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Merge branch 'flanged_bearings' of https://github.com/martinbudden/NopSCADlib into martinbudden-flanged_bearings

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Chris Palmer
2022-01-29 14:01:20 +00:00
parent 762ff9cb43 f87f3f51ee
commit 89d2d2bb71
3 changed files with 54 additions and 26 deletions
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4
tests/ball_bearings.scad
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@@ -24,7 +24,7 @@ include <../vitamins/ball_bearings.scad>
module ball_bearings() module ball_bearings()
layout([for(b = ball_bearings) bb_diameter(b)]) layout([for(b = ball_bearings) bb_diameter(b)])
ball_bearing(ball_bearings[$i]) ball_bearing(ball_bearings[$i])
bearing_ball(3); if (bb_width(ball_bearings[$i]) >= 5)
bearing_ball(3);
if($preview) if($preview)
ball_bearings(); ball_bearings();

50
vitamins/ball_bearing.scad
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@@ -28,13 +28,16 @@
include <../utils/core/core.scad> include <../utils/core/core.scad>
include <../utils/tube.scad> include <../utils/tube.scad>
function bb_name(type) = type[0]; //! Part code without shield type suffix function bb_name(type) = type[0]; //! Part code without shield type suffix
function bb_bore(type) = type[1]; //! Internal diameter function bb_bore(type) = type[1]; //! Internal diameter
function bb_diameter(type) = type[2]; //! External diameter function bb_diameter(type) = type[2]; //! External diameter
function bb_width(type) = type[3]; //! Width function bb_width(type) = type[3]; //! Width
function bb_colour(type) = type[4]; //! Shield colour, "silver" for metal function bb_colour(type) = type[4]; //! Shield colour, "silver" for metal
function bb_rim(type) = type[5]; //! Outer rim thickness guesstimate function bb_rim(type) = type[5]; //! Outer rim thickness guesstimate
function bb_hub(type) = type[6]; //! Inner rim thickness guesstimate function bb_hub(type) = type[6]; //! Inner rim thickness guesstimate
function bb_flange_diameter(type) = type[7]; //! Flange diameter
function bb_flange_width(type) = type[8]; //! Flange width
module ball_bearing(type) { //! Draw a ball bearing module ball_bearing(type) { //! Draw a ball bearing
shield = bb_colour(type); shield = bb_colour(type);
@@ -45,32 +48,45 @@ module ball_bearing(type) { //! Draw a ball bearing
h = bb_width(type); h = bb_width(type);
or = bb_diameter(type) / 2; or = bb_diameter(type) / 2;
ir = bb_bore(type) / 2; ir = bb_bore(type) / 2;
fr = bb_flange_diameter(type) / 2;
fw = bb_flange_width(type);
color("silver") { color("silver") {
$fn = 360; $fn = 360;
rim_chamfer = rim / 6;
rotate_extrude() rotate_extrude()
hull() { hull() {
translate([or - rim, -h / 2 + rim_chamfer]) chamfer = rim / 6;
square([rim, h - 2 * rim_chamfer]); translate([or - rim, -h / 2 + chamfer])
square([rim, h - 2 * chamfer]);
translate([or - rim, -h / 2]) translate([or - rim, -h / 2])
square([rim - rim_chamfer, h]); square([rim - chamfer, h]);
} }
hub_chamfer = hub / 6; if (fr)
rotate_extrude()
hull() {
chamfer = fw / 6;
translate([or - rim, -h / 2 + chamfer])
square([fr - or + rim, fw - 2 * chamfer]);
translate([or - rim, -h / 2])
square([fr - or + rim - chamfer, fw]);
}
rotate_extrude() rotate_extrude()
hull() { hull() {
translate([ir, -h / 2 + hub_chamfer]) chamfer = hub / 6;
square([hub, h - 2 * hub_chamfer]); translate([ir, -h / 2 + chamfer])
square([hub, h - 2 * chamfer]);
translate([ir + hub_chamfer, -h / 2]) translate([ir + chamfer, -h / 2])
square([hub - hub_chamfer, h]); square([hub - chamfer, h]);
} }
} }
color(shield) tube(or - rim - eps, ir + hub + eps, h - 1); color(shield) tube(or - rim - eps, ir + hub + eps, h - (h < 5 ? 0.5 : 1));
if($children) if($children)
translate_z(bb_width(type) / 2) translate_z(bb_width(type) / 2)

26
vitamins/ball_bearings.scad
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@@ -16,12 +16,24 @@
// You should have received a copy of the GNU General Public License along with NopSCADlib. // You should have received a copy of the GNU General Public License along with NopSCADlib.
// If not, see <https://www.gnu.org/licenses/>. // If not, see <https://www.gnu.org/licenses/>.
// //
BBSMR95 = ["SMR95", 5, 9, 2.5, "silver", 0.5, 0.7]; // SMR95 ball bearing for FlexDrive extruder
BB624 = ["624", 4, 13, 5, "blue", 1.2, 1.2]; // 624 ball bearing for idlers
BB608 = ["608", 8, 22, 7, "OrangeRed", 1.4, 2.0]; // 608 bearings for wades // name id od w colour or ir fd fw
BB6200 = ["6200", 10, 30, 9, "black", 2.3, 3.6]; // 6200 bearings for KP pillow blocks BBSMR95 = ["SMR95", 5, 9, 2.5, "silver", 0.5, 0.7, 0, 0]; // SMR95 ball bearing for FlexDrive extruder
BB6201 = ["6201", 12, 32, 10, "black", 2.4, 3.7]; // 6201 bearings for KP pillow blocks BB624 = ["624", 4, 13, 5, "blue", 1.2, 1.2, 0, 0]; // 624 ball bearing for idlers
BB6808 = ["6808", 40, 52, 7, "black", 1.5, 1.6]; BB608 = ["608", 8, 22, 7, "black", 1.4, 2.0, 0, 0]; // 608 bearings for wades
ball_bearings = [BBSMR95, BB624, BB608, BB6200, BB6201, BB6808]; BB6200 = ["6200", 10, 30, 9, "black", 2.3, 3.6, 0, 0]; // 6200 bearings for KP pillow blocks
BB6201 = ["6201", 12, 32, 10, "black", 2.4, 3.7, 0, 0]; // 6201 bearings for KP pillow blocks
BB6808 = ["6808", 40, 52, 7, "black", 1.5, 1.6, 0, 0];
BBMR63 = ["MR63", 3, 6, 2.5, "silver", 0.5, 0.5, 0, 0];
BBMR83 = ["MR83", 3, 8, 3, "silver", 0.5, 0.5, 0, 0];
BBMR85 = ["MR85", 5, 8, 2.5, "silver", 0.5, 0.5, 0, 0];
BBMR93 = ["MR93", 3, 9, 4, "silver", 0.5, 0.5, 0, 0];
BBMR95 = ["MR95", 5, 9, 3, "silver", 0.5, 0.5, 0, 0];
BBF623 = ["F623", 3, 10, 4, "black", 0.6, 0.7, 11.5, 1];
BBF693 = ["F693", 3, 8, 3, "silver", 0.5, 0.7, 9.5, 0.7];
BBF695 = ["F695", 5, 13, 4, "silver", 1.0, 1.0, 15, 1];
ball_bearings = [BBF693, BBF623, BBF695, BBMR63, BBMR83, BBMR93, BBSMR95, BB624, BB608, BB6200, BB6201, BB6808];
use <ball_bearing.scad> use <ball_bearing.scad>