Hi Adam ... Acording to Bungard the etching process of THEIR machines is total uniform - as oposed to the (el cheapo) machine I unfortunately first bought. I...
Chemcut is once again making their tabletop, conveyorized etching / developing system. It has oscillating spray, a rinse station after the process chamber,...
@markus: i think your pump principle is like those medical "silicon hose rotrary pumps". they are used for pumping blood and other liquids. the advantage is...
The term is Peristaltic. "produced by the successive contraction of the muscular fibers of their walls, forcing their contents onwards; as, peristaltic ...
right that therm is for what i thought of... the aquarium pump are really not too strong... i didn't think about that. maximum pumping height only 3 meters.. ...
... Yep, tank refueling is what they are used for. ... Would that not change if a motor is used? The tube could have a dameter of say 1/2" and this would...
but you need to fully compress the hose. otherwise the liquid flows back in the gap left open. would be hard with thick hose to fully compress (and have it...
... in ... A larger tube could be used, and that would offer more volume. means a bigger motor, that may not be a problem. I didn't like compressed air as...
Using larger diameter silicone tubing means it isn't hard to fully collapse the tube for a peristaltic pump. And you always use 3 ball bearing rollers, can't...
What you describe there is a simple membrane pump. thousands sold each year (a lot of them for air pumping). i tried it with a speaker @50hz, speaker diameter...
I have tried to use the natrium persulfate (Na2S2O8) for etching and remember reading somewhere that it can be regenerated. Any pointers where I could find...
Hi I finally could convince myself to buy a steinel heat gun (the good one with lcd and feedback controller markus suggested). It is a good unit and i searched...
Hello Stefan, 01. October 2003, 15:56:05, you wrote: ST> but you need to fully compress the hose. ST> otherwise the liquid flows back in the gap left open. ST>...
On Wed, 1 Oct 2003 21:38:32 +0200, Zoran A. Scepanovic <zasto@...> ... i see.. there are units which can handle the flowrates. (but look at the price..) ...
Na2S2O8 (and other persulfate salts) are produced by electrolysis of almost saturated Na2SO4 + sulfuric acid at low temperatures (~0°C) and very high anode...
... What is the price of the Bungard etching machine ? ... Yep. :) ... If you end up buying the machine please keep the group informed on how well it works. I...
Hi Adam ... The MK2 costs EUR 249 the Turbo EZ is EUR 437 and the Turbo DZ is EUR 550 I haven't made up my mind yet wether I'm going to buy one of those or ...
... they are used for desoldering vacuum pumps (the pistol type with a tip with a hole). (for desoldering about 5cm diameter and 50hz frequency (maybe 100), no...
I wonder if a paint sprayer would work? Problems to solve: - The paint sprayer plumbing and nozzle would have to withstand the etchant. - Air compressors...
From the prices you listed, it seems the MK2 etching system costs about the same as the MD-70RZ pump I'm looking at buying for the spray etcher. To decide if...
Hello to everybody. I am tried to make double slide PCBs without success. I would like to know some way to make it simple and easy, so make the bondings or by...
Hi Adam ... That's exactly the point, and the dilemma is that without trying the MK2 (or which ever of these) it's impossible to tell. ... Yes, I completely...
Check my homepage at http://members.home.nl/bzijlstra for steppermotordrivers. Check Google and look for CNCkit Bye Ben Zijlstra ... From: esp7xx@... ...
