The authoritative public forum
  for Metal Finishing since 1989
-----

Buffing Problem on Brass

Hello,

We are running a industry from last 20 years in India. We work with brass metal. In last 1 year we are facing problem in the buffing process. While finishing our product with buffing process small pin holes type spots are appearing on metal. These are than removed again with grinding on 600 belt. But it costs lots of time and money.

Uday Bakrania
Manufacturer - India
August 25, 2011

---

We have a similar problem here, and it's been getting worse over the past 5 years or so. I believe it's because the quality of the brass is becoming poorer the more times it's recycled (more/varied impurities).

One way we've found to deal with it is to minimise the temperature of the brass when polishing. After each operation, allow the parts to cool back to room temperature before starting on the next. Often this happens naturally in the course of undertaking the job if there are many parts; however if there's only a few, have your worker set them aside to cool and start on a new job.

John Reid
- Brisbane, Queensland, Australia
August 30, 2011

Thanks for your reply.. but I'm in production of 2000 or more pieces per 3 days... isn't possible with this method.. can you suggest me something else..??

Uday Bakrania
- India
September 7, 2011

Q. Can you suggest me a method for polishing raw brass except buffing; I need alternative method for mirror polishing.

thanks

Uday Bakrania
- Jamnagar, Gujarat, India
April 24, 2012

---

---

---