K40 Laser Drag Chain For Air Assist
thingiverse
The end pieces that secure the chain hold it above the cutting path regardless of where you are cutting. I print at 100% infill for added strength. Everything was printed in PLA. Print Requirements: 1 Stationary End Piece 1 Moving End Piece 1 Angle Bracket 4 Nuts 4 Bolts ~ 25 Links You will need a drill to attach the Stationary End Piece to the back of the K40 machine. Be careful not to damage your tube when punching a hole in the steel. Attaching it with double-sided tape may work, but I wanted a more secure hold. Multiple colors are visible in my pictures, but everything was printed in PLA. Before installing the chain, I exercised it by moving it back and forth in my hands for several minutes to smooth out any rough spots from the print. This really helped improve its movement. If you need to make changes, download DragChainEntire.rsdoc and edit it using DesignSpark Mechanical. It's free and suitable for beginners.
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