true cost of intermittent welds 1

[Tmoose]

We are reproducing a simple erosion wear shield bolted inside a coal pulverizer.
Estimated quantities are 3 or maybe 6 of these shields.

The nicely made, but worn out, examples used 1.5" long staggered 1/4" intermittent welds to attach a 3/8" thick 18"Ø steel half pipe to a 1/2" thick flat shield.
I'm thinking the hassle of laying out the stagger pattern, and stopping and starting 16 to 20 times might take more time than just clamping, tacking, and applying a continuous weld.

As a practical matter does the cost of 2X more filler material in the continuous weld outweigh the labor for the staggered welds ?

thanks,

Dan T

 

[DekDee]

TMoose,
I was incorrect and have revised my post.
My interpretation of Southern Hemisphere is anywhere south of the Equator,
Cheers,
Shane

 

[moon161]

I used to work for a cutting table (waterjet, plasma, flame) maker and their plasma tables could use a non penetrating arc to mark the surface with part numbers, setup marks or whatever they wanted. This would be useful for laying out weld starts and stops.

 

[kingnero]

Nice, didn't know plasma could do this as well. This is often done on laser cut parts, for example for tack weld locations or length of weld returns (after a corner).