1.8-2.0KW,标高为260mm 至280mm,光斑尺寸为10mm×1.8mm,扫描速度为110mm/min 至130mm/min,搭接量为6.5mm,送粉量为10g/min 至14g/min ;所采用的合金粉末的组分及重量百分比含量为C:0.5-1.0%,Cr:19-23%,Si:2.0-5.0%,B:1.5-2.0%, W:3.0-5.0%, Ni:12-14%,其余为Fe;
D.进行检测。
所述步骤A 是将齿轮变速箱上的灰尘、油污、锈蚀清除;检测箱体各部位的尺寸,确定失效部位及其磨损量,确定箱体变形量;去除齿轮变速箱体失效部位的疲劳层1mm 至2mm,并进行清洗。
所述步骤D 是检测齿轮变速箱表面硬度;检测箱体变形量;对箱体表面进行机械加工;进行探伤、校验。
本发明的技术效果:本发明利用激光独具的单色性、相干性、方向性和高亮度的特点,通过制定的激光熔覆工艺,用具有高的耐磨性和湿润性的铁基合金粉末对产品表面熔覆。只对箱体200℃去油处理而不需要预热较高的温度,控制了整体变形,由于激光加工技术是急热急冷的过程,对基体的热量输入少,从而可以减小对熔覆部位以外的组织性能的影响,并减小熔覆变形,熔覆后表面硬度达30-40HRC,耐磨性好、无裂纹、气孔等缺陷。
具体实施方式
本实施例的高速齿轮变速箱体的激光修复工艺,具体步骤如下:
A.对需要进行修复的齿轮变速箱表面进行处理,并进行失效分析;
B.对齿轮变速箱体进行预热,同时对箱体的待修复部位进行200℃局部预热;
C.根据失效分析的结果,优化工艺参数,进行逐层激光熔覆,从箱体表面的最低点开始激光熔覆,每层熔覆层的厚度小于或等于0.3mm,后一层熔覆层覆盖在前一层熔覆层上;
采用预置送粉的方式,以快速横流二氧化碳激光器为光源对齿轮进行连续搭接扫描;激光功率为1.9KW,标高为270mm,光斑尺寸为10mm×1.8mm,扫描速度为120mm/min,搭接量为6.5mm,送粉量为12g/min ;所采用的合金粉末的组分及重量百分比含量为C:0.5%,Cr:23%,Si: 5.0%, B: 2.0%, W:3.0%, Ni:12%,其余为Fe;
D.进行检测。
所述步骤A 是将齿轮变速箱上的灰尘、油污、锈蚀清除;检测箱体各部位的尺寸,确定失效部位及其磨损量,确定箱体变形量;去除齿轮变速箱体失效部位的疲劳层2mm,并进行清洗。
所述步骤D 是检测齿轮变速箱表面硬度;检测箱体变形量;对箱体表面进行机械加工;进行探伤、校验。
经检测,齿轮变速箱经激光修复后,表面硬度达38HRC。
显然,上述实施例仅仅是为清楚地说明本发明所作的举例,而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说,在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而这些属于本发明的精神所引伸出的显而易见的变化或变动仍处于本发明的保护范围之中。
Claims (1)
1.一种高速齿轮变速箱体的激光修复工艺,其特征在于:具体步骤如下:
A.对需要进行修复的齿轮变速箱表面进行处理,并进行失效分析;
B.对齿轮变速箱体进行预热,同时对箱体的待修复部位进行220℃局部预热;
C.根据失效分析的结果,优化工艺参数,进行逐层激光熔覆,从箱体表面的最低点开始激光熔覆,每层熔覆层的厚度等于0.3mm,后一层熔覆层覆盖在前一层熔覆层上;
采用预置送粉的方式,以快速横流二氧化碳激光器为光源对齿轮进行连续搭接扫描;激光功率为1.9KW,标高为260mm 至280mm,光斑尺寸为10mm×1.8mm,扫描速度为110mm/min至130mm/min,搭接量为6.5mm,送粉量为12g/min ;所采用的合金粉末的组分及重量百分比含量为C:0.5-1.0%,Cr:19-23%,Si:2.0-5.0%,B:1.5-2.0%, W:3.0-5.0%, Ni:12-14%,其余为Fe;
D.进行检测。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610598157.8A CN106011851A (zh) | 2013-06-28 | 2013-06-28 | 耐磨性较好、硬度较高且可控制整体变形的高速齿轮变速箱体的激光修复工艺 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310264369.9A CN104250803B (zh) | 2013-06-28 | 2013-06-28 | 高速齿轮变速箱体的激光修复工艺 |
CN201610598157.8A CN106011851A (zh) | 2013-06-28 | 2013-06-28 | 耐磨性较好、硬度较高且可控制整体变形的高速齿轮变速箱体的激光修复工艺 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310264369.9A Division CN104250803B (zh) | 2013-06-28 | 2013-06-28 | 高速齿轮变速箱体的激光修复工艺 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106011851A true CN106011851A (zh) | 2016-10-12 |
