pump_main_dia = 38;
pump_side_width = 5;
-pump_side_thick = 5;
+pump_side_thick = 4;
pump_shaft_dia = 14;
-baseplate = 4;
+baseplate = 3;
pump_protr_flat = 3;
pump_protr_slope = 0.9;
hose_side_width = 5;
hose_base_offset = 30;
-hose_side_thick = 5;
+hose_side_thick = 6;
+hose_side_stalk_width = 6;
pump_protr_protr = 3;
pump_side_height = 20;
sqrt( pow(pump_side_outer_rad, 2)
-pow( pump_main_dia/2 - pump_protr_protr, 2) );
+xm = baseplate + pump_main_dia/2;
+
+pump_side_total_height =
+ pump_side_thick + pump_side_height + pump_protr_slheight + pump_protr_flat;
+
$fa=5;
module PumpSidePlan() {
- xm = baseplate + pump_main_dia/2;
or = pump_side_outer_rad;
- br = baseplate_width_rad;
difference(){
union(){
intersection(){
translate([-xm, 0]) circle(r=or);
translate([-(xm+or), -or]) square([xm+or, or*2]);
}
- translate([-xm, -br]) square([xm, br*2]);
}
translate([-xm-or, 0])
square(center=true, [pump_side_width*4, pump_shaft_dia]);
}
module PumpSide(){
+ br = baseplate_width_rad;
+
difference(){
intersection(){
translate([0,100,0])
rotate([90,0,0])
linear_extrude(height=200)
- PumpSideElevation();
- translate([0,0,-100])
- linear_extrude(height=200)
- PumpSidePlan();
+ PumpSideElevation();
+ union(){
+ translate([0,0,-100])
+ linear_extrude(height=200)
+ PumpSidePlan();
+ // baseplate
+ mirror([0,0,1])
+ translate([-xm, -br, 0])
+ cube([xm,
+ br*2,
+ pump_side_total_height]);
+ }
}
translate([-(baseplate + pump_main_dia/2), 0,
-(pump_side_thick + pump_side_height)])
module HoseSidePlan(){
ro = hose_inner_dia/2 + hose_side_width;
ri = (hose_inner_dia/2);
+ st = hose_side_stalk_width/2;
apx = sqrt( ri*ri - (hose_aperture*hose_aperture)/4 );
apsq = hose_base_offset + apx - hose_aperture/2;
echo(apx,apsq);
difference(){
- hull(){
- translate([-1, -ro]) square([1, ro*2]);
+ union(){
+ translate([-1, -st]) square([hose_base_offset+1, st*2]);
translate([hose_base_offset, 0]) circle(r= ro);
}
translate([hose_base_offset, 0]) circle(r= hose_inner_dia/2);