-rw-r--r-- | another.scad | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/another.scad b/another.scad index 6bb0664..ee7a0ff 100644 --- a/another.scad +++ b/another.scad | |||
@@ -3,97 +3,97 @@ layer_height=0.2; extrusion_width=0.4; | |||
3 | epsilon=0.01; | 3 | epsilon=0.01; |
4 | $fs=0.0125; | 4 | $fs=0.0125; |
5 | 5 | ||
6 | use <pushfittery.scad>; | 6 | use <pushfittery.scad>; |
7 | include <pushfit_data.scad>; | 7 | include <pushfit_data.scad>; |
8 | include <pulley_data.scad>; | 8 | include <pulley_data.scad>; |
9 | 9 | ||
10 | module the_extruder( | 10 | module the_extruder( |
11 | // motor properties | 11 | // motor properties |
12 | gearbox_d = 36, | 12 | gearbox_d = 36, |
13 | mount_d = 28, // the distance between opposite mounting holes | 13 | mount_d = 28, // the distance between opposite mounting holes |
14 | mounthole_depth = 5, | 14 | mounthole_depth = 5, |
15 | mounthole_min_depth = 3, mounthole_max_depth = 4, | 15 | mounthole_min_depth = 3, mounthole_max_depth = 4, |
16 | protrusion_d = 22, protrusion_h = 2.2, // the dimensions of the protrusion on top of gearbox | 16 | protrusion_d = 22, protrusion_h = 2.2, // the dimensions of the protrusion on top of gearbox |
17 | bore_d = 8, bore_l = 17.6, | 17 | bore_d = 8, bore_l = 17.6, |
18 | bore_dd = 7, | 18 | bore_dd = 7, |
19 | // pulley properties | 19 | // pulley properties |
20 | pulley = pulley_e3d, | 20 | pulley = pulley_e3d, |
21 | pulley_elevation = 1, // pulley elevation above the protrusion | 21 | pulley_elevation = 1, // pulley elevation above the protrusion |
22 | // idler properties | 22 | // idler properties |
23 | idler_d = 10, idler_h = 4, idler_id = 3,// idler dimensions: outer and inner diameters and height | 23 | idler_d = 10, idler_h = 4, idler_id = 3,// idler dimensions: outer and inner diameters and height |
24 | // spring properties | 24 | // spring properties |
25 | spring_d = 10, spring_lc = 9.6, // spring diameter and compressed length | 25 | spring_d = 10, spring_lc = 9.6, // spring diameter and compressed length |
26 | // filament path properties | 26 | // filament path properties |
27 | filament_d = 1.75, | 27 | filament_d = 1.75, |
28 | filament_path_d = 2, | 28 | filament_path_d = 2, |
29 | filament_guide_d = 4, // PTFE filament guide diameter | 29 | filament_guide_d = 4, // PTFE filament guide diameter |
30 | // knob properties | 30 | // knob properties |
31 | knob_h = 10, | 31 | knob_h = 10, |
32 | knob_indent_d = 4, | 32 | knob_indent_d = 4, |
33 | knob_indents = 12, | 33 | knob_indents = 12, |
34 | knob_v_clearance = 1, | 34 | knob_v_clearance = 1, |
35 | // spring tensioner | 35 | // spring tensioner |
36 | st_nut_d = 9, st_nut_h = 4, | 36 | st_nut_d = 9, st_nut_h = 4, |
37 | st_screw_d = 5, st_screw_l = 16, | 37 | st_screw_d = 5, st_screw_l = 16, |
38 | st_thickshell = 8*extrusion_width, st_thinshell = 2*extrusion_width, | 38 | st_thickshell = 8*extrusion_width, st_thinshell = 2*extrusion_width, |
39 | st_split_w = 4*extrusion_width, | 39 | st_split_w = 4*extrusion_width, |
40 | 40 | ||
41 | // screw it | 41 | // screw it |
42 | mount_screw_d = 3.1, mount_screw_l = 20, | 42 | mount_screw_d = 3.1, mount_screw_l = 20, |
43 | mount_screwhead_d=6, mount_screwhead_h=3, | 43 | mount_screwhead_d=6, mount_screwhead_h=3, |
44 | idler_screw_d = 3, | 44 | idler_screw_d = 3, |
45 | idler_screwhead_d=6, idler_screwhead_h=3, | 45 | idler_screwhead_d=6, idler_screwhead_h=3, |
46 | 46 | ||
47 | pf = pushfit_metal, | 47 | pf = pushfit_metal, |
48 | pf_shell = max(3*layer_height,3*extrusion_width), | 48 | pf_shell = max(3*layer_height,3*extrusion_width), |
49 | 49 | ||
50 | // empty spaces | 50 | // empty spaces |
51 | idler_travel = 3, // how far should idler travel when pressed | 51 | idler_travel = 1.75*2, // how far should idler travel when pressed |
52 | idler_clearance=.5, | 52 | idler_clearance=.5, |
53 | pulley_small_d_clearance=.5, | 53 | pulley_small_d_clearance=.5, |
