Introduction: CNC Oak Watch Box
Hey everyone, I'm back with a new project. In this instructable I will go through the steps of making a CNC oak watch box. I became interested in watches over the summer and wanted to make a nice watch box.
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This would make a great gift for any watch collector because most watch boxes either feel really cheap or cost hundreds of dollars. This can be made with $16 of oak hobby board and some hinges. More importantly, because it is made out of solid wood, you can engrave anything you want on it eg. initials, logos, etc.
Step 1: Parts and Tools
Here are the parts and tools that you will need to complete this project:
1x4 inch Oak around 4 feet long
Solid brass hinge and screws (x2) Can be bought at hardware store
Sandpaper – I used random orbit sander with 80 grit, then 220 grit by hand
CNC Router – Can also be made with normal tools
1/4 inch carbide end mill
Laser Cutter – For custom engraving; can also be done on CNC
Step 2: Set Up CNC File
Since I'm using an X-Carve to make this project, I am using easel, which is a simple web-based G-Code sender for the X-Carve.
If your watch is over 40mm, you will have to do some slight redesign in easel to adjust for the larger case size.
Here is the link to the project files through easel: http://easel.inventables.com/projects/2jUBTCCcEyPN...
Step 3: Carve
Clamp down the Oak board to the base of the X-Carve. Try to move the piece when it is clamped down, it should be very steady, if it isn't, tighten the clamps. Now, lower the bit to the surface of the material.
You are now ready for the carve. Press the "carve" button and go through the preparation process that easel walks you through safety and preparation.
Step 4: Some Finishing on the Wood Pieces
This step can be done several ways: you can skip it completely, just do some sanding, or sand and stain it. I decided to just sand it because I wanted the natural look of the oak.
Pictured above are some pictures of marks left behind from the CNC, you will probably want to sand these off.
Step 5: Add Brass Hinges
For this step, I drew a vertical line about an inch and a half away from the edge on each side of the CNC'd parts. It helps if you tape the top and bottom Oak piece so that you can draw the line without the pieces shifting. Make sure that the lines are 90º (perpendicular) to the bottom
Step 6: Laser Engraving (Optional)
This step is completely optional, but I wanted to go further by adding the Rolex coronet logo on the top to give it some style.
lining it up to get the box in the centre of the engraving "box" was only moderately difficult. I centered it by:
1. Using the measurements of the box to create a rectangle in the laser cutting program. Then, use a centre tool in the program to align the box around the logo.
2. Set the power to the lowest operable percentage, on my makerspace's laser, the lowest percentage was 10%. Next, pick a speed that is fast enough that it will still engrave properly without slipping on the X or Y axes.
3. Now, tape a piece of printer paper to the bed of the laser.
4. Run the laser. Since it is paper that you are engraving, be extra careful in terms of fire due to the low density of paper.
5. Now you should have a rectangle on the paper. Keep the paper secured with tape and place the box between the lines of the rectangle engraved on the paper. It should fit perfectly between the lines if you measured the box correctly.
6. Set the height of the laser bed. Since the box height is significantly different than the .1mm height of the paper you will need to adjust to ensure the laser is in focus. Some laser do this automatically, while others don't.
7. Remove the rectangle in the laser software. You should be left with just the logo. Run the laser and hope for the best.
Step 7: Done!
Here are some pictures of the watch box. The first watch has a steel bracelet, while the second has a leather strap. Both of which fit nicely.
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