comparison: FluidSwitch/FluidSwitch_Radial.scad
FluidSwitch/FluidSwitch_Radial.scad
- changeset 0
- 15eac37578b7
- child 1
- a159ad715fe0
equal
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inserted
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| -1:000000000000 | 0:15eac37578b7 |
|---|---|
| 1 // fluid 1-to-N-way rotation Valve | |
| 2 // 1 Inlet, N Outlets | |
| 3 | |
| 4 // Variables: | |
| 5 oring_outer = 5.0; | |
| 6 oring_inner = 3.0; | |
| 7 | |
| 8 tube_dia = 2; | |
| 9 | |
| 10 hole_inner = 1.0; | |
| 11 axis_dia = 5; | |
| 12 | |
| 13 // for color mixer we need 3 base colors + black + white + additional 1 waste and 1 clean water and one output = 8 connectors | |
| 14 // cycle will be: | |
| 15 // 1) select color 1-5, load syringe, select output, unload syringe, repeat for each other color | |
| 16 // 2) select water, load syringe, select waste, unload syringe | |
| 17 outlets = 8; | |
| 18 | |
| 19 // just fiddle around with the following variables: | |
| 20 outlet_circle_dia = 13; | |
| 21 base_dia = 20; | |
| 22 | |
| 23 // roundness faces | |
| 24 fn = 10; | |
| 25 | |
| 26 // calculations: | |
| 27 oring_dia = (oring_outer - oring_inner) / 2; | |
| 28 outlet_angle = 360/outlets; | |
| 29 base_height = 6; | |
| 30 base_outer_dia = base_dia + 6; | |
| 31 outer_thread_height = 10; | |
| 32 outer_height = 15; | |
| 33 thread_pitch = 2; | |
| 34 | |
| 35 // START PROGRAM | |
| 36 use <../libs/Threading/Threading.scad> | |
| 37 | |
| 38 valve_lower(); | |
| 39 | |
| 40 //rotate([180,0,0]) translate([30,0,0]) | |
| 41 //valve_inlay(); | |
| 42 | |
| 43 //rotate([180,0,0]) translate([0,0,-60]) | |
| 44 // valve_cap(); | |
| 45 | |
| 46 // MODULES | |
| 47 | |
| 48 module valve_inlay() union() { | |
| 49 inlay_height = 5; | |
| 50 difference() { | |
| 51 translate([0,0,0.0001]) | |
| 52 cylinder(d=base_dia, h = inlay_height); | |
| 53 | |
| 54 // cut out the connector tube | |
| 55 rotate([90,0,0]) | |
| 56 translate([outlet_circle_dia/4,0,0]) | |
| 57 rotate_extrude(convexity=10) | |
| 58 translate([outlet_circle_dia/4, 0]) circle(d=oring_inner, $fn=fn); | |
| 59 | |
| 60 // cylinder(d=oring_inner, h=inlay_height / 2, $fn=fn); | |
| 61 // translate([outlet_circle_dia/2,0]) | |
| 62 // cylinder(d=oring_inner, h=inlay_height / 2, $fn=fn); | |
| 63 } | |
| 64 | |
| 65 // hex drive rod | |
| 66 translate([0,0,inlay_height]) | |
| 67 cylinder(d=axis_dia, h=20, $fn=6); | |
| 68 } | |
| 69 | |
| 70 module valve_cap() { | |
| 71 cap_sides = 50; | |
| 72 difference() { | |
| 73 union() { | |
| 74 translate([0,0,2]) | |
| 75 Threading(D = base_outer_dia + 6, pitch = thread_pitch, d=base_outer_dia, windings = (outer_thread_height/thread_pitch), angle = 55, full = true, step = 50, $fn=cap_sides); | |
| 76 | |
| 77 cylinder(d=base_outer_dia + 6, h=2, $fn=cap_sides); | |
| 78 } | |
| 79 | |
| 80 cylinder(d=axis_dia + 2, h=2 + 0.001, $fn=fn); | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 module valve_lower() | |
| 85 difference() { | |
| 86 union() { | |
| 87 valve_base(); | |
| 88 valve_casing(); | |
| 89 // bottom | |
| 90 translate([0,0,-1.5]) cylinder(d=base_outer_dia, h=1.5); | |
| 91 } | |
| 92 | |
| 93 // cut out the OUTLET ring on the side | |
| 94 for(i = [1:outlets]) { | |
| 95 a = outlet_angle * i; | |
| 96 rotate([90,0,a]) { | |
| 97 translate([outlet_circle_dia/2 - hole_inner/2,tube_dia/2,0]) | |
| 98 rotate([0,90,0]) | |
| 99 cylinder(d=tube_dia, h=base_outer_dia, $fn=fn); | |
| 100 } | |
| 101 } | |
| 102 | |
| 103 } | |
| 104 // TODO: cut out the syringe hole (needs to be conical to fit) | |
| 105 | |
| 106 | |
| 107 module valve_casing() { | |
| 108 difference() { | |
| 109 union() { | |
| 110 translate([0,0,0.001]) | |
| 111 cylinder(d=base_outer_dia, h=outer_height - outer_thread_height); | |
| 112 | |
| 113 translate([0,0,outer_height - outer_thread_height]) | |
| 114 threading(pitch = thread_pitch, d=base_outer_dia, windings = (outer_thread_height/thread_pitch)-1, angle = 55, full = true, $fn=fn); | |
| 115 } | |
| 116 | |
| 117 cylinder(d=base_dia, h = outer_height + 0.001); | |
| 118 } | |
| 119 } | |
| 120 | |
| 121 module valve_base() difference() { | |
| 122 cylinder(d=base_dia, h=base_height); | |
| 123 | |
| 124 // inlet hole | |
| 125 cylinder(d=hole_inner, h=base_height, $fn=fn); | |
| 126 translate([0,0,base_height]) | |
| 127 oring(); | |
| 128 | |
| 129 // cut Outlet holes and oring carves | |
| 130 for(i = [1:outlets]) { | |
| 131 a = outlet_angle * i; | |
| 132 rotate([0,0,a]) { | |
| 133 translate([outlet_circle_dia/2,0,base_height]) | |
| 134 oring(); | |
| 135 translate([outlet_circle_dia/2,0]) | |
| 136 cylinder(d=hole_inner, h=base_height, $fn=fn); | |
| 137 } | |
| 138 } | |
| 139 | |
| 140 } | |
| 141 | |
| 142 module oring() { | |
| 143 rotate_extrude(convexity=10, $fn=fn) | |
| 144 translate([oring_inner/2 , 0, 0]) | |
| 145 circle(d=oring_dia, $fn=fn); | |
| 146 } |
