Merge pull request #57 from AxTheB/master

Carriage length fix, chamfer

diff --git a/box_frame/bushing.scad b/box_frame/bushing.scad
index 4a2c678..0803ffc 100644 (file)
--- a/box_frame/bushing.scad
+++ b/box_frame/bushing.scad
@@ -128,8 +128,8 @@ module firm_foot(conf_b = conf_b_lm8uu){
         union() {
             translate([8.5/2,0,0]) cube_fillet([8.5, 42 + xy_delta * 2, 20], top=[11, 0, 11, 0], center=true);
         }
-        translate([9, 14.5 + xy_delta, 0]) rotate([0, -90, 0]) screw(head_drop=1);
-        translate([9,-14.5 - xy_delta, 0]) rotate([0,-90,0]) screw(head_drop=1);
+        translate([9, 14.5 + xy_delta, 0]) rotate([0, -90, 0]) screw(head_drop=1, $fn=small_hole_segments);
+        translate([9,-14.5 - xy_delta, 0]) rotate([0,-90,0]) screw(head_drop=1,$fn=small_hole_segments);
     }
 }
 

diff --git a/box_frame/extras/endstop-holder.scad b/box_frame/extras/endstop-holder.scad
index 7ff11c8..6f0eb26 100644 (file)
--- a/box_frame/extras/endstop-holder.scad
+++ b/box_frame/extras/endstop-holder.scad
@@ -24,7 +24,7 @@ module endstop(shaft_radius){
     outer_diameter = shaft_diameter/2+3.3;
     screw_hole_spacing = 20;
     screw_hole_spacing2 = 10;
-    opening_size = m8_diameter-1.5; //openingsize
+    opening_size = shaft_radius*2-1.5; //openingsize
 
     segments=64;
 
@@ -35,18 +35,18 @@ module endstop(shaft_radius){
                    translate([outer_diameter, outer_diameter, 0]) cylinder(h =10, r = outer_diameter, $fn = segments);
                    translate([outer_diameter, 0, 0]) cube([15.5,outer_diameter*2,10]);
                    translate([-30, 0, 0]) cube([40, 4, 10]);
-                   translate([17, 17.5, 5]) rotate([90, 0, 0]) cylinder(h =5, r = 5.77, $fn = 6);
+                   translate([17, 10+opening_size, 5]) rotate([90, 0, 0]) cylinder(h =5, r = 5.77, $fn = 6);
            }
 
 
 
 
            translate([9, outer_diameter-opening_size/2, 0]) cube([18,opening_size,20]);
-           translate([outer_diameter, outer_diameter, 0]) cylinder(h =20, r = shaft_radius, $fn = segments);
+           translate([outer_diameter, outer_diameter, 0]) cylinder(h =30, r = shaft_radius, $fn = segments);
 
            //Securing hole
-           translate([17, 17, 5]) rotate([90, 0, 0]) cylinder(h =20, r = m3_diameter/2, $fn = segments);
-           translate([17, 19.5, 5]) rotate([90, 0, 0]) cylinder(h =5, r = m3_nut_diameter_horizontal/2, $fn = 6);
+           translate([17, 20, 5]) rotate([90, 0, 0]) cylinder(h =20, r = m3_diameter/2, $fn = segments);
+           translate([17, 12+opening_size, 5]) rotate([90, 0, 0]) cylinder(h =5, r = m3_nut_diameter_horizontal/2, $fn = 6);
 
            translate([17, 17, 5]) rotate([90, 0, 0]) cylinder(h =20, r = m3_diameter/2, $fn = segments);
            // Endstop holders
@@ -58,6 +58,6 @@ module endstop(shaft_radius){
 }
 
 endstop(bushing_xy[0]);
-translate([0,20,0]) endstop(bushing_xy[0]);
-translate([0,40,0]) endstop(bushing_z[0]);
+translate([0,22,0]) endstop(bushing_xy[0]);
+translate([0,44,0]) endstop(bushing_z[0]);
 

diff --git a/box_frame/inc/functions.scad b/box_frame/inc/functions.scad
index 3e8b4ea..40ee477 100644 (file)
--- a/box_frame/inc/functions.scad
+++ b/box_frame/inc/functions.scad
@@ -143,9 +143,9 @@ module screw(h=20, r=2, r_head=3.5, head_drop=0, slant=i_am_box, poly=false, $fn
 
 module plate_screw(long=0) {
     if (i_am_box == 0) {
-        translate([0, 0, -long]) screw(head_drop=14 + long, h=20 + long, r_head=3.6, r=1.7, $fn=24, slant=false);
+        translate([0, 0, -long]) screw(head_drop=14 + long, h=30 + long, r_head=3.6, r=1.7, $fn=24, slant=false);
     } else {
-        translate([0, 0, -2 - long]) screw(head_drop=14 + long, h=20 + long, r_head=4.5, r=2, $fn=24, slant=true);
+        translate([0, 0, -2 - long]) screw(head_drop=14 + long, h=30 + long, r_head=4.5, r=2, $fn=24, slant=true);
     }
 }
 

