CN106050937A - 一种空调轴承的表面防腐处理方法 - Google Patents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/64—Special methods of manufacture
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C11/00—Selection of abrasive materials or additives for abrasive blasts
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- 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
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- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions
- C23C8/58—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions more than one element being applied in more than one step
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- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2223/00—Surface treatments; Hardening; Coating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2223/00—Surface treatments; Hardening; Coating
- F16C2223/02—Mechanical treatment, e.g. finishing
- F16C2223/06—Mechanical treatment, e.g. finishing polishing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2223/00—Surface treatments; Hardening; Coating
- F16C2223/10—Hardening, e.g. carburizing, carbo-nitriding
- F16C2223/14—Hardening, e.g. carburizing, carbo-nitriding with nitriding
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Abstract
本发明公开了一种空调轴承的表面防腐处理方法,包括以下步骤:使用磨料对空调轴承表面进行除锈处理,用除油剂除油,然后用水枪对轴承进行冲洗,再在140~180℃的温度下烘干,再经过氮化处理、氧化处理、抛光处理、二次氧化处理;本发明通过钢丸和钢砂的组合作为磨料,将空调轴承的表面杂质去除彻底,再经过氮化、氧化、抛光、氧化处理,实现空调轴承表面的防腐处理,提高空调轴承的使用寿命。
Description
技术领域
本发明属于空调轴承领域,更具体地说,本发明涉及一种空调轴承的表面防腐处理方法。
背景技术
轴承是当代机械设备中一种重要零部件。它的主要功能是支撑机械旋转体,降低其运动过程中的摩擦系数,并保证其回转精度。按运动元件摩擦性质的不同,轴承可分为滚动轴承和滑动轴承两大类。其中滚动轴承已经标准化、系列化,但与滑动轴承相比它的径向尺寸、振动和噪声较大,价格也较高。滚动轴承一般由外圈、内圈、滚动体和保持架四部分组成,严格的说是由外圈、内圈、滚动体、保持架、密封、润滑油六大件组成。轴承在使用时环境恶劣,因此需要将表面进行防腐处理。
发明内容
本发明目的是提供一种空调轴承的表面防腐处理方法,提高空调轴承的表面防腐能力,提高使用寿命。
为了解决上述技术问题,本发明采用的技术方案是:
一种空调轴承的表面防腐处理方法,包括以下步骤:
a、对空调轴承表面进行除锈处理,磨料为钢丸和钢砂的混合物,钢砂的直径在1mm以下,直径与节长的比例为1:1.1;
b、用除油剂对空调轴承表面进行除油,然后用水枪对轴承进行冲洗,再在140~180℃的温度下烘干;
c、氮化处理,将空调轴承在350~450℃温度下预热70min后放入700℃的市售的氮化基盐的盐浴中停留2~3小时,其中氮化基盐不含氰化物,高温熔化后会产生氰根,对轴承保持架进行渗氮,与轴承保持架表面基体的Fe形成高耐磨且具有良好韧性的Fe3N;氮化基盐高温熔化存在的氰根通过补充调整盐方式,使之恢复到原始的氰酸根状态,恢复活性,防止产生公害;
d、氧化处理,将空调轴承放入400℃的商品化的氧化盐盐浴中停留10~30min,然后进行冷水冲洗;氧化盐与轴承保持架上微量的氮化基盐中的氰根发生氧化反应,生成氰酸根,然后使用冷水进行冲洗,冲洗后水中氰根含量低于排放标准要求,不会对环境造成污染;
