数控车床，车铝合金工件40.5mm的内孔，公差0.03mm，一批车下来内孔尺寸逐渐变大大概四十件（一个小时）变大0.01mm。我们做了系统X轴的重复定位测试，一个小时变化在0.002mm之内。另外，内孔车得不圆，椭了0.005mm到0.01mm。请大家帮忙分析！
# \, z( d1 @4 U2 z" o, l5 q2 B/ g, i+ G+ |
序号 左右位（mm） 上下位（mm）7 G3 h! f/ |' Q2 C" x
1 40.508 40.508
% p- s) Y# t* `8 Q' @5 c% j0 H2 40.508 40.513
2 [0 ?7 O3 `- I! i+ B3 40.511 40.513
) V# E1 s) E# c- C8 y! [4 M4 40.51 40.512/ j: m* ?2 V6 {
5 40.509 40.509, F- H. H+ H' Q9 e3 V3 }. U
6 40.511 40.511
, }9 c& R; B- x9 M" Y7 40.511 40.511: f3 K( ]; X' B' q; r( f
8 40.51 40.512
) i5 d$ F& x j9 40.51 40.511( y- A6 V! C9 L6 h7 H
10 40.512 40.513
& l. f2 M% ~# M7 X11 40.51 40.513! V) ]; y; F' v
12 40.512 40.515# T# e% n0 g. N4 ]
13 40.511 40.514
9 I8 t/ ?. u7 [) U14 40.509 40.5117 x; Q# P& a- f7 H2 K+ i7 ^
15 40.51 40.511# ?( Z# W. M( E+ u0 A
16 40.511 40.5139 X, v0 Z1 Y- c+ S, L A4 i$ U
17 40.51 40.511
7 m4 G- G7 R; u& o18 40.511 40.513, R4 k) y% B) k( k1 X
19 40.512 40.514
& ]. B5 X9 s0 [0 ^# x1 _20 40.512 40.516# j5 L6 L1 a1 J! ?5 `9 _
21 40.513 40.515
$ S( w9 o0 h' \4 ~8 d8 q: `22 40.514 40.517
; m6 r ^! F9 i23 40.514 40.517
2 T/ b9 s M0 }6 r8 F9 f24 40.513 40.516) ]9 _4 Q8 P0 X. e4 N0 u& X2 i
25 40.513 40.517
8 z$ B/ S* _* T, n7 g: H9 v2 Z26 40.515 40.518+ S2 R7 {# I) d4 z
27 40.515 40.52: M9 C7 y: c( k- I% y
28 40.516 40.521
: ]# p, l( v5 T. ^2 B29 40.516 40.52
! e4 t* ^+ m0 N8 W, M) D30 40.517 40.521
) D! V! g9 `& x: r& L! H; T- K31 40.518 40.52
! d# n w& o r/ G( u: c32 40.518 40.522
. T9 M6 K+ f9 u( Q# x33 40.517 40.519
* s$ H0 w4 V& o- C34 40.519 40.521: A' _# j+ N% o1 K" I$ e
35 40.515 40.5255 c% q$ V. y D- C
36 40.52 40.52
; Z4 \5 R* \: |# m9 }( i+ m, H# @37 40.52 40.524 O R) H8 J! H& t- q- M7 l s' Q
38 40.521 40.5226 h7 F; T8 }2 ]3 @: G8 h
39 40.52 40.523& z% ?+ r) b+ Z# c$ r [+ i# Z- T
40 40.521 40.523 |
发表于 2010-1-25 13:32:24
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