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自润滑轴承将会成为轴承行业主导产品
发布日期:2024-02-07
  对于无油自润滑轴承,目前有很多人都不了解,很多企业仍采用价格高昂的进口轴承、铜套等传统产品。其实自润滑轴承完全可以替代铜套等相类似的产品,在机械和汽车行业里在比如油缸上的导向套,升降机的转动、滑动部位,蝶阀上的转动等部位,都能很好的发挥作用,而且此类轴承价格较低,可很大程度地降低企业的生产成本。相信在不久的将来无油自润滑轴承将会以其适应性强、耐磨、经济等无可争辩的优势而成为轴承行业主导产品。
  无油轴承也叫复合轴承、无油滑动轴承、自润滑轴承等,以下是部分无油自润滑轴承的应用特点和优势:
  无油润滑轴承系列
  无油自润滑轴承国外称。该系列产品是以优质低碳钢板为基体,中间烧结球形青铜粉,表面轧制聚四氟乙烯和铅的混合物,由卷制而成的滑动轴承。可应用于各种机械的滑动部位,如齿轮泵、液压元件、气动元件、印刷机、纺织机、烟草机、健身器、液压搬运车、微电机、汽车、摩托车与农林业机械等。
  应用特点和优势:
  1、无油润滑或少油润滑,适用于无法加油或很难加油的场所,可在使用时不保养或少保养。
  2、耐磨性能好,摩擦系数小,使用寿命长。
  3、有适量的弹塑性,能将应力分布在较宽的接触面上,提高轴承的承载能力。
  4、静动摩擦系数相近,能消除低速下的爬行,从而保证机械的工作精度。
  5、能使机械减少振动、降低噪音、防止污染,改善劳动条件。
  6、在运转过程中能形成转移膜,起到保护对磨轴的作用,无咬轴现象。
  7、对于磨轴的硬度要求低,未经调质处理的轴都可使用,从而降低了相关零件的加工难度。
  8、薄壁结构、质量轻,可减小机械体积。
  9、钢背面可电镀多种金属,可在腐蚀介质中使用。
  边界润滑轴承系列
  边界润滑轴承,国外称。该产品以钢板为基体、烧结球型锡青铜粉为中间层,表面轧制改性聚甲醛并有储油坑,卷制而成的滑动轴承。产品表面塑料厚度0.5mm,具有较好的耐磨性能,在少油或间隙断油条件下能正常工作。它适应于常温条件下工作和低速重载的场所,以取代传统的铜套,既降低成本又延长使用寿命。
  应用特点:
  1、承载好,耐磨性能良好。
  2、适用于高载低速下的旋转运动、摇摆运动及经常在载荷下启闭频繁而不易形成流体动力润滑的场合。
  3、在边界润滑条件下可长期不加油保养,
  而在过层中加油使轴承使用寿命更长。
  4、表面塑料层在加工成型时可留一定的余量,装配压入座孔后可自行加工,以达到更好的装配尺寸。
  5、产品主要运用于汽车底盘、冶金机械、矿山机械、水利机械、建筑机械、农用机械、轧钢设备等。
  固体镶嵌式自润滑轴承系列
  固体镶嵌式自润滑轴承系列,是在轴承基体的金属摩擦面上开出大小适当、排列有序的孔穴,然后在孔穴中嵌入具有独特自润滑性能的成型固体润滑剂而制成的自润滑轴承。该轴承综合了金属基体和特殊配方润滑材料的各自优点,突破了一般轴承依靠油膜润滑的局限性,特别适用于无油、高温、高负载、低速度、防污、防蚀、防辐射,以及在水中或真空溶液浸润而根本无法加润滑油膜的特殊工况条件下使用。该产品广泛应用于冶金轧钢设备、灌装设备、水轮机、汽轮机、仪器仪表以及矿山设备、船舶机械、纺织机械、船舶工业、航天航海等领域,也适用于一般工程机械。
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  8. SELECT * FROM `zzw_common_cat` WHERE `parent_id` = 14 AND `deltime` = '' ORDER BY `sort` ASC LIMIT 0,8 [ RunTime:0.000411s ]
  9. SELECT * FROM `zzw_common_cat` WHERE `parent_id` = 13 AND `deltime` = '' ORDER BY `sort` ASC LIMIT 0,8 [ RunTime:0.000534s ]
  10. SHOW FULL COLUMNS FROM `zzw_news` [ RunTime:0.001600s ]
  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` = '4389' AND `n`.`deltime` = '' LIMIT 1 [ RunTime:0.000396s ]
  12. SELECT `id`,`catid`,`title`,`thumb` FROM `zzw_news` WHERE `id` > 4389 AND `deltime` = '' AND `catid` = 84 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000548s ]
  13. SELECT `id`,`catid`,`title`,`thumb` FROM `zzw_news` WHERE `id` < 4389 AND `deltime` = '' AND `catid` = 84 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000403s ]
  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:0.003727s ]
  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:0.000380s ]
  16. SHOW FULL COLUMNS FROM `zzw_news_cat` [ RunTime:0.001263s ]
  17. SELECT * FROM `zzw_news_cat` WHERE `parent_id` = 0 AND `deltime` = '' [ RunTime:0.000322s ]
  18. SELECT COUNT(*) AS think_count FROM `zzw_news` WHERE `deltime` = '' AND `catid` = 84 [ RunTime:0.022477s ]
  19. SELECT `id`,`catid`,`title`,`thumb`,`addtime`,`fbtime` FROM `zzw_news` WHERE `deltime` = '' AND `catid` = 84 ORDER BY `id` DESC [ RunTime:0.026154s ]
  20. SELECT COUNT(*) AS think_count FROM `zzw_news` WHERE `deltime` = '' AND `catid` = 85 [ RunTime:0.006222s ]
  21. SELECT `id`,`catid`,`title`,`thumb`,`addtime`,`fbtime` FROM `zzw_news` WHERE `deltime` = '' AND `catid` = 85 ORDER BY `id` DESC [ RunTime:0.007384s ]
  22. SELECT * FROM `zzw_config` WHERE `id` = 2 LIMIT 1 [ RunTime:0.000699s ]
0.115113s