CN106151285A - 一种内燃机轴承 - Google Patents

一种内燃机轴承 Download PDF

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CN106151285A
CN106151285A CN201610726505.5A CN201610726505A CN106151285A CN 106151285 A CN106151285 A CN 106151285A CN 201610726505 A CN201610726505 A CN 201610726505A CN 106151285 A CN106151285 A CN 106151285A
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bearing
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杨帆
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Shandong Wen Yuan Petroleum Equipment Co., Ltd.
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Abstract

一种内燃机轴承，包括自润滑轴承内圈、自润滑轴承外圈和带有保持架的陶瓷轴承球，所述的自润滑轴承内圈和自润滑轴承外圈之间设有上述陶瓷轴承球，陶瓷球的表面粗糙度Ra 0.01‑0.03微米；热导率为120‑123W/（m·K）可以更块的将热量传递，避免局部过热给轴承表面带来损伤，陶瓷球与自润滑材料内圈和外圈相配合使得他们之间的磨损量降低，提高使用寿命。

Description

一种内燃机轴承
技术领域
本发明涉一种内燃机轴承，属于内燃机技术领域。
背景技术
目前，用于内燃机的轴承通常采用铝合金材料。随着汽车工业的发展，内燃机的性能明显提高，现已开发出更大的输出和更快的转速。因此需要轴承在滑动性能方面有出色的性能，特别在最初适应性(initialconfomability)和抗咬合性方面，以及耐久性和润滑方面。
发明内容
一种内燃机轴承，包括自润滑轴承内圈、自润滑轴承外圈和带有保持架的陶瓷轴承球，所述的自润滑轴承内圈和自润滑轴承外圈之间设有上述陶瓷轴承球，
自润滑轴承内圈和自润滑轴承外圈包括基体材料和润滑材料，基体材料原子百分比为：Fe 6-7﹪，Mn 3-4﹪，Nb 1-2﹪，Mg 0.8-0.9﹪，Cr 0.5-0.6﹪，Si 0.3-0.4﹪，Mo 0.3-0.4﹪，Zr 0.07-0.08﹪，Bi 0.07-0.08﹪，V 0.04-0.05﹪，W 0.03-0.04﹪，Ti 0.01-0.02﹪，余量为Cu，润滑材料摩尔比为：石墨50-55份，氟化钙40-45份，碳化硼10-15份，基体材料与润滑材料摩尔比为：3：2，将基体材料合金粉末与润滑材料粉末按照比例混合均匀后，进行球磨，球料质量比12：1，球磨时间7小时，粉末烘干后，进行热压成型，分别得到轴承内圈坯料和轴承内圈坯料，之后对轴承内圈坯料和轴承外圈坯料进行磨削加工，磨削过程使用磨削液，磨削后的精度为Ra0.1，得到最终轴承内圈和轴承外圈，磨削液质量百分比组成为：甘油5-6％，磷酸氢二钠4-5％，碳酸钠1-2％，氢氧化钾1-2％，单丁醚2-3％，钼酸钠1-3％，余量为水，
