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！7 z+ N6 R& |) L6 R6 u1 |/ [7 ^! N
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序号 左右位（mm） 上下位（mm）
6 _5 m; w- @6 G [' T5 E1 40.508 40.508% A+ R" S" M+ Y' e" b8 h/ K6 [' c; I
2 40.508 40.513% J; f5 G. L, n1 F! y9 @
3 40.511 40.5133 b) @( U, }/ J- l
4 40.51 40.512) c! H# v3 Q4 N, F$ t' f" R& |8 O
5 40.509 40.509
$ j' p4 l; e' l+ P6 40.511 40.5119 @, z" a; u$ Z
7 40.511 40.511' J; }0 O3 `/ a3 w9 k
8 40.51 40.512
( t* b; r+ d6 x0 j9 t( w! n% g9 40.51 40.5119 }8 V% } }+ k+ i: ^) ^0 _7 B
10 40.512 40.513# a ]5 A/ D* P( B# z! H! a, ?3 \
11 40.51 40.513
% Y9 {& C- ]+ o! R% y Y0 w12 40.512 40.515
& V S) X% ?/ x8 @13 40.511 40.514
8 s) R p, }9 @8 X, X- r) k( C, i14 40.509 40.511
" q1 `$ `' o# l7 ~% ^; d! L" D, Y15 40.51 40.511
, ?3 h& d* F( @) E2 B' b16 40.511 40.513$ P. ?( l8 ]3 _8 d
17 40.51 40.511
% t. ?3 O" Q0 p& a18 40.511 40.513
; m, r- y5 \/ I0 F' a5 R6 m19 40.512 40.5141 c, Y) r4 p( z) l2 }
20 40.512 40.516
+ W, \( a# O- `+ U4 w1 r21 40.513 40.515
1 E) s, G' z: w22 40.514 40.517
* x& _/ `& ~" h23 40.514 40.517% }9 a, D: }9 C" D( s
24 40.513 40.516
$ _! R3 y* l4 R$ T. |) I0 W6 R25 40.513 40.517
+ i& [$ f; c$ ?, z4 @% r1 @6 l26 40.515 40.518$ S2 r9 C( M3 d% Y A: w( n4 a
27 40.515 40.52
" _/ d) s$ [: T% e2 E28 40.516 40.5217 N7 @& u7 q; |3 ^
29 40.516 40.52- p9 X9 Q) M# m& z( e
30 40.517 40.521
) Z. ]0 b% A0 M4 X2 E/ ]31 40.518 40.52
; {& Y, _1 C# y0 J; L# G+ v32 40.518 40.522- h5 S0 y7 P1 S x* h% m, j; `
33 40.517 40.519/ R5 t g! `7 O- z
34 40.519 40.521
) b4 x8 [* ?! n% L35 40.515 40.525
2 z& ?0 j+ V, d2 }1 m& X! y36 40.52 40.52
! o' `; o" }( k37 40.52 40.5240 p6 Q3 M) h8 t* Z3 N
38 40.521 40.522
" c% I ]! L7 D; C% ^0 \# V6 M7 c39 40.52 40.5232 I6 f5 e) Q6 }9 `5 t
40 40.521 40.523 |
发表于 2010-1-25 13:32:24
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