RE: [Homebrew_PCBs] Re: Want to attach motor to 1/8" COLLET
2012-10-04 by Boman33
For PCB drilling much higher RPM is desired. The very small die grinders with 1/8 collet are ideal for the application and if bought on sale I have seen them
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Re: [Homebrew_PCBs] Re: Want to attach motor to 1/8" COLLET
2012-10-04 by KeepIt SimpleStupid
I just ordered from the US the Dremel to Proxxon mount from these guys in Austrailia.
Re: [Homebrew_PCBs] Re: Want to attach motor to 1/8" COLLET
2012-10-04 by Harvey White
... The dremel has an aluminum collet, and has worse runout than the proxxon, which has a more precise steel collet (with 3 jaws, not 4). While the proxxon is
Re: Want to attach motor to 1/8" COLLET
2012-10-04 by cb277
Thanks for your thoughts. This is where the idea came from. My thought is to mount a motor on the linear slide & use an adapter for the drill bits..
Re: Want to attach motor to 1/8" COLLET
2012-10-04 by cb277
Cheap but all the broken bits are not
Re: Spray etcher completed
2012-10-01 by Daniel
This kind of turbine would work ? http://grabcad.com/library/francis-turbine-runner--1
Re: [Homebrew_PCBs] Re: Want to attach motor to 1/8" COLLET
2012-10-01 by Donald H Locker
OK. I can envision a drive to the collet chuck as a separate entity with no problem. For some reason, I was thinking this was about fitting a collet chuck
Re: [Homebrew_PCBs] Re: Want to attach motor to 1/8" COLLET
2012-09-30 by Kevin Impson
Hi Everyone, Donald, what you do is either with a timing, V, friction belt and pulley s you connect them. You mount the shank and at the top put a small pulley
Re: [Homebrew_PCBs] Re: Want to attach motor to 1/8" COLLET
2012-09-30 by Donald H Locker
Hi, Kevin. That link worked OK for me. I m not seeing how to attach one of those to the motor, though. Donald. -- *Plain Text* email -- it s an accessibility
RE: [Homebrew_PCBs] Re: Want to attach motor to 1/8" COLLET
2012-09-30 by Tony Smith
... I ve brought stuff from them, they are pretty good. Also at http://www.ctctools.biz for the eBay averse. Tony
Re: [Homebrew_PCBs] Re: Want to attach motor to 1/8" COLLET
2012-09-29 by Kevin Impson
Hi All, I don t know happened to Ebay but it wigs out with the link below.... just do a search with Google for straight shank collet chuck you ll see a
Re: Want to attach motor to 1/8" COLLET
2012-09-29 by Kevin Impson
Hi psykhon, I did a little more refining on my search on Ebay try this one...
Re: Want to attach motor to 1/8" COLLET
2012-09-29 by Kevin Impson
Hi psykhon, I think this might help you... Do a search for Collet Chuck on Ebay... you get like 919 results.... I found a couple that I might look at further
Re: Want to attach motor to 1/8" COLLET
2012-09-29 by psykhon@yahoo.com
I use a straigth grinder, its a tad big but powerfull and up to 28.000 rpm :-), and cheap also
RE: [Homebrew_PCBs] Want to attach motor to 1/8" COLLET
2012-09-29 by Tony Smith
... Flexshaft Tony
RE: [Homebrew_PCBs] Want to attach motor to 1/8" COLLET
2012-09-29 by Tony Smith
... It s called Here s what you need to type into Google. Have fun. . (Much better than responses that start I think... ) Google will, of course, bring up
RE: [Homebrew_PCBs] Want to attach motor to 1/8" COLLET
2012-09-29 by KeepIt SimpleStupid
http://www.sdp-si.com/ ... From: David C. Partridge Subject: RE: [Homebrew_PCBs] Want to attach motor to 1/8 COLLET To:
Re: [Homebrew_PCBs] Want to attach motor to 1/8" COLLET
2012-09-29 by Mitch Davis
On Sat, Sep 29, 2012 at 8:39 PM, David C. Partridge ... We used a Proxxon tool/collet on our self-made Hackerspace CNC machine, with very good results. They
RE: [Homebrew_PCBs] Want to attach motor to 1/8" COLLET
2012-09-29 by David C. Partridge
You can do a lot better than the Dremel collets, look at the ones that Proxxon sell. Dave ... From: Homebrew_PCBs@yahoogroups.com
Re: Spray etcher completed
2012-09-29 by Daniel
First of all you have made an excellent article ! regarding a sophisticated impeller/fan . There a lot of activity / enthusiasts that are building at home made
Re: [Homebrew_PCBs] Want to attach motor to 1/8" COLLET
2012-09-29 by Mitch Davis
... What kind of answer is that? Would you like to put a bit more information in that so we know what you re trying to say? Are you sugesting that what Chuck
Re: [Homebrew_PCBs] Want to attach motor to 1/8" COLLET
2012-09-29 by jeremy youngs
dremel ... -- jeremy youngs [Non-text portions of this message have been removed]
Want to attach motor to 1/8" COLLET
2012-09-29 by cb277
Hi, I want to make a mini drill press using a 10000 RPM motor with a 1/8 shaft to use with 1/8 bits. I have not found a shaft coupling or other parts to do
Re: Soldering Tricks for Milled Boards
2012-09-28 by PeterL
I m not too familiar with CAD, SMD technology and so on, so not sure this technique will apply in this case or solve your bridging problem. I ve been
Re: [Homebrew_PCBs] Soldering Tricks for Milled Boards
2012-09-28 by Les Newell
An acrylic spray laccquer should also work. As far as I know the only real difference with the proper stuff is that it has a UV dye in it, making
Re: USB microscopes & pcb holders
2012-09-27 by dubob4432
I use an older version of a unit like this amscope stereoscopie microscope - http://store.amscope.com/zm-3by.html They are large, heavy (60-80#s or so) but
