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ASTM F963 08 Clause 8.8 最后的一段话0 m. F" [5 r, @ _" ^ R
Projections, parts, or assemblies6 ]2 ^: x, f* v* T" t; j
that are mounted rigidly on an accessible rod or shaft designed
E, ]) c9 ?3 l) |+ O$ vto rotate along with the projections, parts, or assemblies shall
+ j. M8 K# S$ o7 q0 Gbe tested with the rod or shaft clamped to prevent rotation. If. f$ p1 \: L- I
a component that is attached by a screw thread that has been8 l. K; t, o$ ~/ H& v
assembled by the manufacturer, or that has been assembled to
: y7 G- r9 _+ H/ Sthe manufacturer’s instructions, becomes loosened during application
8 \3 T5 h) f9 t+ Y( y5 hof the required torque, continue to apply the torque/ H" e: D4 y) d) V" H! c' f
until either (1) the required torque is exceeded, or (2) the part
$ n% `5 A6 ~& `0 C* }disassembles. The test should be terminated if it becomes9 k! |, @, u2 K
obvious that the part under test will continue to rotate at less# f% ^: [& V% g1 \$ m
than the required torque limit and will not disassemble.
4 o( ^2 G$ G# c1 i2 k
+ e; b9 ]4 G, Y' S u- W! X8.8.1 8.8.1 If the part disassembles, evaluate it for compliance
) J; R$ j5 \6 O; @7 s* P0 C Cwith the appropriate requirements. If the disassembly exposes+ v4 z* [+ [( S0 F
an accessible component that can be grasped as noted above,5 a1 {0 K" o3 M
repeat the torque test on that component.% g" A, r; X, Y- k, m( V" Y% @, H$ ~
9 ^! p' o6 L. d
8.8.1中的the disassembly part是不是指Projections, parts, or assemblies. B2 ? J; W+ x W
that are mounted rigidly on an accessible rod or shaft designed
7 M4 }$ `$ O2 H* i0 Rto rotate along with the projections, parts, or assemblies shall$ O) ^: g& y- @2 r
be tested with the rod or shaft clamped to prevent rotation.呢??
% m( Z) p0 r$ g* b/ z如果是的话,那这个纸牌是不是不需要拉呢??谢谢 |
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发表于 2010-1-23 12:29
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rojections, parts, or assemblies* K' {/ J9 V& |6 v
