K40 Manual Z-Table
Description
My K40 laser doesn't have the most square gantry and I've adjusted it as best I can. I found it still deviated about 2mm left-to-right and front-to-back. I took inspiration from how many 3D printers level the build plate and designed this manual Z-Table. This will allow me to make very precise height adjustments at each corner to keep a consistent distance between my lens and work material. I also designed a holder for a Tire Tread Depth Gauge here - https://www.thingiverse.com/thing:4807179 This allows me to set a very precise distance based on the thickness of the material being cut/engraved. This would also allow me to engrave on objects that weren't perfectly flat, taking measurements and adjusting the bed-level. The frame is 3/4" aluminum tube which I got at a home-improvement center. I used 3/8" x 3" long bolts. I've included an SVG file for a corner template what you can use to notch the expanded steel bed and also provides a platform to take leveling measurements.
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