It works in the same way, just put the pins in the two "farthest apart" positions and measure the maximum distance across the pins. The small cosine angle is handled by the software. We put the difficult equations into the calculator so all you need to do is make the measurement.
@@WinkysWorkshop Glad this is helpful for your knowledgebase. I really like how you made the simple indexer for your lathe BTW - Pretty clever, and simple. Also nice to see a spur in your banner.
@@EvolventDesign Yes your video was excellent. I cut a 22 tooth 16 DP 14.5 PA gear today for my South Bend and used 1/8" wires to measure. I basically measured the old gear and made a new one to the same spec. The program said 1.584" between pins but I had to make it 1.568" to make the gears mesh (which is the same as the old gear). It seemed like a big difference but it worked. The gear teeth are more pointed than the original and the whole depth of cut is .007" less than should be. I'm starting to wonder if my cutter is a 20PA. It says 14.6 and the tooth range is correct. Very cheap cutter.
@@EvolventDesign Oh.. and thanks for checking out my channel. Yeah the gear indexer is useful. One of my latest projects was a CNC wood lathe. It's very amazing to watch and now that I have learned the software the start to finish on a spindle is 15 minutes instead of hours. CAM software is hard to learn.
That is how the gear measures and that is the job at hand. Manufacturers make machines with gear spec combinations like this to keep you coming back to their OEM parts department.
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Hi,
Thanks for information.
Can you/your team guide(with video) how to measurement over pins for odd number of teeth??
Thank You,
It works in the same way, just put the pins in the two "farthest apart" positions and measure the maximum distance across the pins. The small cosine angle is handled by the software. We put the difficult equations into the calculator so all you need to do is make the measurement.
@@EvolventDesign OH... Nice that you explained this. I was going to measure one pin from center and double the number.
@@WinkysWorkshop Glad this is helpful for your knowledgebase. I really like how you made the simple indexer for your lathe BTW - Pretty clever, and simple. Also nice to see a spur in your banner.
@@EvolventDesign Yes your video was excellent. I cut a 22 tooth 16 DP 14.5 PA gear today for my South Bend and used 1/8" wires to measure. I basically measured the old gear and made a new one to the same spec. The program said 1.584" between pins but I had to make it 1.568" to make the gears mesh (which is the same as the old gear). It seemed like a big difference but it worked. The gear teeth are more pointed than the original and the whole depth of cut is .007" less than should be. I'm starting to wonder if my cutter is a 20PA. It says 14.6 and the tooth range is correct. Very cheap cutter.
@@EvolventDesign Oh.. and thanks for checking out my channel. Yeah the gear indexer is useful. One of my latest projects was a CNC wood lathe. It's very amazing to watch and now that I have learned the software the start to finish on a spindle is 15 minutes instead of hours. CAM software is hard to learn.
Hi,
A very interesting and informative video... thanks for making and sharing...
Take care.
Paul,,
How would you do same for helical gears ?
Thanks for information can you gide for spiral bevel cutting method of spiral cutting machine
How to measure MOP
If the number of teeth odd (like 13,15,17,..
The calculator automatically handles the math.
GearCalculators.com
Why are you using 14.5 deg pressure angle on a metric gear?
That is how the gear measures and that is the job at hand. Manufacturers make machines with gear spec combinations like this to keep you coming back to their OEM parts department.
Go to 10:00 in the video-good eye
And thank you for watching
Thank you so much for this 🙏
Hi,
Thanks for this video.
how to calculate Measurement Over Pins of internal gears??
Not at this time, but check back later this fall. We are working on the Internal Spur measurement calculator....
@@EvolventDesign very good! we are waiting...
The wait is over-INTERNAL MOP is now up and running. Let us know what you think.
Or just measure BTL with a flange mic. Much easier.
Thank you
You're welcome