陶瓷轴承球原料包括：氧化铝1份，氧化锆0.8-0.9份，碳化硅0.7-0.8份，氮化硅0.7-0.8份，烧结助剂0.4-0.5份，将上述原料按上述重量份比例混合均匀，过筛，将过筛后的粉料置于球磨机中球磨，球磨时间为3小时，球磨温度45℃，球磨后粒径达到15-25微米；所得粉料置于模具中，采用冷等静压的方法压制成球形，压力为80-85MPa；之后在常压下，在烧结炉中加热到1240-1270℃，保温2小时，之后温度升高到1380-1410℃，保温2小时，之后随炉冷却至室温；将所得陶瓷球表面进行研磨和抛光，表面粗糙度Ra 0.01-0.03微米；热导率为120-123W/（m·K）。
所述的一种内燃机轴承，磨削液质量百分比组成为：甘油5％，磷酸氢二钠4％，碳酸钠1％，氢氧化钾1％，单丁醚2％，钼酸钠1％，余量为水。
所述的一种内燃机轴承，磨削液质量百分比组成为：甘油6％，磷酸氢二钠5％，碳酸钠2％，氢氧化钾2％，单丁醚3％，钼酸钠3％，余量为水。
所述的一种内燃机轴承，磨削液质量百分比组成为：甘油5.5％，磷酸氢二钠4.5％，碳酸钠1.5％，氢氧化钾1.5％，单丁醚2.5％，钼酸钠1.5％，余量为水。
所述的一种内燃机轴承，陶瓷轴承球原料包括：氧化铝1份，氧化锆0.8份，碳化硅0.7份，氮化硅0.7份，烧结助剂0.4份。
所述的一种内燃机轴承，陶瓷轴承球原料包括：氧化铝1份，氧化锆0.9份，碳化硅0.8份，氮化硅0.8份，烧结助剂0.5份。
所述的一种内燃机轴承，陶瓷轴承球原料包括：氧化铝1份，氧化锆0.85份，碳化硅0.75份，氮化硅0.75份，烧结助剂0.45份。
所述的一种内燃机轴承，在烧结炉于1240℃，保温2小时，之后温度升高到1380℃，保温2小时。
所述的一种内燃机轴承，在烧结炉于1270℃，保温2小时，之后温度升高到1410℃，保温2小时。
所述的一种内燃机轴承，在烧结炉于1250℃，保温2小时，之后温度升高到1390℃，保温2小时。
本发明铜合金基体材料不添加润滑材料抗拉强度达到534MPa，铜合金基体材料的维氏硬度为121（HV），磨损率达到0.27×10-4 mm3N-1m-1，铜合金基体材料添加润滑材料后，其抗拉强度达到512MPa，维氏硬度为130（HV），磨损率达到0.20×10-4 mm3N-1m-1， 自润滑轴承内圈和自润滑轴承外圈加工简单，材料的使用寿命提高，耐磨性提高。使用本发明的磨削液更好的结合本发明的自润滑材料可以使材料更快的散热达到均匀磨削作用，并且提高了磨削工艺的效率。
陶瓷球的表面粗糙度Ra 0.01-0.03微米；热导率为120-123W/（m·K）可以更块的将热量传递，避免局部过热给轴承表面带来损伤，陶瓷球与自润滑材料内圈和外圈相配合使得他们之间的磨损量降低，提高使用寿命。
附图说明
图1为内燃机轴承截面示意图。
具体实施方式
如图1所述一种内燃机轴承，包括自润滑轴承内圈1、自润滑轴承外圈2和带有保持架3的陶瓷轴承球4，所述的自润滑轴承内圈和自润滑轴承外圈之间设有上述陶瓷轴承球。
实施例1
一种内燃机轴承，包括自润滑轴承内圈、自润滑轴承外圈和带有保持架的陶瓷轴承球，所述的自润滑轴承内圈和自润滑轴承外圈之间设有上述陶瓷轴承球，
自润滑轴承内圈和自润滑轴承外圈包括基体材料和润滑材料，基体材料原子百分比为：Fe 6﹪，Mn 3﹪，Nb 1﹪，Mg 0.8﹪，Cr 0.5﹪，Si 0.3﹪，Mo 0.3﹪，Zr 0.07﹪，Bi0.07﹪，V 0.04﹪，W 0.03﹪，Ti 0.01﹪，余量为Cu，润滑材料摩尔比为：石墨50份，氟化钙40份，碳化硼10份，基体材料与润滑材料摩尔比为：3：2，将基体材料合金粉末与润滑材料粉末按照比例混合均匀后，进行球磨，球料质量比12：1，球磨时间7小时，粉末烘干后，进行热压成型，分别得到轴承内圈坯料和轴承内圈坯料，之后对轴承内圈坯料和轴承外圈坯料进行磨削加工，磨削过程使用磨削液，磨削后的精度为Ra0.1，得到最终轴承内圈和轴承外圈，磨削液质量百分比组成为：甘油5％，磷酸氢二钠4％，碳酸钠1％，氢氧化钾1％，单丁醚2％，钼酸钠1％，余量为水，