e、抛光处理,氮化和氧化处理后,轴承保持架表面会生成疏松层,疏松层的硬度较低,耐磨性较差,同时使轴承保持架表面变得不光滑,粗糙度升高;将空调轴承放入抛光设备中与磨料混合后,在旋转状态下对空调轴承表面进行抛光处理,消除疏松层对轴承保持架表面质量的影响;
f、氧化处理,将经过抛光处理后的空调轴承放入380~420℃的商品化的氧化盐盐浴中停留10~20min,然后进行冷水冲洗。
优选的,磨料中钢丸为35-55份、钢砂55-65份。
本发明的有益效果是:
本发明通过钢丸和钢砂的组合作为磨料,将空调轴承的表面杂质去除彻底,再经过氮化、氧化、抛光、氧化处理,实现空调轴承表面的防腐处理,提高空调轴承的使用寿命。
具体实施方式
以下对本发明的实施例进行详细说明,但是本发明可以由权利要求限定和覆盖的多种不同方式实施。
本发明公开一种空调轴承的表面防腐处理方法,包括以下步骤:
a、对空调轴承表面进行除锈处理,磨料为钢丸和钢砂的混合物,磨料中钢丸为35-55份、钢砂55-65份,钢砂的直径在1mm以下,直径与节长的比例为1:1.1;
b、用除油剂对空调轴承表面进行除油,然后用水枪对轴承进行冲洗,再在140~180℃的温度下烘干;
c、氮化处理,将空调轴承在350~450℃温度下预热70min后放入700℃的市售的氮化基盐的盐浴中停留2~3小时,其中氮化基盐不含氰化物,高温熔化后会产生氰根,对轴承保持架进行渗氮,与轴承保持架表面基体的Fe形成高耐磨且具有良好韧性的Fe3N;氮化基盐高温熔化存在的氰根通过补充调整盐方式,使之恢复到原始的氰酸根状态,恢复活性,防止产生公害;
d、氧化处理,将空调轴承放入400℃的商品化的氧化盐盐浴中停留10~30min,然后进行冷水冲洗;氧化盐与轴承保持架上微量的氮化基盐中的氰根发生氧化反应,生成氰酸根,然后使用冷水进行冲洗,冲洗后水中氰根含量低于排放标准要求,不会对环境造成污染;
e、抛光处理,氮化和氧化处理后,轴承保持架表面会生成疏松层,疏松层的硬度较低,耐磨性较差,同时使轴承保持架表面变得不光滑,粗糙度升高;将空调轴承放入抛光设备中与磨料混合后,在旋转状态下对空调轴承表面进行抛光处理,消除疏松层对轴承保持架表面质量的影响;
f、氧化处理,将经过抛光处理后的空调轴承放入380~420℃的商品化的氧化盐盐浴中停留10~20min,然后进行冷水冲洗。
本发明通过钢丸和钢砂的组合作为磨料,将空调轴承的表面杂质去除彻底,再经过氮化、氧化、抛光、氧化处理,实现空调轴承表面的防腐处理,提高空调轴承的使用寿命。
以上所述的本发明实施方式,并不构成对本发明保护范围的限定,任何在本发明的精神和原则之内所作的修改、等同替换和改进等,均应包含在本发明的权利要求保护范围之内。
Claims (2)
1.一种空调轴承的表面防腐处理方法,其特征在于,包括以下步骤:
a、对空调轴承表面进行除锈处理,磨料为钢丸和钢砂的混合物,钢砂的直径在1mm以下,直径与节长的比例为1:1.1;
b、用除油剂对空调轴承表面进行除油,然后用水枪对轴承进行冲洗,再在140~180℃的温度下烘干;
c、氮化处理,将空调轴承在350~450℃温度下预热70min后放入700℃的市售的氮化基盐的盐浴中停留2~3小时;
d、氧化处理,将空调轴承放入400℃的商品化的氧化盐盐浴中停留10~30min,然后进行冷水冲洗;
e、抛光处理,将空调轴承放入抛光设备中与磨料混合后,在旋转状态下对空调轴承表面进行抛光处理,消除疏松层对轴承保持架表面质量的影响;
f、氧化处理,将经过抛光处理后的空调轴承放入380~420℃的商品化的氧化盐盐浴中停留10~20min,然后进行冷水冲洗。
2.根据权利要求1所述一种空调轴承的表面防腐处理方法,其特征在于,,磨料中钢丸为35-55份、钢砂55-65份。
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Cited By (2)
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CN106399922A (zh) * | 2016-11-29 | 2017-02-15 | 威海久威材料科技有限公司 | 奥氏体不锈钢表面非金属离子渗入处理方法 |
CN107528435A (zh) * | 2017-08-30 | 2017-12-29 | 安徽省含山县潮林铸管厂(普通合伙) | 一种洗衣机用电机外壳的表面处理方法 |
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CN106399922A (zh) * | 2016-11-29 | 2017-02-15 | 威海久威材料科技有限公司 | 奥氏体不锈钢表面非金属离子渗入处理方法 |
CN107528435A (zh) * | 2017-08-30 | 2017-12-29 | 安徽省含山县潮林铸管厂(普通合伙) | 一种洗衣机用电机外壳的表面处理方法 |
CN107528435B (zh) * | 2017-08-30 | 2018-11-30 | 界首永恩机电科技有限公司 | 一种洗衣机用电机外壳的表面处理方法 |
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