User:Dorkmo/Ideas/Battery/SCAD: Difference between revisions
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===cage lid=== | ===cage lid with cleat=== | ||
<nowiki> | <nowiki> | ||
Revision as of 22:40, 15 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 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;
union()
{
difference()
{
union()
{
//lip
cube(size = [(tub_width-(spacing*3))/2,tub_length-(spacing*2),2], center=false);
translate([cage_wall, cage_endwall, 2])
{
//insert
cube(size = [((tub_width-(spacing*3))/2)-(cage_wall*2),(tub_length-(spacing*2))-(cage_endwall*2),2], center=false);
}
}
translate([((tub_width-(spacing*3))/2)/2,cage_endwall+2,-3])
{
rotate([45,0,90])
{
//cavity for wire exit and cleat
cube(size = [((tub_length-(spacing*2))-(cage_endwall*2))-4,(sin(45)*6),(sin(45)*6)], center=false);
}
}
//hole for wire
translate([((tub_width-(spacing*3))/2)/2,(tub_length-(spacing*2))/2,-1])
{
cylinder(h = 6, r=wire_diameter/2);
}
}
//cleats
translate([(((tub_width-(spacing*3))/2)/2)-0,((tub_length-(spacing*2))/2)-(wire_diameter*1.5)-3,1.75])
{
mirror([0,0,1])
{
cleat();
}
}
translate([(((tub_width-(spacing*3))/2)/2)-0,((tub_length-(spacing*2))/2)+(wire_diameter*1.5)+3,1.75])
{
mirror([0,0,1])
{
mirror([0,1,0])
{
cleat();
}
}
}
}
////cleat module
module cleat()
{
difference()
{
cube(size=[2,8,3.5], center=true);
translate([-0.8,-2,-0.5])
{
rotate([0,-20,15])
{
cube(size=[2,15,5], center=true);
}
}
translate([0.8,-2,-0.5])
{
rotate([0,20,-15])
{
cube(size=[2,15,5], center=true);
}
}
translate([-1.5,4.5,-1])
{
rotate([45,0,0])
{
cube(size = [3,4,6]);
}
}
}
}
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);
}