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add bearing raise

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Eggert Jung
2020-11-28 01:18:28 +01:00
parent ffe904fe53
commit 06d6cc2a80
1 changed files with 15 additions and 4 deletions
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19
hose_pump_parametric.scad
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@@ -4,10 +4,10 @@
// green holes need thread cutting M3 (hole depth 11mm) // green holes need thread cutting M3 (hole depth 11mm)
$fn=100; $fn=100;
show_case = true; show_case = false;
show_disc = true; show_disc = true;
show_lid = true; show_lid = false;
show_motor_flange = true; show_motor_flange = false;
// ##### PARAMETERS TO ADAPT ##### // ##### PARAMETERS TO ADAPT #####
@@ -24,6 +24,9 @@ l_squeeze = 0.4; // distance the hose is squeezed
d_bb_out = 14; // outer diameter of ball bearing d_bb_out = 14; // outer diameter of ball bearing
d_bb_in = 5; // inner diameter of ball bearing d_bb_in = 5; // inner diameter of ball bearing
h_bb = 5; // thickness of ball bearing h_bb = 5; // thickness of ball bearing
// BEARING RAISE
h_br = 0.5;
d_br = 11;
number_of_rollers = 3; // number of rollers used number_of_rollers = 3; // number of rollers used
wall_thickness = 6; // thickness of outer case wall wall_thickness = 6; // thickness of outer case wall
@@ -69,7 +72,15 @@ r_motor_flange_screws = d_motor_flange/2-4.5; //
if(show_disc==true) if(show_disc==true)
difference() difference()
{ {
cylinder(d=d_disc,h=h_disc); union(){
cylinder(d=d_disc,h=h_disc-h_br);
for(i=[0:1:number_of_rollers-1])
{
rotate(roller_angle*i,[0,0,1])
translate([r_roller_shaft_position,0,0])
cylinder(d=d_br,h=h_disc);
}
}
// motor shaft hole // motor shaft hole
difference() difference()
{ {