Shop Doc
Shop Doc – Reducing Chatter
Today’s Machining World Archives November/December 2010 Volume 06 Issue 09 Dear Shop Doc, In our facility we do a lot of general purpose face milling applications. We’ve got a new [...]
Shop Doc – Dysfunctional Machine
Today’s Machining World Archives September 2010 Volume 06 Issue 07 Dear Shop Doc, We have a machine that occasionally frustrates us to no end. Sometimes a dimension goes out and [...]
Shop Doc – Chatter while turning on 20mm Swiss CNC Lathe
Today’s Machining World July 2008 Volume 04 Issue 07 Dear Shop Doc, We are having trouble with chatter while turning on our 20mm Swiss CNC lathe. We recently replaced the [...]
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 – Thread-rolling
Today’s Machining World Archives May 2011 Volume 07 Issue 04 Dear Shop Doc, We have always performed single point threading for external threads on our CNC lathes, but lately we [...]
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 – 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 – Compensate for Brush Wear
Today’s Machining World Archives March 2011 Volume 07 Issue 02 Dear Shop Doc, We need to make multiple passes back and forth to clean a part, but we need to [...]
Shop Doc: Measuring a Hex Hole with Go/No-Go Gauges
Dear Shop Doc, Like most machinists, when I’m making screws I check most of the dimensions with calipers and a micrometer. But I’ve noticed it’s not very easy to [...]
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 [...]