SIGMA - ozgur's 3D printed mini hobbing machine

This is a compact printable hobbing tool for making hobbed M8 bolts.
M4 taper is also guided by end bearings to increase sensitivity by fixing taper axis and prevent fatigue stress on the taper. Also the deepness of the teeth can be adjustable by screws.

Bom is as follows:
604 bearing 1 pcs
608 bearing 2 pcs
605 bearing 2 pcs (option1)
MR105 bearing 2 pcs (option2)
m4 HSS taper 1 pcs
12v gear motor 1 pcs
m3x25 bolt 2 pcs
m3x40 bolt 2 pcs
m3 nut 2 pcs
m4 square nut 4 pc