1) Download the latest version of Snapmakerjs at https://forum.snapmaker.com/t/downloads-and-updates/158
2) Connect the computer to the machine using the provided USB cable.
3) In the (Workspace) > Connection, click and select the Port connected to the machine and click Open.
Note: If you cannot find any port to connect to and your computer uses the latest Mac OS Sierra, please download and install the driver at snapmaker.com/download.
4) In the left column, click (CNC G-code Generator).
5) Click Upload Image and select the image you want to carve.
6) Select a carving tool from Caving V-Bit, Flat End Mill, Ball End Mill, or Use Other Bit according to the carving tool you use.
Parameters of the Caving V-Bit, Flat End Mill, and Ball End Mill are preset, and you do not need to configure extra parameters. If you select Use Other Bit, set the parameters according to the explanations in the software.
7) Set the Carving Path according to the instructions in the software.
8) Click Preview to see the rendered image.
9) Set the Jog Speed, Work Speed, Plunge Speed according to the instructions in the software and click Generate G-code.
10) Follow article 5 to set the work origin before you start CNC carving.
Generate G-code Using Fusion 360
This instruction teaches you how to carve an “S” on a 2mm carbon fiber sheet. After you get familiar with all the settings, you can design your own inventions. For more details, please visit https://knowledge.autodesk.com/support/fusion-360
Step 1. Get the Software Ready
Install the software and save the configuration files according to the following steps:
1) Download Fusion 360 at https://www.autodesk.com/products/fusion-360/students-teachers-educators. This software is available for Windows and Mac. Since the configuration for both systems is similar, here in this instruction, we take steps in Windows as an example.
2) Install Fusion 360.
3) To generate a G-code that Snapmakerjs can process, download the configuration file (addressed as personal post in Fusion 360) on our website (www.snapmaker.com/download) and put the file in Fusion 360 according to the instructions at https://knowledge.autodesk.com/support/hsm/learn-explore/caas/sfdcarticles/sfdcarticles/How-to-add-a-Post-Processor-to-your-Personal-Posts-in-Fusion-360.html
4) Download the CNC tool file on our website (www.snapmaker.com/download).
Step 2. Design the Model You Want to Carve
Here we will design a model with the shape of the letter “S” to guide you through the steps.
1) In Fusion 360, select Model as the Workspace.
2) Select Sketch > Text and you can design a model with texts.
3) Select a plane to input the text.
4) Click the (0, 0) coordinate to specify the text position and enter the details of the text. In this example, we enter S in the Text field, 40.00 mm in the Height field and keep the others as default. Click OK.
5) Click on the text to select it.
6) Select Modify > Press Pull, and enter 2.00 mm in the Distance field. Click OK.
Step 3. Generate Tool-Path Strategies
1) Change the Workspace to CAM.
2) Select Setup > New Setup. Keep the default settings in the Setup dialogue box and click OK.
3) Select 2D > 2D Contour. In the 3D Contour dialogue box, click Select...
4) Unfold Local, right-click Library and select Import Tool Library. Find the tool file you downloaded in Step 1. Get the Software Ready step 4, and import it.
5) Select the following tool and click OK. We need to cut through the material in this example, so the Flat End Mill and the Flat end tool are used. When you need to engrave something, use the Carving V-Bit and the spot drill tool. If you want the engraved surface to be smooth, use the Ball End Mill and the ball end mill tool.
6) Select Geometry, and select the edge, the back of the model, the machine will carve.
7) To prevent the material from moving when the carving is almost done, enable Tabs, and enter the following parameters
8) Select Heights, enter -0.5 mm in the Offset field in the Bottom Height section.
9) Select Passes, enable Multiple Depths, and click OK.
10) Select the setup you just created (in this example, it is Setup1). Click Actions > Simulate.
Then you can click the button to preview the toolpaths.
Step 4. Generate G-code
1) Select Actions > Post Process.
2) Copy the folder path (configured in Get the Software Ready) where the snapmaker.cps is located to Configuration Folder. Select a folder in Output folder where your G-code is saved. Click Post.
3) Change the G-code name as you need, and save the G-code.
4) Follow article 5 to set the work origin before you start CNC carving.
Set the Work Origin Using Snapmakerjs
This step ensures that the machine carves on the area you want. Wear the CNC Safety Glasses before you begin.
Caution: If you need to cut through the material, a spoilboard (a 3mm wooden board for example) must be put under the material. If no spoilboard is used, the CNC bit and the Engraving & Carving Platform will be damaged.
1) Download Snapmakerjs at snapmaker.com/download
2) Connect the computer to the machine using the provided USB Cable. Connect the power adapter and power on the machine.
3) In Snapmakerjs, go to (Workspace) > Connection, click the button and click Open.
4) Click Upload G-code and select the G-code you generated.
5) In the Axes section, use Z-/Z+ to adjust the distance between the CNC bit and the surface of the material until the CNC bit will not run into the fixtures.
Note: Use the following buttons in the last row to set how far the head goes every time you click X-/X+/Y-/Y+/Z-/Z+. The smaller value helps you set the distance more precisely. If you select 0.1, the head moves to the left for 0.1 mm when you click X-.
6) Evaluate where the carving will be on the material. Use X-/X+/Y-/Y+ to move the CNC bit to where the work origin will be. The work origin corresponds to the (0, 0) coordinate in the software. Click Set Origin.
7) Click Run Boundary to see the boundary of the carving. If part of the boundary runs beyond the material or the CNC bit may run into the fixtures when it is lowered, follow step 6 to set the work origin again.
8) Follow the next instruction to start CNC carving.
Lower the CNC Bit and Choose a Way to Carve
1) Double evaluate the position of the carving. When you are sure the CNC bit will not run into the fixtures, click Z- to lower the CNC bit. Stop when the tip of the CNC bit is about 5 mm away from the material.
2) Put one half of an A4 paper between the material and the CNC bit.
3) Adjust the distance between the material and the CNC bit using the Z- and Z+ button. Keep adjusting until there is slight resistance on the paper from the CNC bit.
Tips: Pull the paper and feel the resistance while you adjust the distance.
4) Click Set Origin and then Run Boundary. If part of the boundary runs beyond the material or the CNC bit runs into the fixtures, use X-/X+/Y-/Y+ to adjust the work origin. The work origin corresponds to the (0, 0) coordinate in the software. Click Set Origin.
Caution: If the CNC bit runs into a fixture, power off the machine immediately and check if the CNC bit is damaged. Change the CNC bit if it is damaged.
5) Choose a way to start carving:Option 1: Using the Computer (The computer must be connected to the machine throughout the process.)
A. Click to start carving.
Caution: If you need to stop carving during the working process, click and . Please use Z+ button in the Axes area to head up the CNC bit before you remove the material.
Option 2: Using the microSD Card (No need to connect your computer to the machine.)
A. Copy the G-code you generated in Generate G-code Using Fusion 360 into the provided microSD Card.
B. In (Workspace) > Connection, click Close and unplug the USB Cable between the computer and the machine.
C. Insert the USB Disk into the Controller.
D. On the Touch Screen, go to Files, find and select the G-code (.cnc) file. Then tap Start to start carving.