User:Dorkmo/Ideas/Battery/SCAD: Difference between revisions
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==inside cage== | |||
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==cage lid with divots and cleat== | |||
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==single cell tub== | |||
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Revision as of 18:32, 16 November 2014
User:Dorkmo/Ideas/Battery/SCAD/Sandbox
inside cage
height = 80;
tub_width = 65;
tub_length = 70;
outsidewall = 5;
basethickness = 5;
tub_wall = 5;
spacing = 5;
cage_height = 60;
cage_wall = 7.5;
cage_endwall = 2;
cage_base = 5;
wedge_hieght = 10;
mesh_opening = 1 ;
mesh_angle = 45;
mesh_spacing = 2.5;
//begin underlying cage module
module cage()
{
difference()
{
cube(size = [(tub_width-(spacing*3))/2,tub_length-(spacing*2),cage_height], center=false);
//cut hole for powder to sit in
translate([cage_wall, cage_endwall, cage_base])
cube(size = [((tub_width-(spacing*3))/2)-(cage_wall*2),(tub_length-(spacing*2))-(cage_endwall*2),cage_height-cage_base+1], center=false);
}
}
//end cage
//begin mesh hole grid module
module holes()
{
intersection()
{
translate([0,-(sqrt((mesh_opening*mesh_opening)+(mesh_opening*mesh_opening))),0])
cube([cage_wall+0.2,1+((((tub_length-(spacing*2))-(cage_endwall*2)))),cage_height], center=false);
//need to translate closer to the cube here with llarge holes
translate([0,0,-mesh_spacing])
{
rotate([0,-mesh_angle,0])
scale([1,1,(sqrt((mesh_opening*mesh_opening)+(mesh_opening*mesh_opening)))/(((sqrt((mesh_opening*mesh_opening)+(mesh_opening*mesh_opening)))/sin(90-mesh_angle))*sin(90))])
{
//for - pair of rows to height
for (h = [1 : floor(((cage_height-cage_base-((((((sin(90)*(cage_wall/sin(90-mesh_angle))))-((sin(mesh_angle)*((sqrt((mesh_opening*mesh_opening)+(mesh_opening*mesh_opening)))/(sin(90))))))/sin(90))*sin(mesh_angle))))-(sqrt((mesh_opening*mesh_opening)+(mesh_opening*mesh_opening))))/mesh_spacing)])
{
translate(h*[0,0,mesh_spacing])
{
//for - second row
for (w = [1 : floor((((tub_length-(spacing*2))-(cage_endwall*2))-(sqrt((mesh_opening*mesh_opening)+(mesh_opening*mesh_opening))))/mesh_spacing)])
{
//translate second row
translate([0,-mesh_spacing/2,mesh_spacing/2])
{
//make second row copies
translate(w*[0,mesh_spacing,0])
{
rotate([45,0,0])
{
cube(size = [(cage_wall*2)+(cage_height/sin(90))*sin(mesh_angle),mesh_opening,mesh_opening], center=false);
}
}
}
}
//for - create first row
for (w = [0 : floor((((tub_length-(spacing*2))-(cage_endwall*2))-(sqrt((mesh_opening*mesh_opening)+(mesh_opening*mesh_opening))))/mesh_spacing)])
{
translate(w*[0,mesh_spacing,0])
{
rotate([45,0,0])
{
//need to tweak
cube(size = [(cage_wall*2)+(cage_height/sin(90))*sin(mesh_angle),mesh_opening,mesh_opening],center=false);
}
}
}
}
}
}
////end cube
}
}
}
////end mesh hole grid module
//begin final cage construction
difference()
{
cage();
translate([(((tub_width-(spacing*3))/2)-cage_wall)+0.0, cage_endwall+((sqrt((mesh_opening*mesh_opening)+(mesh_opening*mesh_opening)))/2)+(((((tub_length-(spacing*2))-(cage_endwall*2))-(((floor((((tub_length-(spacing*2))-(cage_endwall*2))-(sqrt((mesh_opening*mesh_opening)+(mesh_opening*mesh_opening))))/mesh_spacing))*mesh_spacing)+sqrt((mesh_opening*mesh_opening)+(mesh_opening*mesh_opening)))))/2), cage_base])
{
holes();
}
translate([(cage_wall)-0.0,cage_endwall+((sqrt((mesh_opening*mesh_opening)+(mesh_opening*mesh_opening)))/2)+(((((tub_length-(spacing*2))-(cage_endwall*2))-(((floor((((tub_length-(spacing*2))-(cage_endwall*2))-(sqrt((mesh_opening*mesh_opening)+(mesh_opening*mesh_opening))))/mesh_spacing))*mesh_spacing)+sqrt((mesh_opening*mesh_opening)+(mesh_opening*mesh_opening)))))/2), cage_base])
{
mirror([1,0,0])
{
#holes();
}
}
}
//end cage
//calculate mesh wall minimum thickness
echo(sin(45)*((mesh_spacing-((sqrt((mesh_opening*mesh_opening)+(mesh_opening*mesh_opening)))))/sin(90)));
//calculate verticle height of mesh holes to take away from max height of holes
//works okay up to 45 then bugs out. might be because its before the scale down
