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Class 2 UIS threads

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Documented that threadlib provides *class* *2* UIS threads,
not class 1 and not class 3. Clarifies issue #33.
This commit is contained in:
Adrian Schlatter
2020-04-18 16:36:26 +02:00
parent 778bc41afb
commit c6b8562c56
2 changed files with 4 additions and 1 deletions
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2
README.rst
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@@ -132,7 +132,7 @@ Currently, threadlib knows these threads:
- `Metric threads <http://mdmetric.com/tech/M-thead%20600.htm>`__ (coarse, fine, and super-fine pitches) M0.25 to M600 - `Metric threads <http://mdmetric.com/tech/M-thead%20600.htm>`__ (coarse, fine, and super-fine pitches) M0.25 to M600
- Unified Inch Screw Threads (UNC, UNF, UNEF, 4-UN, 6-UN, 8-UN, 12-UN, - Unified Inch Screw Threads (UNC, UNF, UNEF, 4-UN, 6-UN, 8-UN, 12-UN,
16-UN, 20-UN, 28-UN, and 32-UN) 16-UN, 20-UN, 28-UN, and 32-UN). All threads are class 2 threads.
- `BSP parallel thread <https://www.amesweb.info/Screws/British-Standard-Pipe-Parallel-Thread-BSPP.aspx>`__ G1/16 to G6 - `BSP parallel thread <https://www.amesweb.info/Screws/British-Standard-Pipe-Parallel-Thread-BSPP.aspx>`__ G1/16 to G6
- `PCO-1881 <https://www.bevtech.org/assets/Committees/Packaging-Technology/20/3784253-20.pdf>`__ (PET-bottle thread) - `PCO-1881 <https://www.bevtech.org/assets/Committees/Packaging-Technology/20/3784253-20.pdf>`__ (PET-bottle thread)

3
design/UIS_thread.awk
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@@ -8,6 +8,9 @@ function min(x, y) {
} }
function calculateThreadlibSpecs() { function calculateThreadlibSpecs() {
# Calculates threadlib specs for UIS threads assuming class 2
# threads (class 1 and class 3 threads are not supported)
Designator = $1; Designator = $1;
TPI = $2; TPI = $2;
D = $3; D = $3;