133 lines
8.4 KiB
OpenSCAD
133 lines
8.4 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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// Screws
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//
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include <nuts.scad>
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No2_pilot_radius = 1.7 / 2; // self tapper into ABS
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No4_pilot_radius = 2.0 / 2; // wood screw into soft wood
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No6_pilot_radius = 2.0 / 2; // wood screw into soft wood
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No8_pilot_radius = 2.5 / 2;
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No2_clearance_radius = 2.5 / 2;
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No4_clearance_radius = 3.5 / 2;
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No6_clearance_radius = 4.0 / 2;
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No8_clearance_radius = 4.5 / 2;
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M2_tap_radius = 1.6 / 2;
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M2_clearance_radius = 2.4 / 2;
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M2p5_tap_radius = 2.05 / 2;
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M2p5_clearance_radius= 2.8 / 2; // M2.5
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M3_tap_radius = 2.5 / 2;
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M3_clearance_radius = 3.3 / 2;
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M4_tap_radius = 3.3 / 2;
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M4_clearance_radius = 2.2;
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M5_tap_radius = 4.2 / 2;
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M5_clearance_radius = 5.3 / 2;
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M6_tap_radius = 5 / 2;
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M6_clearance_radius = 6.4 / 2;
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M8_tap_radius = 6.75 / 2;
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M8_clearance_radius = 8.4 / 2;
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// d h d h h s s m
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// e e i e e o o a
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// s a a a a c c x
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// c d m d d k k
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// r e e e t
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// i t t d h t t h
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// p y e i e r
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// t p r a i d a e
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// i e m g e f a
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// o e h p d
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// n t t t
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// e h
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// r
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//
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M2_cap_screw = ["M2_cap", "M2 cap", hs_cap, 2, 3.8, 2, 1.0, 1.5, 16, M2_washer, M2_nut, M2_tap_radius, M2_clearance_radius];
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M2p5_cap_screw = ["M2p5_cap", "M2.5 cap", hs_cap, 2.5, 4.5, 2.5, 1.1, 2.0, 17,M2p5_washer, M2p5_nut, M2p5_tap_radius, M2p5_clearance_radius];
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M3_cap_screw = ["M3_cap", "M3 cap", hs_cap, 3, 5.5, 3, 1.3, 2.5, 18, M3_washer, M3_nut, M3_tap_radius, M3_clearance_radius];
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M4_cap_screw = ["M4_cap", "M4 cap", hs_cap, 4, 7.0, 4, 2.0, 3.0, 20, M4_washer, M4_nut, M4_tap_radius, M4_clearance_radius];
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M5_cap_screw = ["M5_cap", "M5 cap", hs_cap, 5, 8.5, 5, 2.5, 4.0, 22, M5_washer, M5_nut, M5_tap_radius, M5_clearance_radius];
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M6_cap_screw = ["M6_cap", "M6 cap", hs_cap, 6, 10, 6, 3.3, 5.0, 24, M6_washer, M6_nut, M6_tap_radius, M6_clearance_radius];
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M8_cap_screw = ["M8_cap", "M8 cap", hs_cap, 8, 13, 8, 4.3, 6.0, 28, M8_washer, M8_nut, M8_tap_radius, M8_clearance_radius];
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M2_cs_cap_screw = ["M2_cs_cap","M2 cs cap", hs_cs_cap,2, 3.8, 0, 0.65,1.3, 16, M2_washer, M2_nut, M2_tap_radius, M2_clearance_radius];
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M3_cs_cap_screw = ["M3_cs_cap","M3 cs cap", hs_cs_cap,3, 6.0, 0, 1.05,2.0, 18, M3_washer, M3_nut, M3_tap_radius, M3_clearance_radius];
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M4_cs_cap_screw = ["M4_cs_cap","M4 cs cap", hs_cs_cap,4, 8.0, 0, 1.49,2.5, 20, M4_washer, M4_nut, M4_tap_radius, M4_clearance_radius];
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M5_cs_cap_screw = ["M5_cs_cap","M5 cs cap", hs_cs_cap,5,10.0, 0, 3.00,3.0, 22, M5_washer, M5_nut, M5_tap_radius, M5_clearance_radius];
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M2_dome_screw = ["M2_dome", "M2 dome", hs_dome, 2, 3.5, 1.3, 0.6, 1.3, 16, M2_washer, M2_nut, M2_tap_radius, M2_clearance_radius];
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M3_dome_screw = ["M3_dome", "M3 dome", hs_dome, 3, 5.7, 1.65, 1.04,2.0, 18, M3_washer, M3_nut, M3_tap_radius, M3_clearance_radius];
