#garfield Logs

Feb 10 2018

09:42 AM Tom_L: ok, just air cut the new program. looks like it will fly. i'm still unsure about the fit around the can though
10:36 AM rue_bed: I can dig that up, sorry, I think I'm fighting off illnesses that everyone has, been doing lots of sleeping
10:36 AM Tom_L: i may just let you dremel the edges a tiny bit
10:37 AM Tom_L: i'd have to go clear back to the catia model to fix it i think
10:37 AM Tom_L: at least that's the least resistive method
10:38 AM rue_bed: we cant, we use a 'table router' like method, the peice has to sit flat on the table
10:38 AM rue_bed: to route the shoulder
10:39 AM rue_bed: the radii are based on the cans
10:39 AM Tom_L: no, i can do the step
10:39 AM Tom_L: it's right at the edge where i'd have to fix it
10:39 AM rue_bed: the smaller radius is supposed to grab the can, the larger one should clear it
10:39 AM Tom_L: i'll run the new program later and send you one if it turns out
10:39 AM rue_bed: or should I send ya a handle
10:40 AM rue_bed: n pipe
10:40 AM rue_bed: wow thats a lot of sleep
10:40 AM rue_bed: 6pm to 11pm then 12pm to 8:30am
10:41 AM Tom_L: i switched the ballnose to a .125 cutter and made the steps alot closer
10:41 AM Tom_L: .020" stepover i think
10:41 AM Tom_L: it was .050
10:42 AM Tom_L: so 3 cutters do i
10:42 AM Tom_L: t
10:42 AM Tom_L: spot drill, .125 mill and .125 ballmill
10:42 AM rue_bed: k
10:51 AM Tom_L: do you need the back edge of the part to be 1/8" to fit under your plastic piece?
10:51 AM Tom_L: or are you remaking that
11:13 AM rue_: I'm redesigning that
12:06 PM Tom_L: http://tom-itx.no-ip.biz:81/~webpage/rue/Can_Holder/A9_Multiple.jpg
12:06 PM Tom_L: should be able to do that ok
12:06 PM Tom_L: once it's proven with a single part
12:07 PM Tom_L: bumped the cutting time up to 40.6 min
12:08 PM Tom_L: if i can run at 100%
12:23 PM rue_shop3: are you peaking out the spindle?
12:23 PM Tom_L: no
12:24 PM Tom_L: moderate speeds
12:24 PM rue_shop3: definitly a part that dosn't pack well
12:24 PM Tom_L: the ballmill is 4000rpm
12:24 PM Tom_L: others are 3k or so
12:24 PM rue_shop3: ok I have about 5 people gonna arrive in the next 4 hours
12:27 PM Tom_L: 4 tool changes
12:27 PM Tom_L: with all the tools preset
12:46 PM rue_shop4: hmm but 3 pieces per job
03:03 PM rue_shop3: ok I have 2 hours
03:03 PM rue_shop3: 3 visitors at once... gets a little hecktic :)
03:03 PM rue_shop3: there is interest comming back up in the robotics course
04:48 PM Tom_L: why all the sudden?
04:51 PM Tom_L: i could do more than 3 but that's the size of that particular scrap i got
04:52 PM Tom_L: somebody cut 3 like that so i grabbed them and another good size piece
04:52 PM Tom_L: so i have 1/8 and 1/4" but not any 5/16
04:57 PM Tom_L: you got no room for visitors apparently
06:00 PM rue_shop3: ok and cast 3 dozen aluminum muffins and fixed someones computer
06:01 PM rue_shop3: at this rate I can write off all my required progress for the weekend today
06:40 PM Tom_L: maybe i'll do some for you
06:41 PM Tom_L: if i ever get freed up from mine...
07:25 PM rue_shop3: :)
07:25 PM rue_shop3: sorry, I'v not been able to focus the past while
10:08 PM zhanx: evening rue_
10:08 PM zhanx: tomorrow i got a free day!
10:08 PM zhanx: so planning on working on the printer parts
10:18 PM Tom_L: ok, rue_shop3
10:18 PM Tom_L: time for a break
10:19 PM Tom_L: http://tom-itx.no-ip.biz:81/~webpage/rue/Can_Holder/A9_rev1_1.jpg
10:19 PM Tom_L: http://tom-itx.no-ip.biz:81/~webpage/rue/Can_Holder/A9_rev1_2.jpg
10:19 PM zhanx: rue takes breaks?
10:19 PM Tom_L: http://tom-itx.no-ip.biz:81/~webpage/rue/Can_Holder/A9_rev1_3.jpg
10:19 PM Tom_L: no but i do
10:20 PM Tom_L: rue_shop3, that's right off the mill, hardly any cleanup except debur the edges
10:20 PM zhanx: looks like you need smaller steps or a smoothing pass, but it looks good really
10:20 PM Tom_L: the arrows on 3 show where it's tight around the can
10:20 PM Tom_L: for what it's doing, the ballmill stepover is fine
10:21 PM zhanx: k
10:21 PM Tom_L: http://tom-itx.no-ip.biz:81/~webpage/rue/Can_Holder/A9_2.jpg
10:21 PM Tom_L: that was the first one
10:22 PM Tom_L: changed to a 1/8" ballmill and smaller stepover
10:22 PM zhanx: what is it holding?
