. , , , .
, . USL LSL , σ . , , Cp :
,
: p = (15,718 5,9255) / (6*3,65) ≈ 0,5
-
-
Cpu = (15,718 10,822) / (3*3,65) ≈ 0,5
Cpl = (10,822 5,9255) / (3*3,65) ≈ 0,5
Cpk = min (Cpu, Cpl)
Cpk = min 0,5
Cp=0,5 10%, 100 000 ppm.
: Cp Cpk , . , , .
: AQL 4,0 %
N = 100 ( 18242-72).
1. :
- II
2. N:
- F
3. ( 3.1):
3.1
Ac | |||
Re | |||
a |
) ( ) , ( 3.1).
.3.1.
)
2 5 , .
, , .
10 ( , ) , .
)
|
|
5 , .
)
, :
10 ;
, 10 , (10*20 = 200 => 10 2);
.
)
, :
;
, , , , ;
;
;
.
3. ( ):
3.2
p | Pa |
2,18 | 99,0 |
4,03 | 95,0 |
5,51 | 90,0 |
8,68 | 75,0 |
13,4 | 50,0 |
19,6 | 25,0 |
26,6 | 10,0 |
31,5 | 5,0 |
42,0 | 1,0 |
.3.2.
AOQL 6,9; - 4,2.
, β=10% 25%.
, β=5% 28%.
: , , .
.
.
:
a () = 6 ;
b() = 14 ;
NQL = 4,0%;
σ = 2,82 .
9001 9002.
, .
9001 9002, 6 β0 = 0,9.
.
NQL=4,0 % 1,418 => n ( 50779.53-98).
n = 5.
:
= a + 1σ 1 =1,18
= b - 1σ
=6 + 1,18*2,82=9,327 ()
=14 - 1,18*2,82=10,672 ()
:
n=5
=9,327 ()
=10,672 ()
( 8.1):
8.1
X1 | X2 | X3 | X4 | X5 | X | ||
9,962 | 5,262 | 9,217 | 15,175 | 12,838 | 10,4908 | ||
12,555 | 15,292 | 14,318 | 16,57 | 11,302 | 14,0074 | ||
9,78 | 12,797 | 10,544 | 9,659 | 15,315 | 11,619 | ||
7,893 | 14,771 | 10,5 | 11,246 | 13,957 | 11,6734 | ||
5,158 | 7,571 | 11,804 | 9,386 | 13,777 | 9,5392 | ||
9,952 | 7,971 | 9,743 | 10,574 | 14,542 | 10,5564 | ||
12,179 | 13,555 | 4,99 | 7,448 | 2,777 | 8,1898 | ||
9,513 | 15,358 | 11,9 | 9,712 | 0,245 | 9,3456 | ||
12,815 | 13,724 | 19,433 | 14,72 | 10,591 | 14,2566 | ||
16,267 | 6,862 | 6,649 | 11,085 | 12,141 | 10,6008 | ||
11,046 | 8,16 | 8,182 | 12,687 | 7,21 | 9,457 | ||
10,271 | 6,2 | 12,278 | 7,304 | 14,47 | 10,1046 | ||
8,989 | 12,009 | 7,251 | 9,779 | 8,981 | 9,4018 | ||
15,64 | 11,594 | 7,444 | 11,673 | 10,033 | 11,2768 | ||
7,542 | 14,123 | 10,316 | 15,345 | 10,234 | 11,512 | ||
13,125 | 8,03 | 12,304 | 11,653 | 18,014 | 12,6252 | ||
5,619 | 10,2 | 7,041 | 17,175 | 12,508 | 10,5086 | ||
5,738 | 10,496 | 13,37 | 7,082 | 8,574 | 9,052 | ||
14,347 | 5,861 | 9,295 | 16,738 | 15,342 | 12,3166 | ||
8,436 | 14,759 | 10,381 | 9,11 | 6,807 | 9,8986 |
|
|
: : 1,5,6,8,10,11,12,13,17,18,20 , 2,3,4,7,9,14,15,16,19 .