數控車床，車鋁合金工件40.5mm的內孔，公差0.03mm，一批車下來內孔尺寸逐漸變大大概四十件（一個小時）變大0.01mm。我們做了系統X軸的重復定位測試，一個小時變化在0.002mm之內。另外，內孔車得不圓，橢了0.005mm到0.01mm。請大家幫忙分析！( p& k f! r$ `+ M
7 Q7 _9 X3 }9 M z* k; N# Z) J$ H% h
序號 左右位（mm） 上下位（mm）
% e* n$ w, e% Z* C0 g0 e/ f1 40.508 40.508
' H; d! B! Q9 K% d$ u; E! O1 O2 40.508 40.5137 O6 ]( h" F" p. |8 c* E% Q+ H
3 40.511 40.513
3 ]% ?8 a4 v' E! c4 f0 T4 40.51 40.512; P" P3 c# A8 `) a, @
5 40.509 40.509
2 X+ a6 S; }$ i! L7 d; U( u6 40.511 40.511
5 o: ?( d2 u( ^% B% j: h7 40.511 40.511
* n5 ]) l$ z$ ?; K) I8 i% I8 40.51 40.512: r: }% R5 n+ Z# w, I; P, A
9 40.51 40.511
" F( F) U+ R3 @( S* ]10 40.512 40.513$ D0 H5 W g0 }) B
11 40.51 40.513
2 T1 v8 ~) U5 Q12 40.512 40.515- A' B) k% M* Q* ^
13 40.511 40.5144 F: A6 b0 p, `; `8 a
14 40.509 40.5113 v* h& x. k9 J" b5 M+ l) `
15 40.51 40.511
' R# K' M* |5 W& }9 N( S& [0 ~16 40.511 40.5138 [9 J6 A+ }8 s7 y
17 40.51 40.511% q4 L$ C' m* b' D
18 40.511 40.513
6 h P$ X2 L5 v4 U/ s3 |19 40.512 40.514- L5 Y5 L$ g; x. o
20 40.512 40.5161 G4 t7 j0 w9 ^* V6 B6 _
21 40.513 40.515
8 U/ O& S' ~1 B7 z22 40.514 40.517
% H. Z3 l! _) j9 y, r# g% u6 l. \0 q23 40.514 40.517" ]3 @% s% _1 l/ C# o G
24 40.513 40.516
) M9 u Z6 f* ? ~& ?' [25 40.513 40.517
. ^! o; q4 f2 G. T: d- y' U! W26 40.515 40.5186 `8 u b' W5 {0 f( Q2 Y1 E
27 40.515 40.52! ?: U' |% W$ O( U
28 40.516 40.521# n- V' I9 w" D$ y) ]
29 40.516 40.521 U7 ]( U! A. y6 A1 j
30 40.517 40.5214 k. g S2 x, E( P5 p( A) Y
31 40.518 40.529 L1 Z# U# H) q2 ?* a
32 40.518 40.522
( t1 Z1 u& M6 M6 Q33 40.517 40.519
, l" |9 i7 ]/ ?- m2 q34 40.519 40.521
4 g+ Q9 u% O/ ?: ]! R; j: {35 40.515 40.525: s* n! m3 P/ X2 X4 L6 E
36 40.52 40.52
/ _& Y" C% f: S) n( b) l, ^# F37 40.52 40.524
* @, R! B' H+ e( V38 40.521 40.522! Z( b P/ p! }2 p$ h, Q O6 M! b
39 40.52 40.523 M4 h9 ^7 T4 U. x: Y/ z! v3 ]
40 40.521 40.523 |
發表于 2010-1-25 13:32:24
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