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发表于 2010-1-23 16:09
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ASTM F963 08 Clause 8.8 最后的一段话8 p0 y' k! s: @% u
Projections, parts, or assemblies8 X2 Y; }5 D; \/ {' j2 U
that are mounted rigidly on an accessible rod or shaft designed
+ f+ o( b5 i s2 o6 Q- t' q+ zto rotate along with the projections, parts, or assemblies shall
) g- Y! b7 m& z0 Q6 a: gbe tested with the rod or shaft clamped to prevent rotation. If& ~) i0 U4 Y- n2 h( _
a component that is attached by a screw thread that has been
5 W2 c" d7 `9 y+ B* U* m0 l" ~8 E6 Qassembled by the manufacturer, or that has been assembled to
8 v3 K( K% g( K2 Jthe manufacturer’s instructions, becomes loosened during application
# k' W4 j- R9 B$ P3 S" K2 tof the required torque, continue to apply the torque
1 R& X v& M, k" c6 p1 Suntil either (1) the required torque is exceeded, or (2) the part
; V9 j3 T( t# M6 _disassembles. The test should be terminated if it becomes
5 f& B8 I( H" h9 gobvious that the part under test will continue to rotate at less |/ P% M& f2 P6 s" {
than the required torque limit and will not disassemble.
- P" ]8 J, B- ]
* o# N) C0 ~. t2 {( p/ I, D9 X! ~8.8.1 8.8.1 If the part disassembles, evaluate it for compliance2 r* c* e' o" O7 D' e5 _
with the appropriate requirements. If the disassembly exposes
4 q" ?8 y# n/ ran accessible component that can be grasped as noted above,1 m7 E5 Z8 W( y# d
repeat the torque test on that component., c# a; z% t9 k) x
) p; Q' Y$ ?" l5 u
8.8.1中的the disassembly part是不是指Projections, parts, or assemblies
7 J* o3 Q" {% w* { d3 E/ Q' Qthat are mounted rigidly on an accessible rod or shaft designed2 ?' k5 K' Y) U: \; Q
to rotate along with the projections, parts, or assemblies shall
5 b+ ?# `5 \6 J! y! h2 Bbe tested with the rod or shaft clamped to prevent rotation.呢??
8 H5 A1 g: a+ d& K如果是的话,那这个纸牌是不是不需要拉呢??谢谢 |
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rojections, parts, or assemblies+ ?0 ]. @( h' W7 a2 [9 B