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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……
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Here's four quick tips for you to get the most 5 K1 ~; d* z' q5 R$ s+ _+ t
out of THE most important component
1 L5 D( X* q/ M- B& gof every hydraulic system - the oil:9 E0 W3 q, z I. Q: R4 w- W: [
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1. Don't change the oil - filter it.- i( s) W6 w- L' x6 l" z6 m* B
Water or particle contamination rarely necessitates an oil change2 J* ]( z; ~# L
- unless the contamination has resulted in additive depletion or ! P5 L- T4 ]2 y8 ?! i( [' {/ l& B
base oil degradation. These contaminants can be removed from + U o' C" `, N) [
hydraulic fluid by filtration.
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5 K# V. K9 Z k) a2. Eliminate particle contamination to reduce breakdowns...
& i- ~1 {! ~7 W# ?5 kResearch has shown that maintaining fluid cleanliness at ISO 44068 `$ ]+ L5 }7 k% x# a9 }9 T+ Z0 }
16/14/11 will result in a tenfold increase in the average time % W& D" O" n; T# o8 N! [
between breakdowns when compared with a fluid cleanliness level & U( v' w7 W% G: H' G- ?. _
of 24/22/19. This is based on the findings of a three-year study of
' r$ L( O. R& e% i4 ?117 mobile and industrial hydraulic machines to determine the
$ z' X& Q% \$ Mcorrelation between fluid cleanliness and breakdown frequency. R% Z7 ~2 J' d+ V/ D/ L
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3. ...And extend fluid life.
! { I# _/ p I0 x$ IParticle contamination reduces the service life of hydraulic oil
7 U* d& B2 `3 @9 ?by stripping additives and promoting oxidation. Additives attach
1 _& [) ?) ^) D1 I" i9 Z0 dto particles, which are then removed by the filters or settle to ! O( ?& \* I3 s# s" a# @% K
the bottom of the reservoir. Wear metal caused by particle 8 l3 r1 H4 M% E
abrasion is a catalyst for fluid oxidation.
6 C* x M6 d* j% {! z4. Keep it cool.# _6 E0 H5 u" P) c) K, o8 e
Elevated operating temperatures increase the rate at which the
$ S. B' q9 \* b& N& s. Roil oxidizes and this decreases its service life. By-products8 j( G& ]* ?; h0 P
of the oil oxidation process - varnish and sludge, can cause# o" T1 c7 f6 ^' e
reliability issues such as valve spool stiction and : b0 W* a" J1 ^! \
filter clogging.# K) { u9 U# H6 i
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7 Q& u8 x- [' T+ d2 f我的翻译% I2 K! A5 ?8 H' R5 a
- u+ c u X% A2 y+ q% L& S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 8 n4 p& S% Y' O+ e" q
1。不要更换液压油 - 而应该过滤。
! e- L2 {) l4 c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。 2 Z X) _) Q! H% P" V6 U/ ~" ?
2。消除颗粒污染以减少故障……9 M! [( q1 b- D3 B% n
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。 - G; |6 B3 q' ~' j' V! o6 y, o0 T% @
3。 ……,延长油液的寿命。
: J1 O& M3 ^# k: C. @* ~4 M0 ^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。
' N( i( f9 N7 b7 Y. _& y$ Z4。保持液压油冷却。
$ c, ?& Y' D. {2 |) A5 J# p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。 |
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