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！+ a3 D" H( d) d- g+ ?; \: Z
! a+ H; f6 {6 U7 R( G序号 左右位（mm） 上下位（mm）
8 U# W# m8 G8 v9 M: } ^5 q1 40.508 40.508# R: D c8 m9 t$ _6 `) W
2 40.508 40.513* u) I! U, L* W" ]5 [' o# Y
3 40.511 40.513 m y% l7 |- ]5 E6 l) q
4 40.51 40.512. X5 a4 K% j5 F
5 40.509 40.509
# j# O& V$ y) f1 B0 M6 40.511 40.511
1 |. P( H7 @1 b! ^. ^7 40.511 40.511
, w; P# X$ ?. a4 q) R8 40.51 40.512
3 t s+ y& a& R, ?+ G8 v5 N9 Y9 40.51 40.5113 P1 S7 o: @4 {; C
10 40.512 40.513. V' y0 F {* I: I, v+ [5 j+ _
11 40.51 40.513
9 a$ u c$ ` A7 m% ]12 40.512 40.515
6 x5 g1 k( n' g7 c* ?9 m: a13 40.511 40.514+ Q5 t2 R* \6 N+ z
14 40.509 40.511
% n+ Z9 d) ~& B: C15 40.51 40.511
& L* j. @$ v1 o5 A$ d5 J16 40.511 40.513
% \$ b' ?* @* ^8 V3 D17 40.51 40.511
! ?0 i9 Y7 D" }) v7 c Y& K18 40.511 40.513
( P$ \! w; h6 W; [; ^9 `3 G19 40.512 40.514& e: E2 c/ R3 y9 ]
20 40.512 40.516
k- _. \$ u! l9 X. P1 g3 G" Z21 40.513 40.515& ~% a; r+ ]: x$ Q% j$ R) |
22 40.514 40.517
1 E1 _$ v o& r& u, T23 40.514 40.517
8 r3 Q- w& Z5 x24 40.513 40.516/ ~/ A% A: K" V
25 40.513 40.517
c' c( y4 U4 i/ f1 R4 j26 40.515 40.5181 s7 s( U8 x5 Q9 m/ b- b
27 40.515 40.52/ R; S3 L" a* L5 p. d
28 40.516 40.521/ U r5 t% V$ T8 \6 a! s# {
29 40.516 40.52
) Q% x6 l7 x k30 40.517 40.5214 E9 \8 i4 ^5 w1 s' ?1 d
31 40.518 40.52
* M2 L2 Q/ a p3 o2 A32 40.518 40.5229 X4 M! Y i" Q$ }9 F( p
33 40.517 40.519 q, Z) ]6 |( F. G1 p( a, J: v# K
34 40.519 40.521' Q5 y) q0 |1 j& ]- H) V- Q
35 40.515 40.525% Q& R9 Q* G2 Q+ R
36 40.52 40.52. d+ A, j( ^+ b' y- ]& s5 B8 ~
37 40.52 40.524
4 k) m2 @% b3 |. C# r! n- ?38 40.521 40.5224 a" E9 O* m' h
39 40.52 40.523
7 }7 U) @; t0 j! t( C40 40.521 40.523 |
发表于 2010-1-25 13:32:24
楼主
