pnneumatic axe robots

**Bodge Job** · 28th October 2011, 09:41

Whats the conventional use of them?

**maddox10** · 28th October 2011, 14:29

Woody uses those as piloted (air steered) 3/2 valves with high flow capacity, to get the pressured gas in the ram at high rate. In the Industry, conventional use of the QEV is to get the gas out at a high rate. As the restriction we have in our robots ain't there.
Valves are big enough for the desired flowrate.

**Bodge Job** · 28th October 2011, 15:54

So are you saying, that if I use a decent solenoid valve, useing one won't make a difference?

**maddox10** · 28th October 2011, 16:32

Large enough, then it won't make a difference, but a 1/4bsp foot QEV is the equivalent of a 1/2 bsp solenoid valve.

I know what is lighter, cheaper and smaller.

**Bodge Job** · 15th April 2012, 23:50

Im looking for a regulator, and don't think Trevor makes them any more, so i was wondering if i could use a paint-ball one? i cant find any co2 ones, but would an air regulator do, or just freeze up? this is an example of what im talking about but it has the wrong fittings, so i would probably use a different one. http://www.ebay.com/itm/NEW-PAINTBALL-C ... 3321wt_968

sorry to re open the old thread, but it is quiet relevant to it.

**maddox10** · 16th April 2012, 00:20

In theory it should work.

And there ain't no wrong fitting there. It just ain't ment for an industrial CO2 bottle, but for paintball use.

We, Team RCC, use standard paintball bottles. Lighter, smaller and easier to buy. We have our own filling rig, and at events we use that , meaning we can refill our bottles as anybody else.

**Bodge Job** · 16th April 2012, 13:24

ok thanks, I was going to use paint-ball bottles, but I cant find the correct fitting to transfer from the paint-ball pin-valves to a BSPT or BSP type joint http://www.technobotsonline.com/pneumat ... -stud.html
I don't think i can by a straight conversion, but i cant even find a pin-valve part that I could use. any one know where i can get one? or will I have to butcher a filling station? :P

**maddox10** · 16th April 2012, 13:57

I guess it's possible to adapt such a regulator with any exit connector. This one is just ment as plug and play between bottle and marker. We're not that restricted.

Also, pin valves need an external on/off valve to adhere to the rules. Easier and lighter to replace the pinvalve immediatly with an on/off valve

**Bodge Job** · 16th April 2012, 14:15

we were going to replace the valve on the bottle with this http://www.ebay.com/itm/NEW-PAINTBALL-C ... 2255wt_968
but the valve screws in to the reg, but I think the regulator has a pin-valve out put, or the tread off a pin-valve and i need to find a fitting to go between the regulator and the rest of the co2 fittings.