djsundog/NopSCADlib
1
0
Fork 0
mirror of https://github.com/DJSundog/NopSCADlib.git synced 2025-02-25 03:54:10 -05:00
Code Issues Projects Releases Wiki Activity

Made the ground surfaces of steppers lighter.

Browse Source
This commit is contained in:
Chris Palmer 2020-04-02 19:54:30 +01:00
parent 7b3d7fab55
commit f5980b4703
3 changed files with 53 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

BIN
libtest.png
View File

Binary file not shown.
Side by Side Swipe Overlay

Before

Width:  |  Height:  |  Size: 774 KiB

After

Width:  |  Height:  |  Size: 775 KiB

BIN
tests/png/stepper_motors.png
View File

Binary file not shown.
Side by Side Swipe Overlay

Before

Width:  |  Height:  |  Size: 84 KiB

After

Width:  |  Height:  |  Size: 94 KiB

41
vitamins/stepper_motor.scad
View File

@ -42,6 +42,7 @@ function NEMA_big_hole(type) = NEMA_boss_radius(type) + 0.2; //! Clearance ho
stepper_body_colour = "black";
stepper_cap_colour = grey50;
stepper_machined_colour = grey90;
module NEMA_outline(type) //! 2D outline
intersection() {
@ -62,7 +63,19 @@ module NEMA(type, shaft_angle = 0) { //! Draw specified NEMA stepper motor
vitamin(str("NEMA(", type[0], "): Stepper motor NEMA", round(NEMA_width(type) / 2.54), " x ", length, "mm"));
thread_d = 3; // Is this always the case?
union() {
module cap_shape(end)
difference() {
intersection() {
square([side, side], center = true);
circle(NEMA_radius(type), $fn = 360);
}
if(end > 0)
for(x = NEMA_holes(type), y = NEMA_holes(type))
translate([x, y])
circle(d = thread_d);
}
color(stepper_body_colour) // black laminations
translate_z(-length / 2)
linear_extrude(length - cap * 2, center = true)
@ -72,24 +85,19 @@ module NEMA(type, shaft_angle = 0) { //! Draw specified NEMA stepper motor
circle(body_rad);
}
color(stepper_cap_colour) { // aluminium end caps
color(stepper_machined_colour) {
tube(or = boss_rad, ir = shaft_rad + 2, h = boss_height * 2); // raised boss
linear_extrude(eps)
cap_shape(true);
}
color(stepper_cap_colour) // aluminium end caps
for(end = [-1, 1])
translate_z(-length / 2 + end * (length - cap) / 2) {
translate_z(-length / 2 + end * (length - cap) / 2)
linear_extrude(cap, center = true)
difference() {
intersection() {
square([side, side], center = true);
circle(NEMA_radius(type));
}
if(end > 0)
for(x = NEMA_holes(type), y = NEMA_holes(type))
translate([x, y])
circle(d = thread_d);
}
}
}
cap_shape(end);
if(show_threads)
for(x = NEMA_holes(type), y = NEMA_holes(type))
translate([x, y, -cap / 2])
@ -99,7 +107,7 @@ module NEMA(type, shaft_angle = 0) { //! Draw specified NEMA stepper motor
translate_z(-5)
rotate(shaft_angle)
if(!is_list(shaft))
color(stepper_cap_colour)
color(stepper_machined_colour)
cylinder(r = shaft_rad, h = shaft + 5); // shaft
else
not_on_bom()
@ -112,7 +120,6 @@ module NEMA(type, shaft_angle = 0) { //! Draw specified NEMA stepper motor
color(["red", "blue","green","black"][i])
translate([1, 0, 0])
cylinder(r = 1.5 / 2, h = 12, center = true);
}
}
module NEMA_screw_positions(type, n = 4) { //! Positions children at the screw holes