Author

Dr. LaRoux K. Gillespie

Dr. LaRoux K. Gillespie has a 40-year history with precision part production as an engineer and manager. He is the author of 12 books on deburring and more than 220 technical reports and articles on precision machining. E-mail: [email protected].

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Published content

Article May 15, 2017 Dr. LaRoux K. Gillespie

Overview of parts deburring: Drilling Performance

All shops are concerned with burrs, a natural side effect of cutting. They are all looking for a single solution to prevent or remove burrs. Unfortunately, there is no panacea.

Article July 15, 2014 Dr. LaRoux K. Gillespie

Top finishers: Solutions for 10 of the most challenging deburring applications

Part complexity combined with difficult material properties make deburring a challenge for many part manufacturers.

Article July 15, 2013 Dr. LaRoux K. Gillespie

Smoothing edges: General Industry Coverage

Four deburring methods for mass finishing microparts.

Article August 15, 2009 Dr. LaRoux K. Gillespie

Hit it again, harder

When finishing parts, shops may want to hit them with their best shot. Shot peening can produce longer part life.

Article June 15, 2009 Dr. LaRoux K. Gillespie

Surface Strategy: Turning Performance

Parts that meet drawing dimensions can still end up as scrap if they lack surface integrity.

Article April 15, 2009 Dr. LaRoux K. Gillespie

Burr tabs: Drilling Performance

The cost of burrs in manufacturing are surprisingly high. Tracking and reducing costs or--better yet--minimizing burr formation can improve productivity.

Article March 15, 2009 Dr. LaRoux K. Gillespie

Hole in Three: Drilling Performance

Ballizing, lapping with wire and brushing are three simple and economical hole finishing techniques that yield impressive results.

Article July 1, 2008 Dr. LaRoux K. Gillespie

Drag Race: General Industry Coverage

Drag finishing—fixturing parts and dragging them through abrasive media—can prevent part-to-part contact, achieve tight edge tolerances, impart fine finishes and be used on parts with a number of characteristics: delicate, high value, complex geometries and multiple contours.

Article June 1, 2008 Dr. LaRoux K. Gillespie

(Non) Risky Business: People & Companies

Thinking about and managing the risks of operating a job shop and machining parts is a straightforward process when using tools such as risk matrices and Failure Mode and Effects Analysis.

Article April 1, 2008 Dr. LaRoux K. Gillespie

Alluring Deburring: Testing & Quality Assurance

Magnetic abrasive finishing can deburr and create highly polished, smooth surface finishes. It can also remove microcracks, recast metal, metallurgical phase changes, visible scratches and damaging residual stresses.

Article September 1, 2007 Dr. LaRoux K. Gillespie

Cool Quality: General Industry Coverage

Ways to control temperature effects to improve part quality.

Article December 1, 2006 Dr. LaRoux K. Gillespie

Burr Down: General Industry Coverage

Machinists can reduce or prevent burrs in the metalcutting process.

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