Z-Rod adjustment knob for Printrbot+ Classic
thingiverse
This knob is specifically designed for Z-Rods with a 5/16"-18 thread, enabling you to make accurate manual adjustments. It should work seamlessly on any printer that uses such rods. The instructions for assembling this knob were created using TinkerCad and require two small hose clamps. Do note the thin slot on the hose clamp portion, which ensures secure tightening without breakage. A ten-degree turn of the knob equates to around 40 microns change in height, providing precise control over nozzle height for crucial first layers. The arrows present on the knob indicate the correct direction of turning for adjustments.
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