Trapezoidal transmission on table CNC engraver

Finished installing the big screw TR8 on desktop CNC engraver http://www.thingiverse.com/thing:1933464. Very pleased with the result: maximum speed - 9000мм/min!!!! (see video) With metric screw M8 stable operation only at 500 mm/min Then plan to install the laser 2 watts - the movement speed allows engraving at a good speed.
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Закончил установку трапецеидального винта TR8 на настольный ЧПУ гравер. Очень доволен результатом