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2005-08-15 by Stefan Trethan
Hi, just wondering, a small wave soldering machine, would it tin a board without soldermask properly so it can be populated or would the solder tent the holes?
2005-08-14 by Curtis Richards
... There was a Radio-Electronics construction article about building such an active load that allowed you to use a 2N3055 as variable power resistor. In
2005-08-11 by lcdpublishing
Hi Dave, Sorry I can t recommend a paper locally, but I have used the Pulsar product I got via mail order. It s expensive (around a buck a sheet I think) and
2005-08-11 by Phil
Well, I use any regular inkjet paper. Inkjet paper is coated so the ink doesn t wick and that coating makes for reasonable release. I m sure there is better
2005-08-11 by Dave Mucha
I give up. Yahoo s seach engine is horrible since the change. I know that we ride a tide of what is best and it changes for different reasons. I have used
2005-08-11 by bob_ledoux
I use a Prosnip 20SL hand snips I bought to cut aluminum sheeting. It does a good job. The edges are pretty crisp.
2005-08-11 by David P Harris
A metal shear will work fine. I have used the run of the mill paper cutters -- flat 16x16 inch platform with a slightly curved blade on right side. However,
2005-08-10 by derekhawkins
... There s no way I d be using a saw. Been using a shear (it s a 12 shear, brake, roll combo that HF used to sell a couple years back) then finishing with
2005-08-10 by derekhawkins
... Enco sells at least four that I know of; 1. 201-2826 (Phase-II, $68.95) 2. 201-2536 (?, $119.95) 3. 201-2524 (?, $153.95) 4. 891-4153 (Palmgren, $198.95) I
2005-08-10 by Phil
I use this http://www.grizzly.com/products/item.cfm?ItemNumber=G4011 It is clearly overkill for the job but I use it for lots of other things like making
2005-08-10 by Stefan Trethan
On Wed, 10 Aug 2005 19:18:30 +0200, Dave Mucha ... i hope the filter catches it. Looking forward to try wet drilling with the CNC. ST
2005-08-10 by Dave Mucha
... ppl ... said ... and ... the ... sheet ... so i ... edge ... also ... Side note : when you read such a complete post and review of differeing technologies,
2005-08-10 by Dave Mucha
... I have a 30 inch metal shear and it leaves a rough edge. I have a T-Tech etching machine and it leaves a pristine edge. A friend has a wet tile saw from
2005-08-10 by Stefan Trethan
On Wed, 10 Aug 2005 18:52:38 +0200, lcdpublishing ... The cleanest cut will be with a carbide circular saw - there are small blades made of carbide about 10cm
2005-08-10 by Dave Mucha
... There are two basic X/Y tables, one has a 5x12 table, the other has a 6 x 18 table. (use-enco.com p/n 201-2826 $68.95) the 6x18 table is the one I see
2005-08-10 by lcdpublishing
After cutting a few boards to size on the band saw, I now realize how abrasive they are and how quickly then can dull a band saw blade (made for wood cutting).
2005-08-10 by derekhawkins
... They all aren t created equally that s for sure. Which particular cross slide are you referring to? ... The driver boards are from IMSERV.
