Newest 3D model Alailable today 5/15/15!
Dish and Fringe available today 5/15/15! with G-code
re-Release with G-code to make these shapes.
Six Scrap pieces of wood cut using the g code offered in the catalog
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CNC-n-signs is committed to your success. We believe our success is solely a result of your success as a new CNC router owner operator or intermediate skilled owner operator CNC router or CNC mill. Our eBooks are designed to give you the most basic forms of knowledge. The basic knowledge that is published in the books are designed to help intermediate and beginner level CNC operators. We take this basic knowledge and turn it into project based G code. This G code is supported with step-by-step instructions. This virtually ensures instant success, and the successes instantly turned into experiences that you enjoy. If you enjoyed the project we hope you return for more projects as a beginner it is important to have some success under your belt. Often times the cad-cam learning process is so frustrating that you may decide to quit or just too complicated. Believe me I know this and I'm a machinists/engineer by trade. Yet the process was so foreign to me and in some ways so simple it was difficult to grasp.
One day after having my machine fully set up and functional. I sat in my garage and decided that this was not going to beat me. I took the first step, and started Mach 3 then I loaded a cad-cam project file, at the time it was the free project roadrunner file a 2D portrait of a roadrunner in motion. That was Mach3 test file at the time; I made a horrible mess of it. My machine was significantly underpowered, 60 ounce inch stepper motors attached to a 1/4 inch 20 TPI thread screw, running on aluminum ways with a plastic bearing LDPE. The problems here are many fold, drag was excessive plastic on aluminum, the motors were too small, and I was trying to run at maximum speed achievable. This created a disaster from the G code.
I ran that file many times only to see the same errors occurring. It was a story in the making all I had to do was figure out how to read the story. The errors seem to occur in almost the same place every time sometimes sooner in the G code than later. The major cause of failure was trying to run the motors too fast, and the motors running in a high heat condition started failing. As I found out later the motors were getting hotter and hotter and they lose power as heat is builds up in the motors. This problem I couldn't correct with the current drivers installed in the machine. The best way to help the situation is to turn off the power immediately after running a file allowing the motors cool down.
The cutting bits were not carbide. When you are using a router by hand the degree of sharp cutter is over come by how hard you push the router into the work piece. Your memory alone will not remember how hard you pushed the router into the work piece last time. A dull cutter bit will overload the power of your cnc router and you will wonder what is wrong. By switching to carbide cutter bits, it took this variable out of the equation. Never underestimate the value of carbide cutter bits in your cnc router.
I like many people, read the directions last. The Mach 3 owner's manual went into this in detail; it is also discussed many times under Web forum. If you don't think you have this problem you ignore it, now I had to actually embrace the idea it existed in my machine. The solution was to slow the motor speed down, I ended up at about 10 inches in minute. This was extremely slow and frustrating but I was able to at this point to finish the project and actually see success.
Cad-cam success comes in small steps, experience is being successful many times. By making this simple change in speed, I was able to become successful and more experienced. Now it is time to start making my own G code, Time to figure out how is this is done and what will it take for me to do this. Fortunately my workplace had AutoCAD which gave me access to a CAD package before I purchased my own. It was this experience plus success again and again lets you grow to the next level, from beginner to intermediate user of CNC. This CAD package would put out DXF. The DXF file could then be processed in Mach 3, add-on Lazycam and create G code to use in my CNC machine. I believe this has been a missing step for many people getting into the Cnc router or plasma cutter hobby/business. If you haven't taking a college class on machine shop theory and practical application, the steps may be hard for you to discover plus leaning on your own.
At this point I am experienced but still a beginner, but believe I may be ready to improve my skills from 2D cad to more advanced 3D CAD-CAM . After looking around and investigating it would take some sort of CAD-CAM package that functioned together. I made the plunge and purchased V-carve Pro a $600.00 investment. In a program that produces 2.5D G-code. Quickly falling in and out of love with the program, my desires were pointing me in the direction of 3D CAD-CAM programs Aspire by the same software maker is the next purchase. Purchased as a standalone product the cost is nearly $2000.00 however I was able to make an upgrade purchase at a discount. Now my Projects have made the jump to 3D.
This is the point that spawned my first e-book "CNC how hard can it Be". Many people believe g-code just a matter of pushing a button. Okay, I confess g-code is a matter of pushing a button after you spent thousands of dollars for software, even then there's a steep learning curve. I give you the basic steps in eBook "CNC how hard can it Be" step-by-step in a learning tree/hierarchy. This is if you are ready to make the steps to purchase the software's. My website however allows you to make these projects without owning the CAD/CAM software, or the process of learning the software, both expensive and time-consuming.