Commit | Line | Data |
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2159eed1 VAH |
1 | // PRUSA iteration3 |
2 | // X carriage | |
3 | // GNU GPL v3 | |
4 | // Josef Průša <josefprusa@me.com> | |
5 | // Václav 'ax' Hůla <axtheb@gmail.com> | |
6 | // http://www.reprap.org/wiki/Prusa_Mendel | |
7 | // http://github.com/prusajr/PrusaMendel | |
8 | ||
9 | include <configuration.scad> | |
10 | use <bushing.scad> | |
88f30890 VAH |
11 | // mounting plate |
12 | use <extras/groovemount.scad> | |
2159eed1 | 13 | |
88f30890 | 14 | carriage_l = 74; |
ff44e5ab VAH |
15 | carriage_hole_to_side = 5; |
16 | carriage_hole_height = 4; | |
2159eed1 | 17 | |
d3618a65 | 18 | |
88f30890 VAH |
19 | module x_carriage(){ |
20 | mirror([1,0,0]) { | |
21 | difference() { | |
22 | union() { | |
23 | //upper bearing | |
24 | rotate([0,0,180]) { | |
25 | if (bearing_choice == 2) { | |
26 | linear_bearing(fillet = true); | |
27 | } else { | |
28 | linear_bushing(27); | |
29 | } | |
30 | } | |
d3618a65 | 31 | |
88f30890 VAH |
32 | //lower bearing |
33 | translate([xaxis_rod_distance,0,0]) { | |
34 | if (bearing_choice == 2) { | |
35 | linear_bearing(carriage_l, fillet = true); | |
36 | } else { | |
37 | linear_bushing(carriage_l); | |
38 | } | |
39 | } | |
d3618a65 | 40 | |
88f30890 VAH |
41 | // main plate |
42 | //difference(){ | |
9d36b130 NZ |
43 | translate([14,-10,0]) cube_fillet([xaxis_rod_distance - 19,6,carriage_l], radius=2); |
44 | translate([5.5,-10,0]) cube_fillet([xaxis_rod_distance - 11,6,28], radius=2); | |
45 | ||
88f30890 VAH |
46 | //translate([55,-17.5, 67]) rotate([0,70,0]) cube([80,60,60], center = true); |
47 | //} | |
db544728 | 48 | |
88f30890 | 49 | //reduce springiness |
db544728 | 50 | |
88f30890 VAH |
51 | translate([6,5,20]) cube([xaxis_rod_distance - 13,5,8]); |
52 | ||
53 | ||
ff44e5ab VAH |
54 | translate([20,0,carriage_hole_to_side]) { |
55 | rotate([90,0,0]) cylinder(r=(carriage_hole_to_side > 5 ? 5 : carriage_hole_to_side), h=12, center=true); | |
88f30890 | 56 | } |
ff44e5ab VAH |
57 | translate([20,0,carriage_l - carriage_hole_to_side]) { |
58 | rotate([90,0,0]) cylinder(r=(carriage_hole_to_side > 5 ? 5 : carriage_hole_to_side), h=12, center=true); | |
88f30890 | 59 | } |
d3618a65 | 60 | |
88f30890 | 61 | translate([45/2,0,0]){ |
d3618a65 | 62 | |
88f30890 VAH |
63 | // belt dummy |
64 | %translate([0,0,carriage_l/2]) cube([20,6,carriage_l], center = true); | |
d3618a65 | 65 | |
88f30890 | 66 | //belt flat side |
9d36b130 | 67 | * difference() { |
88f30890 VAH |
68 | translate([-13.5,0,carriage_l/2]) cube_fillet([7,14,carriage_l], vertical = [3,3,0,0], center = true); |
69 | translate([-45/2,0,0]) bushing_negative(); | |
70 | } | |
3ade0448 | 71 | |
88f30890 | 72 | difference(){ |
dd1ce46d | 73 | translate([-3.0,0,carriage_l/2]) cube_fillet([11,14,carriage_l], vertical = [2,2,0,0], center = true); |
9d36b130 NZ |
