Modular Stepper Motor - Reassemble motor and test run

[xmdi]

[xmdi]

// Parameters
$fn = 50;

motor_base = 130;
motor_base_depth = 8;
motor_housing_hole_diameter = 7;
motor_housing_screw_spacing = 110;
bearing_OD = 28;
rotor_thickness = 10;
rotor_diameter = 120;
magnet_thickness = 9;
magnet_diameter = 35;
N_magnets = 6;
magnet_spacing_diameter = 80;
rotor_collar_diameter = 30;
rotor_collar_length = 20;
shaft_diameter = 12.7;

module frame_bearing_housing(){
    difference(){
        translate([-motor_base/2,-motor_base/2,0]) cube([motor_base,motor_base,motor_base_depth]);
        translate([-motor_housing_screw_spacing/2,-motor_housing_screw_spacing/2,-1]) cylinder(motor_base_depth2,motor_housing_hole_diameter/2,motor_housing_hole_diameter/2);
        translate([motor_housing_screw_spacing/2,-motor_housing_screw_spacing/2,-1]) cylinder(motor_base_depth2,motor_housing_hole_diameter/2,motor_housing_hole_diameter/2);
        translate([-motor_housing_screw_spacing/2,motor_housing_screw_spacing/2,-1]) cylinder(motor_base_depth2,motor_housing_hole_diameter/2,motor_housing_hole_diameter/2);
        translate([motor_housing_screw_spacing/2,motor_housing_screw_spacing/2,-1]) cylinder(motor_base_depth2,motor_housing_hole_diameter/2,motor_housing_hole_diameter/2);
        translate([0,0,-1]) cylinder(motor_base_depth*2,bearing_OD/2,bearing_OD/2);
    }      
}

module rotor(){
    union(){
        translate([0,0,-rotor_thickness-rotor_collar_length])cylinder(rotor_collar_length,rotor_collar_diameter/2,rotor_collar_diameter/2);        
        difference(){
            cylinder(rotor_thickness,rotor_diameter/2,rotor_diameter/2);    
            for (i = [0:360 / N_magnets:359]) {
                translate([magnet_spacing_diameter/2 * cos(i), magnet_spacing_diameter/2 * sin(i), 1]) {
                    cylinder(magnet_thickness+1,magnet_diameter/2,magnet_diameter/2);
                }
            }
        }
    }
}

//frame_bearing_housing();
//translate([0,0,80]) frame_bearing_housing();
translate([0,0,0]) rotor();

[xmdi]

// Parameters
motor_base = 130;
motor_base_depth = 8;
motor_housing_hole_diameter = 7;
motor_housing_screw_spacing = 110;
bearing_OD = 28;

module frame_bearing_housing(){
    difference(){
        translate([-motor_base/2,-motor_base/2,0]) cube([motor_base,motor_base,motor_base_depth]);
        translate([-motor_housing_screw_spacing/2,-motor_housing_screw_spacing/2,-1]) cylinder(motor_base_depth2,motor_housing_hole_diameter/2,motor_housing_hole_diameter/2);
        translate([motor_housing_screw_spacing/2,-motor_housing_screw_spacing/2,-1]) cylinder(motor_base_depth2,motor_housing_hole_diameter/2,motor_housing_hole_diameter/2);
        translate([-motor_housing_screw_spacing/2,motor_housing_screw_spacing/2,-1]) cylinder(motor_base_depth2,motor_housing_hole_diameter/2,motor_housing_hole_diameter/2);
        translate([motor_housing_screw_spacing/2,motor_housing_screw_spacing/2,-1]) cylinder(motor_base_depth2,motor_housing_hole_diameter/2,motor_housing_hole_diameter/2);
        translate([0,0,-1]) cylinder(motor_base_depth*2,bearing_OD/2,bearing_OD/2);
    }      
}

// frame_bearing_housing();

coil_placement_diameter=115-35;
coil_slot_diameter = 28;
coil_depth = 40;
stator_wall_thickness=1;
N_coils=8;

difference(){
    translate([-65,-65,0]) cube([130,130,coil_depth+stator_wall_thickness]);  
        for (i = [0:360 / N_coils:359]) {
                translate([coil_placement_diameter/2 * cos(i), coil_placement_diameter/2 * sin(i), stator_wall_thickness]) {
                    cylinder(coil_depth+1,coil_slot_diameter/2,coil_slot_diameter/2);
                }
            }
       translate([-55,-55,-1]) cylinder(r=7/2,h=100);    
            translate([55,-55,-1]) cylinder(r=7/2,h=100);  
            translate([-55,55,-1]) cylinder(r=7/2,h=100);  
            translate([55,55,-1]) cylinder(r=7/2,h=100);
           translate([0,0,-1]) cylinder(r=10,h=100);
          translate([0,-50,coil_depth+stator_wall_thickness]) rotate([90,0,0]) cylinder(r=1.5,h=100);  
            translate([0,150,coil_depth+stator_wall_thickness]) rotate([90,0,0]) cylinder(r=1.5,h=100);  
              translate([50,0,coil_depth+stator_wall_thickness]) rotate([0,90,0]) cylinder(r=1.5,h=100);  
            translate([-150,0,coil_depth+stator_wall_thickness]) rotate([0,90,0]) cylinder(r=1.5,h=100);  
             translate([30,28,coil_depth+stator_wall_thickness]) rotate([0,90,0]) cylinder(r=1.5,h=100);  
            translate([-120,28,coil_depth+stator_wall_thickness]) rotate([0,90,0]) cylinder(r=1.5,h=100);  
                translate([30,-28,coil_depth+stator_wall_thickness]) rotate([0,90,0]) cylinder(r=1.5,h=100);  
            translate([-120,-28,coil_depth+stator_wall_thickness]) rotate([0,90,0]) cylinder(r=1.5,h=100);  
}