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M4_dome_screw = ["M4_dome", "M4 dome", hs_dome, 4, 7.6, 2.2, 1.3, 2.5, 20, M4_washer, M4_nut, M4_tap_radius, M4_clearance_radius];
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M2p5_pan_screw = ["M2p5_pan", "M2.5 pan", hs_pan, 2.5, 4.7, 1.7, 0, 0, 0, M2p5_washer, M2p5_nut, M2p5_tap_radius, M2p5_clearance_radius];
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M3_pan_screw = ["M3_pan", "M3 pan", hs_pan, 3, 5.4, 2.0, 0, 0, 0, M3_washer, M3_nut, M3_tap_radius, M3_clearance_radius];
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M4_pan_screw = ["M4_pan", "M4 pan", hs_pan, 4, 7.8, 3.3, 0, 0, 0, M4_washer, M4_nut, M4_tap_radius, M4_clearance_radius];
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M5_pan_screw = ["M5_pan", "M5 pan", hs_pan, 5, 10, 3.95, 0, 0, 0, M5_washer, M5_nut, M5_tap_radius, M5_clearance_radius];
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M6_pan_screw = ["M6_pan", "M6 pan", hs_pan, 6, 12, 4.75, 0, 0, 0, M6_washer, M6_nut, M6_tap_radius, M6_clearance_radius];
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No632_pan_screw = ["No632_pan", "6-32 pan", hs_pan, 3.5, 6.9, 2.5, 0, 0, 0, M4_washer, false, No6_pilot_radius, No6_clearance_radius];
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M3_hex_screw = ["M3_hex", "M3 hex", hs_hex, 3, 6.4, 2.125, 0, 0, 0, M3_washer, M3_nut, M3_tap_radius, M3_clearance_radius];
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M4_hex_screw = ["M4_hex", "M4 hex", hs_hex, 4, 8.1, 2.925, 0, 0, 0, M4_washer, M4_nut, M4_tap_radius, M4_clearance_radius];
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M5_hex_screw = ["M5_hex", "M5 hex", hs_hex, 5, 9.2, 3.65, 0, 0, 0, M5_washer, M5_nut, M5_tap_radius, M5_clearance_radius];
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M6_hex_screw = ["M6_hex", "M6 hex", hs_hex, 6,11.5, 4.15, 0, 0, 0, M6_washer, M6_nut, M6_tap_radius, M6_clearance_radius];
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M8_hex_screw = ["M8_hex", "M8 hex", hs_hex, 8, 15, 5.65, 0, 0, 22, M8_washer, M8_nut, M8_tap_radius, M8_clearance_radius];
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M3_low_cap_screw = ["M3_low_cap", "M3 low cap", hs_cap, 3, 5.5, 2, 1.5, 2.0, 18, M3_washer, M3_nut, M3_tap_radius, M3_clearance_radius];
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M3_grub_screw = ["M3_grub", "M3 grub", hs_grub, 3, 0, 0, 2.5, 1.5, 0, M3_washer, M3_nut, M3_tap_radius, M3_clearance_radius];
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M4_grub_screw = ["M4_grub", "M4 grub", hs_grub, 4, 0, 0, 2.4, 2.5, 0, M4_washer, M4_nut, M4_tap_radius, M4_clearance_radius];
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No2_screw = ["No2", "No2 pan wood", hs_pan, 2.2, 4.2, 1.7, 0, 0, 0, M2p5_washer, false, No2_pilot_radius, No2_clearance_radius];
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No4_screw = ["No4", "No4 pan wood", hs_pan, 3.0, 5.5, 2.0, 0, 0, 0 ,M3p5_washer, false, No4_pilot_radius, No4_clearance_radius];
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No6_screw = ["No6", "No6 pan wood", hs_pan, 3.5, 6.7, 2.2, 0, 0, 0 , M4_washer, false, No6_pilot_radius, No6_clearance_radius];
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No6_cs_screw = ["No6_cs", "No6 cs wood", hs_cs, 3.5, 7.0, 0, 0, 0, 0, M4_washer, false, No6_pilot_radius, No6_clearance_radius];
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screw_lists = [
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[ M2_cap_screw, M2p5_cap_screw, M3_cap_screw, M4_cap_screw, M5_cap_screw, M6_cap_screw, M8_cap_screw],
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[ 0, 0, M3_low_cap_screw],
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[ M2_cs_cap_screw, 0, M3_cs_cap_screw, M4_cs_cap_screw, M5_cs_cap_screw],
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[ M2_dome_screw, 0, M3_dome_screw, M4_dome_screw],
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[ 0, 0, M3_hex_screw, M4_hex_screw, M5_hex_screw, M6_hex_screw, M8_hex_screw],
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[ 0, M2p5_pan_screw, M3_pan_screw, M4_pan_screw, M5_pan_screw, M6_pan_screw, No632_pan_screw],
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[ No2_screw, 0, No4_screw, No6_screw, No6_cs_screw],
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[ 0, 0, M3_grub_screw, M4_grub_screw]
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];
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use <screw.scad>
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screws = [for(list = screw_lists) each list];
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function find_screw(type, size, i = 0) =
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i >= len(screws) ? undef
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: screw_head_type(screws[i]) == type && screw_radius(screws[i]) == size / 2 ? screws[i]
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: find_screw(type, size, i + 1);
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function alternate_screw(type, screw) =
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let(alt_screw = find_screw(type, screw_radius(screw) * 2))
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alt_screw ? alt_screw :screw;
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