#garfield Logs

Apr 19 2012

19:19 Tom_itx �
19:20 katsmeow-afk i need somethings rounded, and if you like, if you will, something round drilled in a circle pattern
19:20 katsmeow-afk on the mill, as i don't trust a drill press
19:21 katsmeow-afk can i get you to do this thngs for me? yu get to keep a copy for your own use too
19:21 katsmeow-afk rue, i think i already lost Tom
19:21 rue_house Tom_itx,
19:21 rue_house TOM
19:21 rue_house hey TOM
19:22 rue_house TOM?
19:22 rue_house katsmeow-afk, dunno
19:22 katsmeow-afk shall i describe it anyhow?
19:22 rue_house sure
19:22 tsmeow-afk makes a measurenent f
19:23 Tom_itx go ahead
19:23 Tom_itx i'm in and out
19:24 katsmeow-afk ok, it starts on a 1/4 *stong solid steel shaft, i was going to use a grade 8 bolt shaft, minus head and threads
19:24 Tom_itx i'm not sure my little mill will drill grade 8 stuff
19:25 katsmeow-afk on it, i need a hub of some sort, to attach most strongly, a disk of .064 uncoppered pcb (so it won't really be .064),, or it might be .060
19:25 katsmeow-afk i don't want yo to drill the grade 8 on the mill
19:26 katsmeow-afk the hub = i cannot make at this time, or anytime soon
19:26 e_house tries to pic
19:26 katsmeow-afk like a harddrive mounts it's platter to it's spindle
19:27 katsmeow-afk i want a piece of uncoppered pcb mounted to the grade 8 bolt shaft
19:28 katsmeow-afk the shaft needs the following access areas for me: a 1/4 space at each end to mount bearings (like rolelr skate bearings, but english units), i need the disk mounted, i need a 1/4 space with nothing on it
19:29 katsmeow-afk see disk on hub, but not on a shaft : http://www.ebay.com/itm/Yamaha-Raptor-660R-660-R-Axle-Brake-Disc-Rotor-Disk-Hub-/110862971163?_trksid=p4340.m185&_trkparms=algo%3DSIC.NPJS%26its%3DI%26itu%3DUA%26otn%3D5%26pmod%3D170800010047%26ps%3D63%26clkid%3D7841288499970500227
19:30 katsmeow-afk ok, the disk: pcb FR4 (it's real strong)
19:31 katsmeow-afk on the disk, drill to center it on the axle-hub assy, then drill for whatever attachement ponts you deem it needs, this disk will be a motor rotor and hopefully torque the shaft hard
19:31 Tom_itx mechanical drawing is in order
19:32 m_itx gives katsmeow-afk a cr
19:33 katsmeow-afk in a cicle around the outside perimeter, drill enough 0.235 holes such that they are no more than .064 to the outside edge of the disk, and .064-ish apart (not touching) each other
19:33 katsmeow-afk the disk shoul dbe ~3inches dia
19:34 Tom_itx so you want some fr4 mounted to a hub so you can wind copper on it?
19:34 tsmeow-afk c
19:34 m_itx rer
19:36 Tom_itx scribble something on paper if you can and post the pic
19:36 Tom_itx you want the 235 holes in the fr4?
19:36 Tom_itx or the hub?
19:37 katsmeow-afk the fr4
19:37 Tom_itx fr4 mounted to a hub?
19:37 Tom_itx with a 1/4 " shaft
19:37 Tom_itx with cutouts on each end for bearings
19:37 Tom_itx i'm visualizing the ebay pic
19:38 katsmeow-afk cututs???
19:38 Tom_itx bearing mounts
19:38 Tom_itx in the hub?
19:38 katsmeow-afk no cutouts, i'll put 1/4 ID bearings on the 1/4 OD shaft!
19:38 Tom_itx for 1/4" shaft?
19:38 Tom_itx i'm a bit lost on that part
19:39 katsmeow-afk please tell me why y are lost, so i will not repeat my mistake
19:40 Tom_itx i may have some 1/4" shaft that should be fairly hard
19:40 Tom_itx it's hobby 'wire'
19:40 Tom_itx is that ok?
19:40 Tom_itx are you gonna mount the fr4 to the shaft or something like the hub in the picture?
19:40 katsmeow-afk i may wish to place a 1000 lb pull on it, and bend it
19:41 Tom_itx it may bend too
19:41 katsmeow-afk YOU are gonna mountit, you need to drill the disc to center it, and drill it to mount to the hub you make
19:41 Tom_itx actually i think it's hardened but i dunno how much
19:41 katsmeow-afk if it's hardened, then i cannot drill it
19:41 Tom_itx and will the hub have bearing mounts on each end?
