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topic 52636

Vibratory finishing of steel


A discussion started in 2009 but continuing through 2018

July 15, 2009

Q. I manufacture silver smith stakes. These are made from hot forged mild/medium carbon steel. My process is as follows after the part is forged and bent it is rough ground with 100 grit belt to remove any flaws or pits. It is then descaled in a steel shot drum tumbler. I sand the parts with a 220 grit belt on a soft cloth contact wheel. Then I buff with a 300 grit latex bonded abrasive then use a steel cut and color compound. I achieve a near mirror finish with this process but it is time consuming and grueling. I am wondering if I can use vibratory finishing to cut out the second or third step of the process. The parts are basically long steel tapers bent in a squiggle shape.

Timothy Miller
forge shop - Bayport, New York, USA


July 21, 2009

A. Just from your process description, I would definitely think you can eliminate a lot of time using mass finishing equipment. If nothing else, you will be processing a lot of parts at one time. To get the finish you require may take a 2 or 3 step process, but again, it is machine time, not hand work.

tony kenton
AF Kenton
Hatboro, Pennsylvania



September 12, 2018

Q. I need to polish a t-type flange with radius of 0.5 mm; its width is 3.2 mm can you tell me what media to use and polishing compounds.

Fahad Farooq
- Lahore, Punjab, Pakistan


September 13, 2018

? Do you know what the surface finish is now? Ra or RMS? Also do you have a vibratory or centrifugal system?

tony kenton
AF Kenton
Hatboro, Pennsylvania



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