54 | lever_v_clearance=.7, // vertical clearance for the lever | 54 | lever_v_clearance=.7, // vertical clearance for the lever |
55 | spring_d_clearance=1, | 55 | spring_d_clearance=1, |
56 | protrusion_tolerance_h=.5, // horizontal tolerance for the motor protrusion | 56 | protrusion_tolerance_h=.5, // horizontal tolerance for the motor protrusion |
57 | protrusion_tolerance_v=.5, // vertical tolerance for the motor protrusion | 57 | protrusion_tolerance_v=.5, // vertical tolerance for the motor protrusion |
58 | mount_screw_d_tolerance=.4, | 58 | mount_screw_d_tolerance=.4, |
59 | idler_v_tolerance=.5, | 59 | idler_v_tolerance=.5, |
60 | knob_bore_d_tolerance=.8, | 60 | knob_bore_d_tolerance=.8, |
61 | st_nut_h_tolerance=.2, | 61 | st_nut_h_tolerance=.2, |
62 | st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */ | 62 | st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */ |
63 | st_screw_d_tolerance=.5, | 63 | st_screw_d_tolerance=.5, |
64 | st_split_w_tolerance = .3, | 64 | st_split_w_tolerance = .3, |
65 | 65 | ||
66 | min_z_shell = 4*layer_height, // the very minimal shell thickness along z-axis. | 66 | min_z_shell = 4*layer_height, // the very minimal shell thickness along z-axis. |
67 | min_xy_shell = 2*extrusion_width, | 67 | min_xy_shell = 2*extrusion_width, |
68 | 68 | ||
69 | body_label = "another", body_label_thickness = layer_height, | 69 | body_label = "another", body_label_thickness = layer_height, |
70 | knob_label = "another", knob_label_thickness = 2*layer_height, knob_label_size=undef, | 70 | knob_label = "another", knob_label_thickness = 2*layer_height, knob_label_size=undef, |
71 | 71 | ||
72 | what="lever", // lever|body|knob|springpad|* | 72 | what="lever", // lever|body|knob|springpad|* |
73 | left=false, | 73 | left=false, |
74 | vitamins = true, | 74 | vitamins = true, |
75 | bridges = true, | 75 | bridges = true, |
76 | debug = false, | 76 | debug = false, |
77 | ) { | 77 | ) { |
78 | fnd = 2*PI; fnr = 2*fnd; | 78 | fnd = 2*PI; fnr = 2*fnd; |
79 | function lu(m,k) = m[search([k],m)[0]][1]; | 79 | function lu(m,k) = m[search([k],m)[0]][1]; |
80 | 80 | ||
81 | pulley_d = lu(pulley,"d"); | 81 | pulley_d = lu(pulley,"d"); |
82 | pulley_h = lu(pulley,"h"); | 82 | pulley_h = lu(pulley,"h"); |
83 | teeth_elevation = lu(pulley,"fe"); | 83 | teeth_elevation = lu(pulley,"fe"); |
84 | filament_offset = lu(pulley,"g")+filament_d/2; | 84 | filament_offset = lu(pulley,"g")+filament_d/2; |
85 | pulley_d_clearance = lu(pulley,"ssrc")*2; | 85 | pulley_d_clearance = lu(pulley,"ssrc")*2; |
86 | 86 | ||
87 | sp_ch = st_split_w; | 87 | sp_ch = st_split_w; |
88 | 88 | ||
89 | idler_filament_offset = filament_path_d/2; | 89 | idler_filament_offset = filament_path_d/2; |
90 | lever_shell = mount_screwhead_h+0.5; | 90 | lever_shell = mount_screwhead_h+0.5; |
91 | lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell); | 91 | lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell); |
92 | lsd = idler_d-idler_clearance*2; // the diameter of lever thingie | 92 | lsd = idler_d-idler_clearance*2; // the diameter of lever thingie |
93 | longwing=(mount_d+mount_screw_d+mount_screw_d_tolerance+spring_d+spring_d_clearance)/2+min_xy_shell; | 93 | longwing=(mount_d+mount_screw_d+mount_screw_d_tolerance+spring_d+spring_d_clearance)/2+min_xy_shell; |
94 | shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2)) | 94 | shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2)) |
95 | sqrt(c*c+pow(a-c,2)); | 95 | sqrt(c*c+pow(a-c,2)); |
96 | longwing_travel = idler_travel*longwing/shortwing; | 96 | longwing_travel = idler_travel*longwing/shortwing; |
97 | h_ = (pulley_d+idler_d)/(2*sqrt(2)); | 97 | h_ = (pulley_d+idler_d)/(2*sqrt(2)); |
98 | ri = sqrt( pow(h_,2) + pow(mount_d/2-h_,2) ); | 98 | ri = sqrt( pow(h_,2) + pow(mount_d/2-h_,2) ); |
99 | spring_dl = idler_travel*longwing/ri; | 99 | spring_dl = idler_travel*longwing/ri; |