diff --git a/box_frame/inc/metric.scad b/box_frame/inc/metric.scad
index aa5c94c..1051d50 100644 (file)
--- a/box_frame/inc/metric.scad
+++ b/box_frame/inc/metric.scad
@@ -24,7 +24,7 @@ m8_nut_diameter = 14.1;
 m4_diameter = 4.7;
 //iso4032 says 7.66
 m4_nut_diameter = 7.6;
-m4_nut_diameter_horizontal = 8;
+m4_nut_diameter_horizontal = 8.15;
 
 m3_diameter = 3.6;
 //iso4032 says 6.01

diff --git a/box_frame/y-belt-holder.scad b/box_frame/y-belt-holder.scad
index 35483d8..0b7b594 100644 (file)
--- a/box_frame/y-belt-holder.scad
+++ b/box_frame/y-belt-holder.scad
@@ -12,23 +12,24 @@ module y_belt_holder(len=42) {
     y_delta = i_am_box == 0 ? -2.5 : xy_delta;
     ybelt_hole_to_side = 5;
     real_len = len + 2 * ybelt_hole_to_side;
-
+    screw_hole_z_offset = i_am_box == 0 ? 0 : 4;
+    
     difference(){
         union(){
 
             translate([-21 - belt_thickness, -7, 0]) cube_fillet([13 + y_delta, 14, len], vertical=[3,0,0,0], fn=8 );
             translate([-14, -5.5, len / 2]) cube_fillet([24 + 2 * y_delta, 3, len], vertical=[3, 0, 0, 0], center = true);
-            translate([-24.5, 0, real_len / 2]) cube_fillet([8.5, 16, real_len], center = true, vertical = [1, 1, 1, 1], $fn=16);
+            translate([-24.5, 0, real_len / 2]) cube_fillet([11.5, 16, real_len], center = true, vertical = [1, 1, 1, 1], $fn=16);
             translate([-4.0 + y_delta, 0, len / 2]) cube_fillet([8, 14, len], center = true, vertical = [2,2,0,2]);
 
         }
         translate([-4.5 + y_delta, 0, real_len / 2]) cube([10, 10, 10], center = true);
         translate([-11, 0, ybelt_hole_to_side + len]) {
-            rotate([0, -90, 0]) plate_screw(20);
+            translate([screw_hole_z_offset,0,0]) rotate([0, -90, 0]) plate_screw(20);
             translate([8 + y_delta, 0, 0]) cube([10, 9, 9], center=true);
         }
         translate([-11, 0, ybelt_hole_to_side]) {
-            rotate([0, -90, 0]) plate_screw(20);
+            translate([screw_hole_z_offset,0,0]) rotate([0, -90, 0]) plate_screw(20);
             translate([8 + y_delta, 0, 0]) cube([10, 9, 9], center=true);
         }
 

diff --git a/box_frame/y-drivetrain.scad b/box_frame/y-drivetrain.scad
index d8ba4f3..8f2498d 100644 (file)
--- a/box_frame/y-drivetrain.scad
+++ b/box_frame/y-drivetrain.scad
@@ -34,8 +34,8 @@ module motorholder(thickness=10){
             translate([0, 20, 5]) cube([16, 20, thickness], center=true);
             translate([0, 30, 0]) cylinder(h = thickness, r=8);
         }
-        translate([0, 10, -1]) cylinder(h = 12, r=4.5);
-        translate([0, 30, -1]) cylinder(h = 12, r=4.5);
+        translate([0, 10, -1]) cylinder(h = 12, r=4.5, $fn=32);
+        translate([0, 30, -1]) cylinder(h = 12, r=4.5, $fn=32);
     }
 }
 
@@ -63,14 +63,14 @@ module idlermount(len=42, narrow_len=0, narrow_width=0, rod=threaded_rod_diamete
             }
         }
         translate([-12, -9, idler_height / 2]) rotate([90, 0, 90]) oval(r=rod + 0.01, l=12, h=25);
-        translate([0, -15 - single_wall_width, idler_height / 2]) {
+        translate([0, -15 - single_wall_width*2, idler_height / 2]) {
             //nut
-            rotate([90, 0, 0]) cylinder(r=m4_nut_diameter_horizontal / 2, h=3.3, $fn=6);
+            translate([0,0,0]) rotate([90, 0, 0]) cylinder(r=m4_nut_diameter_horizontal / 2, h=3.8, $fn=6);
             //nut insert
-            translate([0, -3.3, -m4_diameter * 1.5 / 2]) cube([20, 3.3, m4_diameter * 1.5]);
+            translate([-2, -3.8, -m4_diameter * 1.5 / 2]) cube([20, 3.8, m4_diameter * 1.5+0.3]);
         }
 
-        translate([0, -19, idler_height / 2]) rotate([90, 90, 0]) cylinder(r=m4_diameter / 2, h=15, $fn=7, center=true);
+        translate([0, -19, idler_height / 2]) rotate([90, 90, 0]) cylinder(r=m4_diameter / 2, h=15, $fn=small_hole_segments, center=true);
             translate([0, len + idler_bearing[2] - 33, idler_height / 2]) {
                 rotate([0, 90, 0]) idler_assy(idler_bearing);
                 translate([0, 10, 0]) cube([idler_width + 1, 20, idler_height + 2], center=true);