Family
ID=52186044
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610597927.7A Withdrawn CN106011849A (zh) | 2013-06-28 | 2013-06-28 | 一种高速齿轮变速箱体的激光修复工艺 |
CN201610597924.3A Withdrawn CN106119834A (zh) | 2013-06-28 | 2013-06-28 | 耐磨性好的高速齿轮变速箱体的激光修复工艺 |
CN201610598158.2A Withdrawn CN106222651A (zh) | 2013-06-28 | 2013-06-28 | 耐磨性较好、硬度较高的高速齿轮变速箱体的激光修复工艺 |
CN201610597928.1A Withdrawn CN106011850A (zh) | 2013-06-28 | 2013-06-28 | 高速齿轮变速箱体的激光修复工艺 |
CN201310264369.9A Active CN104250803B (zh) | 2013-06-28 | 2013-06-28 | 高速齿轮变速箱体的激光修复工艺 |
CN201610598157.8A Withdrawn CN106011851A (zh) | 2013-06-28 | 2013-06-28 | 耐磨性较好、硬度较高且可控制整体变形的高速齿轮变速箱体的激光修复工艺 |
Family Applications Before (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610597927.7A Withdrawn CN106011849A (zh) | 2013-06-28 | 2013-06-28 | 一种高速齿轮变速箱体的激光修复工艺 |
CN201610597924.3A Withdrawn CN106119834A (zh) | 2013-06-28 | 2013-06-28 | 耐磨性好的高速齿轮变速箱体的激光修复工艺 |
CN201610598158.2A Withdrawn CN106222651A (zh) | 2013-06-28 | 2013-06-28 | 耐磨性较好、硬度较高的高速齿轮变速箱体的激光修复工艺 |
CN201610597928.1A Withdrawn CN106011850A (zh) | 2013-06-28 | 2013-06-28 | 高速齿轮变速箱体的激光修复工艺 |
CN201310264369.9A Active CN104250803B (zh) | 2013-06-28 | 2013-06-28 | 高速齿轮变速箱体的激光修复工艺 |
Country Status (1)
Country | Link |
---|---|
CN (6) | CN106011849A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111876671A (zh) * | 2020-07-03 | 2020-11-03 | 无锡市源通传动科技有限公司 | 一种高抗冲击耐磨齿轮及其制备方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107779863A (zh) * | 2017-11-10 | 2018-03-09 | 泰尔重工股份有限公司 | 一种激光熔覆侧导板的制作方法以及激光熔覆侧导板 |
CN108754489A (zh) * | 2018-05-25 | 2018-11-06 | 金华华科激光科技有限公司 | 一种铁基激光熔覆粉末及激光熔覆该粉末的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102828182A (zh) * | 2012-09-20 | 2012-12-19 | 丹阳宏图激光科技有限公司 | 齿轮的激光熔覆修复工艺 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102719822A (zh) * | 2012-07-03 | 2012-10-10 | 昆明理工大学 | 一种同步送粉式激光熔覆的送粉方法及其装置 |
CN102732831B (zh) * | 2012-07-18 | 2014-01-15 | 丹阳宏图激光科技有限公司 | 汽车模具的激光修复工艺 |
-
2013
- 2013-06-28 CN CN201610597927.7A patent/CN106011849A/zh not_active Withdrawn
