Thread: Parallel ports problems
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What motion controller have you gone for?
..Clive
The more you know, The better you know, How little you know
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11-12-2015 #2
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15-12-2015 #3
Well it's all ok now
Got a motion controller, as many PCI cards for the parallel pore are just jumped up usb cards and as such won't work. I used a uc100 cost a lot, but then I could have had to get several parallel port cards before I found one which worked. Note this will only work with win 7,8. 2000and xp. I went for win 7 (8 is awful) and xp is good but history. The installation puts mach 3 in first then it's own drivers and it has a smart little screen in the plugins section of Mach 3 which enables you to view the port conditions without using the complex diagnostics tab
The e stop and limits worked almost straight away, but at 2am it was time to put out a few zzzz's so today it's all about sorting the motors and spindle drive...then just the splash guards, lamp, coolant pump
This is a windscreen washer pump controlled for speed with a very cheap speed controller from ebay-£6.50 for two! -it works well in test and the flow is very controllable drawing 1-3.5 amps
Final task is just how do I use the thing!
Ps if you want a decent free cad/cam package. Get Fusion 360 from Autodesk. It's a bit of a pain to find the correct website to get the permanent free usage and the tutorials are great. This is upto date full on industrial standard package
Happy milling
pps thanks for all the help and advice guys
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15-12-2015 #4
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15-12-2015 #5
I am echoing Jazz's comment. You can get a submersible pond pump for a few quid and it will run all day and everyday till it wears out.
For instance :-
http://www.ebay.co.uk/itm/Submersibl...oAAOSw-jhT-EOI
Another comment about car washer pumps is that they are high pressure (ish) low volume pumps and the way they are constructed means that any swarf will likely destroy them. Also if you run them dry the rubber vanes inside will fail very quickly. Pond pumps have the advantage that you just chuck 'em in the tank. Anything else needs plumbing.
I have just scrounged a 120mm PC cooling radiator, and that is going in the circuit.
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+ one a simple fish tank pump is more than enough
..Clive
The more you know, The better you know, How little you know
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15-12-2015 #7
Washer pump seems ok with the speed controller, so low flow rate, had it on test for a few hours and no problems. It was still cold, but that was with water, next test is with oil.
Im going to put an intermediate tank with a number of baffles to act as a settlement and swarf trap which then drains into the washer bottle.
time will tell, but it's a cheap option at the moment and I already had all the elements......
thangs guys
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