Belt synchronized Z axis single stepper mod for geeetech i3 ProB
thingiverse
This is belt drive kit for Z axis of Pro B . And makes it a single Z stepper. update: add spool hunger and firament guide. Please look at the picture to assemble. The lower bearing is a little loose. I stuck the aluminum tape there. You have to replace the lead screw with 350mm length. I recommend not a common 4 spiral 8mm feed, but one spiral 2mm feed. *~brace: use M8 threaded rod as brace which leaved after upgrade to lead screws. Other you necessary: 2GT cogged belt 782mm~800mm x1(close end) 694zz bearings x4 M4x30 bolt x2 M4x15 bolt x1 M4 locknut x2 M4 nut x1 M4 washer x6 Φ8 locking ling x2 608zz bearings x4 M3x16mm bolt x8(if you M3 tap lower supports. not tap but drill it, you need 20mm & nut) if you use printed cogged pulleys,(needs M4 tap it) M4 set screw x6 if you use M8x300 thread for brace, M8 nut x8 M8 small washer x8
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