Conformal coating
2006-01-21 by Joaquim Boavida
Hi list, I need advice about conformal coating materials to protect the board from harsh environments. I like a matte finish on my boards, not the brilliant
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RE: [Homebrew_PCBs] Newbie...how best to cut pre sensitised pcb?
2006-01-21 by Ian
I use a junior hack say to cut all my boards now. I also have one of those really small circular saws but it wears out the blades too quickly. To smooth the
Re: [Homebrew_PCBs] Re: Newbie...how best to cut pre sensitised pcb?
2006-01-21 by Leon Heller
... From: Gary To: Sent: Saturday, January 21, 2006 12:10 PM Subject: [Homebrew_PCBs] Re: Newbie...how
Re: Newbie...how best to cut pre sensitised pcb?
2006-01-21 by Gary
Hi leon, Where do you get the (fibreglass/paper composite) from? i haven t seen any in the UK? Regards Gary ... It s ... composite) than
Re: [Homebrew_PCBs] Newbie...how best to cut pre sensitised pcb?
2006-01-21 by Stefan Trethan
... Not really, i sawed it in the past and it didn t damage the protective coating much at the edges. These days i prefer using a lever shear to cut PCBs, the
Re: [Homebrew_PCBs] Newbie...how best to cut pre sensitised pcb?
2006-01-21 by Leon Heller
... From: Gary To: Sent: Saturday, January 21, 2006 11:32 AM Subject: [Homebrew_PCBs] Newbie...how
Newbie...how best to cut pre sensitised pcb?
2006-01-21 by Gary
Hi, I m assuming if you use a hack saw, it will let sun light in at edges, so is there a better way? Regards Gary
Re: [Homebrew_PCBs] Re: FYI : Cheap Rotery Tool at Harbor Freight
2006-01-21 by Chris Hart
I use a Dremel MiniMite 4.8V rechargable tool (Model 750) to drill the holes in the boards I make. It has 2 speeds, I put it on high, and with the extremely
Re: FYI : Cheap Rotery Tool at Harbor Freight
2006-01-21 by soffee83
... Yeah (mine are at least). They came from Tools and Tunes (good place) from a tip here in the group - http://tinyurl.com/927vq George
Re: FYI : Cheap Rotery Tool at Harbor Freight
2006-01-21 by glasspusher2001
Others have recommend carbide bits, as steel dulls rather quickly. These reconditioning places don t have carbide ones do they? Don
Re: FYI : Cheap Rotery Tool at Harbor Freight
2006-01-21 by alan00463
... shank ... Check my post 11737. Those bits have 1/8 shanks. Alan
Re: FYI : Cheap Rotery Tool at Harbor Freight
2006-01-21 by soffee83
... wrote:I just need the PC board sized bits ... Don, I coincidentally saw a multi-pack of those on the HF site while I was looking
Re: FYI : Cheap Rotery Tool at Harbor Freight
2006-01-21 by glasspusher2001
... I just need the PC board sized bits with 1/8 shanks. Where can I buy new ones besides these reconditioned ones? Don
Re: FYI : Cheap Rotery Tool at Harbor Freight
2006-01-20 by scratch_6057
... MIGHT (???) be able to use one of these Keyless Chucks
Re: FYI : Cheap Rotery Tool at Harbor Freight
2006-01-20 by soffee83
Thanks for the tip! I was looking for a cheap quiet one around Christmas, but have been stuck finishing up a bunch of side jobs people have assigned me, and
Re: [Homebrew_PCBs] Re: What spindles are in use?
2006-01-20 by Stefan Trethan
... and three to seven times as much noise, and three to seven times as much heat to be vented away. I have never managed to even slow a carbide drill
FYI : Cheap Rotery Tool at Harbor Freight
2006-01-20 by scratch_6057
Just checked my Harbor Freight flyer from yesterday s mail they have a knock off Dremel type rotery tool on sale ($20.00 USD) until Jan. 30, 2006 Posted scan
Re: What spindles are in use?
2006-01-20 by lcdpublishing
I believe this thread started with making a drill press of sorts for drilling PCBs, so if I am off track, forgive me, I got lost in the thread somewhere.
Re: What spindles are in use?
2006-01-20 by idaho_huckleberry
... I have an old shunt/series dc motor that I think runs in the 20K to 30K speed range with just a smooth shaft coming out of the berring. How does one fit a
Re: What spindles are in use?
2006-01-20 by alan00463
Another factor about the die grinders: Do they use a 3 piece collet or a 4 piece collet? Stefan said the 3 piece collets are superior. I see that is true
Re: What spindles are in use?
2006-01-20 by alan00463
... . . . I forgot to mention one of the most important things! The Proxxon rotary tool draws 0.9A. These die grinders draw three to seven times as much
Re: What spindles are in use?
2006-01-20 by alan00463
... made by ... die grinder. Well, I had never heard the term die grinder before reading this thread. A quick google search reveals that inexpensive
Re: [Homebrew_PCBs] Re: What spindles are in use?
2006-01-20 by Adam Seychell
... There seems to be the conventional electric die grinders at $2000 specialized CNC PCB drilling spinals, like those made by Westwind.
Re: What spindles are in use?
2006-01-20 by Chris Horne
Richard, sorry.. yes, skate bearings .. I think faster than I type ! The reason skate bearings are so useful is that they are used in such large quantities,
Re: [Homebrew_PCBs] Re: What spindles are in use?
2006-01-19 by Stefan Trethan
... You might try to ask Herbert Kabi (herbertkabi@justice.com) for one. He makes custom spindles with brushless motors, but i don t know the price. Best use
Re: What spindles are in use?
