Merge pull request #71 from AxTheB/master
[clinton/prusa3.git] / box_frame / z-axis.scad
index 0f65aff..48ac17a 100644 (file)
@@ -8,22 +8,23 @@
 
 include <configuration.scad>
 
-module zmotorholder(thickness=23, bottom_thickness=5){
+module zmotorholder(thickness=(i_am_box == 0 ? 38 : 23), bottom_thickness=5){
     difference(){
         union(){
             // Motor holding part
             difference(){
                 union(){
-                    zrodholder(thickness=thickness, xlen=45, ylen=45, zdelta=((i_want_to_use_single_plate_dxf_and_make_my_z_weaker == 0) ? 0 : 5));
+                    zrodholder(thickness=thickness, xlen=45, ylen=44, zdelta=((i_want_to_use_single_plate_dxf_and_make_my_z_weaker == 0) ? 0 : 5));
                     translate([board_to_xz_distance, board_to_xz_distance, 0]) {
-                        nema17(places=[0, 1, 1, 1], h=bottom_thickness + layer_height, $fn=23);
+                        nema17(places=[0, 1, 1, 1], h=bottom_thickness + layer_height, $fn=23, shadow=layer_height + 2);
                     }
                 }
 
                 // motor screw holes
                 translate([board_to_xz_distance, board_to_xz_distance, thickness]) {
                     mirror([0, 0, 1]) translate([0, 0, thickness-8])
-                        mirror([0, 0, 1]) nema17(places=[0, 1, 1, 1], holes=true, h=bottom_thickness + 1, shadow=-6 + layer_height);
+                        nema17(places=[0, 1, 1, 1], holes=true, h=bottom_thickness + 1, $fn=small_hole_segments);
+                        //shadow=-6 + layer_height);
                 }
             }
         }
@@ -31,72 +32,76 @@ module zmotorholder(thickness=23, bottom_thickness=5){
 }
 
