CN106756499A - 一种抗粘着耐磨损液压喷嘴的处理工艺 - Google Patents
一种抗粘着耐磨损液压喷嘴的处理工艺 Download PDFInfo
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Abstract
本发明公开了一种抗粘着耐磨损液压喷嘴的处理工艺,喷嘴表面镀有一层耐磨金属涂层,耐磨金属涂层的组分按质量百分比为:C:0.21‑0.23%,Mg:0.13‑0.17%,Cu:0.62‑0.65%,W:0.45‑0.48%,Ti:0.55‑0.58%,Cr:5.32‑5.35%,Ni:0.37‑0.39%,Mo:0.42‑0.45%,Co:0.23‑0.25%,Ca:3.42‑3.45%,稀土:11‑13%,其余为Fe和微量杂质;稀土中,按重量百分比包含以下组分:La:5.2‑5.5%,Ce:7.6‑7.8%,Pm:5.2‑5.6%,Nd:5.5‑5.8%,Eu:3.1‑3.3%,Sm:5.5‑5.8%,余量为Gd;本发明稀土通过三次加入,层层叠加,能促进稀土元素与金属元素的结合,提高整体强度,并且通过温度、时间和冷却等工序,确保稀土与喷嘴之间结合牢固,避免出现空隙,提高整体的强度。
Description
技术领域
本发明涉及一种抗粘着耐磨损液压喷嘴的处理工艺。
背景技术
随着液压行业的迅速发展,液压配件的种类也越来越多,其生产质量奖严重影响到设备的使用寿命,尤其是液压发动机出气法兰,现有的出气法兰经常在使用过程中受到严重的冲击而损坏,在使用过程中使用寿命短,磨损严重,增加成本。
发明内容
本发明所要解决的技术问题是,克服现有技术的缺点,提供一种抗粘着耐磨损液压喷嘴的处理工艺。
为了解决以上技术问题,本发明提供一种抗粘着耐磨损液压喷嘴的处理工艺,液压喷嘴的其化学成分的质量百分比为:C:0.25-0.35%,Si:0.85-1.25%,Mn:1.85-2.95%,P:0.04-0.05%,Ni:11-13%,Cr:16.5-17.5%,Nb:0.15-0.20%,Cu:0.85-0.95%,N:0.08-0.11%,Mo::2.15-2.95%,Al:0.2-0.3%,S:0.025-0.035%,Ti:0.03-0.04%,V:0.02-0.03%,B:0.002-0.004%,镧系稀土:3-5%,余量为Fe;
镧系稀土的组分质量百分比为:镧:20-24%,铈:20-25%,钐:14-16%,钕:14-16%,钆:2-4%,镨:16-18%,镝:5-6%,其余镧系元素:1-3%,以上各组分之和为100%;
喷嘴表面镀有一层耐磨金属涂层,耐磨金属涂层的组分按质量百分比为:C:0.21-0.23%,Mg:0.13-0.17%,Cu:0.62-0.65%,W:0.45-0.48%,Ti:0.55-0.58%,Cr:5.32-5.35%,Ni:0.37-0.39%,Mo:0.42-0.45%,Co:0.23-0.25%,Ca:3.42-3.45%,稀土:11-13%,其余为Fe和微量杂质;
稀土中,按重量百分比包含以下组分:La:5.2-5.5%,Ce:7.6-7.8%,Pm:5.2-5.6%,Nd:5.5-5.8%,Eu:3.1-3.3%,Sm:5.5-5.8%,余量为Gd;
喷嘴的内表面涂覆的涂料的制备工艺具体为:
步骤1,以重量份计,将海泡石纤维5份、酚醛树脂3份、羧基亚硝基氟橡胶1.8份、2-硫醇基苯骈噻唑2份加入搅拌机中,加热搅拌,冷却至室温,得混合物A;
步骤2,以重量份计,在步骤1所得混合物A中加入钢纤维3份、石墨0.8份、白炭黑2.4份、硫酸钡3份、硼酸正丁酯4份、二苯基硅二醇2份,通入CO2,混合,得混合物B;
步骤3,将步骤2所得混合物B热处理后,在高温真空炉中进行烧结,并研磨至细度达到43μm即得。
