Mechanical Finishing Clinic
Pat Wenino

Pat Wenino

Mechanical Finishing columnist Pat Wenino is a veteran of more than 30 years in the industry and author of the textbook Metal and Composite Finishing. He answers your questions on all things Mass and Mechanical finishing.

Got a question or comment for Pat? Send him an email.

The latest from the Mechanical Finishing Clinic

Reducing Processing Steps for a High Luster Finish

Is there a process that can eliminate one of our cut steps and how do we get a little brighter microbrite finish?

Ask an Expert Published: January 19, 2015

Recirculation of Mass Finishing Process Solution

How can we recirculate our process fluid in our vibratory machine without discharging to drain?

Ask an Expert Published: January 19, 2015

Internal Cross Hole Deburring

Is there a reasonably priced deburring system that can handle four-inch deep cross holes in aluminum aerospace machined parts?

Ask an Expert Published: January 19, 2015

Multiple Finishing Processes in One Robotic Finishing Cell

How can a shop reduce costs when multiple part families require several finishing tasks?

Ask an Expert Published: October 01, 2014

Powder Coat Stripping on Aluminum Parts

What is an efficient process for removing rejected powder coating from 6-inch 6061 aluminum without damaging the substrate?

Ask an Expert Published: October 01, 2014

Dry Mass Finishing Vibratory Processes

Is it possible to run a dry vibratory deburring process for steel parts?

Ask an Expert Published: October 01, 2014

Bowl vs. Tub Vibratory Machine

What should a shop keep in mind when purchasing its first vibratory machine for general finishing and deburring?

Ask an Expert Published: July 01, 2014

Media That Stays Sharp

Is there a sharp, preformed ceramic media shape that can reach into tight-radius areas of parts?

Ask an Expert Published: July 01, 2014

Controlling Tight Radius Tolerances

What are some tips for deburring medium-size steel parts while maintaining strict radius tolerances?

Ask an Expert Published: July 01, 2014

Deburring by Magnetic Spinner

Is there a machine that can deburr intricate knurls, slots and holes in small aluminum and stainless parts?

Ask an Expert Published: July 01, 2014

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