forked from tobbelobb/hangprinter
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Nema17_and_Ramps_and_bearings.scad
306 lines (288 loc) · 8.73 KB
/
Nema17_and_Ramps_and_bearings.scad
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
include <design_numbers.scad>
include <measured_numbers.scad>
use <util.scad>
module Nema17_screw_translate(corners){
for (i=[0:90:90*corners - 1]){
rotate([0,0,i+45]) translate([Nema17_screw_hole_width/2,0,0]) children(0);
}
}
module Nema17_screw_holes(d, h, corners=4){
Nema17_screw_translate(corners) cylinder(r=d/2,h=h);
}
//Nema17_screw_holes(M3_diameter, 15);
module Nema17_schwung_screw_holes(d, h, schwung_length, corners=3){
// Tight/still screw
rotate([0,0,-45])
translate([Nema17_screw_hole_width/2,0,0]) cylinder(r=d/2, h=h);
// Nearest screw in y-direction
rotate([0,0,-45])
translate([Nema17_screw_hole_width/2,0,0])
rotate([0,0,90+45])
cyl_wall_2(d,Nema17_screw_hole_dist+d/2, h,30);
// Nearest screw in x-direction
// Removed because it is under worm disc
// rotate([0,0,-45])
// translate([Nema17_screw_hole_width/2,0,0])
// rotate([0,0,2*90+45])
// cyl_wall_2(d,Nema17_screw_hole_dist+d/2, h,30);
// diametral opposite screw
rotate([0,0,-45])
translate([Nema17_screw_hole_width/2,0,0])
rotate([0,0,2*90])
cyl_wall_2(d,Nema17_screw_hole_width+d/2, h,schwung_length);
//color("green"){
// rotate([0,0,45])
// translate([Nema17_screw_hole_width/2,0,0]) cylinder(r=d/2, h=h);
// rotate([0,0,90+90+45])
// translate([Nema17_screw_hole_width/2,0,0]) cylinder(r=d/2, h=h);
// rotate([0,0,45+90])
// translate([Nema17_screw_hole_width/2,0,0]) cylinder(r=d/2, h=h);
//}
}
//Nema17_schwung_screw_holes(M3_diameter, Big);
module Nema17(){
cw = Nema17_cube_width;
ch = Nema17_cube_height;
sh = Nema17_shaft_height;
union(){
color("black")
difference(){
translate([-(cw-0.1)/2,-(cw-0.1)/2,1]) cube([cw-0.1,cw-0.1,ch-2]);
for (i=[0:90:359]){ // Corner cuts black cube
rotate([0,0,i+45]) translate([50.36/2,-cw/2,-1]) cube([cw,cw,ch+2]);
}
}
color("silver")
difference(){
translate([-cw/2,-cw/2,0]) cube([cw,cw,ch]);
for (i=[0:90:359]){ // Corner cuts silver cube
rotate([0,0,i+45]) translate([53.36/2,-cw/2,-1]) cube([cw,cw,ch+2]);
}
translate([0,0,ch-5]) Nema17_screw_holes(M3_diameter, h=10);
translate([0,0,-5]) Nema17_screw_holes(M3_diameter, h=10);
translate([-cw,-cw,9]) cube([2*cw,2*cw,ch-18]);
}
color("silver")
difference(){
cylinder(r=Nema17_ring_diameter/2, h=ch+Nema17_ring_height);
translate([0,0,1]) cylinder(r=8.76/2, h=ch+Nema17_ring_height);
}
color("silver")
cylinder(r=5/2, h=sh); // Shaft...
}
}
//Nema17();
//translate([0,0,-Nema17_cube_height]) Nema17();
//%Nema17_damping_plate();
module Nema17_damping_plate(){
cw = Nema17_cube_width;
rh = Nema17_ring_height+0.5;
difference(){
translate([-cw/2,-cw/2,0])
cube([cw,cw,rh]);
translate([0,0,-1])
Nema17_screw_holes(M3_diameter+0.2, h=rh+2);
cylinder(r=Nema17_ring_diameter/2+0.5, h=2*rh+2, center=true);
for(i=[45:90:359])
rotate([0,0,i])
translate([53.36/2,-cw/2,-1])
cube([cw,cw,rh+2]);
}
}
//Nema17_damping_plate();
module Ramps(){
color("tomato")
cube([Ramps_length, Ramps_width, Ramps_depth]);
}
//Ramps();
module Ramps_holder(){
floor_th = 1;
edge_height = 3;
solders_height = 5;
extra_height = edge_height+solders_height;
wall_th = 2;
edge = 1;
difference(){
union(){
// Main outer cube
difference(){
cube([Ramps_length, Ramps_depth+2*wall_th, Ramps_width+extra_height+floor_th]);
// Fit Ramps straight in
translate([-1,wall_th,floor_th])
cube([Ramps_length+2, Ramps_depth, Ramps_width+floor_th+extra_height+1]);
}
// Add edges
translate([0,-edge,floor_th+Ramps_width+solders_height])
cube([Ramps_length,wall_th+2*edge,edge_height]);
translate([0,Ramps_depth+wall_th-edge,floor_th+Ramps_width+solders_height])
cube([Ramps_length,wall_th+2*edge,edge_height]);
}
// Cut away parts of wall
translate([-1,-edge-1,floor_th])
