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1 | // PRUSA iteration3 |
2 | // Compact extruder |
3 | // GNU GPL v3 |
4 | // Josef Průša <iam@josefprusa.cz> and contributors |
5 | // http://www.reprap.org/wiki/Prusa_Mendel |
6 | // http://prusamendel.org |
7 | |
8 | |
9 | |
10 | |
11 | module motor_dummy(){ |
12 | translate([-22,-22,-5]) %cube([44,44,5]); |
13 | translate([18,18,-5]) %cylinder(r=2, h=24); |
14 | translate([18,-18,-5]) %cylinder(r=2, h=24); |
15 | translate([-18,18,-5]) %cylinder(r=2, h=24); |
16 | translate([-18,-18,-5]) %cylinder(r=2, h=24); |
17 | translate([-22+2.5+10,0,-5]) %cylinder(r=2.5, h=7); |
18 | |
19 | } |
20 | |
21 | module extruder_base(){ |
22 | // Main body |
23 | translate([-1-22,-2,0]) cube([22+22,56,24]); |
24 | // Extruder plate mount |
25 | translate([-16-28,49-5-8,0]) cube([59+28,18,24]); |
26 | // Carriage mount cylinders |
27 | translate([11,25,0]){ |
28 | //translate([-12,24,0]) cylinder(r=5, h=24); |
29 | //translate([12,24,0]) cylinder(r=5, h=24); |
30 | } |
31 | } |
32 | |
33 | module extruder_holes(){ |
34 | // 1st extruder |
35 | translate([11,25,0]){ // Translate to center of the main block |
36 | // Main shaft opening |
37 | translate([0,-2,-1]) cylinder(r=6.5, h=26); |
38 | |
39 | // Lower motor mount hole |
40 | translate([-8.5,18-2,-1]) cylinder(r=2, h=35); |
41 | translate([-8.5,18-2,21]) cylinder(r=3.1, h=35); |
42 | // Upper motor mount hole |
43 | translate([-8.5,-18-2,-1]) cylinder(r=2, h=35); |
44 | translate([-8.5,-18-2,21]) cylinder(r=3.1, h=35); |
45 | // Idler motor mount hole |
46 | translate([-8.5+36,18-2,-1]) cylinder(r=2, h=35); |
47 | translate([-8.5+36,18-2,21]) cylinder(r=3.1, h=35); |
48 | |
49 | //Idler place |
50 | |
51 | translate([10,-11,1]) cube([13,30,22]); |
52 | |
53 | // Carriage mount right screw head hole |
54 | translate([-12-12,24,-3]) cylinder(r=3.5, h=23); |
55 | // Carriage mount left screw head hole |
56 | translate([12-12,24,-3]) cylinder(r=3.5, h=23); |
57 | // Carriage mount right screw hole |
58 | translate([-12-12,24,20.5]) cylinder(r=2, h=23); |
59 | // Carriage mount left screw head hole |
60 | translate([12-12,24,20.5]) cylinder(r=2, h=23); |
61 | // Idler bearing cutout |
62 | translate([11,0-2,-4.5+10]) cylinder(r=11, h=20); |
63 | } |
64 | |
65 | // Filament path |
66 | translate([1.5+11+3.5,65,11]) rotate([90,0,0]) cylinder(r=2, h=70); |
67 | |
68 | mirror([1,0,0])translate([1.5+11+3.51+1,65,11]) rotate([90,0,0]) cylinder(r=2, h=70); |
69 | |
70 | // 2nd extruder |
71 | translate([-1,0,0]) mirror([1,0,0]) translate([11,25,0]){ // Translate to center of the main block |
72 | // Main shaft opening |
73 | translate([0,-2,-1]) cylinder(r=6.5, h=26); |
74 | |
75 | // Lower motor mount hole |
76 | translate([-8.5,18-2,-1]) cylinder(r=2, h=35); |
77 | translate([-8.5,18-2,21]) cylinder(r=3.1, h=35); |
78 | // Upper motor mount hole |
79 | translate([-8.5,-18-2,-1]) cylinder(r=2, h=35); |
80 | translate([-8.5,-18-2,21]) cylinder(r=3.1, h=35); |
81 | // Idler motor mount hole |
82 | translate([-8.5+36,18-2,-1]) cylinder(r=2, h=35); |
83 | translate([-8.5+36,18-2,21]) cylinder(r=3.1, h=35); |
84 | |
85 | translate([10,-11,1]) cube([13,30,22]); |
86 | |
87 | // Idler bearing cutout |
88 | translate([11,0-2,-4.5+10]) cylinder(r=11, h=20); |
89 | } |
90 | |
91 | |
92 | // Left extruder plate mounting hole |
93 | translate([25,65,11]) rotate([90,0,0]) cylinder(r=1.8, h=70); |
94 | translate([25,47,11]) rotate([90,0,0]) cylinder(r=3.1, h=70, $fn=6); |
95 | // Right extruder plate mounting hole |
96 | |
97 | translate([-26,65,11]) rotate([90,0,0]) cylinder(r=1.8, h=70); |
98 | translate([-26,47,11]) rotate([90,0,0]) cylinder(r=3.1, h=70, $fn=6); |
99 | |
100 | // Idler mounting holse |
101 | translate([11,25,10]){ |
102 | // Nut traps |
103 | translate([-3,-32,6-5.5/2]) cube([2.7,14,5.5]); |
104 | translate([-3,-32,-4-5.5/2]) cube([2.7,14,5.5]); |
105 | |
106 | translate([-3-20,-32,6-5.5/2]) cube([2.7,14,5.5]); |
107 | translate([-3-20,-32,-4-5.5/2]) cube([2.7,14,5.5]); |
108 | // Screws |
109 | translate([-50,-22,-4]) rotate([0,90,0]) cylinder(r=2, h=80); |
110 | translate([-50,-22,6]) rotate([0,90,0]) cylinder(r=2, h=80); |
111 | } |
112 | } |
113 | |
114 | module extruder_idler_base(){ |
115 | translate([0.25,0,0]) cube([19.5,45.5,8+3]); |
116 | |
117 | } |
118 | |
119 | module extruder_idler_holes(){ |
120 | translate([10,25,0]){ |
121 | // Main cutout |
122 | cube([10,23,25], center= true); |
123 | // Idler shaft |
124 | translate([-12,0,4.1+2])rotate([0,90,0])cylinder(r=4.1, h=24); |
125 | // Screw holes |
126 | translate([5,-20,-1])cylinder(r=2.2, h=24); |
127 | translate([-5,-20,-1])cylinder(r=2.2, h=24); |
128 | } |
129 | } |
130 | |
131 | |
132 | // Idler final part |
133 | module idler(){ |
134 | difference(){ |
135 | extruder_idler_base(); |
136 | extruder_idler_holes(); |
137 | } |
138 | } |
139 | |
140 | //translate([10,0,1]) rotate([0,-90,0]) idler(); |
141 | translate([-68,-8,0]) idler(); |
142 | // Extruder final part |
143 | module extruder(){ |
144 | translate([-23,2,0])difference(){ |
145 | extruder_base(); |
146 | extruder_holes(); |
147 | } |
148 | } |
149 | |
150 | extruder(); |
151 | translate([-2.5,25,0]) motor_dummy(); |