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!
( R' ]6 I3 q+ i0 A# A+ r; [3 b; B6 }- Q
序号 左右位(mm) 上下位(mm)
3 [+ A: A6 L7 k3 Y8 r1 40.508 40.508- O0 o- {' _; L9 ~+ J( q
2 40.508 40.513
( g& s# D+ M2 x8 h' K9 y; ^/ y* B3 40.511 40.513* t8 k" C6 n( ~7 c7 A5 j! o) M5 r
4 40.51 40.512" c4 ~% g$ E6 [# k) w/ `
5 40.509 40.5092 s4 P: R" U0 H [9 E* S8 n. ?4 w9 B
6 40.511 40.511. e& p2 e; g9 ^! y5 d
7 40.511 40.511
3 s A# q; P- ^7 j& s' H2 B- B8 40.51 40.5121 b$ {" [: m0 {! v- L7 s
9 40.51 40.511 W& ^/ a; ~- B, E: u
10 40.512 40.513& ?' I# S( d8 o9 j2 s, _& @
11 40.51 40.513
9 I. V/ P7 H3 c% ^# ~8 J12 40.512 40.5152 p. n/ c( \& f6 f! O6 z1 p
13 40.511 40.514& a% O: \& n0 I! E
14 40.509 40.511& q+ p6 A5 E0 K Y3 ]" O
15 40.51 40.511
! n0 ]( F7 B* y+ c/ a3 O8 J8 [16 40.511 40.513; V% d" ^8 c" M. e6 [
17 40.51 40.5112 s! ^( S# D$ Z/ A4 q* }
18 40.511 40.5131 ]8 ]" ~* M' ?2 t# J6 \9 z% g
19 40.512 40.514& y* Q+ y9 A9 E& L( f) V
20 40.512 40.516
& E' \( E1 A4 c' d! h" j+ f+ _21 40.513 40.515
4 U8 d+ k4 g' n# a6 Z! z1 x22 40.514 40.517
. F: X/ R: ?" U% J5 |, O3 N23 40.514 40.517
) j) ^0 I% ^; p. ~ Q* ~24 40.513 40.516( y. V& v3 u4 L# B& C
25 40.513 40.517
1 T5 }2 [/ G! D9 C/ C, W26 40.515 40.5180 x' k, L* R8 i3 S+ _+ j
27 40.515 40.52
1 U3 m! d) R5 N0 K3 n5 Y/ o# Y28 40.516 40.521/ o+ D* [" k9 ^; u, u" U
29 40.516 40.52
$ l: v$ `$ k+ \: k( o, k30 40.517 40.521, N! N* P7 W5 |7 ?
31 40.518 40.52* Y. a6 F& a# p6 \8 e
32 40.518 40.522
/ J' \' p6 G1 q6 B8 z33 40.517 40.5198 @- v! n3 U1 w+ Q1 x' z& G
34 40.519 40.521
9 w2 F3 s7 J8 J% j1 V. {5 G35 40.515 40.525
! |3 J: ^1 H" N& w, L# Z U: T36 40.52 40.528 i' f7 ~2 V# Y
37 40.52 40.524
- B7 X$ I7 k1 a' A5 d38 40.521 40.522
, ]" i( S4 r8 W- H39 40.52 40.523# f. ~$ H! ^3 `- @& L$ E' g
40 40.521 40.523 |