本发明进一步限定的技术方案是:
进一步的,前述的抗粘着耐磨损液压喷嘴的处理工艺,耐磨金属涂层的组分按质量百分比为:C:0.21%,Mg:0.13%,Cu:0.62%,W:0.45%,Ti:0.55%,Cr:5.32%,Ni:0.37%,Mo:0.42%,Co:0.23%,Ca:3.42%,稀土:11%,其余为Fe和微量杂质;
稀土中,按重量百分比包含以下组分:La:5.2%,Ce:7.6%,Pm:5.2%,Nd:5.5%,Eu:3.1%,Sm:5.5%,余量为Gd。
前述的抗粘着耐磨损液压喷嘴的处理工艺,耐磨金属涂层的组分按质量百分比为:C:0.23%,Mg:0.17%,Cu:0.65%,W:0.48%,Ti:0.58%,Cr:5.35%,Ni:0.39%,Mo:0.45%,Co:0.25%,Ca:3.45%,稀土:13%,其余为Fe和微量杂质;
稀土中,按重量百分比包含以下组分:La:5.5%,Ce:7.8%,Pm:5.6%,Nd:5.8%,Eu:3.3%,Sm:5.8%,余量为Gd。
前述的抗粘着耐磨损液压喷嘴的处理工艺,耐磨金属涂层的制备方法按以下步骤进行:
步骤(1):先将稀土分为三份,第一份为稀土总量的2/5,第二份为稀土总量的2/5,第三份为稀土总量的1/5,将C、Mg、Cu、W、Ti、Cr、Ni、Mo、Co、Ca、Fe放入反应炉中,加热至1200-1250℃,保温5-8小时,然后空冷至450-460℃,然后再次加热至770-790℃,保温30-45min,然后空冷至室温,然后将金属块放入球磨机中粉碎,过100目数,得金属粉末A;
步骤(2):将步骤1中的金属粉末A与第一份稀土混合均匀,利用喷涂设备喷涂至钢板表面,厚度为0.22-0.25mm,然后加热至800-890℃,保温5-8小时,然后空冷至室温,然后再将钢板加热至300-350℃,将第二份稀土均匀的喷涂至钢板表面表面,然后加热至600-650℃,保温30-60min,然后迅速放入冷却油中快速冷却,待冷却至310-330℃迅速取出,然后再次加热至400-450℃,保温5-8小时,然后将第三份稀土均匀的喷涂至钢板表面表面,然后加热至680-720℃,保温15-30min,然后采用风冷,以10-15℃/min的速度冷却至280-290℃,然后空冷至室温即可;
步骤(3):将钢板进行第一次热处理:将钢板加热到620-630℃,保温11-13h,然后用风冷以1-3℃/s的速度冷却到室温,然后再加热至480-520℃,保温1-3小时,然后采用水冷,以15-18℃/min的速度冷却至220-250℃,然后保温5-8小时,最后空冷至室温,然后清洗表面,检验尺寸即可。
本发明的有益效果是:耐磨金属涂层中加入了Cu元素能增加耐磨金属涂层表面的强度和抗氧化性能,提高使用寿命;加入Mg元素能改善其焊接性能,增加其抗腐蚀性能和强度;加入Cr、Ni元素形成镍铬合金涂层,增加钢板表面的抗腐蚀作用,并且耐摩擦性能和耐高温性能显著提高,增加其使用寿命,并且还加入了稀土元素,稀土通过三次加入,层层叠加,能促进稀土元素与金属元素的结合,提高整体强度,并且通过温度、时间和冷却等工序,确保稀土与钢板之间结合牢固,避免出现空隙,提高整体的强度。
具体实施方式
实施例1
本实施例提供的一种抗粘着耐磨损液压喷嘴的处理工艺,液压喷嘴的其化学成分的质量百分比为:C:0.25-0.35%,Si:0.85-1.25%,Mn:1.85-2.95%,P:0.04-0.05%,Ni:11-13%,Cr:16.5-17.5%,Nb:0.15-0.20%,Cu:0.85-0.95%,N:0.08-0.11%,Mo::2.15-2.95%,Al:0.2-0.3%,S:0.025-0.035%,Ti:0.03-0.04%,V:0.02-0.03%,B:0.002-0.004%,镧系稀土:3-5%,余量为Fe;
