H-M Supporter - Gold Member
H-M Supporter - Gold Member ($25)
- Jan 2, 2016
Also do not dare think you are stronger then a lathe.
Sorry, Didn't intend to dredge up old memories.Not again!
I don't get how that patent was ever approved. I can think of several machines where you have to insert the key in a holder in order for the machine to operate, including this old wards drill press/ overhead router combo. You can see the key inserted on the bottom right side. Made well before the 2014 patent.
I cant see how this could go bad at all! I did a similar job where I had welded up some cracks in a spun disk then had to dress down the welds and re polish. Could have held a pin in my backside the entire time. Next time I know its just not worth what I was realistically able to charge.
I still consider myself a rookie hobbyist, but in my prior professional life, I worked at valuing risk for large corporations. Over the years, I've found that that training has caused me to subconsciously consider ways to identify and reduce risk in all facets of life - including hobbies. I've never had the pleasure of soiling myself because I inadvertently left a chuck key in a lathe, but I recognized the danger early on. A while back, I bought a Harrison M300 lathe that needed a lot of work. (My philosophy has always been the best way to learn how to 'use' a piece of equipment is to learn how to work on it.). I quickly noticed the hazard of a flying chuck key on that lathe, and it seemed to me a good machining and wiring project for a rookie would be to fabricate a lathe cover/cut-off switch for it. Attached is a picture of the result. I intentionally made it short enough to not cover the business end of the chuck in case I ever wanted to turn an oversized part. Bottom line is I CAN'T make that mistake on this 1979 model M300. It ain't pretty, but it works!Very first mistake I made when I started running a lathe for the first time. I fired up the lathe and all I heard was something smack the wall about 20 feet away. Come to find out, it was the lathe key. I thought "woah!! if that hit my face I could have been hurt bad" . Never did that again.
"...I personally prefer to always be conscious and careful..." You must be young.I'll start out by saying that I like and appreciate EVERY ONE of the "safety interlock" ides that have been presented here. But I've hesitated doing this. I personally prefer to always be conscious and careful, and not get dependent on external devices. Maybe I'm paranoid, but I'm concerned that I could get complacent, especially if if I'm at somebody else's tool that's not similarly equipped.
My good habits were brought home to me one day at work. I was carrying a cordless drill across the production floor, and happened to notice that I was practicing good gun safety - trigger finger placed along the side of the drill, rather than on the trigger
Be safe, everybody!
I saw a you tube video recently where the owner of a bench lathe mounted a limit switch below the bench top next to a through hole. It was a small lathe and he wired the limit switch in line with the hot motor lead.I do not get that mag, but remember it thus either on here or youtube or something.