- 2013-06-28 CN CN201610597924.3A patent/CN106119834A/zh not_active Withdrawn
- 2013-06-28 CN CN201610598158.2A patent/CN106222651A/zh not_active Withdrawn
- 2013-06-28 CN CN201610597928.1A patent/CN106011850A/zh not_active Withdrawn
- 2013-06-28 CN CN201310264369.9A patent/CN104250803B/zh active Active
- 2013-06-28 CN CN201610598157.8A patent/CN106011851A/zh not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102828182A (zh) * | 2012-09-20 | 2012-12-19 | 丹阳宏图激光科技有限公司 | 齿轮的激光熔覆修复工艺 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111876671A (zh) * | 2020-07-03 | 2020-11-03 | 无锡市源通传动科技有限公司 | 一种高抗冲击耐磨齿轮及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN106222651A (zh) | 2016-12-14 |
CN106011849A (zh) | 2016-10-12 |
CN106011850A (zh) | 2016-10-12 |
CN104250803A (zh) | 2014-12-31 |
CN106119834A (zh) | 2016-11-16 |
CN104250803B (zh) | 2016-10-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103668036B (zh) | 硬度高且变形量小的阀座的激光熔覆修复工艺 | |
CN103668176A (zh) | 利于提高硬度与耐磨性的齿轮的激光熔覆修复工艺 | |
CN102052384B (zh) | 大型动力机械的轴及其轴颈表面的修复方法 | |
CN103343338A (zh) | 扩口模的激光修复方法 | |
CN103668175A (zh) | 利于减少堆焊应力和变形的薄壁套的激光熔覆修复工艺 | |
CN104250803B (zh) | 高速齿轮变速箱体的激光修复工艺 | |
CN105397243A (zh) | 厚规格耐磨钢板与高强度铸钢的焊接方法 | |
CN105088222A (zh) | 模具表面的激光熔覆修复方法 | |
CN102828181A (zh) | 十字轴的激光熔覆修复工艺 | |
CN108265290A (zh) | 一种天然气往复压缩机活塞杆的表面强化方法 | |
CN101112730A (zh) | 药芯焊丝气保焊焊修耐磨件的方法 | |
CN104148874B (zh) | 万能轧机立辊箱轴承座磨损后的手工电弧焊接修复方法 | |
Tanasković et al. | Repair welding of gear shafts of service rollers at Železara Smederevo | |
CN105779995A (zh) | 扁司轴套的激光修复工艺 | |
CN108637428B (zh) | 一种高强度齿圈类铸钢件缺陷焊补修复方法 | |
CN106567065A (zh) | 修复后表面具有很好的热硬性的热轧辊的激光修复方法 | |
CN108115351A (zh) | 一种扁头套内孔修复方法 | |
CN106567071A (zh) | 轧辊变形量较小的热轧辊的激光修复方法 | |
CN106567069A (zh) | 激光熔覆效果好的热轧辊的激光修复方法 | |
CN112981389A (zh) | 一种螺旋桨浆轴的激光修复方法 | |
CN103290408A (zh) | 落料模的激光修复方法 | |
CN103343339A (zh) | 拉深模的激光修复方法 | |
Saha et al. | On The Variation of Hardness of Duplex Stainless Steel Clad Layer Deposited By Flux-Cored-Cored Arc Welding | |
CN106567068A (zh) | 兼顾韧性及强度的热轧辊的激光修复方法 | |
CN106567070A (zh) | 修复后表面具有很好的耐磨性的热轧辊的激光修复方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161012 |
|
WW01 | Invention patent application withdrawn after publication |