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Teddy Middleton-Smith
2025-02-25 12:13:03 +00:00
parent 3476f37b84
commit 659001351e
52 changed files with 1542 additions and 0 deletions
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models/common/compression_spring.scad Normal file
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// include <../../config.scad>;
module compression_spring(L_free, d_outer, d_inner, pitch) {
r_wire = (d_outer - d_inner) / 2;
r_mean = (d_outer + d_inner) / 4;
angle_rotation = 360 * L_free / pitch;
color("DimGray") union() {
difference() {
// spiral
linear_extrude(height = L_free - r_wire * 2, center = true, convexity = 10, twist = angle_rotation) translate([r_mean, 0, 0]) scale([1, 3, 1]) circle(r_wire);
// end blocks
}
// ring top
translate([0, 0, L_free / 2 - r_wire]) rotate_extrude(angle = 360) translate([r_mean, 0, 0]) circle(r_wire);
// ring bottom
translate([0, 0, -L_free / 2 + r_wire]) rotate_extrude(angle = 360) translate([r_mean, 0, 0]) circle(r_wire);
}
// Shopping
echo(str("Compression spring: Compression spring Φ", d_outer, "mm x ", d_inner, "mm x ", L_free, "mm - x1"));
}
// $fn = 20;
compression_spring(100, 25, 20, 10);