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The positive and negative effects of lubricating oil for NSK bearings  

2012-09-13 11:37:37|  分类: 技术 |  标签: |举报 |字号 订阅

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环境温度高,油脂润滑不适应目前锻造机动弹NSK轴承所用的二硫化钼润滑脂被以为能耐高温油脂,我们知道它的基础油都是石油产品,加少量耐高温的二硫化钼添加剂,其耐温极限也就是120℃。且整机注油点多达30多处,长期运行维护无法实现这种繁琐的注油操纵,只好手持稀油壶浇在运行中的轴承套外部,润滑油很难进入轴承的摩擦副间,大部门轴承处于摩擦状态。
High ambient temperature, grease lubrication is not in keeping with current forging tactical bomb NSK bearings are resistant against high temperature lubricating grease with molybdenum disulfide grease, we know that oil is the basis of its petroleum products, plus a small amount of molybdenum disulfide additives for high-temperature resistance, its temperature limit is 120 degrees centigrade. And machine oiling more than more than 30 points, long-term operation and maintenance was unable to achieve this tedious manipulations of oiling, holding a thin oil bearing sleeve in a pot and poured it on run external, lubricating oils have very little access to bearing friction between branches bearing friction.
据测锻造机NSK轴承工作温度可达200℃,已远远超出润滑脂耐温极限。在这样高温前提下,润滑脂中的基础油会变稀和逐渐被蒸发,剩下的碳渣、二硫化钼、灰尘混合成固体块状凝固在动弹轴承的保持架上,不但失去其润滑作用,还阻碍动弹轴承的正常运转而很快磨损,最多2周就得停机,拆下轴承清洗换新油脂。
Log forging NSK bearing operating temperature up to 200 ° c, has spread well beyond the grease temperature limit. In the premise of such high temperatures, grease based oil will thin out and gradually evaporating, left carbon residue, molybdenum disulfide, dust mixed into a solid block solidified in move on the bearing cages, not only lost their lubrication, also hamper the normal operation of move bearing wear quickly, up to 2 weeks would have to shut down, remove bearings new cleansing oils.
自润滑NSK轴承使用温度宽,固体润滑材料含量充足,开释平均,具有良好的自润滑机能和咬合性,能有效地保护轴颈,达到持久的使用目的。
NSK bearings lubricated with temperature width, solid lubricant content is sufficient, acquitted on average, and have good self-lubricating function of occlusal, can effectively protect the axle, achieve lasting purpose.

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