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80 lines
2.9 KiB
OpenSCAD
80 lines
2.9 KiB
OpenSCAD
//
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// NopSCADlib Copyright Chris Palmer 2018
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// nop.head@gmail.com
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// hydraraptor.blogspot.com
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//
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// This file is part of NopSCADlib.
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//
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// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
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// GNU General Public License as published by the Free Software Foundation, either version 3 of
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// the License, or (at your option) any later version.
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//
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// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along with NopSCADlib.
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// If not, see <https://www.gnu.org/licenses/>.
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//
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//
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//! Steel rods and studding with chamfered ends.
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//!
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//! These items are sysmtrical, so by default the origin is in the centre but it can be changed to the bottom.
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//
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include <../utils/core/core.scad>
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use <../utils/thread.scad>
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rod_colour = grey(80);
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studding_colour = grey(70);
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leadscrew_colour = grey(70);
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module rod(d , l, center = true) { //! Draw a smooth rod with specified diameter and length
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vitamin(str("rod(", d, ", ", l, "): Smooth rod ", d, "mm x ", l, "mm"));
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chamfer = d / 10;
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color(rod_colour)
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translate_z(center ? 0 : l / 2)
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hull() {
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cylinder(d = d, h = l - 2 * chamfer, center = true);
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cylinder(d = d - 2 * chamfer, h = l, center = true);
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}
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}
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module studding(d , l, center = true) { //! Draw a threaded rod with specified diameter and length
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vitamin(str("studding(", d, ", ", l,"): Threaded rod M", d, " x ", l, "mm"));
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chamfer = d / 20;
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pitch = metric_coarse_pitch(d);
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translate_z(center ? 0 : l / 2)
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if(show_threads && pitch)
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male_metric_thread(d, pitch, l, colour = rod_colour);
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else
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color(studding_colour)
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hull() {
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cylinder(d = d, h = l - 2 * chamfer, center = true);
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cylinder(d = d - 2 * chamfer, h = l, center = true);
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}
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}
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module leadscrew(d , l, lead, starts, center = true) { //! Draw a leadscrew with specified diameter, length, lead and number of starts
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vitamin(str("leadscrew(", d, ", ", l, ", ", lead, ", ", starts, "): Leadscrew ", d, " x ", l, "mm, ", lead, "mm lead, ", starts, " starts"));
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pitch = lead / starts;
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chamfer = pitch / 2;
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translate_z(center ? 0 : l / 2)
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if(show_threads && pitch)
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thread(d - pitch, lead, l, thread_profile(pitch / 2, pitch * 0.366, 30), top = 45, bot = 45, starts = starts, colour = rod_colour);
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else
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color(leadscrew_colour)
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hull() {
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cylinder(d = d, h = l - 2 * chamfer, center = true);
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cylinder(d = d - 2 * chamfer, h = l, center = true);
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}
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}
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