volvo group std 181-0004 / iso 5817 annex c

18
1

Upload: others

Post on 02-Oct-2021

19 views

Category:

Documents


0 download

TRANSCRIPT

Page 2: Volvo Group STD 181-0004 / ISO 5817 Annex C

2

Page 3: Volvo Group STD 181-0004 / ISO 5817 Annex C

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

Page 4: Volvo Group STD 181-0004 / ISO 5817 Annex C

4

Page 5: Volvo Group STD 181-0004 / ISO 5817 Annex C

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.

Page 6: Volvo Group STD 181-0004 / ISO 5817 Annex C

6

Page 7: Volvo Group STD 181-0004 / ISO 5817 Annex C

7

Page 8: Volvo Group STD 181-0004 / ISO 5817 Annex C

8

Page 9: Volvo Group STD 181-0004 / ISO 5817 Annex C

9

Page 10: Volvo Group STD 181-0004 / ISO 5817 Annex C

10

Page 11: Volvo Group STD 181-0004 / ISO 5817 Annex C

11

Page 12: Volvo Group STD 181-0004 / ISO 5817 Annex C

12

Rule of thumb:

Reduce the throat thickness by 10 %

= Reduce the complete welding cost by 20%

Page 13: Volvo Group STD 181-0004 / ISO 5817 Annex C

13

Total cost reduction : 2 041 KSEK/year

Page 14: Volvo Group STD 181-0004 / ISO 5817 Annex C

14

Total cost reduction: 82 718 KSEK/year

Page 15: Volvo Group STD 181-0004 / ISO 5817 Annex C

15

Localclient

V, A, gas flow wire feed, …

Operator Go / No Go

Manufacturing and R&D Management

Production and Design Engineering

Customer applications

Page 16: Volvo Group STD 181-0004 / ISO 5817 Annex C

16

Page 17: Volvo Group STD 181-0004 / ISO 5817 Annex C

17

Customer Gain

Increased productivity

Filler material savings

Weight savings

Less scrapping & repair

Shorter lead time

?

who

For

Page 18: Volvo Group STD 181-0004 / ISO 5817 Annex C

18

Ensuring Excellence