2005-08-10 by Dave Mucha
... boards seem ... unsolder ... same time ... careful you ... the ... differences in ... whatever, and ... I mechanically etch boards and when I m done, I
2005-08-10 by Dave Mucha
... Just going thru the old posts (still looking for the best paper these days. I remember when it changed weekly on this list....) Anyway, the posted file
2005-08-10 by Dave Mucha
... pointing out ... about ... just reading some old posts to see what the best (cheap) paper is these days. I gotta laugh at this thread though. And Stefan,
2005-08-10 by Dave Mucha
... A word of warning, the end brackets are steel on cast iron. mine ground into the cast iron within a month. It is crying our for thrust bearings, and
2005-08-09 by Stefan Trethan
On Tue, 09 Aug 2005 18:03:49 +0200, derekhawkins ... I admit i haven t thought this through. It is messy stuff after all... ST
2005-08-09 by James Liddle
Date: Tue, 09 Aug 2005 14:50:20 -0000 From: Subject: Re: FeCl2 [......The disposal of spent Ferric Chloride has generated several posts in
2005-08-09 by Stefan Trethan
On Tue, 09 Aug 2005 17:20:45 +0200, derekhawkins ... The q. is if they did cosider the copper content when recmmending that or if it
2005-08-09 by derekhawkins
... I haven t used it for at least two years. It s just too messy and the color is such that visually following the etching process is difficult unless you
2005-08-09 by Leon Heller
... From: Stefan Trethan To: Sent: Tuesday, August 09, 2005 4:21 PM Subject: Re: [Homebrew_PCBs] Re:
2005-08-09 by Russell Shaw
... When i got my 30 litre bottle of FeCl, i found the common name for it is Profloc-F, and it is used in large quantities to treat sewer, probably as a
2005-08-09 by Stefan Trethan
On Tue, 09 Aug 2005 16:50:20 +0200, derekhawkins ... Many of us don t use FeCl in large quantity, i use CuCl now which can be
2005-08-09 by derekhawkins
... Ah well, that eliminates just throwing it out the back door in my case. Wife would have a fit. ... Even some HazMat agencies seem to recommend just that
2005-08-09 by Russell Shaw
... I found that FeCl saturated with copper is *highly* toxic to grass, and probably most other plantlife, tho the grass does recover after a few weeks;) I d
2005-08-09 by derekhawkins
... The disposal of spent Ferric Chloride has generated several posts in newsgroups. From the mixing with washing soda first to the mixing with cement before
2005-08-09 by Stefan Trethan
On Tue, 09 Aug 2005 10:28:27 +0200, Leon Heller ... Yes, but it will only etch so much copper than then no more, i guess you know that, but nobody mentioned it
2005-08-09 by Leon Heller
... From: Naveed Alam To: Sent: Tuesday, August 09, 2005 12:02 AM Subject: [Homebrew_PCBs] FeCl2 ...
2005-08-08 by Adam Seychell
... Don t worry, you ll be able to pass it down to your grandchildren.
2005-08-08 by Naveed Alam
I have a solution of FeCl2 for etching copper boards. I keep it in a plastic bottle having a tight cap. Is there any problem with it. Is there any possibility
2005-08-08 by lcdpublishing
... Great looking machine - very nicly done! What servo motors and drivers are you using? The drivers have been a tough find for me so far - at least in a
2005-08-08 by derekhawkins
... $199.00. Here s a link at Enco (part #891-4153); http://www.use-enco.com/CGI/INSRIT? PARTPG=INLMKD&PMPXNO=3904183&PMAKA=891-4153 However, if you Google
2005-08-08 by Robert Hedan
Just wow! Kinda hard for me to figure what is made by you. Robert ... De : Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com] De la part de
2005-08-08 by derekhawkins
For those with access to a lathe. http://www.pbase.com/eldata/motor_mod
2005-08-08 by Stefan Trethan
On Mon, 08 Aug 2005 17:12:32 +0200, derekhawkins ... Hi, nice work. what did you pay for the ways? is it a converted x/y table like
2005-08-08 by derekhawkins
Updated pictures with 6 X4 accuracy sample also shown. http://www.pbase.com/eldata/cnc
2005-08-07 by Bob_xyz
Well, I guess *you* won t be getting that special phone call. :=) Regards, Bob
2005-08-07 by Steve
I -hate- chain letters. Banned. Steve Greenfield ... wrote:
2005-08-07 by Nuno Tavares
Hi, I have one of those for general DIY stuff. It s NOT suitable for pcb drilling. The thing vibrates a LOT at the higher speeds and will easily break any
2005-08-07 by Stefan Trethan
... very low rpm. unknown runout but those surely aren t precision. 30eur regular price at DIY stores here in europe. anyone have one? ST
2005-08-07 by rt2d_user
check this out guys http://cgi.ebay.com/5-SPEED-MINI-DRILL-PRESS-BENCH-TOP-UNIT-NEW_W0QQitemZ7536609975QQcategoryZ67226QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
2005-08-07 by Stefan Trethan
On Sun, 07 Aug 2005 13:58:16 +0200, ramamurthy3030 ... Yes you are right. my mistake was corrected back then. ST
2005-08-07 by ramamurthy3030
I read it to be Electrical Discharge Machining. http://www3.telus.net/public/aschoepp/edm.html Regards, S.Ramamurthy ... it is ... link or ... many ...
2005-08-06 by lcdpublishing
Machinebuilders here is the link http://groups.yahoo.com/group/machinebuilders/?yguid=175280003 the message should be back a few pages. Chris
2005-08-06 by jeff_smith_8992
I think Don Lancaster provided a pretty good description of this sort of EDM power supply in one of his Hardware Hacker articles at this site...