19:42 katsmeow-afk hence the "grade 8" part
19:42 Tom_itx for a bearing with a 1/4" id
19:42 Tom_itx ?
19:42 Tom_itx how long does the 'bolt' need to be?
19:42 katsmeow-afk if the hub is on the utside of the 1/4 axle how will i put 1/4 bearing on the hub also?
19:43 katsmeow-afk i dunno how long the axleis, depends on how long yo make the hub
19:43 Tom_itx i'm thinking like a wheelbarrow wheel
19:43 Tom_itx am i wrong?
19:43 katsmeow-afk [19:21] <katsmeow-afk> on the disk, drill to center it on the axle-hub assy, then drill for whatever attachement ponts you deem it needs, this disk will be a motor rotor and hopefully torque the shaft hard
19:43 Tom_itx oh
19:43 Tom_itx so it's like an armature?
19:44 katsmeow-afk but no coper on it at all
19:44 Tom_itx so the fr4 is solid to the hub with screws or whatever
19:45 katsmeow-afk yeas
19:45 Tom_itx the fr4 is 3" diameter with holes around the outside just inside the perimeter
19:45 katsmeow-afk and made round with respect to the center hole
19:45 katsmeow-afk yeas
19:45 Tom_itx and the shaft?
19:45 Tom_itx solid to the hub?
19:46 katsmeow-afk yeas
19:46 katsmeow-afk rotor turns hub, hub turns shaft, shaft spings on bearings
19:46 Tom_itx http://tom-itx.dyndns.org:81/~webpage/maxbot/image016.jpg
19:47 Tom_itx similar to that?
19:48 katsmeow-afk yeas, but with a bearing on each end of shaft, and i need an additional 1/4 inch of shaft space for me attaching thngs
19:49 Tom_itx so the shaft could be about 3"
19:49 Tom_itx ~
19:49 katsmeow-afk can it be aluminum instead of brass/bronze?
19:49 Tom_itx can what be?
19:49 katsmeow-afk th ehub
19:49 Tom_itx it can be steel or alum
19:49 katsmeow-afk alum
19:49 Tom_itx pressed on?
19:49 katsmeow-afk please
19:49 katsmeow-afk yeas, please
19:49 Tom_itx how thick alum?
19:49 katsmeow-afk thich enough to securely hold the fr4
19:49 Tom_itx 1/4"?
19:50 katsmeow-afk ok
19:50 katsmeow-afk you going t put 4-40 holes in it for me to tap?
19:50 Tom_itx so a 1/4" hub from alum to hold a 3" fr4 full of holes pressed on a 1/4" shaft
19:50 katsmeow-afk yeas
19:50 Tom_itx 440 holes in the aluminum?
19:50 Tom_itx hub
19:50 Tom_itx ?
19:51 katsmeow-afk like i said, like a harddrive disk on it's spindle
19:51 Tom_itx i can send you one of those :)
19:51 Tom_itx i got lotsa dead hdd
19:51 katsmeow-afk i am guessing: 4-40 screws to hold the disc to the hub?
19:51 Tom_itx probably
19:51 Tom_itx unless they would waller out the fr4
19:51 katsmeow-afk ok
19:52 katsmeow-afk if the disc is also pressed fit onto the sfat, there shouldn't be any wallowing going on
19:52 Tom_itx mkay
19:52 m_itx gets out the machine time calcul
19:52 m_itx scratches his
19:53 Tom_itx flat hub or tapered down a bit?
19:53 Tom_itx like a 45 deg bevel
19:53 katsmeow-afk whatever is easiest and strongest holding the disc
19:53 Tom_itx down to about .125 thick on the point
19:54 Tom_itx we have the technology to fullfill your request
19:54 Tom_itx we may have the materials on hand
19:54 katsmeow-afk i certainly cannot make the disk spin true when the shaft is spun, anything i do to make it myself now will make th disk wallow arond
19:55 Tom_itx can you remove the copper?
19:55 katsmeow-afk umm, yeas
19:55 Tom_itx i will cad-ify something later on and submit it for your approval or disaproval
19:56 katsmeow-afk you know you can buy uncoppered fr4 to make insulated mounting things?
