Metal questions, type, working, lathe |
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Metal questions, type, working, lathe |
Dr Evil |
Mar 14 2006, 10:06 AM
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#1
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Send me your transmission! Group: Members Posts: 23,002 Joined: 21-November 03 From: Loveland, OH 45140 Member No.: 1,372 Region Association: MidAtlantic Region |
Hey all,
I am in the process of getting materials for my, ahem, "art project" (914). I want to have some aluminum that has the brushed look to it. I ordered some 6061 and am not sure if it will have this finish. Is it easy to produce? Also, I am looking into getting some parts coated. I have heard that black chrome is what I am looking for based on my desire to have the character of the aluminum visible through the dark gloss coating. If this is not what I am looking for could someone point me in the right direction? Also a place to have it done would be welcomed. Next, I am gonna start using my mini lathe. I have the concept down as to how, but have never used one (so I bought extra stock). My question for the lathe is, how do you make domed shapes? Like if you took the end of a rod and domed it. Thanks (IMG:http://www.914world.com/bbs2/html/emoticons/happy11.gif) |
smdubovsky |
Mar 14 2006, 10:21 AM
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#2
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Member Group: Members Posts: 331 Joined: 27-September 04 From: Silver Spring, MD Member No.: 2,837 Region Association: MidAtlantic Region |
Aluminum will not come brushed. Its usually in raw extruded form. You will have to sand/polish it that way - try w/ sandpaper or wire brush on a lathe (IMPORTANT: COVER the ways to keep falling grit out!) or using a gray roloc disk in a die grinder for more artistic control. Or, "stroke it" w/ sandpaper to get the brushing lengthwise.
To do a dome/ball on a lathe takes a ball cutting attachment;) Its a swivel for the cutting tool that allows you to swing the cutter about a center. I've never seen a commercial one (but surely they exist), but the 9x20 yahoo lathe group has plans to make your own. If you find an inexpensive one to buy let me know... (I dont need it ENOUGH to actually go build one.) SMD |
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