CN106319301A - 一种空气过滤器用风扇叶片制备方法 - Google Patents

一种空气过滤器用风扇叶片制备方法 Download PDF

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CN106319301A
CN106319301A CN201610841751.5A CN201610841751A CN106319301A CN 106319301 A CN106319301 A CN 106319301A CN 201610841751 A CN201610841751 A CN 201610841751A CN 106319301 A CN106319301 A CN 106319301A
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fan blade
temperature
salt bath
risen
aluminum
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谢爱兵
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Anhui Lei Feng Refrigeration Engineering Co Ltd
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Anhui Lei Feng Refrigeration Engineering Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/17—Alloys
    • F05D2300/173—Aluminium alloys, e.g. AlCuMgPb
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/506—Hardness

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

本发明公开了一种空气过滤器用风扇叶片制备方法，包括有以下工艺步骤：该风扇叶片铸件合金成分及重量百分比为：C0.14~0.24%，Si1.3~1.7%，Cr1.65~1.95%，Fe1.05~1.25%，P0.005~0.09%，Ni0.35~0.75%，V0.12~0.22%，Ti0.12~0.2%，W0.05~0.12%，Co0.07~0.13%，Re0.25~0.35%，Pb0.05~0.15%，余量为铝；本发明该风扇叶片合金成分配比科学合理，经过对铝合金风扇叶片盐浴处理，同时耐磨性和强度较高，大大延长了使用寿命，降低了制造成本，满足了企业的需求。

Description

一种空气过滤器用风扇叶片制备方法
技术领域
本发明涉及铝合金领域，具体属于一种空气过滤器用风扇叶片制备方法。
背景技术
空气净化器的外形构成主要是机箱外壳、过滤段、风道设计、电机、电源、液晶显示屏等。决定寿命的是电机，决定净化效能的是过滤段，决定是否安静的是风道设计、机箱外壳、过滤段、电机。
现有的风扇叶片热处理工艺普遍存在易变形、脆性较大和易氧化腐蚀的缺陷，导致制动圆销工件在热处理工艺过程中，表面被氧化，使其表层含碳量下降，形成表面脱碳层。而脱碳会使工件表面的临界冷却速度增大，在淬火时有可能发生奥氏体组织分解；即使奥氏体不分解，淬火后获得的马氏体组织也会因含碳量过低，影响工件的表面硬度与耐磨性。
因此，为解决上述问题，特提供一种新的技术方案。
发明内容
本发明的目的是提供一种空气过滤器用风扇叶片制备方法，该风扇叶片合金成分配比科学合理，经过对铝合金风扇叶片盐浴处理，同时耐磨性和强度较高，大大延长了使用寿命，降低了制造成本，满足了企业的需求。
本发明采用的技术方案如下：
一种空气过滤器用风扇叶片制备方法，包括有以下工艺步骤：
1）、该风扇叶片铸件合金成分及重量百分比为：C0.14~0.24%，Si1.3~1.7%，Cr1.65~1.95%，Fe1.05~1.25%，P0.005~0.09%，Ni0.35~0.75%，V0.12~0.22%，Ti0.12~0.2%，W0.05~0.12%，Co0.07~0.13%，Re0.25~0.35%，Pb0.05~0.15%，余量为铝；
2）、然后将风扇叶片铸件进行机械加工，加工后进行盐浴淬火，盐浴处理温度为220-230℃，盐浴处理保温时间为1.9-2.2h，熔盐各成分重量比为：纯碱20-22份、氯化镁10-12份、磷酸铜4-6份、硝酸镁4.5-6.5份；
3）、最后风扇叶片放在可编程烘箱中烘干，将温度从常温上升到400℃，用时30-45min；将温度从400℃上升到550℃，用时65s；再将温度从550℃上升到610℃，用时32s；即得风扇叶片成品。
空气过滤器用风扇叶片铸件合金成分及重量百分比为：C0.19%，Si1.5%，Cr1.8%，Fe1.15%，P0.007%，Ni0.55%，V0.17%，Ti0.16%，W0.08%，Co0.1%，Re0.3%，Pb0.1%，余量为铝。
本发明的风扇叶片合金成分配比科学合理，经过对铝合金风扇叶片盐浴处理，同时耐磨性和强度较高，大大延长了使用寿命，降低了制造成本，满足了企业的需求。经过本发明热处理工艺后，表面组织为针状马氏体和少量残余奥氏体，组织细小均匀，因而组织具有较高的硬度和较好的耐磨性；心部为粒状贝氏体、板条马氏体和铁素体，势必使心部硬度控制在合适的范围内，并具有很高的抗冲击性。
具体实施方式
一种空气过滤器用风扇叶片制备方法，包括有以下工艺步骤：
1）、该风扇叶片铸件合金成分及重量百分比为：C0.19%，Si1.5%，Cr1.8%，Fe1.15%，P0.007%，Ni0.55%，V0.17%，Ti0.16%，W0.08%，Co0.1%，Re0.3%，Pb0.1%，余量为铝；
2）、然后将风扇叶片铸件进行机械加工，加工后进行盐浴淬火，盐浴处理温度为225℃，盐浴处理保温时间为2.05h，熔盐各成分重量比为：纯碱21份、氯化镁11份、磷酸铜5份、硝酸镁5.5份；
3）、最后风扇叶片放在可编程烘箱中烘干，将温度从常温上升到400℃，用时37min；将温度从400℃上升到550℃，用时65s；再将温度从550℃上升到610℃，用时32s；即得风扇叶片成品。
本发明空气过滤器用风扇叶片表面硬度HRC34～45，心部硬度HRC40～42，夏比V型缺口试样冲击功（AKV）≥130J。渗碳后采用快速淬火的方法使表面组织有效的转化为马氏体，得以硬化；而心部组织有相对缓慢的冷却速度，使合金的心部保持了较高的韧性。使合金模具具有较高的表面硬度和耐磨性，心部又具有较好韧性和抗冲击性，进而提高了使用寿命。

