Bench grinders vs. Buffers
I am forever looking for a better way to finish small parts. I have
been looking at buffing machines and the first thing that struck me was the price discrepancy between them and comparable size bench grinders. Whereas I can get a 1/3HP bench grinder for $40, a no-name buffing machine of the same power is $105. If one goes up to, say, Baldor, one is lucky to see any change from $300. Why is that? Is it a bearing issue? Why would a $40 bench grinder not be able to do the same job as a more expensive buffer? Michael Koblic, Campbell River, BC |
Bench grinders vs. Buffers
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Bench grinders vs. Buffers
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Bench grinders vs. Buffers
On Dec 1, 9:08*pm, Ecnerwal
wrote: Depending on your buffing jobs, you might also look for super-cheap (used will generally get you more for the money) wood lathes, which can be set up with a long arbor between centers and multiple buffs. Rather than multiple buffing machines or changing wheels, IF the parts can be worked without needing a free face to the wheel, you can load up 3-5 buffing wheels and move from one to the next with no time for setup, other than cleaning the part. A friend showed my his similar setup using a garage sale vari-speed wood lathe. He had various arbors made for all his wheels - grinding, buffing, and wire. It was a very slick setup and one I intend to duplicate. |
Bench grinders vs. Buffers
On Thu, 01 Dec 2011 22:08:45 -0500, Ecnerwal
wrote: [...] Depending on your buffing jobs, you might also look for super-cheap (used will generally get you more for the money) wood lathes, which can be set up with a long arbor between centers and multiple buffs. Rather than multiple buffing machines or changing wheels, IF the parts can be worked without needing a free face to the wheel, you can load up 3-5 buffing wheels and move from one to the next with no time for setup, other than cleaning the part. Great suggestion! Why did I not think of that? I have a (not so super-cheap) wood lathe. I shall look into this concept. Thanks. Michael Koblic, Campbell River, BC |
Bench grinders vs. Buffers
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Bench grinders vs. Buffers
On Sun, 04 Dec 2011 11:37:47 -0500, Joseph Gwinn
wrote: In article , wrote: On Thu, 01 Dec 2011 22:08:45 -0500, Ecnerwal wrote: [...] Depending on your buffing jobs, you might also look for super-cheap (used will generally get you more for the money) wood lathes, which can be set up with a long arbor between centers and multiple buffs. Rather than multiple buffing machines or changing wheels, IF the parts can be worked without needing a free face to the wheel, you can load up 3-5 buffing wheels and move from one to the next with no time for setup, other than cleaning the part. Great suggestion! Why did I not think of that? I have a (not so super-cheap) wood lathe. I shall look into this concept. Thanks. I recall seeing this setup at a cobbler's shop. Joe Gwinn Indeed. As Ive seen them. Good idea! Thanks for reminding me Joe! Gunner One could not be a successful Leftwinger without realizing that, in contrast to the popular conception supported by newspapers and mothers of Leftwingers, a goodly number of Leftwingers are not only narrow-minded and dull, but also just stupid. Gunner Asch |
Bench grinders vs. Buffers
On Fri, 2 Dec 2011 13:56:58 -0800 (PST), Rex
wrote: On Dec 1, 9:08*pm, Ecnerwal wrote: Depending on your buffing jobs, you might also look for super-cheap (used will generally get you more for the money) wood lathes, which can be set up with a long arbor between centers and multiple buffs. Rather than multiple buffing machines or changing wheels, IF the parts can be worked without needing a free face to the wheel, you can load up 3-5 buffing wheels and move from one to the next with no time for setup, other than cleaning the part. A friend showed my his similar setup using a garage sale vari-speed wood lathe. He had various arbors made for all his wheels - grinding, buffing, and wire. It was a very slick setup and one I intend to duplicate. Thinking a bit further about the details: I have a 1"-8 spindle with MT2 taper. I have two woodworking chucks that fit with the smallest jaws taking about 0.4". Probably not useful in this application. I also have a horrible 4-jaw chuck and a base plate. What would be the best way to attach the arbor to the spindle? I was thinking a MT2 collet like this: http://www.busybeetools.com/products...47%7D2IN..html or even adapt an end-mill holder like this: http://www.grizzly.com/products/5-8-...d-3-8-16/G9539 for a bigger arbor running the arbor between a dead and a live centre driving it off the base plate seems a bit of an overkill. I suppose I could get one of the cheap chucks like this: http://www.grizzly.com/products/H8034 Also, what is the deal with the conical arbors? Is it mainly convenience and ability to change wheels quickly? Michael Koblic, Campbell River, BC |
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