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！2 ^5 Z$ J' R! r$ L% `% Z: ]: g0 i$ R
. |3 x. {! H: i3 y3 Z2 P+ F序号 左右位（mm） 上下位（mm）; F; `- g+ e$ C$ }' ]
1 40.508 40.508# Z) T0 @+ l- T1 S
2 40.508 40.5132 s1 V5 j$ ]1 c* s# n
3 40.511 40.513$ f' e9 J+ P! \ i: ?
4 40.51 40.5125 b1 r- A1 Y. Z8 q& _$ A* ^) F
5 40.509 40.509
5 S4 K; y4 c/ T0 Y6 40.511 40.511
4 W" E3 c6 B- h5 s0 w( Y M7 40.511 40.5110 E/ F/ h4 v: F2 n B
8 40.51 40.512
$ i- q* V1 L4 @* O9 40.51 40.5114 J0 _, t( x- b
10 40.512 40.513" u$ x1 D k" g$ z
11 40.51 40.513
3 v2 f% d6 H0 w; V; e12 40.512 40.515 Y4 S, W2 f/ ~- Y. r# F
13 40.511 40.514; u: z3 N$ w V4 e4 k
14 40.509 40.511
& i* ]7 @; z9 j, L, Y15 40.51 40.511: C: n! s+ b$ t; \6 M* D/ T
16 40.511 40.513
2 M; e a" s, I* r4 I7 ~17 40.51 40.511 _8 ?/ x. E" o. v
18 40.511 40.513
8 F7 j( ^$ |8 X! ~( Z; w- e19 40.512 40.514
1 H/ O7 t, S0 Q6 H# D7 Y1 k20 40.512 40.516
$ ?+ h) B6 e, k% Y21 40.513 40.515/ r) C8 H# e/ u4 \. N8 |& q6 }# C
22 40.514 40.517
$ ?/ V+ z1 C: t/ C4 u1 s9 G23 40.514 40.517
9 J8 W: e( J2 @' X24 40.513 40.516& g9 p7 b: d. y4 d0 N/ e
25 40.513 40.5174 Z$ A2 i; T% @1 [
26 40.515 40.518. p! x4 ?* F+ g# e( \: h' S
27 40.515 40.524 W- H |) Q6 G
28 40.516 40.521
* J6 L8 B R) [% j29 40.516 40.52
- W; S5 Y4 g, [ L0 J2 Q7 F30 40.517 40.521
- g1 k4 u. B7 ?; w31 40.518 40.52
' }/ K! u# H( u7 [32 40.518 40.5223 d9 h/ L; o1 @& `# f4 c
33 40.517 40.519; w- p" D! N4 F
34 40.519 40.521
; a" |3 L$ ^) P& F$ c6 O' S35 40.515 40.5256 k6 J! s( B( n6 L5 q6 Q) f
36 40.52 40.52
: @3 s# [7 A9 i37 40.52 40.524
+ f, H+ b% G B8 x, | S L38 40.521 40.522. M3 N& Q; ~! e- Z I
39 40.52 40.523
: r" A! B& a4 {40 40.521 40.523 |
发表于 2010-1-25 13:32:24
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