2006-01-19 by Richard
ahhh....skate bearings....of course! Sorry bout that...I should ve figured that one out myself. Put it down to late-night fatigue. Aren t ABEC-9 bearings
Re: What spindles are in use?
2006-01-19 by dayap1
Chris, Can you provide some details of the home made spindle? Even a couple of photos would be fine. What motor? What chuck? etc. Rhanks. Daya.
Re: [Homebrew_PCBs] Re: Re: Re: Board produced with JetStar film
2006-01-19 by Leon Heller
... From: Leon Heller To: Sent: Thursday, January 19, 2006 10:18 AM Subject: Re:
Re: [Homebrew_PCBs] Re: Re: Re: Board produced with JetStar film
2006-01-19 by Leon Heller
... From: bengt To: Sent: Tuesday, January 17, 2006 12:20 PM Subject: [Homebrew_PCBs] Re: Re: Re: Board
Re: [Homebrew_PCBs] Re: What spindles are in use?
2006-01-19 by Stefan Trethan
On Thu, 19 Jan 2006 04:47:30 +0100, glasspusher2001 ... You mean work well to drill with or work well to break them ;-)? I have not had any luck with jacobs
Re: [Homebrew_PCBs] Re: What spindles are in use?
2006-01-19 by Stefan Trethan
On Thu, 19 Jan 2006 02:53:09 +0100, Adam Seychell ... indeed i was. However i m not sure the cheaper spindles are much inferior. The important words are all
Re: [Homebrew_PCBs] Re: What spindles are in use?
2006-01-19 by Leon Heller
... From: glasspusher2001 To: Sent: Thursday, January 19, 2006 3:47 AM Subject: [Homebrew_PCBs]
Re: [Homebrew_PCBs] Re: What spindles are in use?
2006-01-19 by Leon Heller
... From: Richard To: Sent: Wednesday, January 18, 2006 8:04 PM Subject: [Homebrew_PCBs] Re: What
Re: What spindles are in use?
2006-01-19 by glasspusher2001
Do any of the Dremel chucks work well with small drill bits? There is an adjustable one that fits 1/32 to 1/8 tools and a special one that only fits 1/32
Re: [Homebrew_PCBs] Re: What spindles are in use?
2006-01-19 by Adam Seychell
... I think he was referring to the price being much better . The quality is questionable, since I believe you get what you pay for (usually :o). The more
Re: [Homebrew_PCBs] Tinning with plumbers pastes was- Fixing traces... not fun but certainly doable!
2006-01-19 by Kim Currier
Thanks Chris... I will do that... Kim ... From: lcdpublishing To: Sent: Wednesday, January 18, 2006
Re: [Homebrew_PCBs] Re: What spindles are in use?
2006-01-18 by Stefan Trethan
On Wed, 18 Jan 2006 22:47:20 +0100, Adam Seychell ... Most proxxon grinders have a 20mm cylindrical section for clamping, since they also sell drill stands and
Re: [Homebrew_PCBs] Re: What spindles are in use?
2006-01-18 by Adam Seychell
I haven t seen cheapo die grinders you are talking about. The two examples I gave in my earlier post are around $250~$300 AUD. A Dremel kit by comparison is
Re: What spindles are in use?
2006-01-18 by Chris Horne
I like the proxxon collet so much that I use it on my CNC d Seig micro mill. I bought the Chuck nut and a set of collets for just a few pounds and made a shaft
Re: What spindles are in use?
2006-01-18 by Richard
Thanks much for the high-speed spindle answers guys! Stefan, you said the 30eur micromot was much better than the 100eur IB-E ?? In what way? Chris, sorry,
Re: [Homebrew_PCBs] Re: What spindles are in use?
2006-01-18 by Stefan Trethan
I was looking at the small grinders in a tool shop only a few days ago, but they all have pretty bad collets. The Dremel were actually the better ones they
Tinning with plumbers pastes was- Fixing traces... not fun but certainly doable!
2006-01-18 by lcdpublishing
Hi Kim, Pretty easy actually and yes it works good. Apply a thin coat of the plumbers solder past over the board, heat it with a heat gun till the solder
Re: What spindles are in use?
2006-01-18 by Chris Horne
I use a MiniCraft drill, but i can t tell you the model as its over 10 years old and the label wore off ! more recently i am using a home made spindle based on
Re: which drill press?
2006-01-18 by Chris Horne
Hi, It only seems a few days since we had a discussion on drill presses.. It is definitely worth reading back by searching for drill press . The pictures for
Re: [Homebrew_PCBs] Re: What spindles are in use?
2006-01-18 by Adam Seychell
For many years I ve used a Bosch
Re: [Homebrew_PCBs] Re: What spindles are in use?
2006-01-18 by Stefan Trethan
Proxxon IB-E industrial grinder.
Re: [Homebrew_PCBs] Re: Etch tank (was: which drill press?)
2006-01-18 by Stefan Trethan
... Most membrane pumps are all plastic. The bad thing is the moisture will stick the valve washers, so i no longer use closed cycle. ST
Re: [Homebrew_PCBs] Re: which drill press?
2006-01-18 by Stefan Trethan
... Only that the drill doesn t know this. When it enters the board it won t think hey, lets enter a deflection further forwart to compensate for the later
Re: [Homebrew_PCBs] Re: What spindles are in use?
2006-01-18 by Mike Young
RotoZip. 30k rpm, huge cooling fan, 1/8 collet. ... From: Richard
Re: What spindles are in use?
2006-01-18 by Richard
Which small high-speed spindles are in use with this group? Besides Dremel s I mean... Brand, model, cost? Or if shop-made, a brief description would be