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德国机械设备制造业联合会(VDMA)的液压密封培训教材，ppt格式，一共19个压缩包。目录如下：
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" A( B8 v+ J2 e$ v3 |Basics of Sealing Technology
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' F, P# v, v4 r6 A& Q" AApplication fields for fluid seals
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Seal types 0 D% h% l8 Y+ @# M, L
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Sealing mechanism : g; u" R/ O3 A$ b3 G q
: n1 w4 a$ G% J9 u+ U+ GFriction
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% {% S' G' p+ l0 T; N7 AParameters influencing sealing mechanism and friction ; X; o2 R& G- l/ b: h- ?
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Sealing Materials
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7 [0 C4 b2 ]9 i& U' yMaterial overview
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Thermoplastic elastomers 3 R* q; t: ~. I7 u
: n# F: K; D7 t' j3 s/ gElastomers
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Thermoplastics
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7 l+ L1 t9 i; D* F$ R& l- MManufacturing Processes for Seals1 ^" O5 R% k3 d6 _$ t' j
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% u1 k$ t9 P5 zProcessing of rubber and rubber fabrics
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Processing of plastics by injection moulding 5 D: Z; A; h7 a
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Processing of PTFE ! \' ?- X# {) U E `' {7 @, t+ K; Y" m
9 Q( T7 Z3 }! ]- Q. l EEngineering Design Guidelines
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& i$ i# B3 A3 E* _3 ZIntroduction
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5 D2 |1 p3 ^- |# L6 w/ i6 lBasic function of the seal " A* \) H- Y" N# \5 q8 e* m4 ]
7 A& d, N% w! n8 u: G3 tSeal assembly
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Sealing surfaces 0 Q E) L4 M. |& C! ?
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Gaps # }7 c3 `7 ^- _: I) x+ r
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Wipers/scrapers % q' |/ f2 A% x
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Flow turbulences 8 a' U% ~' P' x: B
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Excess pressure loads
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* I0 G/ u( \* h2 C; i“Seal-friendly“ surfaces
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2 ? p' D4 e3 K F; rConcentricity
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9 ], H- f- l/ N3 SInstallation spaces for O-rings
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Installation spaces for lip seals * P0 N6 b% O8 i* @6 [3 o+ a. ]
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Installation spaces for chevron packings 7 o' L% Z2 L! W1 }! U: D
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Installation spaces rubber-activated coaxial seals
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Installation spaces for compact seals + O+ s: ^6 w0 L
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Installation spaces for guide tapes
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Typical design errors involving seals
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Favourable design features for seal assembly
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Y8 U. B8 h. X) }& n( T" ?* ?1 {9 OStandards
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3 p; s1 r- q3 N8 v5 H$ OSeal Types
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Hydraulic seals
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+ P8 M7 Z* a- X9 B C _Pneumatic seals
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Static seals
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: J, o a; F& ^& X" O5 z" p, Z0 JRotary seals
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( g1 ]: K# e" c! u! H" `& fApplication Examples
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. S4 g4 X: h) V5 a# pHydraulics
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Pneumatics
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9 @- B" w) m+ n J' z" hFailures ! P6 H2 C7 z) e: g' U2 Q
' I0 n( ^6 X8 a2 qFailure causes 5 `: z, k4 e' ^, D; H' B
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Failures (examples)
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Company Contacts ( f0 z) Q. w+ q% u' X' F
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/ |7 U, Q! h2 w( \% J0 R1 I[ 本帖最后由 schjie 于 2008-10-4 15:53 编辑 ] |
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发表于 2008-10-4 15:46:34
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