19:56 Tom_itx but i have fr4
19:56 Tom_itx maybe a couple pieces
19:56 katsmeow-afk i can snail mail you some uncoppered, if i can find it,,, i boxed it to goto Fla, and no clue wher it is now
19:57 Tom_itx http://tom-itx.dyndns.org:81/~webpage/etching/Copper2.jpg
19:57 Tom_itx keep your fr4
19:57 Tom_itx i have a bit i can spare
19:57 katsmeow-afk yeow
19:58 Tom_itx but you may have to decoperize it
19:58 Tom_itx i'm outta etchant
19:58 Tom_itx http://tom-itx.dyndns.org:81/~webpage/etching/Copper3.jpg
19:58 Tom_itx there's a nice pretty half sheet
19:59 Tom_itx so one for you and one for rue?
19:59 katsmeow-afk i need only 3" dia tho
19:59 Tom_itx ok
19:59 Tom_itx maybe a 1" diameter alum hub?
20:00 katsmeow-afk i dunno if rue will have the other things, but if y ou cad this, don't delete it
20:00 Tom_itx pressed to a 1/4" shaft
20:00 katsmeow-afk ok
20:00 Tom_itx ok what if i make a step for the fr4 to seat against on the hub.. like a step
20:00 katsmeow-afk see, i cannot make the shaft hole true to the face on the hub the fr4 mounts to
20:00 Tom_itx err i just said that
20:01 Tom_itx mkay
20:01 katsmeow-afk i know you can
20:01 Tom_itx i can make it as true as my tools will let me
20:01 Tom_itx they are getting sorta feeble like me
20:02 Tom_itx i wonder if one of those hdd platter thingies might work..
20:02 Tom_itx i'll check those out too
20:02 katsmeow-afk http://cache2.asset-cache.net/xc/120872528.jpg?v=1&c=IWSAsset&k=2&d=B53F616F4B95E553A541E322487344D52B4EB442F3F972A186BF427348B259EA7F3253EB5DA4A499
20:02 katsmeow-afk platter on hub with spindle
20:02 Tom_itx but it's got a bearing in it
20:02 Tom_itx you want a solid shaft
20:03 katsmeow-afk yeas, i want rotor turns hub, hub turns shaft, shaft spings on bearings
20:03 katsmeow-afk i have bearings
20:03 tsmeow-afk th
20:03 Tom_itx and all together makes katsmeow-afk smile
20:04 katsmeow-afk can you turn me 2 extra 3" dia disks? i can use them for shapping the stator copper
20:04 Tom_itx hmm
20:05 Tom_itx i should mount the copper to the hub then turn it
20:05 katsmeow-afk what copper?
20:05 Tom_itx fr4
20:05 katsmeow-afk oh
20:05 katsmeow-afk yeas, unless you r mill can drill the center hole and then round the disk
20:06 Tom_itx not as pretty
20:06 Tom_itx i haven't adjusted all the slop out of it
20:06 katsmeow-afk true
20:07 m_itx wonders if he milled all his boxes so he can tear that setup
20:08 katsmeow-afk oh
20:08 katsmeow-afk plates of aluminum r steel are great for making a separate table for each project
20:08 Tom_itx i have them
20:09 Tom_itx but wear one out before replacing it
20:09 Tom_itx http://tom-itx.dyndns.org:81/~webpage/boards/USBTiny_Mkii/Boxes/milling2.jpg
20:09 Tom_itx drilled and tapped on 1" centers
20:10 katsmeow-afk yeas, very nice
20:11 katsmeow-afk you can even cheat and dink two shallow holes in the vice as locator pin recievers
20:11 katsmeow-afk i are fond of roll pins and solid pins for that
20:11 Tom_itx i generally dowelpin behind it to align it then run a last word across the back edge
20:12 katsmeow-afk does your mill do the tapping too?
20:12 Tom_itx i did that by hand
20:12 Tom_itx wouldn't trust it
20:12 Tom_itx no reverse tap head for one thing
20:13 katsmeow-afk i found my lil drill press does a ok immitaton of a cnctapper if i drop the belt and turn it by hand,, tho it did better when i had the dc motor on it and i cold toggle forward/rev/forward/rev till done
20:14 Tom_itx i've done that
20:14 Tom_itx i sometimes use a hand air drill with reverse
20:15 katsmeow-afk won't the air motor over-rev the tap, like to 25,000 rpm?
