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Add threads for PG electrical thread
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polyfloyd committed Jul 26, 2024
1 parent 3830919 commit aac586a
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1 change: 1 addition & 0 deletions Makefile
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Expand Up @@ -6,6 +6,7 @@ design: clean
cat design/PCO_thread.csv | awk -f design/PCO_thread.awk >> design/THREAD_TABLE.csv
cat design/UIS_thread.csv | awk -f design/UIS_thread.awk >> design/THREAD_TABLE.csv
cat design/microscope_thread.csv | awk -f design/microscope_thread.awk >> design/THREAD_TABLE.csv
cat design/PG_electrical_thread.csv | awk -f design/PG_electrical_thread.awk >> design/THREAD_TABLE.csv
cat design/THREAD_TABLE.csv | awk -f design/autogenerate.awk > THREAD_TABLE.scad

.PHONY: test
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23 changes: 22 additions & 1 deletion THREAD_TABLE.scad
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@@ -1,7 +1,8 @@
/* This script is auto-generated - do not edit
:License: 3-clause BSD. See LICENSE. */

THREAD_TABLE = [["G1/16-ext", [0.907, 3.1631, 6.3625, [[0, -0.4252], [0, 0.4252], [0.5710, 0.1279], [0.5710, -0.1279]]]],
THREAD_TABLE = [
["G1/16-ext", [0.907, 3.1631, 6.3625, [[0, -0.4252], [0, 0.4252], [0.5710, 0.1279], [0.5710, -0.1279]]]],
["G1/16-int", [0.907, -3.9789, 7.9215, [[0, 0.4252], [0, -0.4252], [0.5540, -0.1368], [0.5540, 0.1368]]]],
["G1/8-ext", [0.907, 4.1656, 8.3675, [[0, -0.4252], [0, 0.4252], [0.5710, 0.1279], [0.5710, -0.1279]]]],
["G1/8-int", [0.907, -4.9814, 9.9265, [[0, 0.4252], [0, -0.4252], [0.5540, -0.1368], [0.5540, 0.1368]]]],
Expand Down Expand Up @@ -1901,4 +1902,24 @@ THREAD_TABLE = [["G1/16-ext", [0.907, 3.1631, 6.3625, [[0, -0.4252], [0, 0.4252]
["32-UN-13/16-int", [0.79375, -10.3492, 20.6914, [[0, 0.3473], [0, -0.3473], [0.4296, -0.0992], [0.4296, 0.0992]]]],
["RMS-ext", [0.7056, 9.5829, 19.1859, [[0.0, -0.3274], [0.0, 0.3273], [0.4932, 0.0706], [0.4932, -0.0706]]]],
["RMS-int", [0.7055, -10.3042, 20.5085, [[0.0, 0.2630], [0.0, -0.2630], [0.4808, -0.0127], [0.4808, 0.0127]]]],
["PG7-ext", [1.27, 5.640000, 11.280000, [[0, -0.5797], [0, 0.5797], [0.7568, 0.0757], [0.7568, -0.0757]]]],
["PG7-int", [1.27, -6.250000, 12.500000, [[0, 0.5797], [0, -0.5797], [0.7568, -0.0757], [0.7568, 0.0757]]]],
["PG9-ext", [1.4112, 6.930000, 13.860000, [[0, -0.6441], [0, 0.6441], [0.8408, 0.0841], [0.8408, -0.0841]]]],
["PG9-int", [1.4112, -7.600000, 15.200000, [[0, 0.6441], [0, -0.6441], [0.8408, -0.0841], [0.8408, 0.0841]]]],
["PG11-ext", [1.4112, 8.630000, 17.260000, [[0, -0.6441], [0, 0.6441], [0.8408, 0.0841], [0.8408, -0.0841]]]],
["PG11-int", [1.4112, -9.300000, 18.600000, [[0, 0.6441], [0, -0.6441], [0.8408, -0.0841], [0.8408, 0.0841]]]],
["PG13.5-ext", [1.4112, 9.530000, 19.060000, [[0, -0.6441], [0, 0.6441], [0.8408, 0.0841], [0.8408, -0.0841]]]],
["PG13.5-int", [1.4112, -10.200000, 20.400000, [[0, 0.6441], [0, -0.6441], [0.8408, -0.0841], [0.8408, 0.0841]]]],
["PG16-ext", [1.4112, 10.580000, 21.160000, [[0, -0.6441], [0, 0.6441], [0.8408, 0.0841], [0.8408, -0.0841]]]],
["PG16-int", [1.4112, -11.250000, 22.500000, [[0, 0.6441], [0, -0.6441], [0.8408, -0.0841], [0.8408, 0.0841]]]],
["PG21-ext", [1.5875, 13.390000, 26.780000, [[0, -0.7246], [0, 0.7246], [0.9460, 0.0946], [0.9460, -0.0946]]]],
["PG21-int", [1.5875, -14.150000, 28.300000, [[0, 0.7246], [0, -0.7246], [0.9460, -0.0946], [0.9460, 0.0946]]]],
["PG29-ext", [1.5875, 17.740000, 35.480000, [[0, -0.7246], [0, 0.7246], [0.9460, 0.0946], [0.9460, -0.0946]]]],
["PG29-int", [1.5875, -18.500000, 37.000000, [[0, 0.7246], [0, -0.7246], [0.9460, -0.0946], [0.9460, 0.0946]]]],
["PG36-ext", [1.5875, 22.740000, 45.480000, [[0, -0.7246], [0, 0.7246], [0.9460, 0.0946], [0.9460, -0.0946]]]],
["PG36-int", [1.5875, -23.500000, 47.000000, [[0, 0.7246], [0, -0.7246], [0.9460, -0.0946], [0.9460, 0.0946]]]],
["PG42-ext", [1.5875, 26.240000, 52.480000, [[0, -0.7246], [0, 0.7246], [0.9460, 0.0946], [0.9460, -0.0946]]]],
["PG42-int", [1.5875, -27.000000, 54.000000, [[0, 0.7246], [0, -0.7246], [0.9460, -0.0946], [0.9460, 0.0946]]]],
["PG48-ext", [1.5875, 28.890000, 57.780000, [[0, -0.7246], [0, 0.7246], [0.9460, 0.0946], [0.9460, -0.0946]]]],
["PG48-int", [1.5875, -29.650000, 59.300000, [[0, 0.7246], [0, -0.7246], [0.9460, -0.0946], [0.9460, 0.0946]]]],
];
64 changes: 64 additions & 0 deletions design/PG_electrical_thread.awk
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@@ -0,0 +1,64 @@
function calculateThreadlibSpecs() {
# Calculates threadlib specs for PG electrical threads.

