$fn=40; // model faces resolution.
include <../configuration.scad>
include <polyScrewThread_r1.scad>
difference () {
AWSCREEN01A_D03(D03_vyska_zavitu,D03_tolerance_zavitu,D03_material_za_zavitem,D03_polomer_zavitu,D03_polomer_stitu,D03_tloustka_materialu,D03_vyska_stitu,D03_pocet_vyztuh,screen_bevel);
cube([180,180,180]);
}
module AWSCREEN01A_D03(D03_vyska_zavitu,D03_tolerance_zavitu,D03_material_za_zavitem,D03_polomer_zavitu,D03_polomer_stitu,D03_tloustka_materialu,D03_vyska_stitu,D03_pocet_vyztuh,screen_bevel)
{
angle_sep = 360/D03_pocet_vyztuh;
//spodní kruh - kvůli výkroji
difference () {
cylinder (h=3*D03_tloustka_materialu,r = D03_polomer_stitu,$fn=100);
translate ([0,0,-0.005])
cylinder (h=2*D03_tloustka_materialu+0.01,r = D03_polomer_stitu-D03_tloustka_materialu,$fn=100);
translate ([0,0,3*D03_tloustka_materialu])
translate ([0,0,-0.01/2-D03_tloustka_materialu])
cylinder (h=D03_vyska_stitu-3*D03_tloustka_materialu+0.01,r1=D03_polomer_stitu ,r2=D03_polomer_zavitu -D03_tolerance_zavitu- D03_material_za_zavitem,$fn=100);
}
//spodní kruh - kvůli doplnění výkroje
difference () {
cylinder (h=3*D03_tloustka_materialu,r = D03_polomer_stitu,$fn=100);
translate ([0,0,-0.005])
cylinder (h=3*D03_tloustka_materialu+0.01,r = D03_polomer_stitu-D03_tloustka_materialu,$fn=100);
}
//horni zavit
translate ([0,0,D03_vyska_stitu-0.01])
// screen upper rim
difference () {
screw_thread((D03_polomer_zavitu-D03_tolerance_zavitu)*2,4,55,D03_vyska_zavitu+5,PI/2,2);
translate ([0,0,-0.01])
cylinder (h=D03_vyska_zavitu+0.02 ,r= D03_polomer_zavitu -D03_tolerance_zavitu- D03_material_za_zavitem-D03_material_za_zavitem_pridani ,$fn=100);
translate ([0,0,D03_vyska_zavitu-0.01])
cylinder (h=D03_vyska_zavitu+0.02 ,r= D03_polomer_zavitu ,$fn=100);
}
//materiál pod horním závitem
translate ([0,0,D03_vyska_stitu-D03_tloustka_materialu])
difference () {
translate ([0,0,0])
cylinder (h=D03_tloustka_materialu ,r=D03_polomer_zavitu -D03_tolerance_zavitu- D03_material_za_zavitem+D03_tloustka_materialu ,$fn=100);
translate ([0,0,-0.01])
cylinder (h=D03_tloustka_materialu+0.02 ,r= D03_polomer_zavitu -D03_tolerance_zavitu- D03_material_za_zavitem-D03_material_za_zavitem_pridani ,$fn=100);
}
//screen
translate ([0,0,3*D03_tloustka_materialu])
difference () {
cylinder (h=D03_vyska_stitu-3*D03_tloustka_materialu,r1=D03_polomer_stitu ,r2=D03_polomer_zavitu -D03_tolerance_zavitu- D03_material_za_zavitem-D03_material_za_zavitem_pridani,$fn=100);
translate ([0,0,-0.01/2-D03_tloustka_materialu])
cylinder (h=D03_vyska_stitu-3*D03_tloustka_materialu+0.01,r1=D03_polomer_stitu ,r2=D03_polomer_zavitu -D03_tolerance_zavitu- D03_material_za_zavitem-D03_material_za_zavitem_pridani,$fn=100);
translate ([0,0,D03_vyska_stitu-D03_vyska_zavitu-3*D03_tloustka_materialu])
cylinder (h=D03_vyska_zavitu+0.02 ,r= D03_polomer_zavitu -D03_tolerance_zavitu- D03_material_za_zavitem-D03_material_za_zavitem_pridani ,$fn=100);
}
//inner ring
//spodní závit
difference () {
union(){
cylinder (h=D03_vyska_zavitu,r = D03_polomer_zavitu + D03_material_za_zavitem/2,$fn=100);
//výztuhy
// center ribs
for (i = [0 : (D03_pocet_vyztuh-1)]) {
rotate ([90,0,angle_sep* i])
translate ([0,0,-D03_tloustka_materialu/2])
linear_extrude (height = D03_tloustka_materialu, convexity = 10)
polygon(points=[[D03_polomer_zavitu- D03_material_za_zavitem-D03_tolerance_zavitu-D03_material_za_zavitem_pridani,D03_vyska_stitu],[D03_polomer_zavitu, 0],[D03_polomer_stitu - D03_tloustka_materialu,0],[D03_polomer_stitu- D03_tloustka_materialu,3*D03_tloustka_materialu]]);
}
}
translate([0,0,-1])
screw_thread(D03_polomer_zavitu*2,4,55,D03_vyska_zavitu+2,PI/2,2);
}
}