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Fixed thread pitch.

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This commit is contained in:
Chris Palmer
2023-04-23 17:15:02 +01:00
parent 61f1dcc509
commit 05d16841c4
1 changed files with 3 additions and 3 deletions
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6
vitamins/screw.scad
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@@ -41,7 +41,7 @@ function screw_washer(type) = type[9]; //! Default washer
function screw_nut(type) = type[10]; //! Default nut
function screw_pilot_hole(type) = type[11]; //! Pilot hole radius for wood screws, tap radius for machine screws
function screw_clearance_radius(type) = type[12]; //! Clearance hole radius
function screw_thread_diameter(type) = type[13]; //! Thread diamter, if different from nominal diamter
function screw_thread_diameter(type) = type[13]; //! Thread diameter, if different from nominal diamter
function screw_nut_radius(type) = screw_nut(type) ? nut_radius(screw_nut(type)) : 0; //! Radius of matching nut
function screw_boss_diameter(type) = max(washer_diameter(screw_washer(type)) + 1, 2 * (screw_nut_radius(type) + 3 * extrusion_width)); //! Boss big enough for nut trap and washer
function screw_head_depth(type, d = 0) = //! How far a counter sink head will go into a straight hole diameter d
@@ -100,7 +100,7 @@ module screw(type, length, hob_point = 0, nylon = false) { //! Draw specified sc
: length
: length;
thread_offset = is_undef(screw_thread_diameter(type)) ? 0 : thread;
d = 2 * screw_radius(type);
d = 2 * (thread_rad + eps);
pitch = metric_coarse_pitch(d);
colour = nylon || head_type == hs_grub ? grey(40) : grey(80);
@@ -110,7 +110,7 @@ module screw(type, length, hob_point = 0, nylon = false) { //! Draw specified sc
if(show_threads && !point && pitch)
translate_z(-length - thread_offset)
male_metric_thread(2 * thread_rad, pitch, thread - (shank > 0 || headless ? 0 : socket), false, top = headless ? -1 : 0, solid = !headless, colour = colour);
male_metric_thread(d, pitch, thread - (shank > 0 || headless ? 0 : socket), false, top = headless ? -1 : 0, solid = !headless, colour = colour);
else
color(colour * 0.9)
rotate_extrude() {