#21
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US steel trade war
AMuzi wrote:
What do you have handy? A milling machine is fast if you're making a lot of miters but a file works just fine for one I have a big stationary vertical drill if that is what you mean by "milling machine", so then it is just a matter of getting the round saw/drill thing (?) and some sort of arrangement to fixate the tube? -- underground experts united http://user.it.uu.se/~embe8573 |
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#22
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John B. wrote:
You can set the tube up at the correct angle, using a vertical milling machine, and cut the tube end to fit using the proper size end mill, or hole saw, OK, end mill/hole saw it is! Great, I'll put it on the list for next month... -- underground experts united http://user.it.uu.se/~embe8573 |
#23
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I have a King Bench Drilling Machine KSD-340
from 1983. Looks solid but I have only used it for drilling, so far. -- underground experts united http://user.it.uu.se/~embe8573 |
#24
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I have a King Bench Drilling Machine KSD-340
from 1983. Looks solid but I have only used it for drilling, so far. Anyone knows where to look for a manual for this machine? I Googled but found only newer models. I printed one anyway as probably most basic stuff hasn't changed. -- underground experts united http://user.it.uu.se/~embe8573 |
#25
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On 3/9/2018 9:58 AM, Emanuel Berg wrote:
I have a King Bench Drilling Machine KSD-340 from 1983. Looks solid but I have only used it for drilling, so far. Anyone knows where to look for a manual for this machine? I Googled but found only newer models. I printed one anyway as probably most basic stuff hasn't changed. https://www.ebay.com/itm/Bridgeport-...AOSwo4pYWtY 9 -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
#26
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AMuzi wrote:
https://www.ebay.com/itm/Bridgeport-...AOSwo4pYWtY 9 I have one very close to this: http://www.oocities.org/~tw_kingkong/img1.gif -- underground experts united http://user.it.uu.se/~embe8573 |
#27
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I have one very close to this:
http://www.oocities.org/~tw_kingkong/img1.gif Maybe it will do for really small tubes? Perhaps not for a bike but a nice bedside table? Furniture design is much more lucrative than bikes anyway... -- underground experts united http://user.it.uu.se/~embe8573 |
#28
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On 3/9/2018 11:51 AM, Emanuel Berg wrote:
AMuzi wrote: https://www.ebay.com/itm/Bridgeport-...AOSwo4pYWtY 9 I have one very close to this: http://www.oocities.org/~tw_kingkong/img1.gif That's a drill press, not a milling machine. It has many fewer capabilities. -- - Frank Krygowski |
#29
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On 3/9/2018 8:52 AM, AMuzi wrote:
On 3/9/2018 12:54 AM, Emanuel Berg wrote: AMuzi wrote: Aluminum is no good for a bike frame because it's too harsh and stiff. Aluminum won't work either because it's too soft and noodly. That went on just forever with, as always, much digression. One on-topic question on aluminium/aluminum I thought about asking is how do they cut the pipes so to get those roundish forms so that for example the top and down tube aligns so well with the head tube? What do you have handy? A milling machine is fast if you're making a lot of miters but a file works just fine for one: http://www.yellowjersey.org/photosfromthepast/MAK8B.JPG IIRC, Cannondale pioneered using CNC to cut the miters with added tabs, slots, etc. to allow more precise alignment prior to welding. That doesn't matter for Emanuel's projects, though. Maybe someday he'll want to splurge on a full set of frame building fixtures like these: http://www.henryjames.com/bicyle-par...equipment.html http://www.alexmeade.com/Tools.htm BTW, lots of people call those "jigs" but industrial tool designers would call them "fixtures." The word "jig" is supposed to apply to things that physically guide the cutting tool, not just hold parts in position. OK, that's enough pedantry for today. -- - Frank Krygowski |
#30
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Frank Krygowski wrote:
That's a drill press, not a milling machine. It has many fewer capabilities. Yeah, I knew all along it was too good to be true... Maybe I can get the organization to get a milling machine tho because isn't drilling tubes what everyone wants to do? -- underground experts united http://user.it.uu.se/~embe8573 |
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