Introduction: Lathe Safety Switch. I Made It at TechShop-Detroit

Picture of Lathe Safety Switch. I Made It at TechShop-Detroit

I fear someday I might leave the wrench in the chuck and turn on the lathe. That could be embarrassing, frightening, damaging, costly or injurious. You can buy wrenches with a spring that pops it out of the chuck when you let go, but these are irritating to everyone who has tried them. My idea is safe, convenient, simple and makes a good first lathe project.

Remove the knob for the start switch. Design a replacement that requires the chuck key to function. After all, you don't need the chuck wrench when the chuck is turning. There are many different types of lathe switches, so you will have to come up with your own design. A small scrap of steel, aluminum or plastic and a few set screws is probably all that is needed.

I have used lathes for 45 years and I wonder why I didn't think of this sooner. Its a satisfying addition to your lathe.

I made this at TechShop-Detroit. Learn more at: http://techshop.ws

Comments

blkadder (author)2015-08-08

I like this idea. It is simple and effective. I recall in shop class a chuck key being tossed across the shop when someone powered up their lathe. Thanks for sharing.

rimar2000 (author)2012-07-08

Very clever, congratulations. Thanks for sharing.

Jason Bedard (author)2012-07-07

Makes great sense.

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