Gauge block wringing is probably nothing new to experienced machinists, but for the rest of us, it’s a pretty neat trick. To start the show, [AvE] gives us a little rundown on “Jo blocks ...

Gauge block wringing is probably nothing new to experienced machinists, but for the rest of us, it’s a pretty neat trick. To start the show, [AvE] gives us a little rundown on “Jo blocks ...

Scanning a variety of precision optical and metrology equipment to find the flattest and smoothest material. In the very first AFM video, I showed a "precision" gage block and everyone was ...

Generally a figure between .005 and .010 inch is acceptable. On some engines, you can also measure crank endplay by inserting a feeler gauge between the crank thrust flange and the thrust bearing.