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CO2 Dragster Body Demo 1 is a 1-setup demo program that introduces the basic CNC workflow.  there are 2 programs attached to this demo:

• CO2 DRAGSTER DEMO 1 ROUGHING.nc nc 

  View file
  name CO2 DRAGSTER DEMO1 ROUGHING.txt

• CO2 DRAGSTER DEMO 1 FINISHING.nc,  an optional finishing program that can be run after the roughing program to provide a smooth finish.

  View file
  name CO2 DRAGSTER DEMO 1 FINISHING.txt

• CO2 DRAGSTER DEMO FIXTURE.nc, a program for cutting the fixture plate from a 1/4" piece of MDF or Plywood.

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This fixture above can be made from 0.25 in. thick dimensional lumber, such as a MDF or plywood.

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1. Using a saw, cut the board to width and length.  Mark and drill the holes with a a 1/4 in. drill bit.

2. Use a layout square to locate the center of the board and mark it.  This is X0Y0 location.

3. Attach the board securely to the xsTECH Router table using bolts, washers, and wingnuts.

4. Load the CO2_DRAGSTER_FIXTURE.nc program.

5. Install the 4mm compression cutter, PN 39173 as Tool 1 (T1)

6. Reference, and then set the work offset X0Y0Z0 at the location marked on the board.

• How do I reference the xsTECH Router?

• How do I set X-, Y-, and Z-axis work offsets on the xsTECH Router?

1. Press Cycle Start to run the program and cut the fixture

2. Remove the plate.  Use countersunk wood screws to secure the dragster blank to the plate from the bottom. 

Pay attention to the placement of the screws so they will not interfere when cutting the final design of the dragster body.

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This super glue and masking tape method is a technique that can deliver strong and secure workholding as long as the contact area is relatively large.

1. Prepare the fixture plate from 1/8 in. plywood cut to size.

2. Cover the entire top of the fixture plate with masking tape, taking care to avoid any wrinkles.  Firmly press the tape into the surface by rolling a dowel over the tape repeatedly.  Do the same with the bottom of the dragster blank.

3. Cover both taped surfaces with a generous amount of superglue.  Use a popsicle stick to spread the glue evenly.

4. Carefully align the pieces and press them firmly together for several minutes until the glue has bonded.

C. Method 3: 3D Printed Fixture

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CO2 Dragster Demo 1 can be cut on the xsTECH router in a single setup. There are two programs:

• CO2 Dragster Demo 1 Roughing.nc is the roughing program.

  View file
  name CO2 DRAGSTER DEMO1 ROUGHING.txt

• CO2 Dragster Demo 1 Finishing.nc is an optional tool path for finishing

  View file
  name CO2 DRAGSTER DEMO 1 FINISHING.txt

You can download these programs at the bottom of this article.

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For finishing (optional): T2 is a 2mm carbide ballnose end mill, PN 39171

• How do I use the PathPilot Tool Table?

Set up the tool setter

If you decide the run the finishing program you will want to setup the tool setter to measure the heights of the tools:

• How do I use the electronic tool setter?

Set up the workpiece and fixture

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Install Tool 1 in the spindle.  

• How do I install tools on the xsTECH Router?

Find the work offset (X0Y0Z0)

The work offset for the program is located top back left corner of the stock box.

• How do I set X-, Y-, and Z-axis work offsets on the xsTECH Router?

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Load the demo program and run the program.

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