-rw-r--r-- | another.scad | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/another.scad b/another.scad index 51358ee..eea918b 100644 --- a/another.scad +++ b/another.scad | |||
@@ -61,49 +61,50 @@ module the_extruder( | |||
61 | knob_bore_d_tolerance=.6, | 61 | knob_bore_d_tolerance=.6, |
62 | st_nut_h_tolerance=.2, | 62 | st_nut_h_tolerance=.2, |
63 | st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */ | 63 | st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */ |
64 | st_screw_d_tolerance=.5, | 64 | st_screw_d_tolerance=.5, |
65 | st_split_w_tolerance = .3, | 65 | st_split_w_tolerance = .3, |
66 | 66 | ||
67 | min_z_shell = 4*layer_height, // the very minimal shell thickness along z-axis. | 67 | min_z_shell = 4*layer_height, // the very minimal shell thickness along z-axis. |
68 | min_xy_shell = 2*extrusion_width, | 68 | min_xy_shell = 2*extrusion_width, |
69 | 69 | ||
70 | what="lever", // lever|body|knob|springpad|* | 70 | what="lever", // lever|body|knob|springpad|* |
71 | left=false, | 71 | left=false, |
72 | vitamins = true, | 72 | vitamins = true, |
73 | bridges = true, | 73 | bridges = true, |
74 | debug = false, | 74 | debug = false, |
75 | label = "another" | 75 | label = "another" |
76 | ) { | 76 | ) { |
77 | fnd = 2*PI; fnr = 2*fnd; | 77 | fnd = 2*PI; fnr = 2*fnd; |
78 | function lu(m,k) = m[search([k],m)[0]][1]; | 78 | function lu(m,k) = m[search([k],m)[0]][1]; |
79 | 79 | ||
80 | pulley_d = lu(pulley,"d"); | 80 | pulley_d = lu(pulley,"d"); |
81 | pulley_h = lu(pulley,"h"); | 81 | pulley_h = lu(pulley,"h"); |
82 | teeth_elevation = lu(pulley,"fe"); | 82 | teeth_elevation = lu(pulley,"fe"); |
83 | filament_offset = lu(pulley,"g")+filament_d/2; | 83 | filament_offset = lu(pulley,"g")+filament_d/2; |
84 | pulley_d_clearance = lu(pulley,"ssrc")*2; | 84 | pulley_d_clearance = lu(pulley,"ssrc")*2; |
85 | idler_filament_offset = filament_path_d/2; // -filament_offset; | 85 | |
86 | idler_filament_offset = filament_path_d/2; | ||
86 | lever_shell = mount_screwhead_h+0.5; | 87 | lever_shell = mount_screwhead_h+0.5; |
87 | lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell); | 88 | lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell); |
88 | lsd = idler_d-idler_clearance*2; // the diameter of lever thingie | 89 | lsd = idler_d-idler_clearance*2; // the diameter of lever thingie |
89 | longwing=(mount_d+mount_screw_d+mount_screw_d_tolerance+spring_d+spring_d_clearance)/2+min_xy_shell; | 90 | longwing=(mount_d+mount_screw_d+mount_screw_d_tolerance+spring_d+spring_d_clearance)/2+min_xy_shell; |
90 | shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2)) | 91 | shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2)) |
91 | sqrt(c*c+pow(a-c,2)); | 92 | sqrt(c*c+pow(a-c,2)); |
92 | longwing_travel = idler_travel*longwing/shortwing; | 93 | longwing_travel = idler_travel*longwing/shortwing; |
93 | h_ = (pulley_d+idler_d)/(2*sqrt(2)); | 94 | h_ = (pulley_d+idler_d)/(2*sqrt(2)); |
94 | ri = sqrt( pow(h_,2) + pow(mount_d/2-h_,2) ); | 95 | ri = sqrt( pow(h_,2) + pow(mount_d/2-h_,2) ); |
95 | spring_dl = idler_travel*longwing/ri; | 96 | spring_dl = idler_travel*longwing/ri; |
96 | // finger and spring support | 97 | // finger and spring support |
97 | fsw = gearbox_d-(gearbox_d-mount_d)/2-max(spring_lc,longwing_travel+(gearbox_d-mount_d)/2); | 98 | fsw = gearbox_d-(gearbox_d-mount_d)/2-max(spring_lc,longwing_travel+(gearbox_d-mount_d)/2); |
98 | 99 | ||
99 | mount_min_depth = mounthole_min_depth ? mounthole_min_depth : mounthole_depth-1; | 100 | mount_min_depth = mounthole_min_depth ? mounthole_min_depth : mounthole_depth-1; |
100 | mount_max_depth = mounthole_max_depth ? mounthole_max_depth : mounthole_depth+1; | 101 | mount_max_depth = mounthole_max_depth ? mounthole_max_depth : mounthole_depth+1; |
101 | filament_elevation=protrusion_h+pulley_elevation+teeth_elevation; | 102 | filament_elevation=protrusion_h+pulley_elevation+teeth_elevation; |
102 | ls_z = filament_elevation; // leverspace mid-z | 103 | ls_z = filament_elevation; // leverspace mid-z |
103 | ls_h = lever_thickness+lever_v_clearance; // leverspace height | 104 | ls_h = lever_thickness+lever_v_clearance; // leverspace height |
104 | mount_depth = mount_screw_l - (ls_z+ls_h/2+min_z_shell); | 105 | mount_depth = mount_screw_l - (ls_z+ls_h/2+min_z_shell); |
105 | body_h = max(protrusion_h+bore_l,mount_screw_l-mount_depth+mount_screwhead_h+min_z_shell,ls_z*2); | 106 | body_h = max(protrusion_h+bore_l,mount_screw_l-mount_depth+mount_screwhead_h+min_z_shell,ls_z*2); |
106 | echo("mount depth",mount_depth); | 107 | echo("mount depth",mount_depth); |
107 | 108 | ||
108 | module teardrop(r,d,h,center=false,angle=45) { | 109 | module teardrop(r,d,h,center=false,angle=45) { |
109 | dd = d ? d : (2*r); | 110 | dd = d ? d : (2*r); |