陶瓷轴承球原料包括：氧化铝1份，氧化锆0.8份，碳化硅0.7份，氮化硅0.7份，烧结助剂0.4份，将上述原料按上述重量份比例混合均匀，过筛，将过筛后的粉料置于球磨机中球磨，球磨时间为3小时，球磨温度45℃，球磨后粒径达到15-25微米；所得粉料置于模具中，采用冷等静压的方法压制成球形，压力为80-85MPa；之后在常压下，在烧结炉中加热到1240-1270℃，保温2小时，之后温度升高到1380-1410℃，保温2小时，之后随炉冷却至室温；将所得陶瓷球表面进行研磨和抛光，表面粗糙度Ra 0.01-0.03微米；热导率为120-123W/（m·K）。
实施例2
一种内燃机轴承，包括自润滑轴承内圈、自润滑轴承外圈和带有保持架的陶瓷轴承球，所述的自润滑轴承内圈和自润滑轴承外圈之间设有上述陶瓷轴承球，
自润滑轴承内圈和自润滑轴承外圈包括基体材料和润滑材料，基体材料原子百分比为：Fe 7﹪，Mn 4﹪，Nb 2﹪，Mg 0.9﹪，Cr 0.6﹪，Si 0.4﹪，Mo 0.4﹪，Zr 0.08﹪，Bi0.08﹪，V 0.05﹪，W 0.04﹪，Ti 0.02﹪，余量为Cu，润滑材料摩尔比为：石墨55份，氟化钙45份，碳化硼15份，基体材料与润滑材料摩尔比为：3：2，将基体材料合金粉末与润滑材料粉末按照比例混合均匀后，进行球磨，球料质量比12：1，球磨时间7小时，粉末烘干后，进行热压成型，分别得到轴承内圈坯料和轴承内圈坯料，之后对轴承内圈坯料和轴承外圈坯料进行磨削加工，磨削过程使用磨削液，磨削后的精度为Ra0.1，得到最终轴承内圈和轴承外圈，磨削液质量百分比组成为：甘油6％，磷酸氢二钠5％，碳酸钠2％，氢氧化钾2％，单丁醚3％，钼酸钠3％，余量为水，
陶瓷轴承球原料包括：氧化铝1份，氧化锆0.9份，碳化硅0.8份，氮化硅0.8份，烧结助剂0.5份，将上述原料按上述重量份比例混合均匀，过筛，将过筛后的粉料置于球磨机中球磨，球磨时间为3小时，球磨温度45℃，球磨后粒径达到15-25微米；所得粉料置于模具中，采用冷等静压的方法压制成球形，压力为80-85MPa；之后在常压下，在烧结炉中加热到1240-1270℃，保温2小时，之后温度升高到1380-1410℃，保温2小时，之后随炉冷却至室温；将所得陶瓷球表面进行研磨和抛光，表面粗糙度Ra 0.01-0.03微米；热导率为120-123W/（m·K）。
实施例3
一种内燃机轴承，包括自润滑轴承内圈、自润滑轴承外圈和带有保持架的陶瓷轴承球，所述的自润滑轴承内圈和自润滑轴承外圈之间设有上述陶瓷轴承球，
自润滑轴承内圈和自润滑轴承外圈包括基体材料和润滑材料，基体材料原子百分比为：Fe 6.5﹪，Mn 3.5﹪，Nb 1.5﹪，Mg 0.85﹪，Cr 0.55﹪，Si 0.35﹪，Mo 0.35﹪，Zr0.075﹪，Bi 0.075﹪，V 0.045﹪，W 0.035﹪，Ti 0.015﹪，余量为Cu，润滑材料摩尔比为：石墨53份，氟化钙43份，碳化硼13份，基体材料与润滑材料摩尔比为：3：2，将基体材料合金粉末与润滑材料粉末按照比例混合均匀后，进行球磨，球料质量比12：1，球磨时间7小时，粉末烘干后，进行热压成型，分别得到轴承内圈坯料和轴承内圈坯料，之后对轴承内圈坯料和轴承外圈坯料进行磨削加工，磨削过程使用磨削液，磨削后的精度为Ra0.1，得到最终轴承内圈和轴承外圈，磨削液质量百分比组成为：甘油5.5％，磷酸氢二钠4.5％，碳酸钠1.5％，氢氧化钾1.5％，单丁醚2.5％，钼酸钠1.5％，余量为水，
