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poster-tube-lid: inttroduce top_minthick_by_oring
author
Ian Jackson
<ijackson@chiark.greenend.org.uk>
Mon, 9 Oct 2017 01:31:17 +0000
(
02:31
+0100)
committer
Ian Jackson
<ijackson@chiark.greenend.org.uk>
Mon, 9 Oct 2017 01:31:17 +0000
(
02:31
+0100)
poster-tube-lid.scad
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diff --git
a/poster-tube-lid.scad
b/poster-tube-lid.scad
index c5b1e8fc45e5cf84b2ff21838b97f31f0e873107..68bb15e439c1417e2f2e48b48eec5a357df483a8 100644
(file)
--- a/
poster-tube-lid.scad
+++ b/
poster-tube-lid.scad
@@
-1,7
+1,8
@@
// -*- C -*-
main_dia = 71.2 + 0.50 - 2.26;
// -*- C -*-
main_dia = 71.2 + 0.50 - 2.26;
-top_thick = 4;
+top_minthick_middle = 4;
+top_minthick_by_oring = 2.5;
main_cnr = 4.0;
main_cnr = 4.0;
@@
-61,6
+62,9
@@
seal_thick = oring_y_rad * (1 + cos(oring_upper_embed_angle));
side_height = rivet_posn + bayo_behind + rivet_thick/2;
side_thick = rivet_tall + over_rivet_wall;
side_height = rivet_posn + bayo_behind + rivet_thick/2;
side_thick = rivet_tall + over_rivet_wall;
+top_thick = max(top_minthick_middle,
+ top_minthick_by_oring + oring_y_rad);
+
top_z = top_thick + seal_thick;
bayo_entry = bayo_behind / 3.0;
top_z = top_thick + seal_thick;
bayo_entry = bayo_behind / 3.0;