Merge pull request #361 from pysimone/master

Plate Wheels ISO606 simplex 1" ½ x 1" z 8 to 30

Mechanical Parts/Chains/Plate Wheel/ISO 606/Simplex 1 ½ x 1/README.md

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+# Chain Plate Wheels ISO606 simplex Simplex 1" ½ x 1" from z 8 to z 30
+
+This folder contains the 3D models of the plate wheels for ISO 606 chains simplex 1" ½ x ¾" with number of teeth ranging from z=8 to z=30.
+
+![Image](screenshot.png "Plate Wheel Simplex")
+
+All models are parametric and the values are contained in the spreadsheet `Data`.
+The parameters refer to the plate wheel dimensions as in the drawing below:
+
+![Drawing](drawing.png "Drawing")
+
+Table of dimensions in millimeters:
+
+P (Pitch)|Wc (Chain width)|Dr (Roller diameter)|Tr (Tooth radius)|Rw (Radius width)|Wt (Tooth width)|z (Number of teeth)|De (External Diameter)|Dp (Pitch diameter)|D (Hole diameter)|H (Total height)
+---|---|---|---|---|---|---|---|---|---|---
+38,1|25,4|25,4|38|4|24,1|8|115|99,55|25|24,1
+38,1|25,4|25,4|38|4|24,1|9|126,4|111,4|25|24,1
+38,1|25,4|25,4|38|4|24,1|10|138|123,29|25|24,1
+38,1|25,4|25,4|38|4|24,1|11|150|135,21|25|24,1
+38,1|25,4|25,4|38|4|24,1|12|162|147,22|25|24,1
+38,1|25,4|25,4|38|4|24,1|13|174,2|159,18|25|24,1
+38,1|25,4|25,4|38|4|24,1|14|186,2|171,22|25|24,1
+38,1|25,4|25,4|38|4|24,1|15|198,2|183,26|25|24,1
+38,1|25,4|25,4|38|4|24,1|16|210,3|195,3|25|24,1
+38,1|25,4|25,4|38|4|24,1|17|222,3|207,34|25|24,1
+38,1|25,4|25,4|38|4|24,1|18|234,3|219,42|25|24,1
+38,1|25,4|25,4|38|4|24,1|19|246,5|231,49|25|24,1
+38,1|25,4|25,4|38|4|24,1|20|258,6|243,57|25|24,1
+38,1|25,4|25,4|38|4|24,1|21|270,6|255,65|30|24,1
+38,1|25,4|25,4|38|4|24,1|22|282,7|267,73|30|24,1
+38,1|25,4|25,4|38|4|24,1|23|294,8|279,8|30|24,1
+38,1|25,4|25,4|38|4|24,1|24|306,8|291,88|30|24,1
+38,1|25,4|25,4|38|4|24,1|25|319|304|30|24,1
+38,1|25,4|25,4|38|4|24,1|26|331|316,08|30|24,1
+38,1|25,4|25,4|38|4|24,1|27|343,2|328,19|30|24,1
+38,1|25,4|25,4|38|4|24,1|28|355,2|340,27|30|24,1
+38,1|25,4|25,4|38|4|24,1|29|367,3|352,38|30|24,1
+38,1|25,4|25,4|38|4|24,1|30|379,5|364,5|40|24,1