chit chat thread
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Picked up a CNC router table a couple weeks ago.
Still waiting to get the license for the software to run it transfered over from the previous owner, but in the meantime I decided to test the machines capabilities. I intend to pay for the machine by building bed-of-nails fixtures for circuit boards. Long story short, this requires drilling very small holes in fiberglass or plastic at very precise locations. I had some 0.024" drill bits laying around, so I poked some holes in a piece of 1/8" hot-rolled steel that was laying around at the shop.
Sweeet.
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Sweet Jesus, just jumped right into that one huh? lol
We have the same cranks, shifter/derailleur, and brakes!That's a wicked bike, should be a ton of fun! I love seeing 25lbs on that build.
I bought it used. Not perfect but the guy did the tubeless conversion and sent me a dropdown post with it (don't have it on yet)
I don't usually baby step into things, hahahaha
The bike is so cool to just whip around on, I can ride with my kids or hit hardcore trails without changing the setup.....other than maybe air pressure.
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Very nice! Not sure I have ever seen a .024" bit!!
The one's I have are for drilling circuit boards and have an 1/8" shank. Not surprisingly, they don't last long drilling steel...
Also measured the repeatability of the 3 axes by putting a dial indicator on the table and moving the machine away, and then back in both directions. The X and Y axes are actually really good, with no measurable inconsistency or backlash. The Z axis wanders .001" to .0015" depending on the location, which I'm guessing is wear on the leadscrew due to it holding up the weight of the head all the time. Spindle runout was not so good (IMO). It measured about .003" at the face of the collet. Out where the tip of the bit would have been while I was drilling the holes it's closer to .005", which explains why the line isn't as straight as it could be.
So far my research into finding a spindle with lower runout hasn't turned up much. It looks like you either have to gamble on a chinese unit which may or may not actually be better, or spend $800+ to get down to .001", which still isn't even that great IMO...
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How well do those bikes hold their value? (If you were to sell it in 3/4 years)
What's the typical usable lifespan on one?? (breaking/fixing or being made "obsolete" by something more baller)
Or are they just infinitely upgradable?
Just curious as this stuff is friggin' neat.
Couple coworkers are crazy into roadbikes. One brought theirs to work one day and I was absolutely blown away by how light it was and how much carbon was on the thing!
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My (somewhat limited?) experience shopping for a used bike shows that trying to find a "good" bike for less than a grand is pretty difficult. I'm sure the uber-high-end stuff probably depreciates faster though.
Everything is upgradable. Standards change every 8-10ish years, so trying to upgrade a 5 year old bike to whatever is trendy today is probably possible, but not really economical vs buying a new bike. Upgrading a 10 year old bike is kind of a joke. High-end stuff is high-maintenance. Lower-end stuff tends to be lower maintenance. Basically, plan on spending a shit-ton of money and having bike that no one even wants five or ten years from now.
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Still kind of pricey, but at least it has an engine...?
Not sure how I feel about this...
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I think it would be way too heavy and cumbersome to deal with actual mountain bike trails, not to mention really bad etiquette. I like the idea of having a super-light "moped" with full-size wheels and a riding position that's more motorcycle than scooter, but I doubt this thing is actually street legal, so.... I guess that makes it pretty much useless...? dunno.
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I've seen those before in Marquette, they are funny but I don't know what you would do with it. It is not allowed on the trails, it isn't road legal, and it isn't a dirt bike. You are restricted to dirt bike trails so getting a dirt bike would only make sense.
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Finally got the software for the router on Thursday.
First project finished. A Hoffmeister kink inspired paper towel holder.
I'm still on the learning curve with the machine, but it seems to work alright. Not as precise as I would like for routing, but better than the poorly-setup Shopbot machine they had at FVTC.
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That's cooler than I could ever imagine a paper towel holder looking.
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I think it would be way too heavy and cumbersome to deal with actual mountain bike trails, not to mention really bad etiquette. I like the idea of having a super-light "moped" with full-size wheels and a riding position that's more motorcycle than scooter, but I doubt this thing is actually street legal, so.... I guess that makes it pretty much useless...? dunno.
Pedal it around as a bike. Win.
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