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Messages 10426 - 10455 of 30157   Oldest  |  < Older  |  Newer >  |  Newest
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10426 derekhawkins Offline Send Email Oct 1, 2005
3:36 pm
... vinyl ... Where is the cheap (and assumed readily available) in your photo- etching process besides the use of sunlight? What's the cost and availability...
10427 Homebrew_PCBs@yahoogr... Send Email Oct 1, 2005
3:49 pm
Monthly Reminder, please read: Subject lines: Remember to change the subject line if you are straying from the original thread. Please change the subject line...
10428 pebo festus
mebo31 Offline Send Email
Oct 2, 2005
1:42 am
found a link that points to a beverage despencer that will make a good etching tank. i found on at a garage sale and traced the manufactuer down.will have to...
10429 Andrew Mawson
awemawson Offline Send Email
Oct 2, 2005
2:14 pm
I tend to use resharpend drills (as they are cheaper and so am I !) but use a collar to set the length to a standard so changing mid way through a board is...
10430 Alan King
alantak69 Online Now Send Email
Oct 2, 2005
3:28 pm
that the collars vary in thickness and the critical reference is from ... Don't see much need for this manually, so I'm guessing you're using a CNC of some...
10431 Stefan Trethan
stefan_trethan Offline Send Email
Oct 2, 2005
4:03 pm
On Sun, 02 Oct 2005 16:14:15 +0200, Andrew Mawson <andrew@...> ... I have a screw device too, i didn't sit down to design much though.... It's just a...
10432 Bob_xyz Offline Send Email Oct 2, 2005
4:24 pm
How much do the collars vary in thickness? Might it be workable to add shims to make all of the collars the same thickness? Alternately, could the thicker ones...
10433 Andrew Mawson
awemawson Offline Send Email
Oct 2, 2005
4:39 pm
... Alternately, ... height ... The top HAS to be the reference as in fact it rests against a shoulder on the collet to set the position in the spindle....
10434 Andrew Mawson
awemawson Offline Send Email
Oct 2, 2005
4:41 pm
... I !) ... more ... a ... so ... from ... though.... ... to it, ... one with ... second ... another one. ... (maybe ... similar ... Stephan, Can you pop a...
10435 Bob_xyz Offline Send Email Oct 2, 2005
4:50 pm
... wrote: <snip> ... on ... set ... max ... If ... My thought was that, as long as the collars were all the same thickness, there's a fixed distance from the...
10436 Stefan Trethan
stefan_trethan Offline Send Email
Oct 2, 2005
5:02 pm
On Sun, 02 Oct 2005 18:41:06 +0200, Andrew Mawson <andrew@...> ... maybe tomorrow. To reference it to the top of the ring you could press the drill...
10437 ralucas4277 Offline Send Email Oct 3, 2005
3:49 pm
... usec ... 30 ... this ... Curt, I assume it would be neccessary to use a raw rectified feed thru the first scr to the discharge cap, so that the voltage...
10438 Andrew Mawson
awemawson Offline Send Email
Oct 3, 2005
4:00 pm
OK I bit the bullet and made a tool collar setter last night. It unfortunately relies on the collars being the same thickness so I measure them first. I have...
10439 lcdpublishing Offline Send Email Oct 3, 2005
10:05 pm
ANdrew, Sorry if this has already been asked/covered, but are you using these drills on a CNC machine? If so, does that machine have tool length offsets? If...
10440 Andrew Mawson
awemawson Offline Send Email
Oct 3, 2005
10:19 pm
... these ... the ... just ... Chris, Yes it's a Bridgeport Interact 1 using a Heidenhain TNC151 controller (1987 vintage), and although tool offsets can...
10441 lcdpublishing Offline Send Email Oct 4, 2005
12:03 pm
Oh, that is bad. I have only worked with a couple of heidenhein controls and never felt they were too good. But it seems as though you have a system in place...
10442 cristian
cristianbip Offline Send Email
Oct 8, 2005
5:05 pm
Any idea where to find the cheapest UV laser? Cristian...
10443 milkgonefunky Offline Send Email Oct 9, 2005
5:39 pm
Hi guys, I am in AU, and I just bought a GBC Creative Laminator. I am yet to try it out for the purposes of sticking a PCB pattern to a copper board, but I...
10444 scratch_6057 Offline Send Email Oct 10, 2005
6:40 am
Can anyone explain how to get the Autorouter in Eagle (Freeware Version) to route two tracks in the PCB layout to one pin in the schematic? Specifically what...
10445 scratch_6057 Offline Send Email Oct 10, 2005
6:41 am
Can anyone explain how to get the Autorouter in Eagle (Freeware Version) to route two tracks in the PCB layout to one pin in the schematic? Specifically what I...
10446 Dave
wa4qal Offline Send Email
Oct 10, 2005
6:56 pm
... I seem to remember plans where you could build your own ultraviolet Nitrogen based laser (for little cost). I think the plans may have been in Scientific...
10447 Henry Carl Ott
hcarlott Offline Send Email
Oct 10, 2005
7:24 pm
I remember that S.A. article. From back when the amateur scientist did some real science. It was cheap, but complex. Also I believe it was only pulse mode. I ...
10448 bob_ledoux Offline Send Email Oct 11, 2005
1:53 pm
The inexpensive version is the unit sold by Pulsar.gs for their systems. They work well with .8mm thick boards. My experience is that multiple passes...
10449 cristian
cristianbip Offline Send Email
Oct 14, 2005
4:55 am
News? The schematic? Cristian...
10450 mikezcnc Offline Send Email Oct 14, 2005
11:06 pm
nitrogen laser is only good as a source of koherent light for experiments that require it. Otherwise- useless for drilling and cutting. Mike...
10451 cristian
cristianbip Offline Send Email
Oct 15, 2005
5:45 am
... I'm looking for an UV laser to expose the presensitized PCB. IR laser is powerful enough for cutting/drilling but not for my project. Cristiam...
10452 mikezcnc Offline Send Email Oct 15, 2005
3:35 pm
IR is not nitrogen. Mike...
10453 Adam Seychell
a_seychell Offline Send Email
Oct 15, 2005
9:20 pm
... Assuming you have a suitable UV laser at your disposal, how do you plan on directing its beam as accurately controlled pattern on the surface of the pre...
10454 cristian
cristianbip Offline Send Email
Oct 15, 2005
9:30 pm
... Using my CNC drill/mill machine. Also used for drilling....
10455 lcdpublishing Offline Send Email Oct 16, 2005
10:41 pm
Hi all, I have been making some PCBs of late (just getting rolling with some projects as I learn about electronics). The first few boards I etched were on the...
Messages 10426 - 10455 of 30157   Oldest  |  < Older  |  Newer >  |  Newest
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