|
|
楼主 |
发表于 2010-1-23 16:09
|
显示全部楼层
ASTM F963 08 Clause 8.8 最后的一段话
0 w# Y! e7 U- z' }( W$ u FProjections, parts, or assemblies, _6 z( Z( c5 i3 X4 P+ G
that are mounted rigidly on an accessible rod or shaft designed6 C+ G, o1 |9 W2 l$ {8 q. a0 G
to rotate along with the projections, parts, or assemblies shall2 T( ~" o1 }5 B9 m
be tested with the rod or shaft clamped to prevent rotation. If0 E! f5 L6 s# t
a component that is attached by a screw thread that has been
% S* Z4 ?9 V' Z/ {3 W# `" ^assembled by the manufacturer, or that has been assembled to0 B3 v2 V, O. d3 ~% R) |
the manufacturer’s instructions, becomes loosened during application7 V+ Z2 b; E" q a& u
of the required torque, continue to apply the torque- c1 P" @% T+ ?
until either (1) the required torque is exceeded, or (2) the part7 F: l0 p ?+ v$ y; q
disassembles. The test should be terminated if it becomes
/ R* k4 u8 [1 V. [5 G' n& P3 Bobvious that the part under test will continue to rotate at less
6 q( g$ b; x/ j) S, ^: wthan the required torque limit and will not disassemble.
9 ?* I" e* u# M d. }
5 f% p% l3 b5 k7 w6 N8.8.1 8.8.1 If the part disassembles, evaluate it for compliance4 p P4 n2 `( T( Z6 N$ {5 ^; l
with the appropriate requirements. If the disassembly exposes2 f+ L* U& W8 d# T" `
an accessible component that can be grasped as noted above,5 B! X6 _; o: v+ L* S
repeat the torque test on that component.
% F O& L& d, f M' k: k* Y2 A! f' |. r6 l) t7 J
8.8.1中的the disassembly part是不是指Projections, parts, or assemblies
! Y7 t4 n% O) `( S7 {0 `4 pthat are mounted rigidly on an accessible rod or shaft designed
9 I* C5 x) G( x$ ?+ y" h6 eto rotate along with the projections, parts, or assemblies shall+ g" w& S% x# w! o8 M& V# g" N
be tested with the rod or shaft clamped to prevent rotation.呢??
% t7 S6 q% u k4 k8 Z6 m如果是的话,那这个纸牌是不是不需要拉呢??谢谢 |
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2010-1-23 12:29
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡
rojections, parts, or assemblies% H: H# C" P$ H* [1 l3 U5 A, Y