Re: [Homebrew_PCBs] Soldering Tricks for Milled Boards
2012-09-27 by Spencer W
I just use regular brush on lacquer. http://m.homedepot.com/p/Minwax-1-qt-Satin-Clear-Brushing-Lacquer-15510/100552614/ Seems to work fine for me. Sent from my
RE: [Homebrew_PCBs] Soldering Tricks for Milled Boards
2012-09-27 by Jeff Heiss
Is there an equivalent to conformal lacquer that can be purchased at the big box hardware stores? Jeff _____ From: Homebrew_PCBs@yahoogroups.com
RE: [Homebrew_PCBs] Soldering Tricks for Milled Boards
2012-09-27 by Jeff Heiss
Can you post pictures of the board? What trace width and spacing are you achieving? Jeff _____ From: Homebrew_PCBs@yahoogroups.com
Re: [Homebrew_PCBs] Re: USB microscopes & pcb holders
2012-09-27 by Stefan Trethan
There is one point about working distance that isn t immediately obvious, wasn t to me anyway. The working distance added to the length of the optics is the
Re: USB microscopes & pcb holders
2012-09-27 by AlienRelics
They also sell an adapter that halves the power, while giving you twice the working distance and of course twice the field of view. I just ordered the adapter,
Re: [Homebrew_PCBs] Soldering Tricks for Milled Boards
2012-09-27 by Duane C. Johnson
... There are always tricks to soldering fine pitch boards. I have many prototype boards, 6mil lines 8mil spacing, tinned with no solder mask. My trick is to
Re: [Homebrew_PCBs] Soldering Tricks for Milled Boards
2012-09-27 by Les Newell
Another trick is to spray the board with conformal lacquer before soldering. Direct application of a soldering iron will burn through the lacquer allowing you
Re: [Homebrew_PCBs] Soldering Tricks for Milled Boards
2012-09-27 by Bob Butcher
I normally tin all the exposed copper before soldering the components in place, just to prevent corrosion of the bare copper. I do get some solder bridges
Re: [Homebrew_PCBs] Soldering Tricks for Milled Boards
2012-09-27 by Erik Knise
I ve soldered up a lot of prototype boards without solder mask but never a milled board. The solder will stick anywhere your soldering iron touches. I had to
Re: [Homebrew_PCBs] USB microscopes & pcb holders
2012-09-27 by Peter Johansson
... There are two serious problems with USB microscopes for soldering: 1. Latency. Depending on your setup, latency ranges from moderate to severe. Any
Re: [Homebrew_PCBs] Soldering Tricks for Milled Boards
2012-09-27 by Jamie Cunningham
I had the same problem and what I started doing was bringing the trace outline into Aspire and doing an larger offset and then doing an area mill of that
Soldering Tricks for Milled Boards
2012-09-27 by poofjunior
Hi, all, Just recently, I had a chance to mill my own PCBs with a script that exports a toolpath from Eagle Cad to a Modela milling machine. The resulting
Re: [Homebrew_PCBs] Re: USB microscopes & pcb holders
2012-09-26 by joe M
That looks pretty cool. Thanks. ... [Non-text portions of this message have been removed]
Re: USB microscopes & pcb holders
2012-09-26 by AlienRelics
Working distance, 4 inches: http://store.amscope.com/sw-2b13.html Steve Greenfield AE7HD
Re: [Homebrew_PCBs] USB microscopes & pcb holders
2012-09-26 by Stefan Trethan
Any USB microscope will not be ideal for working under it. The best solution would be a stereo microscope. It gives you magnified 3D vision and you can
Re: [Homebrew_PCBs] Problem printing quality on acetate etc. with Laserjet
2012-09-26 by Leon Heller
... I get excellent results with JetStar Premium film, from Mega UK: http://www.megauk.com/ You might be able to use the cheaper JetStar film with your
Problem printing quality on acetate etc. with Laserjet
2012-09-26 by ferrymanr
My HP2300 prints beautifully on paper. Tracks sharp and solid and I can t fault the image. When I try printing on acetates or, as a friend suggested, tracing
USB microscopes & pcb holders
2012-09-26 by Malti
Hi all. I am new to this group. I am a ham interested in homebrew. I have seen hundreds of usb microscopes with various specs. But, I hardly see any specs
Re: [Homebrew_PCBs] Re: Etchant Identification
2012-09-26 by Mitch Davis
... Ammonium Persulphate is good (I like the colour), but won t etch unless the temp is 70C ( 160F). ... Yeah. But it doesn t have to be, with the technique
Re: Etchant Identification
2012-09-25 by dgh2259
Gent s, Thank you all for your input on this matter! I think we can comfortably say its Ammonium Persulphate, going to give it a try, Ferric Chloride is a real
Re: Spray etcher completed
2012-09-24 by cunningfellow
... Motors I have at the moment pull only 9 watts each. Some others I had pulled even less. Your mileage may vary depending on where the motors peak
Re: Etchant Identification
2012-09-24 by studleylee
I agree with Leon: Ammonium persulphate. One of my favorites. Easy to see the etching process. Nice clear Blue and no real nasty smell etc. Turns darker and
Re: Sillhoute Cameo - Small electric spindle
2012-09-24 by Mike Sinclair
Cool. A number of older XY plotters used this method. The place where the cable was wrapped was actually a roller with a helix groove in it with enough
Re: Sillhoute Cameo - Small electric spindle
2012-09-24 by KalleP
... Saw a similar idea used here. http://www.cnczone.com/forums/549478-post668.html Kalle -- Johannesburg, South Africa