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ASTM F963 08 Clause 8.8 最后的一段话+ {/ N1 H: a4 Z1 G2 v3 v
Projections, parts, or assemblies! W3 `2 F2 y+ o7 a0 Y/ A S# b) \
that are mounted rigidly on an accessible rod or shaft designed1 O# a; F. ?) ]0 E8 d0 C
to rotate along with the projections, parts, or assemblies shall( ~6 l: r1 o, y. R, ~4 y
be tested with the rod or shaft clamped to prevent rotation. If# t" s8 N" l$ M, R, l5 G3 o
a component that is attached by a screw thread that has been
: }& ~2 ^$ O% c# c+ Oassembled by the manufacturer, or that has been assembled to# T7 ]: l* p9 q6 K% _) K
the manufacturer’s instructions, becomes loosened during application, C* A8 r! t% q0 u5 J" U
of the required torque, continue to apply the torque
6 U A7 a% k6 ]until either (1) the required torque is exceeded, or (2) the part
c C9 A9 L4 K, [1 ]# ydisassembles. The test should be terminated if it becomes8 T# E( }4 z7 Q, s4 s1 a
obvious that the part under test will continue to rotate at less
; V% h; v2 b* J' o D- {9 xthan the required torque limit and will not disassemble.
7 M" F5 b% U2 G& K/ X* Y( ]
, Y1 C5 a1 h+ g! `* ?9 g8.8.1 8.8.1 If the part disassembles, evaluate it for compliance. a& ?5 h# z- X4 |. ]; \# [
with the appropriate requirements. If the disassembly exposes
. A* G2 b, X- o$ E# i, ban accessible component that can be grasped as noted above,+ ~' a, C0 ]8 H0 P9 ^1 p' C6 T
repeat the torque test on that component.
% _1 Y! o& b5 |9 ]* h% }# Z
' H! L0 Z& S- s5 L8 s& O( y8.8.1中的the disassembly part是不是指Projections, parts, or assemblies, B3 H: _; |% x K. o
that are mounted rigidly on an accessible rod or shaft designed: E; W* _* V6 A& ~$ G
to rotate along with the projections, parts, or assemblies shall* p! N( _8 l7 l- g$ N
be tested with the rod or shaft clamped to prevent rotation.呢??+ O6 E. t* ~2 X$ j6 }8 Y
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$ z$ q6 ~! y' p v
