Volvo Group STD 181-0004 / ISO 5817 Annex C
Transcript of Volvo Group STD 181-0004 / ISO 5817 Annex C
2
•
•
•
•
•
3
Volvo Group STD 181-0004 / ISO 5817 Annex C
0
100
200
300
400
500
600
700
800
900
1000
Fati
gue
life
in t
ho
usa
nd
cyc
les
Weld quality
VB
VC
VD
”Smooth transition”
ISO 2553
Weld toe radius
n
2n
4n
4
5
X Y Z
Gauge contributed with 60% of the total variation
P. Hammersberg, H. Olsson, Statistical evaluation of welding quality in production, Proceedings
of the Swedish Conference on Light Weight Optimized Welded Structures, p. 148-162, 2010.
6
7
8
9
10
11
12
Rule of thumb:
Reduce the throat thickness by 10 %
= Reduce the complete welding cost by 20%
13
Total cost reduction : 2 041 KSEK/year
14
Total cost reduction: 82 718 KSEK/year
15
Localclient
V, A, gas flow wire feed, …
Operator Go / No Go
Manufacturing and R&D Management
Production and Design Engineering
Customer applications
16
•
•
•
•
17
Customer Gain
Increased productivity
Filler material savings
Weight savings
Less scrapping & repair
Shorter lead time
?
who
For
18
Ensuring Excellence