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舍弗勒集团扩展表面技术研发力量
发布日期:2024-02-07

舍弗勒集团投资扩大了位于赫尔佐根奥拉赫总部的表面技术竞争力中心,以增强舍弗勒在涂层(coating)技术上的研发和应用能力。这为公司未来的发展创造了条件,使更多的资源能被用于来自客户的定制化需求。同时,舍弗勒还在扩展其批量生产能力,以更迅速地满足对于高质量涂层部件的增长需求。
  
  进一步增强的技术和市场领导力
  表面技术竞争力中心自2007年投入使用以来发展非常成功,涂层产品的销售量已增长超过50%。“通过有针对性的和持续性的研发投入,我们已成为为客户提供具有更高附加值的表面产品和系统的技术与市场领导者。”舍弗勒集团管理董事会成员兼首席技术官彼得•古兹曼(Peter Gutzmer)博士在表面技术竞争力中心扩建落成仪式上说。
  今天,无论是单个使用还是组合使用,舍弗勒均向客户提供一整套适应其需求的用于优化部件与系统表面的涂层产品。这些涂层保护部件不受微动腐蚀、侵腐和电蚀等影响,以延长使用寿命,并最大程度地降低摩擦和打滑以及磨损带来的失效。最新的技术还能够使感应涂层(sensor layers)得以实现。
 
  面向多功能涂层和感应涂层的趋势
  “多功能涂层和感应涂层技术都在进行开发,以满足来自客户的特殊需求,它们有迹象成为未来的趋势。”表面技术竞争力中心主任蒂姆•霍森菲尔德(Tim Hosenfeldt)博士说。它们虽然产量少,但和用于汽车工业上的动辄数百万的部件一样被用于工业部门上。“决定性因素是舍弗勒将表面技术视为设计考量之一。通过我们的技术装备以及在流程与应用上的优势,我们能更早地生产出样品,并直接而可靠地投入成熟的批量生产。”霍森菲尔德说。这样的例子包括为日产公司开发的使用了Triondur®涂层的梃杆(tappet),该产品可有效降低汽车发动机气阀摩擦力。十余年来,舍弗勒每年向客户提供数百万个这样的产品。2005年,日产公司因此授予舍弗勒“日产创新奖”。由于10年来零质量缺陷的高品质服务,日产又将此殊荣授予舍弗勒日本公司。

  有效降低摩擦的Triondur涂层系统
  Triondur是由舍弗勒借助最先进真空技术开发的一种涂层系统,该系统生产工艺极其环保,采用了物理气相沉积(PVD)和等离子辅助化学气相沉积(plasma-aided CVD)方法。Triondur的涂层厚度只有2微米,但强度非常高,可有效降低摩擦,防止损耗。这使得客户可以在不改变产品尺寸和设计的情况下对部件和系统进行优化,这就意味着在载荷不改变的情况下,不改变尺寸时其性能会更好,即使减小尺寸也可以符合性能要求。
  仅在2010年,舍弗勒就提供了超过7,000万套采用了Triondur涂层的产品,其中的一种为Triondur C。这种碳基金刚合金涂层可以为研磨磨损(abrasive wear)和粘着磨损(adhesive wear)提供高强度保护,同时将摩擦降到最低,对于金属的干摩擦也可以降低80%。即使只对单摩擦面进行镀层,整个摩擦系统的操作寿命也将被大幅提高。由于其特殊的镀层构造,Triondur C可以抵抗如滚动轴承中的高接触压力,典型的应用包括用于造纸机上的球轴承和印刷行业里的滚轮(track roller)。在汽车行业里,Triondur涂层除被用在气门梃杆上外,还被用于支撑件(support element)、滚子摇臂(finger follower)和主动活塞(control piston)上。新的Triondur DLC涂层系统也将被开发成功,该涂层能与相应的工作界面精确匹配,将凸轮轴与梃杆之间的摩擦降低50%,并有效降低发动机动力损失和二氧化碳排放。
 

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  11. SELECT `n`.*,c.id as catid,c.catname as catname FROM `zzw_news` `n` LEFT JOIN `zzw_news_cat` `c` ON `n`.`catid`=`c`.`id` WHERE `n`.`id` = '2049' AND `n`.`deltime` = '' LIMIT 1 [ RunTime:0.000518s ]
  12. SELECT `id`,`catid`,`title`,`thumb` FROM `zzw_news` WHERE `id` > 2049 AND `deltime` = '' AND `catid` = 85 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000859s ]
  13. SELECT `id`,`catid`,`title`,`thumb` FROM `zzw_news` WHERE `id` < 2049 AND `deltime` = '' AND `catid` = 85 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000436s ]
  14. SELECT `id`,`catid`,`title`,`thumb`,`addtime`,`fbtime` FROM `zzw_news` WHERE `deltime` = '' AND `is_recommend` = 1 ORDER BY `id` DESC LIMIT 0,4 [ RunTime:0.003955s ]
  15. SELECT `id`,`catid`,`title`,`thumb`,`addtime`,`fbtime` FROM `zzw_news` WHERE `deltime` = '' AND `is_recommend` = 0 ORDER BY `id` DESC LIMIT 0,10 [ RunTime:0.000460s ]
  16. SHOW FULL COLUMNS FROM `zzw_news_cat` [ RunTime:0.001278s ]
  17. SELECT * FROM `zzw_news_cat` WHERE `parent_id` = 0 AND `deltime` = '' [ RunTime:0.000536s ]
  18. SELECT COUNT(*) AS think_count FROM `zzw_news` WHERE `deltime` = '' AND `catid` = 84 [ RunTime:0.024232s ]
  19. SELECT `id`,`catid`,`title`,`thumb`,`addtime`,`fbtime` FROM `zzw_news` WHERE `deltime` = '' AND `catid` = 84 ORDER BY `id` DESC [ RunTime:0.028776s ]
  20. SELECT COUNT(*) AS think_count FROM `zzw_news` WHERE `deltime` = '' AND `catid` = 85 [ RunTime:0.005996s ]
  21. SELECT `id`,`catid`,`title`,`thumb`,`addtime`,`fbtime` FROM `zzw_news` WHERE `deltime` = '' AND `catid` = 85 ORDER BY `id` DESC [ RunTime:0.006410s ]
  22. SELECT * FROM `zzw_config` WHERE `id` = 2 LIMIT 1 [ RunTime:0.000551s ]
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