Re: [Homebrew_PCBs] Re: Wooden CNC router
2006-12-21 by DB Express
At last, something I have some knowledge about. R8 is a very popular milling machine taper (at least here in the US). A shop I used to work in had an old
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Re: Wooden CNC router
2006-12-21 by Dave Mucha
... http://www.littlemachineshop.com/products/product_view.php?ProductID=2383 ... course Homier also does road shows, and sells the 7x lathe. $299.
RE: [Homebrew_PCBs] Re: Wooden CNC router
2006-12-21 by Randy Ledyard
Steve There s also another option on the 7 x ?? lathes Get the Cummins version in a 7x12 http://www.cumminstools.com/browse.cfm/4,876.htm and then get the inch
Re: Wooden CNC router
2006-12-21 by Steve
... snip ... What do you think of R8 vs #3 Morse? Is one better, or easier to find than the other? ... Actually, lower down on that page it says the MicroMark
Re: [Homebrew_PCBs] Re: Wooden CNC router
2006-12-21 by Sebastien Bailard
... -=snip=- ... Steve, You re probably aware of this, but they re the same machine under the hood: All the mini mills listed on this page are made in the
Re: Wooden CNC router
2006-12-21 by Steve
... I bought a 9x12 from Enco a few years ago, but have been too flat busted to do anything about it. Now that I ve gone from being ungainfully self-employed
Re: [Homebrew_PCBs] Dry Film Photoresist
2006-12-21 by Russell Shaw
... I get a panel of precoated double-sided negative pcb from my pcb vendor for only 10-20% of the price in electronics shops. I keep it in the fridge, and
Re: [Homebrew_PCBs] UV photoplotter
2006-12-21 by Roland Harriston
It seems to me that I remember (many years ago) that there was a coordinatograph type machine that we used in the microwave design lab that did something
RE: [Homebrew_PCBs] UV photoplotter
2006-12-21 by Tony Smith
... It s already been done. Works well actually, definitely not nutty. There s a web page out there somewhere of one that was home made, but there are
Re: [Homebrew_PCBs] Re: Wooden CNC router
2006-12-21 by Herbert E. Plett
... sure a good thing, but you pay the difference in huge stepper motors... __________________________________________________ Do You Yahoo!? Tired of spam?
Re: $500 CNC machine (was Wooden CNC router)
2006-12-20 by Randy Ledyard
Another option for a cheap CNC machine would be to start with the Micro Mill for Harbor Freight
Re: [Homebrew_PCBs] UV photoplotter
2006-12-20 by Phil Mattison
I guess the sensible thing to do would be to get some UV LEDs and some boards and do some experiments. If it worked it would be better than masking or milling.
Re: [Homebrew_PCBs] UV photoplotter
2006-12-20 by David Griffith
... The field of homebreweing PCBs is full of nutty ideas, some of which work. I d call this nutty, but definitely not stupid. It s worth some investigation
Re: [Homebrew_PCBs] UV photoplotter
2006-12-20 by Neil Baylis
A UV LED would probably not be enough, but a UV Laser would. Unfortunately, the UV Laser will be quite expensive. There may be some other UV source that would
Re: [Homebrew_PCBs] Re: Inkjet Transparency Material
2006-12-20 by Leon Heller
... From: derekhawkins To: Sent: Wednesday, December 20, 2006 7:12 PM Subject: [Homebrew_PCBs] Re: Inkjet
Re: Inkjet Transparency Material
2006-12-20 by derekhawkins
... Typically, it s the laserjet that suffers from opacity issues and pinholes when using transparencies.
Re: Wooden CNC router
2006-12-20 by derekhawkins
... Geez, a milling table is the easiest route to CNCed XY axes and you already have one? It s the basis for my CNC drill; http://www.pbase.com/eldata/cnc You
Re: [Homebrew_PCBs] Re: Inkjet Transparency Material
2006-12-20 by Richard
I actually use a laserjet to do mine, I had problems with over exposure on the inkjets because they apprently let some light thru. Richard ... From:
Dry Film Photoresist
2006-12-20 by scratch_6057
Could those of you who are using Dry Film Photoresist please give any recommendations as to what you are using, results, and sources for small quanity supplies
RE: [Homebrew_PCBs] Re: Wooden CNC router
2006-12-20 by Brian Schmalz
Yup. Got the mini lathe and mini mill going on. Love them both. Any day that I get to use them is guaranteed to be a good day. (just like, as a software guy,
Re: Wooden CNC router
2006-12-20 by derekhawkins
... ~ ... ~ ... You fit the profile of someone who needs a lathe and a mill or a lathe/mill combo. $900.00 can get you both.
[Homebrew_PCBs] UV photoplotter
2006-12-20 by Marko Pavlin (home)
Hello! I am following this nice group for a while. This is my first post. I ve got old X/Y coordinate table which used to be simple pick and place machine.