镧系稀土的组分质量百分比为:镧:20-24%,铈:20-25%,钐:14-16%,钕:14-16%,钆:2-4%,镨:16-18%,镝:5-6%,其余镧系元素:1-3%,以上各组分之和为100%;
喷嘴表面镀有一层耐磨金属涂层,耐磨金属涂层的组分按质量百分比为:C:0.21%,Mg:0.13%,Cu:0.62%,W:0.45%,Ti:0.55%,Cr:5.32%,Ni:0.37%,Mo:0.42%,Co:0.23%,Ca:3.42%,稀土:11%,其余为Fe和微量杂质;
稀土中,按重量百分比包含以下组分:La:5.2%,Ce:7.6%,Pm:5.2%,Nd:5.5%,Eu:3.1%,Sm:5.5%,余量为Gd;
喷嘴的内表面涂覆的涂料的制备工艺具体为:
步骤1,以重量份计,将海泡石纤维5份、酚醛树脂3份、羧基亚硝基氟橡胶1.8份、2-硫醇基苯骈噻唑2份加入搅拌机中,加热搅拌,冷却至室温,得混合物A;
步骤2,以重量份计,在步骤1所得混合物A中加入钢纤维3份、石墨0.8份、白炭黑2.4份、硫酸钡3份、硼酸正丁酯4份、二苯基硅二醇2份,通入CO2,混合,得混合物B;
步骤3,将步骤2所得混合物B热处理后,在高温真空炉中进行烧结,并研磨至细度达到43μm即得;
耐磨金属涂层的制备方法按以下步骤进行:
步骤(1):先将稀土分为三份,第一份为稀土总量的2/5,第二份为稀土总量的2/5,第三份为稀土总量的1/5,将C、Mg、Cu、W、Ti、Cr、Ni、Mo、Co、Ca、Fe放入反应炉中,加热至1200-1250℃,保温5-8小时,然后空冷至450-460℃,然后再次加热至770-790℃,保温30-45min,然后空冷至室温,然后将金属块放入球磨机中粉碎,过100目数,得金属粉末A;
步骤(2):将步骤1中的金属粉末A与第一份稀土混合均匀,利用喷涂设备喷涂至钢板表面,厚度为0.22-0.25mm,然后加热至800-890℃,保温5-8小时,然后空冷至室温,然后再将钢板加热至300-350℃,将第二份稀土均匀的喷涂至钢板表面表面,然后加热至600-650℃,保温30-60min,然后迅速放入冷却油中快速冷却,待冷却至310-330℃迅速取出,然后再次加热至400-450℃,保温5-8小时,然后将第三份稀土均匀的喷涂至钢板表面表面,然后加热至680-720℃,保温15-30min,然后采用风冷,以10-15℃/min的速度冷却至280-290℃,然后空冷至室温即可;
步骤(3):将钢板进行第一次热处理:将钢板加热到620-630℃,保温11-13h,然后用风冷以1-3℃/s的速度冷却到室温,然后再加热至480-520℃,保温1-3小时,然后采用水冷,以15-18℃/min的速度冷却至220-250℃,然后保温5-8小时,最后空冷至室温,然后清洗表面,检验尺寸即可。
实施例2
本实施例提供的一种抗粘着耐磨损液压喷嘴的处理工艺,液压喷嘴的其化学成分的质量百分比为:C:0.25-0.35%,Si:0.85-1.25%,Mn:1.85-2.95%,P:0.04-0.05%,Ni:11-13%,Cr:16.5-17.5%,Nb:0.15-0.20%,Cu:0.85-0.95%,N:0.08-0.11%,Mo::2.15-2.95%,Al:0.2-0.3%,S:0.025-0.035%,Ti:0.03-0.04%,V:0.02-0.03%,B:0.002-0.004%,镧系稀土:3-5%,余量为Fe;
镧系稀土的组分质量百分比为:镧:20-24%,铈:20-25%,钐:14-16%,钕:14-16%,钆:2-4%,镨:16-18%,镝:5-6%,其余镧系元素:1-3%,以上各组分之和为100%;
