First the BOM...
Here are the items and their part numbers and costs associated as well as where I got them...
Without attendant Sales Taxes that will depend on your location, there may also be suitable subs for a lot of these parts, Walmart, Tractor Supply, Home Depot, Lowes, and a host of other places probably carry similar items, as well as McMaster Carr... Campbell Hausfeld makes similar items. as well as a host of others.
These items were sourced from Harbor Freight Either the Website or the Store
If you want to you could substitute the 3/8" versions of all of these for a few dollars more.
1/4" Water Trap/Filter Regulator Harbor Freight #68228 2 $13.99 $27.98
3/8" Oil Fogger Harbor Freight #68233 1 $10.99 $10.99
1/4" Regulator with Gauge Harbor Freight #68226 1 $9.99 $9.99
5x 1/4" NPT Coupling Harbor Freight # 94770 5 $0.99 $4.95
Tee or Manifold to split Air into 3 Harbor Freight 1 $8.99 $8.99
3' hose whips I used the Hose Remnants from Harbor Freight for $5.49 The Intent is the same 2 $5.99 $11.98
These items came from E-Bay
From the manufacturer/importer/distributor These are THE ones you want. They will plug into the 120VAC aux outs on the CandCNC Controller
Or some others, no need to switch to DC or anything like that. Plug and play, in the CandCNC box M07 activates AUX A, M08 activates AUX B
You could also sub 3/8" versions of these as well if you wish, there is nothing gained by it.
Scribe Circuit
1/4" Inch Pneumatic 3 Way 2 Position Electric Solenoid Air Valve 1 Coil 110V AC 1 $24.99 $24.99 http://www.ebay.com/itm/111108278167?_t ... EBIDX%3AIT
Slide Circuit
1/4" Pneumatic 4 Way 2 Position Electric Solenoid Air Valve Single Coil 110V AC 1 $24.99 $24.99 http://www.ebay.com/itm/121088851621?_t ... EBIDX%3AIT
The Following items Sourced from McMaster Carr
The Connections on my Air Slide use 1/8 BSPT British Standard Pipe Taper...
this is NOT the same taper as NPT, NPT will not fit. You will need to source fittings for YOUR slide.
Push-to-Connect Tube Fitting for Air, Swivel 90 Degree Elbow, 1/4" Tube OD x 1/4 NPT Male 2 $3.42 $6.84
Push-to-Connect Tube Fitting for Air, Extended 90 Degree Elbow, 1/4" Tube OD x 1/4 NPT Male 1 $6.58 $6.58
Choose-A-Color Flexible Nylon Tubing, .180" ID, 1/4" OD, .035" Wall Thickness, Black, 50 ft. Length 1 $22.00 $22.00
Choose-A-Color Flexible Nylon Tubing, .180" ID, 1/4" OD, .035" Wall Thickness, Blue, 25 ft. Length 1 $11.00 $11.00
This item came from E-Bay but pretty much any cylinder that is double acting and long enough stroke to work in your application.
The Slide I used is an SMC They can be had lightly used for around $100 and all the way up to about $450 I've seen similar units for less than $30 and even as low as $5 use at your own peril!
http://stores.ebay.com/JCs-Industrial-C ... 34.c0.m322
20mm bore 100mm stroke air slide (Purchased NOS out of box) 1 $39.99 $39.99
Air Scribe (India) This is available from Amazon SHIPPED at this price,
you could use the chinese variant or the CP Variant... for the additional cost. 1 $49.99 $49.99
The Chinese variant and the CP look identical, the Chinese and the CP can use the same CP branded Tips The Indian one uses Tips Unique to that tool. And they appear to only be available on E-bay from a seller in Hong Kong.. the CP parts are more readily available.
The Chinese Variant is about $80 shipped
The CP is about $270 shipped.
$261.26
Please Excuse the Ghetto Torch mount, That will change as soon as I get my PM65...
My intent here is to show that the same thing that is being sold for around a $1000+ without the scribe, from some vendors can be built for right around $200 without the scribe This is not the ONLY way to do it but it is the way I did it.
I also used a couple salvage Computer power cords to cannibalize for this wired into the solenoids.
I made a mounting plate from some Scrap 18 ga.
![Image](http://i30.photobucket.com/albums/c304/AFSOC/DSC_0726_zpsad2878cf.jpg)
![Image](http://i30.photobucket.com/albums/c304/AFSOC/DSC_0744_zpsd9d10e83.jpg)
So Line Air IN to the Filters/Regulators, 25PSI on First Reg in the Slide Circuit, 10PSI on the second Regulator (DOWN) force on the Slide. 25 UP, 10 DOWN. 25 PSI will retract the ram with enough force to toss a 2# Cast Iron Weight the Piston in the slide is 20mm So that is just SHY of an inch... about 7/8 I think, so you will be applying about 20# of force to the slide with 25PSI...
80PSI on the scribe side, in to the Filter, out to the solenoid In to the Oiler OUT to the Scribe. again keeping oil out of the solenoid.