echo((((((sin(90)*(cage_wall/sin(90-mesh_angle))))-((sin(mesh_angle)*((sqrt((mesh_opening*mesh_opening)+(mesh_opening*mesh_opening)))/(sin(90))))))/sin(90))*sin(mesh_angle)));
cage lid with divots and cleat
height = 80;
tub_width = 65;
tub_length = 70;
outsidewall = 5;
basethickness = 5;
tub_wall = 5;
spacing = 5;
cage_height = 60;
cage_wall = 7.5;
cage_endwall = 2;
cage_base = 5;
wedge_hieght = 10;
mesh_opening = 1 ;
mesh_angle = 45;
mesh_spacing = 2.5;
wire_diameter = 2;
wire_holeoffc = 0;
lid_depthinto = 7;
divot_height = 5.5;
union()
{
difference()
{
union()
{
cube(size = [((tub_width-(spacing*3))/2)-(cage_wall*2),(tub_length-(spacing*2))-(cage_endwall*2),lid_depthinto], center=false);
translate([-1,-1,lid_depthinto])
{
cube(size = [(((tub_width-(spacing*3))/2)-(cage_wall*2))+2,((tub_length-(spacing*2))-(cage_endwall*2))+2,2], center=false);
}
//spheres lock ins
//1
translate([0,((tub_length-(spacing*2))-(cage_endwall*2))*1/4,((lid_depthinto-divot_height)/2)+(divot_height/2)])
{
divot_sphere();
}
//2
translate([0,((tub_length-(spacing*2))-(cage_endwall*2))*3/4,((lid_depthinto-divot_height)/2)+(divot_height/2)])
{
divot_sphere();
}
//3
translate([((tub_width-(spacing*3))/2)-(cage_wall*2),((tub_length-(spacing*2))-(cage_endwall*2))*1/4,((lid_depthinto-divot_height)/2)+(divot_height/2)])
{
mirror([1,0,0])
{
divot_sphere();
}
}
//4
translate([((tub_width-(spacing*3))/2)-(cage_wall*2),((tub_length-(spacing*2))-(cage_endwall*2))*3/4,((lid_depthinto-divot_height)/2)+(divot_height/2)])
{
mirror([1,0,0])
{
divot_sphere();
}
}
//end spheres
}
//end union begin difference
translate([1,1,1])
{
cube(size = [((tub_width-(spacing*3))/2)-(cage_wall*2)-2,(tub_length-(spacing*2))-(cage_endwall*2)-2,lid_depthinto+3], center=false);
}
//chamfer underside of lip
translate([-2,-1,lid_depthinto-1])
{
rotate([45,0,0])
{
cube(size = [(((tub_width-(spacing*3))/2)-(cage_wall*2))+4,sqrt(2),sqrt(2)], center=false);
}
}
translate([-2,(tub_length-(spacing*2))-(cage_endwall*2)+1,lid_depthinto-1])
{
rotate([45,0,0])
{
cube(size = [(((tub_width-(spacing*3))/2)-(cage_wall*2))+4,sqrt(2),sqrt(2)], center=false);
}
}
translate([-1,-2,lid_depthinto-1])
{
rotate([45,0,90])
{
cube(size = [((tub_length-(spacing*2))-(cage_endwall*2))+4,sqrt(2),sqrt(2)], center=false);
}
}
translate([(((tub_width-(spacing*3))/2)-(cage_wall*2))+1,-2,lid_depthinto-1])
{
rotate([45,0,90])
{
cube(size = [((tub_length-(spacing*2))-(cage_endwall*2))+4,sqrt(2),sqrt(2)], center=false);
}
}
//end chamfer
//begin wire hole
translate([((((tub_width-(spacing*3))/2)-(cage_wall*2)))/2,(((tub_length-(spacing*2))-(cage_endwall*2))*1/2),-1])
{
cylinder(r = wire_diameter/2, h = 3);
}
//end wire hole
//end difference
}
//begin union
//cleat
translate([((((tub_width-(spacing*3))/2)-(cage_wall*2)))/2,(((tub_length-(spacing*2))-(cage_endwall*2))*1/2)-(wire_diameter*1.5)-1+wire_holeoffc,0])
{
cleat(2,lid_depthinto+2);
}
translate([((((tub_width-(spacing*3))/2)-(cage_wall*2)))/2,(((tub_length-(spacing*2))-(cage_endwall*2))*1/2)+(wire_diameter*1.5)+1+wire_holeoffc,0])
{
mirror([0,1,0])
{
cleat(2,lid_depthinto+2);
}
}
//end cleat
}
//divot
module divot_sphere()
{
difference()
{
translate([(divot_height/2)/sin(45)*sin(45),0,0])
{
sphere(r = (divot_height/2)/sin(45));
}
translate([(divot_height/2)/sin(45),0,0])
cube(size = [((divot_height/2)/sin(45)*2),((divot_height/2)/sin(45)*2),((divot_height/2)/sin(45)*2)], center=true);
}
}
////cleat module
module cleat(size,height)
{
translate([0,0,-size])
{
difference()
{
rotate([45,0,0])
{
rotate([0,0,45])
{
cube(size = [size,size,height/sin(45)], center=false);
}
}
translate([-size*3/2,-size*3/2,0])
{
#cube(size = [size*3,size*3,size],center=false);
}
}
}
}
single cell tub
height = 60;
oa_width = 80;
oa_length = 105;
outsidewall = 5;
basethickness = 5;
membranethickness = 5;
tub_wall = 5;
spacing = 5;
cage_height = 40;
cage_wall = 10;
cage_base = 5;
difference()
{
cube(size = [oa_width, oa_length, height], center=false);
translate([outsidewall,outsidewall,basethickness])
cube(size = [oa_width-(outsidewall*2), oa_length-(outsidewall*2), height-basethickness], center=false);
}