Shapeoko 3 18x37mm Drag Chain Brackets (w/ Beaver HDZ Upgrade)
thingiverse
I upgraded my SO3 to a massive SO3 XXL with Beaver's incredible HDZ Z-Axis upgrade and a high-performance water-cooled 2.2kw spindle, necessitating the biggest drag chains I could find that still fit under the X stepper motor on the X axis. The best option is clearly the enormous 18x37mm drag chains available from Amazon and eBay. I required something substantial to accommodate not only standard wiring but also the gigantic spindle cable (16mm+) as well as two water hoses for the spindle. The left-hand bracket fits any standard SO3, while the X-axis bracket is specifically designed for Beaver's HDZ Z-axis upgrade. This setup is an incredible beast that has eliminated z-step losses! The left Y-axis bracket attaches to the X gantry plate using two M4s and nuts, while the X-axis bracket secures behind the HDZ's Z-axis plate with two M4s (30-35mm). Be sure to utilize the included 22mm spacers as shown.
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