slight tweaks to 3d files

hardware/config.scad

@@ -82,7 +82,7 @@ axis_hole_diameter = axis_diameter + screw_gap;
 
 // MR115 2RS
 bearing_inner = axis_diameter;
-bearing_outer = 11.0 + 0.1;
+bearing_outer = 11.0 + screw_gap;
 bearing_height = 4.0;
 
 belt_length = 200;

hardware/fuellfix.scad

@@ -3,12 +3,12 @@ use <table.scad>;
 use <gearbox.scad>;
 use <common.scad>;
 
-draw_assembly = true;
+draw_assembly = false;
 
 module print() {
     for (i = [1 : 4])
     translate([0, (i - 2) * (real_belt_pulley_dia + 20), 0])
-    belt_pulley(teethcount, real_belt_pulley_dia);
+    belt_pulley(teethcount, real_belt_pulley_dia, i < 3);
     
     translate([y_carriage_x + real_belt_pulley_dia, 0, y_carriage_h])
     rotate([0, 180, 0])
@@ -69,7 +69,9 @@ echo(); echo(); echo();
 if (draw_assembly) {
     fuellfix_assembly();
 } else {
-    print();
+    //belt_pulley(teethcount, real_belt_pulley_dia, 0);
+    x_carriage_holder();
+    //print();
 }
     
 echo(); echo(); echo();

hardware/table.scad

@@ -38,17 +38,24 @@ module belt_pulley(tc, dia, for_motor = 1) {
             // motor shaft hole
             translate([0, 0, -1])
             cylinder(d = belt_pulley_axis_hole, h = belt_pulley_width + 2);
+        
+            // grub screw
+            for (i = [0, 90])
+            translate([0, 0, belt_pulley_width / 2])
+            rotate([90, 0, i])
+            cylinder(d = belt_pulley_fix_dia, h = dia / 2 + 1);
         } else {
             // bearing hole
             translate([0, 0, -1])
             cylinder(d = bearing_outer, h = belt_pulley_width + 2);
-        }
         
-        // grub screw
-        for (i = [0, 90])
-        translate([0, 0, belt_pulley_width / 2])
-        rotate([90, 0, i])
-        cylinder(d = belt_pulley_fix_dia, h = dia / 2 + 1);
+            // grub screw
+            for (i = [0, 90, 180, 270])
+            translate([0, 0, (i > 90 ? 1 : -1) * 2])
+            translate([0, 0, belt_pulley_width / 2])
+            rotate([90, 0, i])
+            cylinder(d = belt_pulley_fix_dia, h = dia / 2 + 1);
+        }
     }
 }
 
@@ -303,7 +310,15 @@ module y_carriage(axis = 0) {
 
     color("green")
     difference() {
-        cube([y_carriage_x, y_carriage_y, y_carriage_h]);
+        union() {
+            cube([y_carriage_x, y_carriage_y, y_carriage_h]);
+            
+            translate([y_carriage_x / 2, y_carriage_y / 2, 0])
+            for (i = [-1, 1])
+            translate([0, i * (y_carriage_y + belt_mount_depth) / 2, 0])
+            scale([1, -i, 1])
+            belt_mount(y_carriage_h);
+        }
         
         translate([y_carriage_x / 2, y_carriage_y / 2, 0])
         plate_holes(y_carriage_h);
@@ -330,15 +345,6 @@ module y_carriage(axis = 0) {
     
     %translate([y_carriage_x / 2, y_carriage_y / 2, y_carriage_h])
     y_carriage_posts();
-    
-    color("green")
-    translate([y_carriage_x / 2, -belt_mount_depth / 2, 0])
-    belt_mount(y_carriage_h);
-    
-    color("green")
-    translate([y_carriage_x / 2, y_carriage_y + belt_mount_depth / 2, 0])
-    scale([1, -1, 1])
-    belt_mount(y_carriage_h);
 }
 
 module y_axis() {
@@ -479,10 +485,11 @@ module xy_table() {
 //y_carriage_post();
 //x_carriage_holder();
 
-//y_carriage(0);
+translate([0, -50, 0])
+y_carriage(0);
 //y_carriage(1);
 //y_carriage(2);
-x_carriage();
+//x_carriage();
 
 //y_axis();
 //x_axis();