Claims (2)

1.一种空气过滤器用风扇叶片制备方法，其特征在于，包括有以下工艺步骤：
1）、该风扇叶片铸件合金成分及重量百分比为：C0.14~0.24%，Si1.3~1.7%，Cr1.65~1.95%，Fe1.05~1.25%，P0.005~0.09%，Ni0.35~0.75%，V0.12~0.22%，Ti0.12~0.2%，W0.05~0.12%，Co0.07~0.13%，Re0.25~0.35%，Pb0.05~0.15%，余量为铝；
2）、然后将风扇叶片铸件进行机械加工，加工后进行盐浴淬火，盐浴处理温度为220-230℃，盐浴处理保温时间为1.9-2.2h，熔盐各成分重量比为：纯碱20-22份、氯化镁10-12份、磷酸铜4-6份、硝酸镁4.5-6.5份；
3）、最后风扇叶片放在可编程烘箱中烘干，将温度从常温上升到400℃，用时30-45min；将温度从400℃上升到550℃，用时65s；再将温度从550℃上升到610℃，用时32s；即得风扇叶片成品。
2.根据权利要求1所述的空气过滤器用风扇叶片制备方法，其特征在于，该铝合金风机叶片铸件合金成分及重量百分比为：C0.19%，Si1.5%，Cr1.8%，Fe1.15%，P0.007%，Ni0.55%，V0.17%，Ti0.16%，W0.08%，Co0.1%，Re0.3%，Pb0.1%，余量为铝。
CN201610841751.5A 2016-09-23 2016-09-23 一种空气过滤器用风扇叶片制备方法 Pending CN106319301A (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102286682A (zh) * 2011-08-24 2011-12-21 吴江市精工铝字制造厂 一种高强度硬铝合金
CN103898377A (zh) * 2014-03-26 2014-07-02 安徽家园铝业有限公司 一种高耐磨铝合金型材及其制备方法
CN104959393A (zh) * 2015-07-20 2015-10-07 东北轻合金有限责任公司 一种高质量航空叶片用铝合金热挤压棒材的制造方法
CN105543664A (zh) * 2015-12-28 2016-05-04 合肥中澜新材料科技有限公司 一种滚子轴承用耐磨滚子制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102286682A (zh) * 2011-08-24 2011-12-21 吴江市精工铝字制造厂 一种高强度硬铝合金
CN103898377A (zh) * 2014-03-26 2014-07-02 安徽家园铝业有限公司 一种高耐磨铝合金型材及其制备方法
CN104959393A (zh) * 2015-07-20 2015-10-07 东北轻合金有限责任公司 一种高质量航空叶片用铝合金热挤压棒材的制造方法
CN105543664A (zh) * 2015-12-28 2016-05-04 合肥中澜新材料科技有限公司 一种滚子轴承用耐磨滚子制备方法

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Application publication date: 20170111