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Can now force fan screws to be the full depth and nuts then get washers.

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This commit is contained in:
Chris Palmer
2019-10-22 16:21:05 +01:00
parent 9f27f26894
commit ad62ce362c
3 changed files with 20 additions and 16 deletions
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22
vitamins/fan.scad
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@@ -147,11 +147,16 @@ module fan_holes(type, poly = false, screws = true, h = 100) { //! Make all the
}
}
function nut_and_washer_thickness(screw, nyloc) = washer_thickness(screw_washer(screw)) + nut_thickness(screw_nut(screw), nyloc);
function fan_screw_depth(type) = fan_boss_d(type) ? fan_depth(type) : fan_thickness(type);
function fan_screw_length(type, thickness) = screw_longer_than(thickness + fan_screw_depth(type) + nut_and_washer_thickness(fan_screw(type), true)); //! Screw length required
function fan_screw_depth(type, full_depth = false) = fan_boss_d(type) || full_depth ? fan_depth(type) : fan_thickness(type);
module fan_assembly(type, thickness, include_fan = true, screw = false) { //! Fan with its fasteners
function fan_screw_length(type, thickness, full_depth = false) =
let(depth = fan_screw_depth(type, full_depth),
washers = depth == fan_depth(type) ? 2 : 1,
washer = screw_washer(fan_screw(type)),
nut = screw_nut(fan_screw(type)))
screw_longer_than(thickness + depth + washer_thickness(washer) * washers + nut_thickness(nut, true)); //! Screw length required
module fan_assembly(type, thickness, include_fan = true, screw = false, full_depth = false) { //! Fan with its fasteners
translate_z(-fan_depth(type) / 2) {
if(include_fan)
fan(type);
@@ -160,11 +165,14 @@ module fan_assembly(type, thickness, include_fan = true, screw = false) { //! Fa
nut = screw_nut(Screw);
fan_hole_positions(type) {
translate_z(thickness)
screw_and_washer(Screw, fan_screw_length(type, thickness));
screw_and_washer(Screw, fan_screw_length(type, thickness, full_depth));
translate_z(include_fan ? -fan_screw_depth(type) : 0)
translate_z(include_fan ? -fan_screw_depth(type, full_depth) : 0)
vflip()
nut(nut, true);
if(fan_screw_depth(type, full_depth) == fan_depth(type))
nut_and_washer(nut, true);
else
nut(nut, true);
}
}
}