Re: Inkjet Transparency Material
2006-12-20 by derekhawkins
... I ve found the limitation to be the inkjet printer. Here s a 6X6 rules torture test; http://www.pbase.com/eldata/6_6_rules The printer could not handle
RE: [Homebrew_PCBs] Re: Wooden CNC router
2006-12-20 by Brian Schmalz
Yah, that s true. In many ways a kit is more attractive to me personally than a pre-built. Why? Because I _love_ making things. It s why I m on this group
Re: Wooden CNC router
2006-12-20 by lcdpublishing
Hi Dave, Sounds like an interesting machine. Like I told the last guy, if you can produce and sell a CNC router for under $500.00, my hats off to you! That
Re: [Homebrew_PCBs] Re: Wooden CNC router
2006-12-20 by Myc Holmes
Hi Dave, I really do wish you well on this project, I had seen some your designs from a couple of years ago and they were well thought out. I have put aside my
Re: Wooden CNC router
2006-12-20 by derekhawkins
... This appears to be an excellent frame starting at $1,150.00; http://www.k2cnc.com/Machines/CNC-router-KT-1414_detail.asp Finishing with steppers on your
Re: Wooden CNC router
2006-12-20 by derekhawkins
... This is real and not a kit; http://maxnc.com/page12.html
Re: [Homebrew_PCBs] Inkjet Transparency Material
2006-12-20 by Richard
... I run two traces in between .100 pads all the time and never had an issue. I use the GC Positive Pre-sensitived Boards and their developer. Works
Re: [Homebrew_PCBs] Inkjet Transparency Material
2006-12-20 by Leon Heller
... From: Bora Dikmen To: Sent: Wednesday, December 20, 2006 6:58 AM Subject: [Homebrew_PCBs] Inkjet
Inkjet Transparency Material
2006-12-20 by Bora Dikmen
... At this point, I m using the more expensive pre coated board material, the main reason being ease of access, (3 retail suppliers in my area). What is the
Re: Wooden CNC router
2006-12-20 by Dave Mucha
... dave_mucha at yahoo dot com you have to put it together. I think that if I put it in a post, it strips it off. I m very interested in a low-price CNC
RE: [Homebrew_PCBs] Re: Wooden CNC router
2006-12-20 by Brian Schmalz
Dave, I d write to you off list, but I can t find an address for you. I m very interested in a low-price CNC kit, even with a very small work envelope and for
Re: Wooden CNC router
2006-12-20 by Dave Mucha
... To point out the costs, you can make a frame for under $50 and put in rails of some sort or anther for, maybe $50 to $75. motors for $30 ? a hobbyCNC
Re: Wooden CNC router
2006-12-20 by Dave Mucha
... Actually, I had thought about this some 3-4 years ago when I got in the hobby. I saw some obvious flaws to John K s plans. Mainly that he is strictly
Re: Inkjet Transparency Material
2006-12-20 by scratch_6057
Russell Shaw ... The seller has a waterproof film that is a little more $$. The link is for the NON waterproof variety that I have been using. ... anyway. ...
Re: Inkjet Transparency Material
2006-12-19 by derekhawkins
... Similar to Epson s film at 1/3 the price. Worth a shot, thanks for the link.
Re: Wooden CNC router
2006-12-19 by mycroft2152
... An under $500 CNC? Well actually, there is a british one, but it uses drawer slides and string wrapped aropund the stepper motor to move the axis. As the
Inkjet Transparency Material
2006-12-19 by Bora Dikmen
Hi, As I understood, you print on this film with black ink and then pose with UV. So there is no need to buy waterproof version? Did you use dry film, and
Re: [Homebrew_PCBs] Inkjet Transparency Material
2006-12-19 by Leon Heller
... From: scratch_6057 To: Sent: Tuesday, December 19, 2006 2:20 PM Subject: [Homebrew_PCBs] Inkjet
Re: [Homebrew_PCBs] Inkjet Transparency Material
2006-12-19 by Russell Shaw
... Is this the non-waterproof film? The gelatine coated stuff is what the genuine epson inkjet film was anyway. The HP, canon, and others all used that cruddy
Inkjet Transparency Material
2006-12-19 by scratch_6057
This is basically just an FYI post, I know it reads like an advertisement but I have NO connection with the company except being a happy customer. If you are
Re: OT lets go kick a contributor
2006-12-19 by lcdpublishing
Since you asked.... The mystery kid in question seems to have vanished. It all started shortly after opening his on-line store to sell his products. After
Re: Direct printing conductors?
2006-12-19 by bahadir_armagan
... Cannon did print 20layer 1mm thick pcb using coductive and isolating ink. I also see very few info about conductive inks. I found a research group but they
Re: [Homebrew_PCBs] Epson 900 direct printing on PCB
2006-12-19 by Lez
... Yes isnt machine intelligence wonderful, the 900 OTOH, optically detects a notch and a white square printed on the tray, not the disk. I have tried
Re: Wooden CNC router
2006-12-19 by Kevin Morgan
Guys, I do think a DIY CNC kit for under $500 is certainly possible. I think I have under $300 in materials in my home built setup, including stepper motors
Epson 900 direct printing on PCB
2006-12-19 by Bora Dikmen
Hi Lez, R220 can also print onto CDs. It has a narrow (1/3 of A4) CD tray. I tried to print PCB via this utility but it failed. The sensor in the printing head
Re: [Homebrew_PCBs] Has anyone tried this?
2006-12-19 by Herbert E. Plett
I don t know this stuff, but it seems it has very low (no) adhesion to the base material and, therefore, will not be useful as a resist. if you are drawing
RE: [Homebrew_PCBs] OT lets go kick a contributor
2006-12-19 by John Craddock
Some people just cannot help themselves when it comes to poking at others. I suspect the underlying reason is a failure to deal with their own shortcomings. I
Re: [Homebrew_PCBs] Re: Resistor Divider network using a multi turn Pot
2006-12-18 by guja
wrong forum? use TL431. Thomas wrote: sorry Lads wrong forum ... From: Thomas To: Sent: Tuesday, December 19, 2006 12:52 AM Subject: