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1、Maintenance Free Solutions for the Metals Industry 冶金行业免维护解决方案,Presented at Customer Days Presented by Jimmy Nielsen, SKF Exopar Sweden 2010-10-27,October 30, 2007 SKF Group Slide 1,Presentation content,Dry lubrication solutions based on Graphite, MoS2 and special additives for high temperature appl
2、ications 高温应用条件下，SKF基于石墨、MoS2和特殊添加剂的干式润滑解决方案。,Maintenance Free Solutions for the Metals Industry; 冶金行业的免维护解决方案,Solid Oil lubrication solution based on a polymer matrix saturated with a lubricating oil SKF固态油润滑解决方案,October 30, 2007 SKF Group Slide 2,1,Dry Lubrication 干式润滑,October 30, 2007 SKF Group S
3、lide 3,Dry lubricant 干式润滑,Dry lubricants are materials in solid phase able to; 干式润滑剂是一种表现为固态的材料，其能够 Reduce friction between surfaces 减少接触面间的摩擦 Prevents steel-steel contact 避免钢对钢的接触 Distribute contact load 合理分配接触应力 Examples of dry lubrication materials 干式润滑剂材料 Graphite 石墨 Molybdenum disulfide 二硫化钼 Tu
4、ngsten disulfide 二硫化钨,Strong force,Weak force,October 30, 2007 SKF Group Slide 4,Extreme temperature problems in Metals Industry 冶金行业中的极限工作温度问题,Difficult to find suitable lubrication for high to extreme temperatures approx. (+150 to +350 C) 很难找到一种合适的润滑剂能适用于高至极高温工况 Frequent relubrication required whe
5、n oil or grease is used 在油、脂润滑条件下，需进行频繁的二次润滑 Difficult to seal high temperature application = contamination 高温条件下密封会变得很困难污染物 Toxicity at high temperature 高温条件下的有毒氛围 High friction and energy losses 高摩擦所带来的能量损失 Fire hazard from grease leakage 油脂泄漏所带来的火灾隐患 Workers safety 操作工人的安全性,October 30, 2007 SKF G
6、roup Slide 5,Effects of high temperatures on the bearing 高温对轴承的影响,Steel structural change, volume growth, deformations 金属结构改变，体积增大，变形 Lower carrying capacity 承载能力降低 Bigger temperature differences leading to preload 较大的温差导致的预负荷 Metal to metal contact leading to surface degradation and failure 金属对金属的摩
7、擦所导致的表面剥蚀，失效 Higher friction due to lub. Failure 润滑剂失效导致摩擦加剧,Effect 影响,Dimensions 尺寸 Hardness 硬度 Clearance 游隙 Lubrication 润滑剂 Friction 摩擦力,Parameter 参数,October 30, 2007 SKF Group Slide 6,Use the right lubricant 使用正确的润滑剂,Temperatures to Remember 温度警示 120 C Plastic & rubber components fails. Limit for
8、 a lot of greases 塑料和橡胶材料失效，绝大多数油脂的极限工作温度 150 C Almost all standard greases fails 所有标准油脂的失效温度 180 C Need to use expensive special greases 需要使用某些昂贵的特殊油脂 250 C Limit for special greases, toxic limit for PTFE 特殊油脂的极限温度，对PTFE材料一样有害,October 30, 2007 SKF Group Slide 7,SKF DryLube Bearings a new generation
9、 dry lubricated bearings SKF干式润滑轴承新一代干式润滑轴承,VA208 segmented graphite cage DGBB only VA208-分段式石墨保持架，深沟球轴承,VA228 graphite coronet cage DGBB/Y-bearings VA228冠状石墨保持架，深沟球轴承、Y轴承,SKF DryLube BearingsVA210, VA2101, VA2103, VA237 。“All” bearing types VA210，VA2101，VA2103，VA237-所有轴承类型均适用,New Offer! 新产品,October
10、 30, 2007 SKF Group Slide 8,What is SKF DryLube? 什么是SKF 干式润滑？,Lubricating paste injected into the bearing and hardened around existing metal cage 润滑剂被注入轴承内部，并围绕已有金属保持架硬化 Lubricating media = Graphite, MoS2 and special additives 润滑介质= 石墨， MoS2 以及其它特殊添加剂 For applications from -60 up to 250degrees C, pe
11、aks up to 350 degrees C 适用温度从-60到250，峰值达到350。 Can be applied to most bearing types (not NRB and CARB due to lack of free space). 适用于绝大多数轴承类型（但不包括内部空间太小的滚针和CARB轴承） Is available in four versions 4种可用版本 VA210 graphite based 石墨 VA2101 graphite + additive 石墨+添加剂 VA2103 MoS2 based 二硫化钼 VA237 graphite + sp
12、ecial additive 石墨+特殊添加剂,October 30, 2007 SKF Group Slide 9,DryLube features & benefits 干式润滑的优点,Extreme temperature range from -60C to +250C, with peak temperatures up to 350C 极限工作温度范围 -60+250，峰值达350 Very low and constant friction level at all temperatures (compared to grease) 在所有温度下能保持非常低且稳定的摩擦力（与油脂
13、相比） No lubricant leakage 没有润滑剂泄漏问题 Minimal contamination of the ambient environment 对环境污染降至最低 Virtually maintenance free 免维护 Much higher speed limit than current graphite cage solution (x10 for DGBB) 干式润滑剂与目前使用的石墨保持架相比，转速能力提高十倍以上 Extended service life in high temperature environments 高温条件下更长的使用寿命 Lu
14、bricates in wet environments as well as radioactive environments 潮湿、辐射环境下依然工作良好 VA2103 is a good lubricant in vacuum and low pressure environments VA2103适用于真空、低压条件,October 30, 2007 SKF Group Slide 10,SKF DryLube values in the Metals Industry SKF 干式润滑-在冶金行业的价值所在,Reduce total operational cost 降低总的运营成本
15、 Extended bearing service life 延长轴承使用寿命 Eliminating grease consumption 消除油脂消耗 Increasing machinery and component service life 增加设备使用寿命 Reducing the need for maintenance and repair 降低对维护、维修的需求 Reduced need for cooling systems 降低对冷却系统的需求 Minimize environmental impact 环境影响最小化 Eliminating grease consump
16、tion 消除油脂消耗 Reducing waste water contamination 降低水污染 Bearings have low and constant friction 轴承低且稳定的摩擦 Improve workers safety 改善工人操作安全性 No slippery conditions in working areas 消除工作区域地面湿滑 Eliminated fire hazard caused by grease leakage 消除油脂泄露导致的火灾隐患 Eliminates need for re-lubrication in hazardous areas 消除危险区域二次润滑需求,October 30, 2007 SKF Group Slide 11,Typical applications for DryLu