陶瓷轴承球原料包括：氧化铝1份，氧化锆0.85份，碳化硅0.75份，氮化硅0.75份，烧结助剂0.45份，将上述原料按上述重量份比例混合均匀，过筛，将过筛后的粉料置于球磨机中球磨，球磨时间为3小时，球磨温度45℃，球磨后粒径达到15-25微米；所得粉料置于模具中，采用冷等静压的方法压制成球形，压力为80-85MPa；之后在常压下，在烧结炉中加热到1240-1270℃，保温2小时，之后温度升高到1380-1410℃，保温2小时，之后随炉冷却至室温；将所得陶瓷球表面进行研磨和抛光，表面粗糙度Ra 0.01-0.03微米；热导率为120-123W/（m·K）。
实施例4
一种内燃机轴承，包括自润滑轴承内圈、自润滑轴承外圈和带有保持架的陶瓷轴承球，所述的自润滑轴承内圈和自润滑轴承外圈之间设有上述陶瓷轴承球，
自润滑轴承内圈和自润滑轴承外圈包括基体材料和润滑材料，基体材料原子百分比为：Fe 6.2﹪，Mn 3.3﹪，Nb 1.2﹪，Mg 0.87﹪，Cr 0.54﹪，Si 0.34﹪，Mo 0.38﹪，Zr0.072﹪，Bi 0.073﹪，V 0.044﹪，W 0.034﹪，Ti 0.012﹪，余量为Cu，润滑材料摩尔比为：石墨51份，氟化钙42份，碳化硼11份，基体材料与润滑材料摩尔比为：3：2，将基体材料合金粉末与润滑材料粉末按照比例混合均匀后，进行球磨，球料质量比12：1，球磨时间7小时，粉末烘干后，进行热压成型，分别得到轴承内圈坯料和轴承内圈坯料，之后对轴承内圈坯料和轴承外圈坯料进行磨削加工，磨削过程使用磨削液，磨削后的精度为Ra0.1，得到最终轴承内圈和轴承外圈，磨削液质量百分比组成为：甘油5.2％，磷酸氢二钠4.3％，碳酸钠1.4％，氢氧化钾1.7％，单丁醚2.3％，钼酸钠1.2％，余量为水，
陶瓷轴承球原料包括：氧化铝1份，氧化锆0.81份，碳化硅0.72份，氮化硅0.73份，烧结助剂0.47份，将上述原料按上述重量份比例混合均匀，过筛，将过筛后的粉料置于球磨机中球磨，球磨时间为3小时，球磨温度45℃，球磨后粒径达到15-25微米；所得粉料置于模具中，采用冷等静压的方法压制成球形，压力为80-85MPa；之后在常压下，在烧结炉中加热到1240-1270℃，保温2小时，之后温度升高到1380-1410℃，保温2小时，之后随炉冷却至室温；将所得陶瓷球表面进行研磨和抛光，表面粗糙度Ra 0.01-0.03微米；热导率为120-123W/（m·K）。
实施例5
一种内燃机轴承，包括自润滑轴承内圈、自润滑轴承外圈和带有保持架的陶瓷轴承球，所述的自润滑轴承内圈和自润滑轴承外圈之间设有上述陶瓷轴承球，
自润滑轴承内圈和自润滑轴承外圈包括基体材料和润滑材料，基体材料原子百分比为：Fe 6.8﹪，Mn 3.7﹪，Nb 1.9﹪，Mg 0.83﹪，Cr 0.58﹪，Si 0.38﹪，Mo 0.34﹪，Zr0.073﹪，Bi 0.073﹪，V 0.048﹪，W 0.036﹪，Ti 0.016﹪，余量为Cu，润滑材料摩尔比为：石墨54份，氟化钙44份，碳化硼13份，基体材料与润滑材料摩尔比为：3：2，将基体材料合金粉末与润滑材料粉末按照比例混合均匀后，进行球磨，球料质量比12：1，球磨时间7小时，粉末烘干后，进行热压成型，分别得到轴承内圈坯料和轴承内圈坯料，之后对轴承内圈坯料和轴承外圈坯料进行磨削加工，磨削过程使用磨削液，磨削后的精度为Ra0.1，得到最终轴承内圈和轴承外圈，磨削液质量百分比组成为：甘油5.7％，磷酸氢二钠4.8％，碳酸钠1.8％，氢氧化钾1.6％，单丁醚2.7％，钼酸钠1.2％，余量为水，
陶瓷轴承球原料包括：氧化铝1份，氧化锆0.88份，碳化硅0.73份，氮化硅0.72份，烧结助剂0.43份，将上述原料按上述重量份比例混合均匀，过筛，将过筛后的粉料置于球磨机中球磨，球磨时间为3小时，球磨温度45℃，球磨后粒径达到15-25微米；所得粉料置于模具中，采用冷等静压的方法压制成球形，压力为80-85MPa；之后在常压下，在烧结炉中加热到1240-1270℃，保温2小时，之后温度升高到1380-1410℃，保温2小时，之后随炉冷却至室温；将所得陶瓷球表面进行研磨和抛光，表面粗糙度Ra 0.01-0.03微米；热导率为120-123W/（m·K）。