10:22 PM Tom_L: http://tom-itx.no-ip.biz:81/~webpage/rue/Can_Holder/can1.jpg
10:23 PM zhanx: ok i see where that is going
11:32 PM katsmeow: .
11:32 PM Tom_L: hi kat
11:32 PM katsmeow: Tom!!!
11:32 PM Tom_L: what's new?
11:33 PM katsmeow: neighbor is sick enough she uses amulances as taxis, so cannot keep a dog :-)
11:33 PM Tom_L: that's a win
11:33 PM katsmeow: so today i got to a wallof the house, cleared out 16ft of it, and put down a sole plate
11:34 PM Tom_L: i made a mill
11:34 PM katsmeow: oh :-(
11:34 PM katsmeow: wait, you already have amill
11:34 PM Tom_L: i made a better mill
11:34 PM katsmeow: pics? specs?
11:35 PM Tom_L: http://tom-itx.no-ip.biz:81/~webpage/cnc/Mill_Steel/
11:35 PM Tom_L: start there
11:35 PM Tom_L: it's all in there
11:35 PM Tom_L: http://tom-itx.no-ip.biz:81/~webpage/cnc/Column_Mill_VMC.jpg
11:35 PM Tom_L: started with a plan
11:36 PM katsmeow: drill press lookes about like mine, mine has smaller motor
11:39 PM katsmeow: you used sideways V grooves for bearing runners, like i did
11:39 PM Tom_L: i used linear ways
11:40 PM Tom_L: square
11:40 PM Tom_L: and ball screws
11:41 PM katsmeow: i see steel ways with >__< profile
11:42 PM katsmeow: held down with inset cap screws
11:42 PM katsmeow: table rides on them
11:43 PM katsmeow: screw for a ballnut between them
11:43 PM katsmeow: http://tom-itx.no-ip.biz:81/~webpage/cnc/Mill_Steel/Assembly/Z_Axis_Limit1.jpg
11:43 PM Tom_L: yeah
11:43 PM Tom_L: ball bearings ride on top and bottom of both rails inside and out
11:43 PM Tom_L: 4 rows per rail
11:43 PM katsmeow: the bearigs do not ride in the >__< grooves?
11:44 PM Tom_L: yes they do
11:44 PM katsmeow: [11:39:pm] <katsmeow> you used sideways V grooves for bearing runners, like i did
11:44 PM katsmeow: [11:39:pm] <Tom_L> i used linear ways
11:44 PM Tom_L: the tiny radius top and bottom
11:44 PM Tom_L: maybe i called them the wrong thing
11:44 PM katsmeow: what made you change from aluminum to steel for frame?
11:45 PM Tom_L: more rigid and i can get it at the junk yard cheap
11:46 PM katsmeow: on http://tom-itx.no-ip.biz:81/~webpage/cnc/Mill_Steel/Assembly/Z_Motormount1.jpg , you made the left pulley?
11:46 PM Tom_L: stock drive products
11:47 PM katsmeow: what will this one do that the old one canot do?
11:48 PM Tom_L: it's _ALOT_ more ridid
11:49 PM * katsmeow flips the d down to be a g
11:49 PM Tom_L: alot bigger steppers too
11:49 PM katsmeow: that square tuding in general is incredibly not-twisty
11:50 PM katsmeow: i am running a set of pairs under a plate i have a gas engine and twin-barrel compressor on
11:51 PM Tom_L: https://www.youtube.com/watch?v=J6n2ZgY-5Ls
11:51 PM Tom_L: https://www.youtube.com/watch?v=rhw8fYyC3Jw
11:54 PM katsmeow: motor-spindle? what is the top belt drive doing?
11:54 PM Tom_L: encoder for the spindle
11:54 PM katsmeow: errr, rpm?
11:54 PM Tom_L: yes
11:54 PM Tom_L: PID
11:55 PM katsmeow: ah
11:55 PM katsmeow: all i made lately was a light bar to sit above the keybd and evenly lite it from all directions no matter ifmy hands are on it or not
11:56 PM Tom_L: nice
11:56 PM katsmeow: site up over the f-keys and shines diagonally as a flood over all the keys
11:56 PM katsmeow: ~180ma off a 12vdc walwart
11:58 PM katsmeow: what is the longest Z stroke you have found necessary the last few yrs?
11:58 PM Tom_L: it's always a compromise
11:58 PM Tom_L: this one is ~7" iirc
11:59 PM Tom_L: if you have long tools or a tall vise it may require more
11:59 PM katsmeow: i am debating a mill being used as a drill press, with a Z-axis in the table too,
11:59 PM Tom_L: like a knee mill