Spreadsheet with calculations 4

spigor · Mar 22, 2020

I'm looking for a post on this forum, where somebody said that a person named Emil (if memory serves well) might no longer be with us, because his website has been removed, but before that happened the author of the post had been able to save some spreadsheets from that site.

gearguru · Mar 22, 2020

I do not remember that; did you try to look around using the "search" option on this page?
What exactly are you looking for? I collected some calculations/standards/books/magazine articles; I might have what you need.
Keep safe and healthy, fellow engineers!

spigor · Mar 22, 2020

Yes, I have spent some time looking for it with no success. But today I finally recalled his last name and was able to find that post. It's here:

https://www.eng-tips.com/viewthread.cfm?qid=383851

I surprisingly find more and more people are no longer with us:
Occupant
gearcutter
israelkk

mfgenggear · Mar 22, 2020

@Spigor

While it's not what you are looking for may be alternative

https://khkgears.net/new/gear_calculator.html

mfgenggear · Mar 22, 2020

here is an other one.
word of caution not tested
maybe you all can help with that

http://www.dakeng.com/spurgear.html

mfgenggear · Mar 22, 2020

Here is a Int & ext Spur gear program

http://www.forestmoon.com/Software/GearDXF/

use with caution

spigor · Mar 22, 2020

Thanks mfgenggear!
I really enjoyed these sites. I've seen a 66 MHz precessor requirement, pages last updated in 2015, DOS programs, DXF version 12. It was a nice experience, bringing back memories from the past. The spreadsheet (or, as it turns out, a little exe file) was just one of the things I remembered about that post I was looking for.

It's interesting to see a program completely ignoring the trochoid section of the tooth, simply replacing it with a straight line, which may lead to serious interference related problems, making that gear profile unusable. The program is online for so many years and no one ever complained?

gearguru · Mar 22, 2020

Lately I found several web pages for designing the gears. One of them is

https://www.emachineshop.com/gear-design-software/

I did not check for accuracy of their calculations, use it carefully.
I think that eventually we could create a list of similar services/apps with our own notes about them.

gearguru · Mar 22, 2020

This one looks interesting too.

http://www.me-bac.com/index.php?task=gear

gearguru · Mar 22, 2020

And one more:

http://www.hessmer.org/gears/InvoluteSpurGearBuilder.html

spigor · Mar 23, 2020

Thanks gearguru for those interesting links!

mfgenggear · Mar 25, 2020

Thanks for sharing gearguru

tbuelna · Mar 26, 2020

spigor,

One website was

http://www.emip.de

but it is no longer active. The over pin measurement .exe file is attached. Mine still seems to work OK.

There are also some useful online calculators here:

http://www.zakgear.com/Calculators.html

Hope that helps.

spigor · Mar 26, 2020

tbuelna
Many thanks!!!

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