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fix pitch=0

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This commit is contained in:
Adrian Mariano 2023-05-23 23:16:22 -04:00
parent 0768e3f96d
commit 511119bf52
1 changed files with 2 additions and 2 deletions
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4
threading.scad
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@ -543,7 +543,7 @@ module trapezoidal_threaded_rod(
) { ) {
dummy0 = assert(num_defined([thread_angle,flank_angle])<=1, "Cannot define both flank angle and thread angle"); dummy0 = assert(num_defined([thread_angle,flank_angle])<=1, "Cannot define both flank angle and thread angle");
thread_angle = first_defined([thread_angle, u_mul(2,flank_angle), 30]); thread_angle = first_defined([thread_angle, u_mul(2,flank_angle), 30]);
dummy1 = assert(all_positive(pitch),"Must give a positive pitch value") dummy1 = assert(all_nonnegative(pitch),"Must give a positive pitch value")
assert(thread_angle>=0 && thread_angle<180, "Invalid thread angle or flank angle") assert(thread_angle>=0 && thread_angle<180, "Invalid thread angle or flank angle")
assert(thread_angle<=90 || all_positive([thread_depth]), assert(thread_angle<=90 || all_positive([thread_depth]),
"Thread angle (2*flank_angle) must be smaller than 90 degrees with default thread depth of pitch/2"); "Thread angle (2*flank_angle) must be smaller than 90 degrees with default thread depth of pitch/2");
@ -672,7 +672,7 @@ module trapezoidal_threaded_nut(
) { ) {
dummy0 = assert(num_defined([thread_angle,flank_angle])<=1, "Cannot define both flank angle and thread angle"); dummy0 = assert(num_defined([thread_angle,flank_angle])<=1, "Cannot define both flank angle and thread angle");
thread_angle = first_defined([thread_angle, u_mul(2,flank_angle), 30]); thread_angle = first_defined([thread_angle, u_mul(2,flank_angle), 30]);
dummy1 = assert(all_positive(pitch),"Must give a positive pitch value") dummy1 = assert(all_nonnegative(pitch),"Must give a positive pitch value")
assert(thread_angle>=0 && thread_angle<180, "Invalid thread angle or flank angle") assert(thread_angle>=0 && thread_angle<180, "Invalid thread angle or flank angle")
assert(thread_angle<=90 || all_positive([thread_depth]), assert(thread_angle<=90 || all_positive([thread_depth]),
"Thread angle (2*flank_angle) must be smaller than 90 degrees with default thread depth of pitch/2"); "Thread angle (2*flank_angle) must be smaller than 90 degrees with default thread depth of pitch/2");