 
-module zrodholder(thickness=15, bottom_thickness=5, ylen=42, xlen=34, zdelta=0){
+module zrodholder(thickness=(i_am_box == 0 ? 14 : 15), bottom_thickness=5, ylen=44, xlen=34, zdelta=0){
     holder_inner_r = 9;
+    holder_inner_r2 = 2;
     difference(){
         union(){
             difference(){
                 union(){
                     //piece along the flat side of a board
                     cube_fillet([14, ylen, bottom_thickness], vertical=[8, 3, 0, 0]);
-                    cube_fillet([5, ylen, thickness], vertical=[3, 3, 0, 0], top = [thickness/2, 0, 0, 5]);
+                    cube_fillet([5, ylen, thickness], vertical=[3, 3, 0, 0], top = [thickness / 1.7, 0, 0, 5]);
                     //hole for Z axis is thru this
                     cube_fillet([xlen, 14, bottom_thickness], vertical=[3, 0, 0, 3]);
-                    translate([14,14,0]) {
+                    translate([14, 14, 0]) {
                         //large fillet that makes it stiffer by lot. Thanks to Marcus Wolschon
                         difference(){
-                            cube([holder_inner_r,holder_inner_r,bottom_thickness]);
+                            cube([holder_inner_r, holder_inner_r, bottom_thickness]);
                             translate([holder_inner_r, holder_inner_r, -0.5])
                                 cylinder(r=holder_inner_r, h=bottom_thickness + 1);
                         }
                     }
+                    translate([5, 5, 0]) {
+                        difference(){
+                            cube([holder_inner_r2, holder_inner_r2, thickness - 5.5]);
+                            translate([holder_inner_r2, holder_inner_r2, -0.5])
+                                cylinder(r=holder_inner_r2, h=thickness + 1, $fn=20);
+                        }
+                    }
                     //piece along cut side of the board
                     if (i_am_box == 1) {
                         translate([-board_thickness, 0, 0])
-                            cube_fillet([board_thickness + board_to_xz_distance + bushing_z[0], 5, thickness], radius=2, top = [0, 0, 0, thickness]);
+                            cube_fillet([board_thickness + board_to_xz_distance + bushing_z[0], 5, thickness], radius=2, top = [0, 0, 0, thickness], $fn=99);
                     } else {
                         translate([-board_thickness/2, 0, 0])
-                            cube_fillet([board_thickness/2 + board_to_xz_distance + bushing_z[0], 5, thickness], radius=2, top = [0, 0, 0, thickness]);
+                            cube_fillet([board_thickness/2 + board_to_xz_distance + bushing_z[0], 5, thickness], radius=2, top = [0, 0, 0, thickness], $fn=99);
                     }
                     //smooth rod insert
-                    translate([board_to_xz_distance - z_delta, 9, 0]) intersection() {
-                        cylinder(h=bottom_thickness + layer_height, r=(bushing_z[0] + 5 * single_wall_width));
-                        if (bushing_z[0] < 5) {
-                            translate([0, -5 , bottom_thickness / 2]) cube([20, 20, bottom_thickness + 10], center=true);
-                        } else {
-                            translate([0, -bushing_z[0], bottom_thickness / 2]) cube([bushing_z[0] * 4, bushing_z[0] * 4, bottom_thickness + 10], center=true);
-                        }
-                    }
+                    translate([board_to_xz_distance - z_delta, 9, 0])
+                        cylinder(h=bottom_thickness / 2, r=(bushing_z[0] + 5 * single_wall_width));
                 }
                 //smooth rod hole
-                translate([board_to_xz_distance - z_delta, 9, -1]) cylinder_poly(h=board_thickness+20, r=bushing_z[0]);
-                // cutout
-                translate([board_to_xz_distance-1, 5+(bushing_z[0]), 0.4]) cube([2, 10, 100]);
+                translate([board_to_xz_distance - z_delta, 9, -1]) cylinder(h=board_thickness+20, r=bushing_z[0] + single_wall_width / 4);
                 //inside rouned corner
-                translate([0, 5, -1]) cylinder(r=1.2, h=100, $fn=8);
+                translate([0, 5, -1]) cylinder(r=0.8, h=100, $fn=8);
                 //side screw
                 //translate([-board_thickness/2, 0, thickness/2-1.5]) rotate([-90, 0, 0]) screw(h=30, r_head=4);
                 //front screws
                 if (i_am_box != 1) {
                     //single plate has both screws on front
                     translate([16, 35, bottom_thickness + 4.5 + zdelta]) rotate([0, -90, 0]) {
-                        screw(head_drop=14, h=122, r_head=4.5);
+                        plate_screw();
                     }
                     translate([16, 15, bottom_thickness + 4.5 + zdelta]) rotate([0, -90, 0]) {
-                        screw(head_drop=14, h=122, r_head=4.5);
+                        plate_screw();
+                    }
+                    //motor mount has third screw
+                    translate([16, 25, bottom_thickness + 4.5 + zdelta + 20]) rotate([0, -90, 0]) {
+                        plate_screw();
                     }
                 } else {
                     translate([16, 30, bottom_thickness+4]) rotate([0, -90, 0]) {
-                        screw(head_drop=12, h=122, r_head=4);
+                        plate_screw();
                     }
                     //side screw
-                    translate([-board_thickness/2, 0, thickness/2]) rotate([-90, 0, 0]) screw(h=30, r_head=4.5, head_drop=1);
+                    translate([-board_thickness/2, -11, thickness/2]) rotate([-90, 0, 0]) plate_screw();
                 }
             }
         }
     }
 }
-translate([0, -2, 0]) mirror([0, 1, 0]) zmotorholder();
-translate([0, 2, 0]) zmotorholder();
-translate([21, -62, 0]) zrodholder();
-translate([20, 62, 0]) mirror([0, 1, 0]) zrodholder();
+translate([10, -50, 0]) zmotorholder();
+translate([0, 50, 0]) mirror([0, 1, 0]) zmotorholder();
+translate([67, 14, 0]) rotate([0,0,90]) zrodholder();
+translate([77, -14, 0]) rotate([0, 0, -90]) mirror([0, 1, 0]) zrodholder();