Mr. Bone Screw

Shop Doc: Mr. Bone Screw

Dear Shop Doc, I’m going to be rotary broaching a 9/64” hex in titanium. The hole is a blind hole about .160” deep. I’m worried about hydraulic pressure building up [...]

Micro Beginnings

Dear Shop Doc, I have recently been asked if my shop does “micro” machining. I’ve done some work on small parts recently, but I’m not exactly sure what is meant [...]

Shop Doc – Micro Beginnings

Dear Shop Doc, I have recently been asked if my shop does “micro” machining. I’ve done some work on small parts recently, but I’m not exactly sure what is meant [...]

“Twisted” while Broaching 400 Series Stainless

I’m using a quarter inch hexagon broach to create a quarter inch deep form in 400 series stainless steel. However, the form is twisted, somehow spiraling from one end to [...]