Mechanical Finishing

Replacing Media Update

In the July, 2005 issue, you answered my question: How long can I run my straight through vibrator without adding media, the purpose being to then empty the machine and start over with all new media.

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Need a Different Mass Finishing Method

I have 4,000 parts/day of a flat stamping, much like a large flat washer. The problem is that the parts stick together and many of them only get finished on one side. What are your suggestions?

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Deburring with Dry Products

We want to remove the burrs without damaging the glossy finish. We are extremely careful to avoid anything potentially harmful if a child puts it in his mouth. Do you have any suggestions for a media or process?

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Adding a Centrifugal Disc Machine

Our finishing department has three vibrators and a tumbling barrel. We are planning to add a centrifugal disc machine. Will the media and compound we have been using work okay in the centrifugal disc process?

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New Vibratory Finishing Compound Wearing Down Too Fast

What component of the compound causes this accelerated media wear and could it also harm machine parts such as the urethane liner?

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Like New...Only Better?

I have some concern about using this media. Will it debur as well as my angle cut triangles? Will it have shorter life since it is smaller? Can I mix these two media? Should I have any other concerns?

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When to Change Out Chemical Tanks

Question: How do you determine when it is time to change out chemical tanks.

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Passivate Stainless Steel

Question: I have been told that it is not necessary to passivate 316 S.S., but that 303 and 304 must be to provide a corrosion resistant surface.

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Gear Media

Gear Media Question: I have heard the term, “gear media” and I wonder what this is.

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Cleaning Copper Parts

Question: Some of our copper parts, which have been cleaned but not protected by a chemical reagent but cased by vacuum bag, take on a bad appearance after three days.

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