Now attached .............. On 01/19/2012 08:03 PM, Duaine Hechler wrote: > Paul, > > I've used a bench grinder with a polishing wheel with great success. > > The key is to keep the key moving - meaning I make a complete pass of the key then if need be I make multiple passes. > Although, one pass usually does the job - along with keeping a good amount of polish on the wheel. > > See inline pic ............ > > > > > > > On 01/19/2012 05:29 PM, Paul Mulik wrote: >> An older Baldwin concert grand that I tuned recently has really grimy ivories. I was thinking of polishing them with >> bar polish (Schaff No. 425) and a buffing wheel on my bench grinder, however I have heard that using a grinder with >> RPMs that are too high can burn the ivory. What speed is safe, and what is the best buffing wheel to use? >> >> Thanks, >> Paul Mulik >> Joplin >> > > -- Duaine Hechler Piano, Player Piano, Pump Organ Tuning, Servicing& Rebuilding Reed Organ Society Member Florissant, MO 63034 (314) 838-5587 dahechler at att.net www.hechlerpianoandorgan.com -- Home& Business user of Linux - 11 years -------------- next part -------------- A non-text attachment was scrubbed... Name: Key.jpg Type: image/jpeg Size: 139829 bytes Desc: not available URL: <https://www.moypiano.com/ptg/pianotech.php/attachments/20120119/f3606832/attachment-0001.jpg>
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