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authorMichael Krelin <hacker@klever.net>2018-09-04 20:16:04 (UTC)
committer Michael Krelin <hacker@klever.net>2018-09-04 20:16:04 (UTC)
commit1ad17a1b1dc1365e201a6f9d647ec31bda42beb7 (patch) (unidiff)
treefaf83fa869f7797dc9b1ea43b36e666c5c85187b
parent416fff4142cc472af0e4c26a89df0c2e0957b518 (diff)
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Revert "increase default bore_d tolerance"
This reverts commit 183ac2d4948c69d97b5491dcf83fb238d53ac121.
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--another.scad2
1 files changed, 1 insertions, 1 deletions
diff --git a/another.scad b/another.scad
index f3305a1..a25e047 100644
--- a/another.scad
+++ b/another.scad
@@ -12,97 +12,97 @@ module the_extruder(
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 = 1.75*2, // 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=.6,
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 = min(gearbox_d-mount_d,idler_d-idler_clearance*2); // the diameter of lever thingie 92 lsd = min(gearbox_d-mount_d,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;
100 // finger and spring support width 100 // finger and spring support width
101 fsw = gearbox_d-(gearbox_d-mount_d)/2-max(spring_lc,longwing_travel+(gearbox_d-mount_d)/2); 101 fsw = gearbox_d-(gearbox_d-mount_d)/2-max(spring_lc,longwing_travel+(gearbox_d-mount_d)/2);
102 102
103 mount_min_depth = mounthole_min_depth ? mounthole_min_depth : mounthole_depth-1; 103 mount_min_depth = mounthole_min_depth ? mounthole_min_depth : mounthole_depth-1;
104 mount_max_depth = mounthole_max_depth ? mounthole_max_depth : mounthole_depth+1; 104 mount_max_depth = mounthole_max_depth ? mounthole_max_depth : mounthole_depth+1;
105 filament_elevation=protrusion_h+pulley_elevation+teeth_elevation; 105 filament_elevation=protrusion_h+pulley_elevation+teeth_elevation;
106 ls_z = filament_elevation; // leverspace mid-z 106 ls_z = filament_elevation; // leverspace mid-z
107 ls_h = lever_thickness+lever_v_clearance; // leverspace height 107 ls_h = lever_thickness+lever_v_clearance; // leverspace height
108 mount_depth = mount_screw_l - (ls_z+ls_h/2+min_z_shell); 108 mount_depth = mount_screw_l - (ls_z+ls_h/2+min_z_shell);