Hemi,
Yes, I did see your PM. Thank you!
Printable View
Hemi,
Yes, I did see your PM. Thank you!
I suffer “aphasia”, stroke which means. I am unable to talk. Only “paste & copy” I am unable spelling.
Indexing Wheel Hole Patterns - Evenly Spaced Layout Options
Calculated and engineered 14, 36, 48 and 60-hole patterns allow for 20 obvious, symmetrical, evenly spaced layout combinations, as well as hundreds of asymmetrical layout combinations.
14 Hole pattern makes 2-7-14 evenly spaced layout options
24 hole pattern = 15° between holes
36 Hole pattern makes 2-3-4-9-12-18-36 evenly spaced layout options
48 Hole pattern makes 2-3-4-6-8-12-16-24-48 evenly spaced layout options
60 Hole pattern makes 2-3-4-5-6-10-12-15-20-30-60 evenly spaced layout options
Index – 20 different Even Combinations by degrees. (Even more options by skipping holes.)
02 hole pattern = 180° between holes
03 hole pattern = 120° between holes
04 hole pattern = 90° between holes
05 hole pattern = 72° between holes
06 hole pattern = 60° between holes
07 hole pattern = 51.4° between holes
08 hole pattern = 45° between holes
09 hole pattern = 40° between holes
10 hole pattern = 36° between holes
12 hole pattern = 30° between holes
14 hole pattern = 25.7° between holes
15 hole pattern = 24° between holes
16 hole pattern = 22.5° between holes
18 hole pattern = 20° between holes
20 hole pattern = 18° between holes
24 hole pattern = 15° between holes
30 hole pattern = 12° between holes
36 hole pattern = 10° between holes
48 hole pattern = 7.5° between holes
60 hole pattern = 6° between holes
Can someone describe the difference in the final ground results between the 30 degree straight holder and the 12 degree compound one?
The 30 degree would seem easier to make but there must be a good reason for the 12 degree compound one too
Yeah AS&S is a really interesting place; I tend to find things I want/need pretty regularly, and thier prices are generally good. Even picked up a couple of these https://www.sciplus.com/80mm-roller-...earing-60117-p and yes they are truly huge. Some googling turned up that they are replacement bearings for a disk harrow disk , as in https://en.wikipedia.org/wiki/Disc_h..._-_1758939.jpg
Just be aware they are definitely surplus, and things come and things go. So I've often picked up things just on spec.
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Thanks old_toolmaker! We've added your Dividing Head to our Lathe Accessories category,
as well as to your builder page: old_toolmaker's Homemade Tools. Your receipt:
<div id="blocks"> <div class="block b1 pngfix"> <div class="bimg"> <div> <a href="http://www.homemadetools.net/homemade-dividing-head-17"> <img src="/uploads/217885/homemade-dividing-head-17.jpeg"/> </a> </div> </div> <div class="head pngfix"></div> <div class="left pngfix"></div> <div class="right pngfix"></div> <div class="blockover b1 pngfix"> <div class="title"> <a href="http://www.homemadetools.net/homemade-dividing-head-17">Dividing Head</a> <span> by <a href="http://www.homemadetools.net/builder/old_toolmaker">old_toolmaker</a></span> </div> <div class="tags">tags: <a href='http://www.homemadetools.net/tag/divider'>divider</a> </div> </div> </div> </div>
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Alan Purdy
Thank you for your response!! It is all good information.