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Modelling gear hobbing 'exit' in Solidworks?
EG, I think I can think of a couple of ways to do it using my Rhino. The one above I did quickly by taking one tooth space and having it follow a guideline ending with a radius similar to what I imagine the hob's to be. After that, array the tooth space into a complete spur gear. Then, twist it... -
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OT- A math question about how much a circumference is changed by a change in the radius of a large object
This is a 2.5:6:6.5 (half of 5:12:13) 5:12:13 has a circle twice this. -
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OT- A math question about how much a circumference is changed by a change in the radius of a large object
I tried what Mark is speaking of: That is neat to know. -
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OT- A math question about how much a circumference is changed by a change in the radius of a large object
A sub-atomic particle or the Universe has the same answer: Between 6.283' and 6.284' Sourced from: -
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maching square bar to round
I added a new thread inspired by this one: Radius and Circumference. -
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OT- A math question about how much a circumference is changed by a change in the radius of a large object
If you take a large object like the Earth or the Sun and add 1 foot to its radius, how much does that add to the new circumference in feet? Is it a lot more for the Sun than the Earth, or the same? -
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Problems with TIG on Mild Steel
The setting *lift start* instead of *high-frequency start* might be a good idea for the above test.- David_M
- Post #64
- Forum: Fabrication: CNC Laser, Waterjet, Plasma, Welding
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Problems with TIG on Mild Steel
Video record striking an arc on stainless steel. That would confirm that your argon is not pure (at least by the time it reaches the arc). No dipping the tungsten, though. There could be issues with the steel you are using. Look up fully-killed, semi-killed, and rimmed steel. E70-S2 contains...- David_M
- Post #51
- Forum: Fabrication: CNC Laser, Waterjet, Plasma, Welding
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Problems with TIG on Mild Steel
Try to run a bead on a piece of 1/4" or thicker stainless steel without a filler rod, and let us see the results. Move along fairly quickly.- David_M
- Post #39
- Forum: Fabrication: CNC Laser, Waterjet, Plasma, Welding
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Helium reserves sold
- David_M
- Post #25
- Forum: Manufacturing in America and Europe
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Need to replace a worm wheel gear
The pitch (as stated above), along with the outside diameter. Is the thread (tooth) a single start or multi-start? If multi-start, how many? -
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Helium reserves sold
Thanks! I hadn't thought about that source. I also just discovered that the latest Miller Dynasty welding machines allow you to use separate waveforms for the negative and positive sides. You can have an 'Advanced square wave' for the negative and a 'Triangular' waveform for the positive. How...- David_M
- Post #24
- Forum: Manufacturing in America and Europe
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Helium reserves sold
I haven't bought helium in a while. I am hearing $625.00 per bottle that is filled to 2/3 capacity. What do you think this is going to do to prices? Only link I could find without signing in/up- David_M
- Thread
- Replies: 24
- Forum: Manufacturing in America and Europe
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OT - vanishing threads
I see the thread on joining the Trilateral Commission has disappeared. Mistaken for spam? -
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Acme Gear Cutter
Or, you can make it hard like I seem to do: Making one tooth to array into the worm wheel drawing. The drawing in post #24 uses the dimensions found in this thread.