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！
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序号 左右位（mm） 上下位（mm）' _& o; s/ b6 N5 q- x
1 40.508 40.508
1 Z; }- H; G4 D$ r3 t2 40.508 40.513
$ W, K' f/ J1 N3 g) h8 s. A3 40.511 40.513+ G' R" a; k& P1 ?
4 40.51 40.512( O4 E+ R! L, N2 ~) _
5 40.509 40.5091 ? X: r, U1 A! R
6 40.511 40.511
: g3 w+ p5 p& U$ R7 40.511 40.511
! T" b s3 r; U L' F, R8 40.51 40.512% p6 _( N5 e0 h2 f. T7 h. U
9 40.51 40.511! k! e) J4 Z9 Q L2 t7 f
10 40.512 40.513) k( r5 |1 h5 D' T, v0 _* @5 D5 A
11 40.51 40.5134 q8 K. \& Y5 W6 J; Q$ l
12 40.512 40.515( M4 n ~) `* J4 V3 k9 y
13 40.511 40.514$ [& L- ^) X6 ]: |1 U( c
14 40.509 40.511
' p& t- V0 H. m, }. x& m$ A; f" @15 40.51 40.511; l7 M) ?3 ?0 X1 w
16 40.511 40.513: o5 G" z/ U8 d6 C) A& R) ]
17 40.51 40.511
. _( j! v4 Z- Y) }# R! L- ~* p5 c18 40.511 40.513 j# Q+ @! y- R! F: k# _; j
19 40.512 40.514
; a/ c: F: R2 g# e# K: L2 M20 40.512 40.516+ I) K+ }- m1 r: n J* p& T
21 40.513 40.5158 R: S" z7 R c, J
22 40.514 40.517) g; M7 y+ J( Q- Q; P+ S: M: S
23 40.514 40.5171 O$ u' ^) \# c
24 40.513 40.516
) L% N0 ]# w4 u L25 40.513 40.517( H# F: h! Z5 b4 d
26 40.515 40.518+ f/ w# ~+ D2 R+ I0 X
27 40.515 40.52
7 I( Y: X, H8 N8 ~; i$ l28 40.516 40.521
4 }/ @. O, F/ `6 H29 40.516 40.52
& a* L! H) t. K6 R5 J30 40.517 40.521
4 O. W# ]/ |" b+ X2 c6 h31 40.518 40.52. L, I$ R' O; o) A' k0 v
32 40.518 40.522! E/ X5 p+ O& \" z
33 40.517 40.5190 U3 I8 u+ k0 a) b5 L
34 40.519 40.521
8 f2 w4 [, M$ D$ U+ d) S" B35 40.515 40.525
3 |$ t( H, K$ {+ j/ z& E- a36 40.52 40.52 q# R" Y2 X) Y5 \8 g9 e
37 40.52 40.524
- F" E4 `% i3 @: P+ F38 40.521 40.522
* k) s) W) r9 g: h7 u y9 P39 40.52 40.523 ]" s8 d/ S( S7 z6 c" R& s- q
40 40.521 40.523 |
发表于 2010-1-25 13:32:24
