broken gear tooth

I have done these repairs with brazing rather than any sort of welding. It is much easier to cut the tooth form afterward on a shaper or milling machine.

309 or 312 is a better choice since you are welding on carbon steel. As long as you are satisfied with the difficult machining of stainless it certainly will work.

I agree with the previous reply, Brazing will make cutting new teeth much easier. Brass teeth should last a lot of years even under industrial production ues.

Its very common to drill and tap for bolts the same size as the base of the tooth..usually 2-3 bolts/screws and then profile them with a file.

You can at that point either fill (Cover) them with braze or run them as is.

The SB lath isnt very highly loaded..so straight brazing works ok. I think Id be careful about which braze material Id use though...something tougher than normal might be better. Phosphor or silicon bronze perhaps...nickle/silver would be good.

Keep in mind..some of those gears are cast iron, others are actually steel.

Gunner

I am the Sword of my Family and the Shield of my Nation. If sent, I will crush everything you have built, burn everything you love, and kill every one of you. (Hebrew quote)

I'd use bronze brazing. A bit stronger than brass. It is also standard in coated bronze rods that are small. It attaches nicely to steel - I use thin bronze rod to attach some fingernail size targets.

Mart> >> Hi,