Hictop 3DP17 : belt between the two Z axis for manual mouvement
thingiverse
Upgrade of: https://www.thingiverse.com/thing:2577209 With this upgrade, I can easily and quickly raise or lower the hotend manually. There is no offset between the two Z axes. The belt GT2 is 852mm long (https://fr.aliexpress.com/item/3D-Printer-accessories-Closed-Loop-Rubber-Timing-Belt-2GT-6-Black-160-192-200-400-600/32715186410.html). The two pulleys GT2 have 60 teeth each (https://www.amazon.fr/gp/product/B01MATHPMR/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1). A free pulley is used, which can be purchased at https://fr.aliexpress.com/item/GT2-Pulley-20-Without-Teeth-Pulley-20Teeth-Timing-Gear-Bore-5MM-For-GT2-belt-Width-6MM/32512894329.html. The free pulley is attached to a small aluminum bracket.
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