Interesting lathe accessory

[Maryak]

48 years on and I still have a hole in my back where the guy behind me left a parallel strip in the chuck behind the workpiece. Had my lathe been running at the time I doubt I would be writing this. :'( If this little gizmo had been around it probably would not have happened.

Best Regards
Bob

 

[Cliff]

Back in the early 70's when I first was learning how to run a lathe I left the chuck key in the chuck and it came out and hit me in the shoulder I thought I had broke something but being a eighteen year old kid I was scared to tell my boss but it taught me a lesson not to let go of the chuck key until it is out of the chuck. Also it is very hard on the insides of a Dial Indicator if you run the lathe with them touching and it wears them out prematurely or worse. Cliff.

 

[popnrattle]

Thanks for the kind remarks and hope it makes your machining more fun! Safety irony: the more loose the part is chucked the better, but if 2 loose the bearing will "walk" it from the jaws because the closer the part is to being "indicated" the looser it gets!! So, get ready to duck!! Yea! and back the bearing off as slowly as you can before the part starts "walking". Pay attention to this detail and practice on parts you are willing to scrap. :'( You will eventually get the "feel" for it. Of course your chuck should always be indicated with a "standard" ground pin for best results. ;D BTW the bearing used is 8mm ID 22mm OD. (perfect for a 5/16 SHCS) same brg.as used in those rubber/plastic wheels on a "Razor" push scooter.

 

[tel]

Interesting - that's the same sized bearing I pulled out of the drawer to make mine - I like it already!