Shop Doc Blog
Shop Doc – Improving Surface Finish
Today’s Machining World Archives June 2011 Volume 07 Issue 05 Dear Shop Doc, We are turning a part made from PEEK (polyetheretherketone plastic) and need an 8 Ra surface finish [...]
Shop Doc – Should I rebuild my Acme?
Dear Shop Doc, My Acme-Gridley screw machines have been real money makers over the years, but all that production takes its toll in wear and tear on the machines. Will [...]
Shop Doc: Trouble with Deflection on CNC Swiss
Dear Shop Doc, We are trying to run a variety of very small parts on a 20 mm gang tool CNC Swiss and are having trouble with deflection when cross [...]
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 [...]
Shop Doc – Polygon Milling on a Small Part
Todays Machining World Archives May 2008 Volume 04 Issue 05 Dear Shop Doc, We are trying to make a part of beryllium copper that has a .025″ square pin on [...]
Shop Doc – Justifying Use of a High-Speed-Spindle
Dear Shop Doc, We have often heard the high speed machine spindle is expensive and has to be replaced at some point. Can you shed some light on the high [...]
Shop Doc – Push Back Trouble Using Collets
Today’s Machining World Archives January/February 2011 Volume 7 Issue 1 Dear Shop Doc, On our CNC lathes we occasionally have trouble with push back when using collets on bar jobs. [...]
Shop Doc – High Speed Hard Milling
Dear Shop Doc, We are a mold shop specializing in cutlery molds with large cavities and tiny details, usually from 420 stainless steel hardened to 48 to 50HRC. Some corner [...]
Shop Doc – Tangled Up in Tennessee
Today’s Machining World Archive: April 2010 Vol. 6, Issue 03 Dear Shop Doc, We are running a long aluminum part on our CNC Swiss and have problems with the long [...]
Shop Doc – Indexable Carbide Inserts for Single Point Turning
Today’s Machining World Archives September 2007 Volume 03 Issue 09 Dear Shop Doc, We are frequently utilizing indexable carbide inserts for single point turning processes in our shop. It appears [...]