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Finishing Aluminum Parts
We are machining a 6-inch, complex-shaped, 6061 aluminum part. We need to further improve the surface finish from the machined 32 Ra to 12 Ra, maintaining a uniform, pleasant finish. What finish system should we consider?
Ask an Expert Published: 3/19/2013
Applications for Plastic Media
Ask an Expert Published: 9/28/2012
Customer Wants Burnished Finish
A customer has asked us to provide a shiny, burnished finish to powdered metal parts.
Ask an Expert Published: 7/3/2012
Optimizing Compound Flow Rates
We operate six round vibratory finishers that range in size from 3 to 25 cu ft. Compound is fed to each machine from a central mixing system, each machine having from one to four nozzles to feed the compound. Four of the machines are hand loaded and...
Ask an Expert Published: 3/30/2012
Nitrites and Fragrances
We are using a vibratory finishing compound that has been satisfactory for more than 20 years. Recently, a potential new vendor pointed out that it contains sodium nitrite and said we are violating the law in using it. We checked with our supplier, ...
Ask an Expert Published: 1/26/2012
Selecting a Vibratory Finisher
Can you recommend selection criteria for buying vibratory finishing machines?
Ask an Expert Published: 1/10/2011
Cylinders Take a Tumble
In your April column, you strongly recommended against cylinder media. Yet, in the same and other publications, many other articles on media selection refer to the popularity of cylinders, and they often recommend them for hole deburring and general...
Ask an Expert Published: 7/1/2010
Tips for Green Mass Finishing
In your area, mass finishing, can you give me some guidelines to reduce the use of non-renewable resources?
Ask an Expert Published: 1/1/2010
Vibratory Parts Washer
A new manufacturing engineer with our firm suggested that we look into a vibratory/washing operation, perhaps even replacing the deburring machine. Can you comment on this?
Ask an Expert Published: 1/1/2010
Origin of Internal Separators
I can readily understand that the internal separators are what drove the popularity of round over tub style vibrators. I am wondering where, or when, this improvement was invented. More than one company has claimed to be the first. Do you have any i...
Ask an Expert Published: 1/1/2010

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