喷嘴表面镀有一层耐磨金属涂层,耐磨金属涂层的组分按质量百分比为:C:0.23%,Mg:0.17%,Cu:0.65%,W:0.48%,Ti:0.58%,Cr:5.35%,Ni:0.39%,Mo:0.45%,Co:0.25%,Ca:3.45%,稀土:13%,其余为Fe和微量杂质;
稀土中,按重量百分比包含以下组分:La:5.5%,Ce:7.8%,Pm:5.6%,Nd:5.8%,Eu:3.3%,Sm:5.8%,余量为Gd;
喷嘴的内表面涂覆的涂料的制备工艺具体为:
步骤1,以重量份计,将海泡石纤维5份、酚醛树脂3份、羧基亚硝基氟橡胶1.8份、2-硫醇基苯骈噻唑2份加入搅拌机中,加热搅拌,冷却至室温,得混合物A;
步骤2,以重量份计,在步骤1所得混合物A中加入钢纤维3份、石墨0.8份、白炭黑2.4份、硫酸钡3份、硼酸正丁酯4份、二苯基硅二醇2份,通入CO2,混合,得混合物B;
步骤3,将步骤2所得混合物B热处理后,在高温真空炉中进行烧结,并研磨至细度达到43μm即得;
耐磨金属涂层的制备方法按以下步骤进行:
步骤(1):先将稀土分为三份,第一份为稀土总量的2/5,第二份为稀土总量的2/5,第三份为稀土总量的1/5,将C、Mg、Cu、W、Ti、Cr、Ni、Mo、Co、Ca、Fe放入反应炉中,加热至1200-1250℃,保温5-8小时,然后空冷至450-460℃,然后再次加热至770-790℃,保温30-45min,然后空冷至室温,然后将金属块放入球磨机中粉碎,过100目数,得金属粉末A;
步骤(2):将步骤1中的金属粉末A与第一份稀土混合均匀,利用喷涂设备喷涂至钢板表面,厚度为0.22-0.25mm,然后加热至800-890℃,保温5-8小时,然后空冷至室温,然后再将钢板加热至300-350℃,将第二份稀土均匀的喷涂至钢板表面表面,然后加热至600-650℃,保温30-60min,然后迅速放入冷却油中快速冷却,待冷却至310-330℃迅速取出,然后再次加热至400-450℃,保温5-8小时,然后将第三份稀土均匀的喷涂至钢板表面表面,然后加热至680-720℃,保温15-30min,然后采用风冷,以10-15℃/min的速度冷却至280-290℃,然后空冷至室温即可;
步骤(3):将钢板进行第一次热处理:将钢板加热到620-630℃,保温11-13h,然后用风冷以1-3℃/s的速度冷却到室温,然后再加热至480-520℃,保温1-3小时,然后采用水冷,以15-18℃/min的速度冷却至220-250℃,然后保温5-8小时,最后空冷至室温,然后清洗表面,检验尺寸即可。
以上实施例仅为说明本发明的技术思想,不能以此限定本发明的保护范围,凡是按照本发明提出的技术思想,在技术方案基础上所做的任何改动,均落入本发明保护范围之内。
Claims (4)
1.一种抗粘着耐磨损液压喷嘴的处理工艺,其特征在于,所述液压喷嘴的其化学成分的质量百分比为:C:0.25-0.35%,Si:0.85-1.25%,Mn:1.85-2.95%,P:0.04-0.05%,Ni:11-13%,Cr:16.5-17.5%,Nb:0.15-0.20%,Cu:0.85-0.95%,N:0.08-0.11%,Mo::2.15-2.95%,Al:0.2-0.3%,S:0.025-0.035%,Ti:0.03-0.04%,V:0.02-0.03%,B:0.002-0.004%,镧系稀土:3-5%,余量为Fe;
所述镧系稀土的组分质量百分比为:镧:20-24%,铈:20-25%,钐:14-16%,钕:14-16%,钆:2-4%,镨:16-18%,镝:5-6%,其余镧系元素:1-3%,以上各组分之和为100%;
所述喷嘴表面镀有一层耐磨金属涂层,所述耐磨金属涂层的组分按质量百分比为:C:0.21-0.23%,Mg:0.13-0.17%,Cu:0.62-0.65%,W:0.45-0.48%,Ti:0.55-0.58%,Cr:5.32-5.35%,Ni:0.37-0.39%,Mo:0.42-0.45%,Co:0.23-0.25%,Ca:3.42-3.45%,稀土:11-13%,其余为Fe和微量杂质;
