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If you are going to mount it on the head anyway; why not just get the right size pneumatic cylinder right off the bat and skip all the hydraulics? I just don't see the advantage of mounting all those...

Whats wrong with extra weight on the head? The Z motor can handle it. I don't think the acceleration in wear is significant. One could argue the extra weight helps with dampening. Rapids would be...

There are three steps to what you want to do.

Computer Aided Design (CAD)
This is drawing out what you want to engrave. You can do this in AutoCAD. You will want to save files as a .dxf There are...

txcncman; thank you for trying but its not quite right. I ended up using the rinse and repeat method.

I tried several raster to vector methods. I'm not convinced they work for photos.

Very clean build. Can't wait to see it when finished.

Is that a CNC'd Craftex 10"x18" in the background? Any chance I could get a few pictures of it?

I think I might glue down some paper and cut it out with a pencil knife, then scan the template. This way I can ensure my "picture" is a straight on view.

I am trying to model this part of my dash. I would like to make an aluminum plate with some engraving and switches to fit in its place. What is the best way to model this?

I have access to AutoCAD...

Here's my little spiel on E-Stops:

I think everyone should have a hard E-Stop for safety reasons. Hit my E-Stop it and it cuts AC power to the drivers, BOB, and motors. We predominantly use...

Since we are (I assume) part of your target market let me say this one thing:

I refuse to even consider buying this because it it uses a proprietary motor/leadscrew. Just a terrible design flaw...

I doubt you bent it but you never know. Any dings would show up visually and can be taken care off with a dremel or other grinding tool (probably too hard for a file).

Machinery's Handbook - 7: Measuring Over Wires

You could also use Cut2D to make the program on an XY plane, then edit the code using notepad. Use find/replace and switch X to Q, then find/replace Z to X, then find/replace Q to Z.

In Mach3 -> Config -> Ports and Pins -> Motor Outputs

You will see a chart with X, Y and Z axis, and the corresponding step and dir pins. If X axis uses pins 2 and 6, and Z axis uses pins 4 and 8,...

I read Mdls as models. He has a "floor" lathe and mill and wants to add bench top models to the arsenal.

I don't understand why. A big machine can do everything a small machine can. Maybe you just...

Why does that table have to be flat? As long as the rails are mounted parallel and on the same plane couldn't you just chuck up a fly cutter and make the table flat yourself once assembled?

Pretty sure an appropriate sized piece of hose and a couple hose clamps would allow you to make a new coupler. Maybe not the same style.

I haven't used fast cut, but parts like this are extremely simple in Cambam.


1. Import drawing

2. Join outside lines to make a profile

3. Click your profile line and do a profile pass, you...

Your Cam program is using points instead of arcs. This is generally not a good practice. Just imagine having to change a corner radius when you are at the machine and don't have CAM available. The...

Ramp in and out or start on a sharp corner to prevent leaving marks if possible. Full depth, low ipm, high RPM, take off 5 thou or whatever. Try some WD40 on that finish pass and it should look good....

You can change the rapid speed in Mach. If you not comfortable with 22 ipm, set it to 10 ipm or whatever. I don't see any reason for hand massaging code for this, even if it is as simple as a find...

I'm with Longrat.

You are probably running the outside as a climb milling operation and the inside as conventional, or vice versa.

The only weight on the spindle is the assembly weight.

Think of a conventional collet system. Tightening the drawbar (moving it up) tightens the collet holding the tool. Loosing and tapping the...

The only weight on the spindle is the assembly weight.

Think of a conventional collet system. Tightening the drawbar (moving it up) tightens the collet holding the tool. Loosing and tapping the...

Is it one of these machines? http://www.lobomachine.com/products_model.asp?cat=CNC&scat=LASER+ENGRAVING+%2F+CUTTING

I think chips will become embedded in latex paint. I would use a spray or roll in bedliner. Something hard and not sticky so its easy to brush away chips.

fgc: It appears you don't have a full understanding of what power is. Power = speed x torque.


Lets say your motor has a speed of 1000 and a torque of 50, its power is 50000.

Gear that down so...

Are you going to use the MPG for roughing, milling, or setup? I use a wireless xbox controller. Its no good for milling but its great for roughing and setting up.
Just another option.

So what if he is doing this to boost sales?

The G540 is a proven design friendly to beginners. When I converted my BF20 I would have used a G540 if I could have found a successful build thread...

Is there a specific gravity test or something else that can be done to know when to add water?

There are a few different size QCTP, 0XA, AXA, BXA, etc I'm not 100% on this but I would think all AXA holders fit all AXA tool posts.

There are lots of websites with information how to grind...