Claims (10)

1.一种内燃机轴承，包括自润滑轴承内圈、自润滑轴承外圈和带有保持架的陶瓷轴承球，所述的自润滑轴承内圈和自润滑轴承外圈之间设有上述陶瓷轴承球，
陶瓷轴承球原料包括：氧化铝1份，氧化锆0.8-0.9份，碳化硅0.7-0.8份，氮化硅0.7-0.8份，烧结助剂0.4-0.5份，将上述原料按上述重量份比例混合均匀，过筛，将过筛后的粉料置于球磨机中球磨，球磨时间为3小时，球磨温度45℃，球磨后粒径达到15-25微米；所得粉料置于模具中，采用冷等静压的方法压制成球形，压力为80-85MPa；之后在常压下，在烧结炉中加热到1240-1270℃，保温2小时，之后温度升高到1380-1410℃，保温2小时，之后随炉冷却至室温；将所得陶瓷球表面进行研磨和抛光，表面粗糙度Ra 0.01-0.03微米；热导率为120-123W/（m·K），
自润滑轴承内圈和自润滑轴承外圈包括基体材料和润滑材料，基体材料原子百分比为：Fe 6-7﹪，Mn 3-4﹪，Nb 1-2﹪，Mg 0.8-0.9﹪，Cr 0.5-0.6﹪，Si 0.3-0.4﹪，Mo 0.3-0.4﹪，Zr 0.07-0.08﹪，Bi 0.07-0.08﹪，V 0.04-0.05﹪，W 0.03-0.04﹪，Ti 0.01-0.02﹪，余量为Cu，润滑材料摩尔比为：石墨50-55份，氟化钙40-45份，碳化硼10-15份，基体材料与润滑材料摩尔比为：3：2，将基体材料合金粉末与润滑材料粉末按照比例混合均匀后，进行球磨，球料质量比12：1，球磨时间7小时，粉末烘干后，进行热压成型，分别得到轴承内圈坯料和轴承内圈坯料，之后对轴承内圈坯料和轴承外圈坯料进行磨削加工，磨削过程使用磨削液，磨削后的精度为Ra0.1，得到最终轴承内圈和轴承外圈，磨削液质量百分比组成为：甘油5-6％，磷酸氢二钠4-5％，碳酸钠1-2％，氢氧化钾1-2％，单丁醚2-3％，钼酸钠1-3％，余量为水。
2.如权利要求1所述的一种内燃机轴承，磨削液质量百分比组成为：甘油5％，磷酸氢二钠4％，碳酸钠1％，氢氧化钾1％，单丁醚2％，钼酸钠1％，余量为水。
3.如权利要求1所述的一种内燃机轴承，磨削液质量百分比组成为：甘油6％，磷酸氢二钠5％，碳酸钠2％，氢氧化钾2％，单丁醚3％，钼酸钠3％，余量为水。
4.如权利要求1所述的一种内燃机轴承，磨削液质量百分比组成为：甘油5.5％，磷酸氢二钠4.5％，碳酸钠1.5％，氢氧化钾1.5％，单丁醚2.5％，钼酸钠1.5％，余量为水。
5.如权利要求1所述的一种内燃机轴承，陶瓷轴承球原料包括：氧化铝1份，氧化锆0.8份，碳化硅0.7份，氮化硅0.7份，烧结助剂0.4份。
6.如权利要求1所述的一种内燃机轴承，陶瓷轴承球原料包括：氧化铝1份，氧化锆0.9份，碳化硅0.8份，氮化硅0.8份，烧结助剂0.5份。
7.如权利要求1所述的一种内燃机轴承，陶瓷轴承球原料包括：氧化铝1份，氧化锆0.85份，碳化硅0.75份，氮化硅0.75份，烧结助剂0.45份。
8.如权利要求1所述的一种内燃机轴承，在烧结炉于1240℃，保温2小时，之后温度升高到1380℃，保温2小时。
9.如权利要求9所述的一种内燃机轴承，在烧结炉于1270℃，保温2小时，之后温度升高到1410℃，保温2小时。
10.如权利要求1所述的一种内燃机轴承，在烧结炉于1250℃，保温2小时，之后温度升高到1390℃，保温2小时。
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