Orca v.2 40mm print fan mount
Description
Mount for an 40mm cooling fan. Fits on an Orca v 0.2 with V9 Hotend. Improves print quality, especially when printing thin walled objects. The mount is designed for a 40mm fan with 4mm holes and a hole spacing of 32mm. Consist of: - a fan mount, - a funnel to guide the air directly below the hotend nozzle - a fan grill to protect the fan Without the funnel the fan will blow to much air against the hotend, so that it may fail to reach more than 205 °C, with the funnel it may still be necessary to raise the hotend temperature by 3-5°C. (I use 213°C for PLA). A higher heatbed voltage may also be necessary. (I use 19 V for PLA) I'm not entirely happy with the funnel geometry, comments/suggestions are appreciated. Fan grill created with "Parametric fan grille": http://www.thingiverse.com/thing:11906 With parameters: hole_spacing = 32; hole_size = 4.5; outer_size = 40; corner_cut_radius = 27; outer_circle_diameter = 38.20; inner_circle_diameter = 15; outer_thickness = 3; inner_thickness = 2; vane_count = 8; vane_width = 0.5; ring_count = 3; ring_width = 0.5;
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