74 | #translate([-3.5,0,(carriage_l+28)/2]) cube([13,10,20], center = true); |
75 | translate([-8.5, 0, 0]) cube([2, 10, 28*2+1], center = true); | |
76 | translate([0,0,28]) intersection() { | |
77 | for (i = [0 : (carriage_l-28)/belt_tooth_distance]) | |
88f30890 | 78 | { |
a6e5eb6b | 79 | translate([-8.5, 0, 1+i*belt_tooth_distance]) cube([2, 10, belt_tooth_distance*belt_tooth_ratio], center = true); |
88f30890 VAH |
80 | } |
81 | translate([0, 0, carriage_l/2]) cube([20, 10, carriage_l], center = true); | |
82 | } | |
83 | } | |
84 | ||
85 | } | |
86 | } | |
ff44e5ab | 87 | #translate([20,-2,carriage_hole_to_side]) { |
88f30890 | 88 | rotate([90,0,0]) cylinder(r=2.2, h=22, center=true); |
ff44e5ab VAH |
89 | translate([0,3,0]) rotate([90,90,0]) cylinder(r=9/2, h=carriage_hole_height, $fn=6, center=true); |
90 | translate([0,3,-3]) cube([8,carriage_hole_height,8], center=true); | |
88f30890 | 91 | } |
ff44e5ab | 92 | #translate([20,-2,carriage_l-carriage_hole_to_side]) { |
88f30890 | 93 | rotate([90,0,0]) cylinder(r=2.2, h=22, center=true); |
ff44e5ab VAH |
94 | translate([0,3,0]) rotate([90,90,0]) cylinder(r=9/2, h=carriage_hole_height, $fn=6, center=true); |
95 | translate([0,3,3]) cube([8,carriage_hole_height,8], center=true); | |
2159eed1 | 96 | } |
9d36b130 NZ |
97 | # translate([20,-10,(carriage_l+28)/2]) { |
98 | translate([0,0,m3_nut_diameter/-2]) cube([2,m3_nut_diameter_bigger,m3_nut_diameter]); | |
99 | translate([0,m3_nut_diameter_bigger/2,0]){ | |
100 | rotate([0, 90,0]) cylinder(r=3.2/2,h=10); | |
101 | rotate([0,-90,0]) cylinder(r=3.2/2,h=30); | |
102 | } | |
103 | } | |
3ade0448 VAH |
104 | } |
105 | } | |
106 | ||
88f30890 VAH |
107 | module holding_plate(){ |
108 | translate([13,-10,0]){ | |
109 | difference(){ | |
110 | translate([2.5-13.8/2, -17.5,35]) cube([5,35,carriage_l], center = true); | |
111 | translate([2.5-13.8/2, -17.5,35]) cube([7,25,25], center = true); | |
112 | translate([0,-17.5, 35-25]) rotate([0,-90,0]) cylinder(h = 80, r=2.5, $fn=30); | |
113 | translate([0,-17.5, 35+25]) rotate([0,-90,0]) cylinder(h = 80, r=2.5, $fn=30); | |
114 | } | |
115 | ||
116 | %translate([-7, -18 ,carriage_l/2]) rotate([-90,0,90]) groovemount(); | |
117 | } | |
118 | } | |
3ade0448 | 119 | } |
88f30890 | 120 | |
9d36b130 | 121 | module x_beltclamp(){ |
fa4ee344 NZ |
122 | translate([2,0,0]) difference(){ |
123 | cube_fillet([carriage_l-32,17,7]); | |
124 | translate([carriage_l-32,m3_nut_diameter_bigger,0]/2){ | |
9d36b130 NZ |
125 | cylinder(r=3.2/2,h=30); |
126 | translate([0,0,7]) mirror([0,0,1]) screw(slant=false,r=1.7,head_drop=3); | |
127 | ||
128 | } | |
129 | } | |
130 | } | |
131 | ||
88f30890 | 132 | x_carriage(); |
9d36b130 NZ |
133 | translate([carriage_l/-2-10,12,0]) x_beltclamp(); |
134 | %translate([-13,-10,carriage_l]) rotate([90,90,90]) x_beltclamp(); | |
88f30890 | 135 | //holding_plate(); |