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!
' ^" B2 h: @6 t! w: k
& R) L+ S- b X' t序号 左右位(mm) 上下位(mm)
* v) j1 Y* o. V; x# V; z" d1 40.508 40.508
' K* |" Y, Q; c% ^2 40.508 40.513$ f- _ ]$ B0 ~5 |
3 40.511 40.513
9 O6 Z& o L! c4 40.51 40.5122 }7 T. y2 i* J9 M" ~3 Q j! }
5 40.509 40.509
( S3 J% p& a! y6 c P0 @7 J: K3 O6 40.511 40.511
* R7 k6 |, M* |6 x) L& l" j5 i! [7 40.511 40.511
/ g; I4 m0 X% R& C8 40.51 40.512& C2 V' r7 U7 T+ e
9 40.51 40.5114 O7 ?. v3 V$ k8 u
10 40.512 40.513
" h# A& j" Z( p11 40.51 40.5135 J' @% _ H9 v* W
12 40.512 40.515
5 x3 f% I, Y: l8 Z$ `5 N13 40.511 40.5146 q/ k% ]7 A+ F2 E* t9 Q, ^1 E* |
14 40.509 40.5110 N& b9 L9 K f$ R
15 40.51 40.5116 ^; |4 A, J6 U
16 40.511 40.513/ U! H. X5 ^* l: @
17 40.51 40.511
5 U4 x+ R0 S+ {& B18 40.511 40.513
. j4 ` g- T l) [19 40.512 40.514
* c( t! k; {& s4 B# b* k20 40.512 40.516, ]3 k- {' t1 @% [- \
21 40.513 40.515% ^: |# j, C/ j, {3 e+ {
22 40.514 40.5179 E6 D" v. p1 G2 U3 ^' s" p
23 40.514 40.5175 K/ p% ^ \. c% c! D
24 40.513 40.516
8 A% ~$ b# e0 {% J8 t25 40.513 40.517
; M, J/ N" K2 z& X26 40.515 40.518
4 j2 K' h: `/ d. y8 b @$ O27 40.515 40.52: B* y* q8 e! u7 i$ g4 H
28 40.516 40.521 ~9 c7 g' }+ Z6 ]
29 40.516 40.52 [/ z2 A; U, a& ^
30 40.517 40.521
# u5 B: h2 U' v& T' f3 c31 40.518 40.52' F- { n- U) h" V( j9 t5 K' |
32 40.518 40.522- W* t2 ]6 V# @2 n5 U/ u
33 40.517 40.519
" Q( V6 Z8 s0 N+ z34 40.519 40.521
# g: w J1 {# O" D35 40.515 40.525
! ?( l8 I0 c2 M: D d, w+ Z36 40.52 40.528 z2 ~, U$ C- n4 u! H& l
37 40.52 40.524
/ a1 B' a6 C. l38 40.521 40.522
" G4 Z3 |/ S+ U4 k0 o9 X39 40.52 40.523
. K5 E. ^2 S7 _40 40.521 40.523 |