Re: [Homebrew_PCBs] SolderPaste dispenser and Pick and Place.
2006-09-20 by Ross McKenzie
Hi Derek. I don t know what the issue is...but I get a message saying The specified server cannot be found on both of these links after I attempt to start
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SolderPaste dispenser and Pick and Place.
2006-09-20 by Derek Barger
I thought some might be interested to see a couple of video of a homemade solder paste machine and Pick and place. These were done on a Taig with DenverCNC
Re: [Homebrew_PCBs] Re: UV exposure boxes - absorbtion
2006-09-19 by Adam Seychell
... Not sure about polycarbonate, but when I used 2mm PMMA sheeting ( non UV blocking type) for my first light box it took about twice as long to expose
Controversial question....
2006-09-19 by Bob Hyland-PMP
I have a question that I am sure will create some sort of controversy... so I apologize in advance. However, I am considering making a CNC device (probably
Re: [Homebrew_PCBs] Re: First Inkjet PC Board
2006-09-19 by Stefan Trethan
... I have not found that to be the case (no black used for glossy paper setting) although it will do that for transarency. ST
Re: [Homebrew_PCBs] Re: First Inkjet PC Board
2006-09-19 by Stefan Trethan
... Mine used 3rd party, that may be the reason it cleaned easily. ST
Re: First Inkjet PC Board
2006-09-19 by Steve
... More info: Epson uses some kind of resin coating on the Durabrite color inks. But not on the black. Since the resin coating is there just so Durabrite
Re: First Inkjet PC Board
2006-09-19 by Steve
... The C8x and C6x series, and the all-in-ones that use the same cartridge, are a real problem with the OEM Durabrite inks. Epson put a lot of chemistry into
Re: [Homebrew_PCBs] Re: First Inkjet PC Board
2006-09-19 by Stefan Trethan
... I see the same, but if i try to use any less ink it does not fully resist. I have printed a series of strips on the same PCB offset to each other and with
Re: First Inkjet PC Board
2006-09-19 by jam5411
Stefan, Apologies for the spelling of your name I was up too long... MIS yellow was/is in all 4 cartridges, with a touch of black for visability. The settings
Re: [Homebrew_PCBs] Fuser Temperature
2006-09-19 by Stefan Trethan
On Tue, 19 Sep 2006 14:21:20 +0200, John Craddock ... Yes, those are suitable too, but may be harder to get and one needs to make sure the speed is right, they
RE: [Homebrew_PCBs] Fuser Temperature
2006-09-19 by John Craddock
... Yes, I remember the canning you received about using the chicken grill motor. I have used a geared hobby motor. Just by chance the shaft is 5mm with a flat
Re: [Homebrew_PCBs] Fuser Temperature
2006-09-19 by Stefan Trethan
On Tue, 19 Sep 2006 12:41:42 +0200, John Craddock ... I ran mine at 180C and the feedrate was about an a4 page per minute (a foot a minute). Used a chicken
[Homebrew_PCBs] Fuser Temperature
2006-09-19 by John Craddock
Question to the printer fuser gang in the toner transfer camp. What temperature does one set the fuser to for good results. My LJ2100 manual says the fuser
Re: [Homebrew_PCBs] First Inkjet PC Board
2006-09-19 by Stefan Trethan
... Yes, i still have similar problems. I am not sure why, but it seems i must put on much more ink than Volkan. My guess is that the difference might be he
Re: [Homebrew_PCBs] Re: various inkjet printing.
2006-09-19 by Stefan Trethan
... It would show which inks definitely don t work, but not necessarily that they will work. ST
First Inkjet PC Board
2006-09-19 by jam5411
in the photos section under JMBoard Images is a photo of my first successful Inkjet PC Board! Well yes I am thrilled... This board has good runs to 6 mil. 5
Re: various inkjet printing.
2006-09-18 by Chris Horne
Stefan, I haven t yet modified a printer, but I want to try for another source of ink here in the UK.. I have just sent for a sample... Would spotting a board
Re: [Homebrew_PCBs] re: tweezers and stylus
2006-09-16 by lists
In article , ... Certainly does! The last pair I bought came from a tool stall at the Royal Welsh (agricultural) show for a
Re: Stupid- simple tip but worth it ....
2006-09-15 by lcdpublishing
Well, seeing as I started this whole mess, it s time again for me to voice some comments and opinions... Aligator (or some folks call them crocidile) clips are
Re: [Homebrew_PCBs] Re: UV exposure boxes
2006-09-15 by Stefan Trethan
... I think it is more like PMMA can be made to block UV (for example with special coatings). I don t think polycarbonate can be made to allow UV to pass.
Re: UV exposure boxes
2006-09-15 by derekhawkins
... Either can be formulated to block UV. ==================================================================== Tuffak® XL Weatherable Polycarbonate Sheet
Re: [Homebrew_PCBs] Re: Stupid- simple tip but worth it ....
2006-09-15 by Stefan Trethan
On Fri, 15 Sep 2006 19:05:20 +0200, Tony Smith ... Ha! that sounds to me damn close to someone invoking Godwin s Law! :-) Look, i
Re: [Homebrew_PCBs] Re: UV exposure boxes
2006-09-15 by Stefan Trethan
... You are probably talking about PC (polycarbonate, lexan) and PMMA (acrylic glass, plexiglass). From what i read polycarbonate is filtering out UV and PMMA
RE: [Homebrew_PCBs] Re: Stupid- simple tip but worth it ....