Designator = $1;
TPI = $2;
Pitch = $3;
InnerDiam = $4;
OuterDiam = $5;

Pi = 3.141592;

P = 25.4 / TPI;
H = 0.595875 * P;

RrotExt = InnerDiam / 2;
DSupportExt = InnerDiam;
drRootExt = 0;
dzRootExt = cos(40*Pi/180)*H;
drCrestExt = H;
dzCrestExt = H*.1;

RrotInt = -OuterDiam / 2;
DSupportInt = OuterDiam;
drRootInt = 0;
dzRootInt = cos(40*Pi/180)*H;
drCrestInt = H;
dzCrestInt = H*.1;
}

BEGIN {
FS = "\t";
}

/^[^#]/ {
calculateThreadlibSpecs();

# External thread:
printf Designator "-ext," # designator
printf Pitch "," # pitch
printf "%f,", RrotExt # Rrot
printf "%f,", DSupportExt # Dsupport
printf drRootExt "," # r0
printf "%.4f,", -dzRootExt # z0
printf drRootExt "," # r1
printf "%.4f,", dzRootExt # z1
printf "%.4f,", drCrestExt # r2
printf "%.4f,", dzCrestExt # z2
printf "%.4f,", drCrestExt # r3
printf "%.4f\n", -dzCrestExt; # z3

# Internal thread:
printf Designator "-int," # designator
printf Pitch "," # pitch
printf "%f,", RrotInt # Rrot
printf "%f,", DSupportInt # Dsupport
printf drRootInt "," # r0
printf "%.4f,", dzRootInt # z0
printf drRootInt "," # r1
printf "%.4f,", -dzRootInt # z1
printf "%.4f,", drCrestInt # r2
printf "%.4f,", -dzCrestInt # z2
printf "%.4f,", drCrestInt # r3
printf "%.4f\n", dzCrestInt; # z3
}
11 changes: 11 additions & 0 deletions design/PG_electrical_thread.csv
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# designator tpi pitch inner_diam major_diam
PG7 20 1.27 11.28 12.5
PG9 18 1.4112 13.86 15.2
PG11 18 1.4112 17.26 18.6
PG13.5 18 1.4112 19.06 20.4
PG16 18 1.4112 21.16 22.5
PG21 16 1.5875 26.78 28.3
PG29 16 1.5875 35.48 37.0
PG36 16 1.5875 45.48 47.0
PG42 16 1.5875 52.48 54.0
PG48 16 1.5875 57.78 59.3
2 changes: 1 addition & 1 deletion design/autogenerate.awk
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Expand Up @@ -2,7 +2,7 @@ BEGIN {
FS = ",";
print "/* This script is auto-generated - do not edit"
print " :License: 3-clause BSD. See LICENSE. */"
printf "\nTHREAD_TABLE = ["
printf "\nTHREAD_TABLE = [\n"
}

// {
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