micropump screen

pumpscreen.scad

$fn = 500;

capHeight = 10;
capOuterDiameter = 20;
capInnerDiameter = 18;
screenHole = 1.6;
screenThickness = 0.8;
screenSlotWidth = 6;
screenSlotThickness = 3;
screenSlotHeight = 5.25;

baseHeight = 9;
baseOuterDiameter = 23;
baseInnerDiameter = 21;
baseHoleDiameter = 14.5;
baseThickness=2;
pinsDiameter= 2.8;
pinsDistanceCenter = 9.25;
lockDiameter=2.5;
lockSize=3;
lockHeight=6;



module tube(d1, d2, h)
{
translate([0,0,h/2])
difference(){
cylinder(r=d1/2, h = h, center=true);
cylinder(r=d2/2, h = h+0.01, center=true);
}}

module bars(W,H,gridHole, gridWidth)
{
 spacing = gridHole + ( 2 * gridWidth);
 for ( i = [ 0: spacing : (W/2)] )
 {
    if ( i == 0)
      cube([W,gridWidth,H],center=true);
    else
    {
      translate([0,i,0])
      cube([W,gridWidth,H],center=true);
      translate([0,-i,0])
      cube([W,gridWidth,H],center=true);
    }
 }
}

module screen(d,h,gridHole, gridWidth)
{
 difference()
 {   

 difference(){
    union()
    {
        bars(W=d,H =h, gridHole = gridHole , gridWidth = gridWidth);
        rotate([0,0,90])
        bars(W=d,H =h, gridHole = gridHole , gridWidth = gridWidth);
    }

    difference()
    {
        cylinder(r=d, h =h+0.001,center=true);
        cylinder(r=d/2,h=h+0.002,center=true);
    }
   }
   
 }
}

module Slot()
{
            translate([capOuterDiameter/2-screenSlotWidth/2,-screenSlotThickness/2,screenSlotHeight])
            {
            cube([screenSlotWidth,screenSlotThickness, capHeight],center=false);
            translate([0,-screenSlotWidth/2,0])
            cube([screenSlotWidth,screenSlotWidth, screenSlotThickness],center=false);
            }
  
}


module cap()
{
union(){
translate([0,0,screenThickness/2])
screen(d = capInnerDiameter, h = screenThickness, gridHole = screenHole, gridWidth = screenThickness);
difference()
    {
     tube(d1 = capOuterDiameter, d2 = capInnerDiameter, h = capHeight);
     union()
        {
           for(i=[0,180]) rotate(i) Slot();

        }
    }
}} 




module base()
{
        union()
        {
        // cylinder
            tube(d1=baseOuterDiameter, d2=baseInnerDiameter,h=baseHeight);
            difference()
            {    
                // bottome
                tube(d1=baseOuterDiameter, d2=baseHoleDiameter,h=baseThickness);
                
                for ( i =[30,150,270])
                {
                   rotate([0,0,i])
                       translate([pinsDistanceCenter,0,baseThickness/2])
                           cylinder(r=pinsDiameter/2,h=baseThickness+0.02,center=true);
                }
            }

            translate([0,0,lockHeight])            
            for ( i =[0,180])
            {
               rotate([0,0,i])
                  translate([-baseThickness/2+(baseOuterDiameter+baseInnerDiameter)/4,0,0])
                    rotate([0,90,0])
                     cylinder(r=pinsDiameter/2,h=baseThickness+0.01,center=true);
            }        
        }
                
}

module base2()
{
    translate([0,0,0])
    
      union(){
       translate([0,0,lockHeight-baseHeight/2+lockSize/2])
       translate([0,0,baseHeight/2])
          {
       for(i=[90,270])
       {
          rotate([0,i,0])
           translate([0,0,(baseOuterDiameter+baseInnerDiameter)/4-lockSize/2]) 
           cylinder(r=lockDiameter/2,h=lockSize,center=true);
       }   
   }
    
       tube(d1=baseOuterDiameter, d2=baseInnerDiameter,h=baseHeight);
       translate([0,0,baseThickness/2])
       difference(){
       cylinder(r=baseOuterDiameter/2,h=baseThickness,center=true);
       cylinder(r=baseHoleDiameter/2,h=baseHeight+0.01,center=true);
       for ( i =[30,150,270])
       {
           rotate([0,0,i])
               translate([pinsDistanceCenter,0,0])
                   cylinder(r=pinsDiameter/2,h=baseThickness+0.01,center=true);
       }    
      }
    
}


}

//translate([0,0,40,])
//  rotate([180,0,0])
translate([30,0,0])
     cap();
base();