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Pillar of the Community
 Canada
6244 Posts |
@ suttodh: All my calculus are base on special mathematics and not Euclidian's. Why? because the Euclidean is approximative.
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Pillar of the Community
United States
2775 Posts |
Quote:
Sure each denomination has many design changes and this axes will change every times. Please elaborate your design plan. Thanks, Doug. |
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Pillar of the Community
Canada
6244 Posts |
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New Member
United States
39 Posts |
Radial run out and a known standard is the first place to start. I am trying to enlighten the community on what you are trying to achieve.
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Pillar of the Community
Canada
6244 Posts |
Quote:
angular velocity at a specific point in time. This was determinate by the Mint as acceptable at plus or minus 2 degrees. This angular velocity with acceptable deviations are more to be the normal for the different years due to the hammer and anvil ways to be hold on the shafts. Also vertical and horizontals forces are involved and the usurer of the presses parts are in the game also. |
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New Member
United States
39 Posts |
Basic tolerance would be four degrees.
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New Member
United States
39 Posts |
You can start this project with hand gauges. I verify CMM results with hand gauges.
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Pillar of the Community
Canada
6244 Posts |
Yes it is 4 degrees. 2 CW and 2CCW. Numismatic and for attributions is 5 Degrees and plus on 180 Deg. scale CW or CCW.
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New Member
United States
39 Posts |
We now agree that precision is not important at this time. The methodology is what counts. When the method is established precision will follow.
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Pillar of the Community
Canada
6244 Posts |
Missing me the Designs axes, or median to be understood by all. the rest is done, about 3 months of calculus to establish the tables and to correct (was none, but must be check twice)
Edited by silviosi
12/22/2022 5:08 pm
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New Member
United States
39 Posts |
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Bedrock of the Community
United States
62064 Posts |
If the marks on the outside/inside edges are incuse (lower than the rim) it would be alteration post strike. A striking issue, post strike. ( Machine Doubling or coin damage) Raised outer edge marks would be a fin issue. |
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Pillar of the Community
Canada
6244 Posts |
OK I have to made anyone understand that those ideas, which are not bad and also logic from one point of view: was already calculate. Majority are negligible quantities in calculus or insignificant quantities. EX: MD in the case of a rotated coin Design will represent 0.25 deg, which it is insignificant. And so long.
The conclusion here it is IF SOMEONE has the medians of the coins designs. This mean the line which can cut the coin and the design in half O and R in the original design,.
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New Member
United States
39 Posts |
Each and every coin will have its own median based on the diameter. You need to know the diameter of each and every coin evaluated.
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Pillar of the Community
Canada
6244 Posts |
@suttodh: I know all the diameters, all specs of any design of the coins. What I do not know it is the ALLIGMENT points of the Observe and Reverse.
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Posted 12/20/2022 9:56 pm
