Tevo Tarantula Z Belt

thingiverse

This is how I eliminated Z banding on my print with the Tevo Tarantula. The leadscrew has been replaced by a belt on the Z axis, and it's surprisingly simple to do! To accomplish this project, you'll need some GT2 belt, two 10mm pulleys with M5/16 teeth, and one screw that is M5x30. When the Z motor is turned off, the Z axis might fall down, causing damage to your bed, so it's essential to adjust a few parameters in Marlin and your preferred slicer file. MARLIN: In the configuration_adv.h file, replace this line: define DEFAULT_STEPPER_DEACTIVE_TIME 60 with this one: define DEFAULT_STEPPER_DEACTIVE_TIME 90000. Next, edit the configuration.h file and modify the steps per millimeter and feed rate for the Z motor like this: define DEFAULT_AXIS_STEPS_PER_UNIT {80,80,100,97.0874} // 100 and define DEFAULT_MAX_FEEDRATE {225, 225, 5, 25} // 5 in Repetier/Cura: Disable "deactivate motors after end/urgency stop" under printers parameters. For experts, you can configure the ending G-code to park the Z axis and avoid damaging the bed if there is a power outage during print completion. Here's an example: G90 ; Absolute position G1 X0 Y280 G1 Z 0.5; laydown the head on the bed Print Settings Printer Tevo Tarantula Rafts No Supports No Resolution .2 Infill 40% Notes PLA works fine