[Wog]

Hey guys,
I'm not usually a safety-warning kind of poster, but,
just had a slitting saw grenade on me (yeah, I shouldn't have welded it).
I had the standard Tormach guard on, but after it hit, I thought of those with just a shower curtain between them and the spindle.

Here's a pic of a simple guard I use when milling some UHMW parts without a enclosure just so my shirt doesn't fill up with chips and dust.

(I should disclose that I'm the type that will first remove all the safety guards, etc from a new table saw just because they're in the way!)

Something to consider...

[TiagoSantos]

Yeah that doesn't seem like it'd be much fun. For what it's worth, the shower curtain might be (very slightly) marginally better than machining with no guard or enclosure at all!

More importantly - how and why did you weld the slitting saw?

(I do like that vise guard..)

[Wog]

More importantly - how and why did you weld the slitting saw?

TIG.
I needed to cut without having a washer or bolt head on the underside.

[Gerry Sweetland]

Yikes! Glad you're OK.
Thanks for the heads up on welding slit saws to arbors :stickpoke and a certain amount of sturdy shielding is a good idea.
Gerry

[neilw20]

You could friction weld. Nice fit to just go in the hole, a copper washer between mandrel and blade.
Secure blade very securely, between wooden sandwich.
Spin the mandrel quite fast and apply pressure. Make lots of heat. Stop and apply pressure.
Dunno much about it but a bit of research and it could work well. Certainly better than tig welding.
Friction welding - Wikipedia, the free encyclopedia
Inertia Friction Welding Demonstration - Manufacturing Technology, Inc. - YouTube

[Wog]

You could friction weld. Nice fit to just go in the hole, a copper washer between mandrel and blade.
Secure blade very securely, between wooden sandwich.
Spin the mandrel quite fast and apply pressure. Make lots of heat. Stop and apply pressure.
Dunno much about it but a bit of research and it could work well. Certainly better than tig welding.
Friction welding - Wikipedia, the free encyclopedia
Inertia Friction Welding Demonstration - Manufacturing Technology, Inc. - YouTube

Good idea Neal, thanks.
I made this one probably 18-20 years ago and only have used it a couple of times since.
I'll definitely look into it next time I need one.

[neilw20]

First time I saw it was removing a shaft from an aircraft starter motor gear.
Wondered how the hell it was attached. !! Severe pressure in a press, then bang, it was out, like a bullet.
After examination it was obviously a low temperature friction weld with a copper/brass washer.

[dbrija]

These look like a nice alternative.... Welcome to Peterson Flush Arbor