所述稀土中,按重量百分比包含以下组分:La:5.2-5.5%,Ce:7.6-7.8%,Pm:5.2-5.6%,Nd:5.5-5.8%,Eu:3.1-3.3%,Sm:5.5-5.8%,余量为Gd;
所述喷嘴的内表面涂覆的涂料的制备工艺具体为:
步骤1,以重量份计,将海泡石纤维5份、酚醛树脂3份、羧基亚硝基氟橡胶1.8份、2-硫醇基苯骈噻唑2份加入搅拌机中,加热搅拌,冷却至室温,得混合物A;
步骤2,以重量份计,在步骤1所得混合物A中加入钢纤维3份、石墨0.8份、白炭黑2.4份、硫酸钡3份、硼酸正丁酯4份、二苯基硅二醇2份,通入CO2,混合,得混合物B;
步骤3,将步骤2所得混合物B热处理后,在高温真空炉中进行烧结,并研磨至细度达到43μm即得。
2.根据权利要求1所述的抗粘着耐磨损液压喷嘴的处理工艺,其特征在于,所述耐磨金属涂层的组分按质量百分比为:C:0.21%,Mg:0.13%,Cu:0.62%,W:0.45%,Ti:0.55%,Cr:5.32%,Ni:0.37%,Mo:0.42%,Co:0.23%,Ca:3.42%,稀土:11%,其余为Fe和微量杂质;
所述稀土中,按重量百分比包含以下组分:La:5.2%,Ce:7.6%,Pm:5.2%,Nd:5.5%,Eu:3.1%,Sm:5.5%,余量为Gd。
3.根据权利要求1所述的抗粘着耐磨损液压喷嘴的处理工艺,其特征在于,所述耐磨金属涂层的组分按质量百分比为:C:0.23%,Mg:0.17%,Cu:0.65%,W:0.48%,Ti:0.58%,Cr:5.35%,Ni:0.39%,Mo:0.45%,Co:0.25%,Ca:3.45%,稀土:13%,其余为Fe和微量杂质;
所述稀土中,按重量百分比包含以下组分:La:5.5%,Ce:7.8%,Pm:5.6%,Nd:5.8%,Eu:3.3%,Sm:5.8%,余量为Gd。
4.根据权利要求1所述的抗粘着耐磨损液压喷嘴的处理工艺,其特征在于,耐磨金属涂层的制备方法按以下步骤进行:
步骤(1):先将稀土分为三份,第一份为稀土总量的2/5,第二份为稀土总量的2/5,第三份为稀土总量的1/5,将C、Mg、Cu、W、Ti、Cr、Ni、Mo、Co、Ca、Fe放入反应炉中,加热至1200-1250℃,保温5-8小时,然后空冷至450-460℃,然后再次加热至770-790℃,保温30-45min,然后空冷至室温,然后将金属块放入球磨机中粉碎,过100目数,得金属粉末A;
步骤(2):将步骤1中的金属粉末A与第一份稀土混合均匀,利用喷涂设备喷涂至钢板表面,厚度为0.22-0.25mm,然后加热至800-890℃,保温5-8小时,然后空冷至室温,然后再将钢板加热至300-350℃,将第二份稀土均匀的喷涂至钢板表面表面,然后加热至600-650℃,保温30-60min,然后迅速放入冷却油中快速冷却,待冷却至310-330℃迅速取出,然后再次加热至400-450℃,保温5-8小时,然后将第三份稀土均匀的喷涂至钢板表面表面,然后加热至680-720℃,保温15-30min,然后采用风冷,以10-15℃/min的速度冷却至280-290℃,然后空冷至室温即可;
步骤(3):将钢板进行第一次热处理:将钢板加热到620-630℃,保温11-13h,然后用风冷以1-3℃/s的速度冷却到室温,然后再加热至480-520℃,保温1-3小时,然后采用水冷,以15-18℃/min的速度冷却至220-250℃,然后保温5-8小时,最后空冷至室温,然后清洗表面,检验尺寸即可。
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