|
最近注册了一个国外的网站(网址见文后),经常通过Email给我发送液压领域内的各种注意事项。现共享一封我翻译的邮件,与朋友们共同学习…… 5 ] N4 A* f% e/ [, ]3 d% O) v& X6 v Here's four quick tips for you to get the most. w1 {9 u1 a% X. x out of THE most important component" y* E5 C- G) d+ F' q6 x of every hydraulic system - the oil: 4 ?. `2 V' O3 W( h7 ]$ g" X% P. ~ & h9 H& l% H! Q1 _9 b8 m# c1. Don't change the oil - filter it.: w! k# |7 J5 \; ` f$ U6 w Water or particle contamination rarely necessitates an oil changeW/ e7 f' [3 b/ L - unless the contamination has resulted in additive depletion or , ]+ _+ e, g) B+ ebase oil degradation. These contaminants can be removed from . ^7 W E$ T! l/ Q7 d4 rhydraulic fluid by filtration.& q4 U; h$ ]) p- B7 I
, }" w4 r$ L; K& q( P2. Eliminate particle contamination to reduce breakdowns... ' I8 O" R" u0 eResearch has shown that maintaining fluid cleanliness at ISO 4406- [* [2 V1 Y; k 16/14/11 will result in a tenfold increase in the average time# _+ p2 u2 [& e' f% M8 { between breakdowns when compared with a fluid cleanliness level - Q% Q1 E5 \) O) A* N0 {/ t$ yof 24/22/19. This is based on the findings of a three-year study of" r% f) r `* \3 `9 L" z 117 mobile and industrial hydraulic machines to determine the 4 j' `2 v5 P- F jcorrelation between fluid cleanliness and breakdown frequency. ) I8 _, g' M0 a. y8 Q { o* l: s1 j5 n+ T 3. ...And extend fluid life. . z1 N8 z( [4 p1 d- N1 h% A% [& eParticle contamination reduces the service life of hydraulic oil* W; c, M6 H; g by stripping additives and promoting oxidation. Additives attach, j, L2 ~2 @5 j3 N/ W to particles, which are then removed by the filters or settle to - {$ P; D/ T5 |2 P2 T+ Xthe bottom of the reservoir. Wear metal caused by particle 4 ~4 Y8 G* K9 g4 Fabrasion is a catalyst for fluid oxidation.; y7 Q6 B9 a& D/ G- ] 4. Keep it cool. 4 F6 z$ p$ G% m. Y: qElevated operating temperatures increase the rate at which the 9 ]5 v$ W. N. ^9 c' soil oxidizes and this decreases its service life. By-products $ Y% ~8 O3 E- J% F' ?6 Q4 Kof the oil oxidation process - varnish and sludge, can cause ! r4 D5 o3 J$ m2 ]# l0 i- hreliability issues such as valve spool stiction and8 ~* V1 H& Q/ p4 @' f( D6 S; U7 \ filter clogging. # b. O0 X+ R) c) K! Y7 U / P9 \1 O2 J! F8 J: s+ H. V7 R) l( n% O/ O0 i% m- f5 c --------------------------------------------------------9 Q! u( f5 }& V4 j" d 我的翻译 1 G. v0 `: T; [4 m8 L; l( t* V" W- G 下面是四个快速提示,从中你可以以最快的速度了解每个液压系统最重要的组成部分——液压油的使用注意事项 3 `" Y e/ J, V0 v# k1。不要更换液压油 - 而应该过滤。0 W9 j3 L$ j$ c- b$ j& U" X* D. E 水或颗粒性质的污染很少导致必须更换液压油——除非污染已经导致添加剂耗尽或使原本的液压油降解。这些污染物可以通过过滤的方式从液压油中去除。8 b9 q1 P8 e# ^7 @: W, J( K 2。消除颗粒污染以减少故障…… 3 Z; G- q3 D4 X; R8 Y研究显示,保持油液的洁净度在ISO 4406 16/14/11标准下,相较于保持在标准24/22/19下,将导致两次故障的间隔时间平均增加了10倍。这是根据一项为期三年的、关于117个移动和工业用液压设备的研究所得出的结论,该研究用以确定油液的洁净度和故障率之间的关系。 $ M% b2 t: T# j1 q; d3。 ……,延长油液的寿命。+ v5 R8 N3 B0 L. ` 颗粒污染通过剥离添加剂和促进氧化降低了液压油的使用寿命。添加剂附着在颗粒上,或者被过滤器滤除或沉积在容器的底部。由于颗粒摩擦所造成的金属磨损是液压油氧化的催化剂。& x* W& \, K: i- ^1 d; [ 4。保持液压油冷却。 ) \9 [' s5 C2 U1 ?7 c过高的工作温度加速了液压油的氧化速度,降低其使用寿命。油氧化过程中的副产品——涂料和沉淀物,可能会导致可靠性问题,如滑阀运动的粘滞和过滤器堵塞。 |
|