標題: 液壓油使用注意事項 [打印本頁] 作者: liangquan6 時間: 2010-7-20 19:31 標題: 液壓油使用注意事項 最近注冊了一個國外的網站(網址見文后),經常通過Email給我發送液壓領域內的各種注意事項。現共享一封我翻譯的郵件,與朋友們共同學習……' ]; J5 h# ]8 x; q2 z+ M) x
4 r, y% {" ~- Q, g6 p# IHere's four quick tips for you to get the most # l! [8 m& ~: B5 Z4 C/ X* A
out of THE most important component 9 d5 v2 `& R% @% uof every hydraulic system - the oil: - k' |! c D2 c/ ?/ O 6 i5 J* j7 g; T" Q5 C# B" ?0 i% J1. Don't change the oil - filter it. & s" }, q! C; e- ]Water or particle contamination rarely necessitates an oil change + R/ O }6 Y- I& p8 D- unless the contamination has resulted in additive depletion or 8 U! H) r0 }; _' O+ Ibase oil degradation. These contaminants can be removed from " r! i h) o# ]& r0 Z! h% vhydraulic fluid by filtration. ( T: ] F- w( H: @7 T) c$ h: O) c9 _8 } t
2. Eliminate particle contamination to reduce breakdowns...5 b/ J2 v0 C* u6 Q7 Y* p) X
Research has shown that maintaining fluid cleanliness at ISO 4406 & l7 k0 h3 s. m+ u$ V16/14/11 will result in a tenfold increase in the average time ; b) N+ E) D" i* ^! x
between breakdowns when compared with a fluid cleanliness level * R) y; w- e. j/ `( D
of 24/22/19. This is based on the findings of a three-year study of8 ~# D! a; X/ v# `. o
117 mobile and industrial hydraulic machines to determine the r3 _, T/ g" w* e P% ?
correlation between fluid cleanliness and breakdown frequency. / W1 w I$ r7 @/ Y( P j# z* d8 k3 r2 w; {8 l0 G3. ...And extend fluid life. 5 v: i' F5 q, t# F7 `Particle contamination reduces the service life of hydraulic oil # A# h! U) o8 v# z8 j3 Gby stripping additives and promoting oxidation. Additives attach # m2 j( q7 N. K" U; y; Rto particles, which are then removed by the filters or settle to 1 i- a: u. D- b2 Y$ Z- z8 I2 @ t
the bottom of the reservoir. Wear metal caused by particle ' p5 y) h0 L/ u Yabrasion is a catalyst for fluid oxidation. - O& P$ x& Q9 V$ D4 F7 g2 G& N4. Keep it cool. + ]! x: F2 E: b3 G! JElevated operating temperatures increase the rate at which the . X, f0 D* A5 Z, } Y& T
oil oxidizes and this decreases its service life. By-products % [" @5 K- ]+ tof the oil oxidation process - varnish and sludge, can cause" [) u3 e0 L) W8 o1 ^2 T8 A/ L$ [
reliability issues such as valve spool stiction and 2 c5 ]$ B3 m% O2 J
filter clogging.. Q' V/ k; j$ s# s: Y# Q# C; \, j