20:16 katsmeow-afk i think the wine is dissolving and washing my brainout
20:20 katsmeow-afk Tom, one detailt hat would be nicer than if not: an *even* number of .235 holes around the perimeter, instead of an odd number
20:20 Tom_itx so one end of the shaft can be short to the hub. just enough to mount a bearing
20:20 katsmeow-afk correct, perfect
20:21 Tom_itx mmm i dunno if i have any 1/4: od bearings to measure the shaft to
20:21 Tom_itx you may have to 'fine tune' that part
20:21 katsmeow-afk ideally, the disc will not be at that end of the hub, the hub canbe touching the bearing, but can the dick be on the otehr end of th ehub? closer to the center?
20:21 Tom_itx mmm that may be hard once it's together though
20:21 Tom_itx what dick?
20:21 katsmeow-afk drill and emery paper?
20:21 katsmeow-afk disc
20:21 Tom_itx gawd!
20:21 katsmeow-afk disk
20:21 Tom_itx :)
20:22 tsmeow-afk is so s
20:22 Tom_itx just kidding
20:22 Tom_itx ^^ i figured it in my head that way
20:23 katsmeow-afk i been up foreve, i hurt all over, still couging up sticky yellow stuff, and have a bottle of cheap wine here, my first this year
20:23 Tom_itx short shaft|bearing|hub|fr4|longer shaft
20:23 katsmeow-afk and i left here ~midnite:30 to drive to Fla, sign a paper, and drive back here,, 20 hrs driving
20:24 katsmeow-afk perfect
20:24 Tom_itx yeah i hate driving
20:24 katsmeow-afk i lost count of how many times i nearly traded paint with morons
20:24 Tom_itx i got a home project this weekend so i may not get a start til next week
20:24 katsmeow-afk some just not looking, some busy on phone, etc etc
20:24 Tom_itx yep
20:25 katsmeow-afk and the cops out there think they own the whole road!
20:26 Tom_itx well at 4am i don't relish driving thru the appalachan sp? mountains on I40 wiht semi's in the wrong lane fishtailing right up your ass
20:26 Tom_itx tankers to boot
20:26 katsmeow-afk cept for one area where they had some 30 cop cars, in a construction zone with no place to pull the speeders over!
20:28 katsmeow-afk I-285 was like i remembered it from the 1980's : slow lane was for doing 85mph and under, center was for 85mph, and outer lane was 85mph and up
20:28 katsmeow-afk cops just watched
20:28 katsmeow-afk too many drivers to interrupt the flow of traffic and pull one over
20:28 Tom_itx i didn't relish driving thru atlanta during rush hour either
20:29 katsmeow-afk tho i'd luv a robot to turn loose on idiopts who see a cop and hit the brakes down to 60 in a 70 zone,, causing swerving and pileups behind them
20:29 Tom_itx or a 50 cal
20:30 katsmeow-afk have the robot diassemblee their car and toss important parts to the shoulder
20:30 katsmeow-afk or idiots who change lanes forno reason
20:31 katsmeow-afk some morong changed lanes, forcing an 18wheele to change lanes, and the one behind him, and 4 other cars
20:31 katsmeow-afk slowed everyone down to 55 in a 70 zone before they got it all str8 aain
20:32 katsmeow-afk humans shold be glad i don't still have my F250, i'd be spinning out these idiots so they don't do shit after that, at least not that day
20:32 zhanx they still would
20:32 zhanx same day even
20:33 katsmeow-afk some day, not today
20:33 zhanx play soccer today, kicked a guy in the face so he stepped on my knee
20:33 zhanx i came out worse
20:33 katsmeow-afk there were so many near wrecks from idiots, it was very unnerving
20:33 Tom_itx i did some crazy stuff with my ole 72 cheby pu
20:34 katsmeow-afk zhanx, i am not familiar witht hat play
20:34 zhanx i kicked it over his head the easy way, rolled on top of my foot and flicked, but he got in the way at the end,
20:35 zhanx after that he stepped on my knee brace
20:35 katsmeow-afk don't expect him to watch your back every time in the trenches
20:37 zhanx he will
20:37 katsmeow-afk that F250 did some awesome work when it decided it would, and it had the worst strange breakdowns
20:38 zhanx he is the same guy who called me on while on crutches and said no one alive could kick people in the face without jumping
20:38 katsmeow-afk seriously? i cold easily kick over my head as a teen
20:38 zhanx i know right
20:39 zhanx either way in 2 weeks this last brace is off
20:39 zhanx only broke it 3 times
20:39 katsmeow-afk get a steel one
20:40 zhanx its crapbonfiber that is all they will give me
20:40 katsmeow-afk o
20:40 zhanx after this one i get a sleeve style one
20:40 katsmeow-afk those and the milky white plastic, crap
20:41 zhanx its black but the same
20:41 zhanx crap my phone just reminded me, i forgot to get a hair cut for tomorrow's ceremony, pooo
20:41 katsmeow-afk th carbon is black, there's a non-carbon white plastic they make braces with, it's moldable
20:42 zhanx mine breaks when i do me, like lift things and turn etc
20:42 zhanx pivot
20:42 tsmeow-afk
20:42 zhanx the new physical therapy circus trick:
20:43 Tom_itx kat, the spare disks need to be the same as the mounted one?
