Shop Doc
Problems Turning Tiny Parts on CNC Swiss
Dear Shop Doc, We have a CNC Swiss that we use to turn very small precise parts. When a part has several different diameters I notice that when one diameter [...]
Shop Doc – Flaking in the Threads with Brass Parts
This question about Wickman threading attachments came from Bob Schneeberger of LD McCauley in Orchard Park, NY. BOB’S QUESTION: Our client needs a thin walled brass part. My screw machine [...]
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 – 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 – Stop the Bore-Dumb
Today’s Machining World Archive: September 2006 Vol.2, Issue 09 Dear Shop Doc, I have problems at times with indexable boring bars when boring holes on my lathe. It seems the [...]
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 [...]