mirror of
https://github.com/DJSundog/NopSCADlib.git
synced 2024-11-27 09:10:02 -05:00
ab592e049c
anywhere else. utils/core/core.scad is the old version without fasteners to be used internally in the library.
119 lines
4.3 KiB
OpenSCAD
119 lines
4.3 KiB
OpenSCAD
//
|
|
// NopSCADlib Copyright Chris Palmer 2020
|
|
// nop.head@gmail.com
|
|
// hydraraptor.blogspot.com
|
|
//
|
|
// This file is part of NopSCADlib.
|
|
//
|
|
// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
|
|
// GNU General Public License as published by the Free Software Foundation, either version 3 of
|
|
// the License, or (at your option) any later version.
|
|
//
|
|
// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
|
|
// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
// See the GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License along with NopSCADlib.
|
|
// If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
//
|
|
//! KP pillow block bearings
|
|
//
|
|
include <../core.scad>
|
|
|
|
use <../utils/tube.scad>
|
|
use <washer.scad>
|
|
use <ball_bearing.scad>
|
|
|
|
kp_pillow_block_color = grey70;
|
|
|
|
function kp_diameter(type) = type[1]; //! Rod hole diameter
|
|
function kp_hole_offset(type) = type[2]; //! Rod hole offset
|
|
function kp_size(type) = [type[3],type[8],type[5]]; //! Size of bracket
|
|
function kp_base_height(type) = type[7]; //! Height of base containing the bolts
|
|
function kp_screw_separation(type) = type[4]; //! Separation of bolts in the base
|
|
|
|
|
|
module kp_pillow_block(type) { //! Draw the KP pillow block
|
|
vitamin(str("kp_pillow_block(", type[0], "): ", type[0], " pillow block"));
|
|
|
|
d = kp_diameter(type);
|
|
H = kp_hole_offset(type);
|
|
L = kp_size(type)[0];
|
|
J = kp_screw_separation(type);
|
|
A = kp_size(type)[2];// sizeZ, includes protruding center
|
|
N = type[6];
|
|
H1 = kp_base_height(type);
|
|
H0 = kp_size(type)[1];
|
|
K = type[9];
|
|
S = type[10];
|
|
b = type[11];
|
|
bolthole_radius = type[12];
|
|
|
|
color(kp_pillow_block_color)
|
|
translate([0, -H, 0]) {
|
|
fillet = 1;
|
|
squareSizeX = (L - H0) / 2 + fillet;
|
|
rotate([-90, 0, 0])
|
|
linear_extrude(H1)
|
|
difference() {
|
|
union() {
|
|
for(i = [-L / 2, L / 2 - squareSizeX])
|
|
translate([i, -A / 2])
|
|
rounded_square([squareSizeX, A], fillet, center = false);
|
|
}
|
|
for(i = [-J / 2, J / 2])
|
|
translate([i, 0])
|
|
circle(r = bolthole_radius);
|
|
}
|
|
|
|
translate_z(-A / 2) {
|
|
for(x = [- L / 2 + squareSizeX - fillet, L / 2 - squareSizeX + fillet - 2])
|
|
translate([x, 0, 0])
|
|
cube([2, H, A]);
|
|
translate([0 , H, 0])
|
|
tube(H0 / 2, b / 2, A, center = false);
|
|
}
|
|
stripThickness = 4;
|
|
translate([-H0 / 2, 0, -stripThickness / 2])
|
|
linear_extrude(stripThickness) difference() {
|
|
square([H0, H]);
|
|
translate([H0 / 2, H])
|
|
circle(b / 2);
|
|
}
|
|
}
|
|
|
|
not_on_bom() no_explode()
|
|
ball_bearing(type[13]);
|
|
}
|
|
|
|
module kp_pillow_block_hole_positions(type) { //! Place children at hole positions
|
|
for(x = [-kp_screw_separation(type), kp_screw_separation(type)])
|
|
translate([x / 2, kp_base_height(type) - kp_hole_offset(type), 0])
|
|
rotate([-90,0,0])
|
|
children();
|
|
}
|
|
|
|
module kp_pillow_block_assembly(type, part_thickness = 2, screw_type = M5_cap_screw, nut_type = undef) { //! Assembly with fasteners in place
|
|
kp_pillow_block(type);
|
|
|
|
screw_washer_thickness = washer_thickness(screw_washer(screw_type));
|
|
nut_type = is_undef(nut_type) ? screw_nut(screw_type) : nut_type;
|
|
nut_washer_type = nut_washer(nut_type);
|
|
nut_washer_thickness = nut_washer_type ? washer_thickness(nut_washer_type) : 0;
|
|
|
|
nut_offset = kp_base_height(type) + part_thickness;
|
|
screw_length = screw_shorter_than(nut_offset + screw_washer_thickness + nut_thickness(nut_type) + nut_washer_thickness);
|
|
|
|
kp_pillow_block_hole_positions(type) {
|
|
screw_and_washer(screw_type, screw_length);
|
|
|
|
translate_z(-nut_offset)
|
|
vflip()
|
|
if(nut_washer_type)
|
|
nut_and_washer(nut_type);
|
|
else
|
|
sliding_t_nut(nut_type);
|
|
}
|
|
}
|