20:43 Tom_itx holes around the perimeter etc
20:43 katsmeow-afk no need for the perimeter holes
20:43 Tom_itx just a center alignment hole?
20:43 zhanx stand on a bosus (half ball half platform) air squat while they toss medicine balls at me
20:43 Tom_itx and what about mount screw holes?
20:44 katsmeow-afk just a center hole
20:44 katsmeow-afk i'll form the copper, and haveto hand place the prototype over the rotor
20:45 m_itx continues his re
20:46 zhanx i am on a npn / resistor kick
20:46 zhanx home garden crap
20:47 katsmeow-afk i keep trying to find a way to put tons of dirt on the roof, when the roof parts meant to hold that dirt, are not, and won't ever, be built
20:47 katsmeow-afk i can't transfer the weight to the steel beams
20:47 zhanx bearings
20:48 katsmeow-afk i may just put the buckets outside on the ground
20:48 katsmeow-afk bearings?
20:48 zhanx how do bearings transfer load?
20:49 katsmeow-afk samew ay i cannot put dirt on the roof and put the load NOT on the existing wooden roof
20:49 zhanx k
20:49 zhanx ummm
20:49 zhanx i can do this
20:49 katsmeow-afk the existing roof is the waterproof business, not the walk-on-it business
20:49 zhanx ok
20:49 zhanx so weak
20:50 katsmeow-afk altho i do walk on it, if i set something down on it, it cold-flows the waterproofing
20:50 zhanx will need to scissor frame the joists
20:50 katsmeow-afk the steel joists ae moving, that's not the problem
20:50 katsmeow-afk aren't
20:51 zhanx ummm scissor frame is not a moving thing its a type of joist
20:51 katsmeow-afk i did steel rafters, then traditional wooden flat(almost) roof
20:51 zhanx flat holds 80% less
20:51 katsmeow-afk the deck for walking of was to float above the elasomer and tar roof
20:51 katsmeow-afk 19inch tall steel beam holds more
20:51 zhanx true
20:52 zhanx I beam?
20:52 katsmeow-afk yeas
20:53 katsmeow-afk the truss beam in the east wall of the roof structue is 4ft tall, it can hold my truck, i imagine, but there's not attachment points thrut he wood to the steel
20:53 katsmeow-afk it's ends sit on, and bolted to, 6x6 lumber down thte building footers
20:54 katsmeow-afk and fasted diagnally down tot he footers with 1/2 rebar
20:54 katsmeow-afk 70mph wind, this place absolutely doesn't move, even tho it's roof peak is 36ft off the ground
20:55 katsmeow-afk for wind loading, i used the takeoff params of a C130 ;-)
20:56 katsmeow-afk the concrete in this house weighs about as much (unfueled, unloaded) too
20:56 zhanx nice
20:56 zhanx cant wait to jump out of one again soon
20:58 katsmeow-afk that's prolly the handyest planes ever for pushing thngs out of it's back as it's flying
21:00 katsmeow-afk lil touchy on rato bottles going off at the wrong time
21:02 katsmeow-afk i wish i could have seen the shuttle flying to Smithonian
21:03 katsmeow-afk heck of a conincidence the first commercial, non-goveenment space launch, will be delivering materiasl tot eh space staton before all the shuttles are sent out
21:15 rue_house iamturnip, thanks, after your fancy breakfast I was inspried to make fried rice for supper :)
21:15 katsmeow-afk <blink>
21:17 katsmeow-afk i should go lay down, see if i am tired enough to goto sleep ay a "reasonable hour", whatever that is
22:06 Tom_itx katsmeow-afk
22:25 iamturnip rue_house: I didnt know you did FB!
22:27 rue_house i used it to find and get ahold of someone, accidently made an account and decided to play with it rather than destroy it
23:03 Tom_itx katsmeow-afk, do remind me of the project as it's possible it could slip my mind