| -rw-r--r-- | another.scad | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/another.scad b/another.scad index 4f70a1a..79cebdd 100644 --- a/another.scad +++ b/another.scad @@ -78,12 +78,15 @@ module the_extruder( idler_filament_offset = filament_path_d/2; // -filament_offset; lever_shell = mount_screwhead_h+0.5; lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell); lsd = idler_d-idler_clearance*2; longwing=gearbox_d/2+spring_d/2+lsd/2; + shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2)) + sqrt(c*c+pow(a-c,2)); + longwing_travel = idler_travel*longwing/shortwing; h_ = (pulley_d+idler_d)/(2*sqrt(2)); ri = sqrt( pow(h_,2) + pow(mount_d/2-h_,2) ); spring_dl = idler_travel*longwing/ri; mount_min_depth = mounthole_min_depth ? mounthole_min_depth : mounthole_depth-1; mount_max_depth = mounthole_max_depth ? mounthole_max_depth : mounthole_depth+1; @@ -227,13 +230,13 @@ module the_extruder( module body() { difference() { union() { cylinder(d=gearbox_d,h=body_h,$fn=fnd*gearbox_d); // finger and spring support - fsw = gearbox_d-(gearbox_d-mount_d)/2-spring_lc; + fsw = gearbox_d-(gearbox_d-mount_d)/2-max(spring_lc,longwing_travel+(gearbox_d-mount_d)/2); translate([-gearbox_d/2,0,0]) difference() { union() { hull() { translate([0,-longwing,ls_z]) rotate([0,90,0]) cylinder(d=lever_thickness,h=fsw,$fn=fnd*lever_thickness); |