cube([Ramps_length/5+1, Ramps_depth+2*edge+2*wall_th+2, Ramps_width+extra_height+1]);
translate([2*Ramps_length/5,-edge-1,floor_th])
cube([Ramps_length/5, Ramps_depth+2*edge+2*wall_th+2, Ramps_width+extra_height+1]);
translate([4*Ramps_length/5,-edge-1,floor_th])
cube([Ramps_length/5+1, Ramps_depth+2*edge+2*wall_th+2, Ramps_width+extra_height+1]);
// Straight Nema17 screw holes
for(i=[0:9]){
translate([0.5*Nema17_screw_hole_dist + 6
+i*Nema17_screw_hole_dist/5,
Ramps_depth/2+wall_th,
-1]){
Nema17_screw_holes(M3_diameter,10);
translate([0,10,0])
Nema17_screw_holes(M3_diameter,10);
translate([0,-10,0])
Nema17_screw_holes(M3_diameter,10);
}
}
// rotate([0,0,45])
// Nema17_screw_holes(M3_diameter,10);
}
}
//Ramps_holder();
// TODO: motors are rotated 45 deg compared to this
module Fancy_Ramps_holder(){
th = 1.5;
bones = 2;
push_y = 16;
// A cross used for a Nema17 mount later
module cross(){
rotate([0,0,0])
polygon([for (i=[0:2:359.9])
9*[cos(i), sin(i)]
+ 17*pow(sin(4/2*i),4)*[cos(i),sin(i)]]);
}
module bones_place(){
rotate([0,0,B_placement_angle])
translate([0,
Four_point_five_point_radius,
-Nema17_cube_height-bones])
rotate([0,0,45])
Nema17_screw_translate(3)
children(0);
rotate([0,0,A_placement_angle])
translate([0,
Four_point_five_point_radius,
-Nema17_cube_height-bones])
rotate([0,0,45])
rotate([0,0,180])
Nema17_screw_translate(3)
children(0);
}
difference(){
union(){
bones_place()
cylinder(d=7, h=bones+th);
for(i=[B_placement_angle, A_placement_angle])
rotate([0,0,i])
translate([0,
Four_point_five_point_radius,
-Nema17_cube_height-bones])
rotate([0,0,45]){
linear_extrude(height=th, convexity=6)
cross();
}
// Naming corners in this fancy polygon...
a = -20.6;
d = 28.75;
e = 10.3;
j = 6;
translate([-Ramps_length/2,16,-Nema17_cube_height-bones])
linear_extrude(height=th, convexity=10)
polygon([[-a,-j],
[-a,0],
[Ramps_length+a,0],
[Ramps_length+a, -j],
[Ramps_length+d, e],
[Ramps_length, Ramps_depth],
[0, Ramps_depth],
[-d, e]
]);
} // end union
bones_place()
translate([0,0,-bones])
cylinder(d=3.2,h=3*bones);
translate([-Ramps_length/2,16,-Nema17_cube_height-bones])
// Straight Nema17 screw holes
for(i=[0:8]){
translate([0.5*Nema17_screw_hole_dist + 6
+i*Nema17_screw_hole_dist/4,
Ramps_depth/2,
-1]){
Nema17_screw_holes(M3_diameter,10);
translate([0,9,0])
Nema17_screw_holes(M3_diameter,10);
translate([0,-9,0])
Nema17_screw_holes(M3_diameter,10);
}
}
}
}
Fancy_Ramps_holder();
module Bearing_623(){
color("blue")
difference(){
cylinder(r=Bearing_623_outer_diameter/2, h=Bearing_623_width);
translate([0,0,-1])
cylinder(r=Bearing_623_bore_diameter/2, h=Bearing_623_width+2);
}
}
//Bearing_623();
module Bearing_607(){
color("blue")
difference(){
cylinder(r=Bearing_607_outer_diameter/2, h=Bearing_607_width);
translate([0,0,-1])
cylinder(r=Bearing_607_bore_diameter/2, h=Bearing_607_width+2);
}
}
//Bearing_607();
module Bearing_608(){
color("blue")
difference(){
cylinder(r=Bearing_608_outer_diameter/2, h=Bearing_608_width);
translate([0,0,-1])
cylinder(r=Bearing_608_bore_diameter/2, h=Bearing_608_width+2);
}
}
//Bearing_608();
module Bearing_623_vgroove(){
bd = Bearing_623_vgroove_big_diameter; // Big diameter
sd = Bearing_623_vgroove_small_diameter; // Small diameter
h1 = Bearing_623_width; // Totoal height
h2 = Bearing_623_vgroove_width;
h_edge = (h1-h2)/2;
big = 100;
difference(){
for(k = [0,1]){
translate([0,0,h1*k]){
mirror([0,0,k]){
// Edge
cylinder(r=bd/2, h=h_edge);
// Half the groove
translate([0,0,h_edge])
cylinder(r1=bd/2, r2=sd/2, h=h2/2);
}
}
}
// Bore
translate([0,0,-1])
cylinder(r=Bearing_623_bore_diameter/2, h=big);
}
}
//color("purple")
//Bearing_623_vgroove();
module M3_screw(h, updown=false){
color("grey"){
cylinder(r=M3_diameter/2, h=h);
if(updown){
translate([0,0,h-M3_head_height])
cylinder(r=M3_head_diameter/2, h=M3_head_height, $fn=6);
}else{
cylinder(r=M3_head_diameter/2, h=M3_head_height, $fn=6);
}
}
}
//M3_screw(10);