2006-09-15 by Tony Smith
... Must be a peculiar property of the internet where two people who agree on something can go around and around and around and around and bore the rest of the
Re: UV exposure boxes
2006-09-15 by derekhawkins
... Don t know about perspex but on this side of the pond there can be at least two types of plexiglass from the same manufacturer. One states Transparent to
Re: [Homebrew_PCBs] UV Exposure system ideas
2006-09-15 by Leon Heller
... From: twb8899 To: Sent: Friday, September 15, 2006 3:27 PM Subject: [Homebrew_PCBs] UV Exposure
Re: [Homebrew_PCBs] Re: UV exposure boxes
2006-09-15 by Leon Heller
... From: Stefan Trethan To: Sent: Friday, September 15, 2006 1:29 PM Subject: Re: [Homebrew_PCBs]
UV Exposure system ideas
2006-09-15 by twb8899
Here are some additional ideas for UV exposure systems. The UV system I use is a Colight DMVL-930 which has two lamps operating at 1500 watts. The lamps are
Re: UV exposure boxes
2006-09-15 by derekhawkins
... That s not a good idea for an exposure box. Just the opposite (collimation) is recommended.
Re: UV exposure boxes
2006-09-15 by derekhawkins
... 1.5 . It s not glass BTW, it s non-UV blocking plexiglass. ... They are 18 15W tubes. ... 1 ... 1.5 Some notes: 1. Use a contact frame instead of
Re: UV exposure boxes
2006-09-15 by derekhawkins
... 2.5 minutes per side for double sided boards when they re new. But I overexpose them to 3.5 minutes to remove the inkjet ragged edges. Don t try that with
Re: [Homebrew_PCBs] Re: UV exposure boxes
2006-09-15 by Sander Pool
I ve used 1/2 thick acrylic with a regular gas discharge desk lamp, the type with a magnifying glass in the middle. I don t recall the exact exposure times
Re: [Homebrew_PCBs] Re: UV exposure boxes
2006-09-15 by Stefan Trethan
On Fri, 15 Sep 2006 13:51:20 +0200, Leon Heller ... isn t perspex much less transparent to uv than window glass? I m not sure at which wavelengths though. ST
Re: [Homebrew_PCBs] Re: UV exposure boxes
2006-09-15 by Leon Heller
... From: Andrew To: Sent: Friday, September 15, 2006 10:03 AM Subject: [Homebrew_PCBs] Re: UV
Re: UV exposure boxes
2006-09-15 by Andrew
... The ones that look white when they are turned off are the BL (Black Light). The ones that look purple when they are off are BB (Black Light Blue). The GT
Re: [Homebrew_PCBs] Re: UV exposure boxes
2006-09-15 by Herbert E. Plett
... did you try to place a piece of that wobbly glass (bathroom window) on top of the tubes to scramble the light?
Re: [Homebrew_PCBs] Re: UV exposure boxes
2006-09-15 by Leon Heller
... From: Leon Heller To: Sent: Friday, September 15, 2006 7:40 AM Subject: Re: [Homebrew_PCBs]
Re: [Homebrew_PCBs] Re: UV exposure boxes
2006-09-15 by Leon Heller
... From: derekhawkins To: Sent: Friday, September 15, 2006 3:37 AM Subject: [Homebrew_PCBs] Re: UV exposure
RE: [Homebrew_PCBs] Re: UV exposure boxes
2006-09-15 by John Craddock
... Thanks for sharing that information Derek. A couple of questions if I may. Can you tell me the distance from the top of the tubes to the top of the
Re: UV exposure boxes
2006-09-15 by Andrew
... My guess too. ... Now that would have to be pretty even illumination ... AFAIK there are 3 common types of UV tube. The generic part numbers for these
Re: UV exposure boxes
2006-09-15 by derekhawkins
... Tubes are probably spaced too far apart. I started with this; http://www.pbase.com/eldata/image/52324065 Then went to this to ensure that would never be a
Re: UV exposure boxes
2006-09-15 by Andrew
... Not a lawyer but almost as bad :P ... Kalex thing. ... Um - about a big as a large briefcase. Larger than A4. ... Some people say no. I am going to throw
Re: [Homebrew_PCBs] Re: Fanatical hobby projects
2006-09-15 by Russell Shaw
... He asked for opinions and he got it. A better use for a CNC machine is machining the front panels of project boxes, which is what motivates me to making
Re: [Homebrew_PCBs] Re: Fanatical hobby projects
2006-09-15 by Russell Shaw
... You asked for opinions and you got it. A decent spray etcher cuts the hours, requires a certain amount of skill and concentration to a much quicker and
Re: Fanatical hobby projects was: MultiLayer was: What is your favorite free P
2006-09-15 by Andrew
... Never tried it on trannys. I always thought that vellum was almost invisable to UV light. ... Derek, I will give it a go on trannys just for you. BTW - I
Re: Fanatical hobby projects was: MultiLayer was: What is your favorite free P
2006-09-15 by derekhawkins
... Let me know if you need small servo drives.
Re: Fanatical hobby projects was: MultiLayer was: What is your favorite free P
2006-09-15 by Andrew
... I am not planing on doing CNC till I have the laser plotter running. I suspect the dimensional accuracy there should be acceptable :D
Re: Laminators
2006-09-15 by Steve
... Take a look in the Database section of the group page, people have listed laminators they ve tried along with results. Both good and bad. Steve Greenfield
RE: [Homebrew_PCBs] UV exposure boxes
2006-09-15 by John Craddock
... Andrew, Sorry, left the Zeiss s down on the boat! Docucentre!! you must be a lawyer!! Only lawyers can afford things like that!! Tell us more about the UV