Wednesday, May 26, 2021

Re: [electricboats] What kind of fitting is this?

Ryan, you'll need a machinist to turn this shaft into a diameter that fits the toothbelt pulley, and a key slot, made for same.

Or ask the manufacturer of the motor if they have any straightforward recommendations for you.

Carsten


On Thursday, 27 May 2021, 01:12:28 GMT+8, Ryan Sweet <ryan@ryansweet.org> wrote:


Argh accidentally hit send instead of paste - something like this - ideally with a toothed belt pulley instead of smooth.... any thoughts on the best sources for that?



On May 26, 2021, at 10:10, Ryan Sweet <ryan@ryansweet.org> wrote:


enter gearsomutions.com for helping me get educated. 

So it looks like I would need something like this... 


On May 26, 2021, at 09:57, Ryan Sweet via groups.io <ryan=ryansweet.org@groups.io> wrote:


Thank you! That was what I needed to learn more. 

Any recommendation for a reference work that can fill these occasional gaps in my understanding of mechanical connections?

On May 26, 2021, at 09:49, Dan Pfeiffer <dan@pfeiffer.net> wrote:



Its a spline.   Very common on transmission shafts.   Allows for a slip fit and very high torque capacity.  

 


On 2021-05-26 11:40 am, Ryan Sweet wrote:

Hello,

I am evaluating an EV kit and I see this shaft on a drive motor... notice the female toothed grooves in the shaft... and I've not seen this before nor can I figure out what it is called.

Does anyone know the right way to describe this kind of fitting and what the corresponding male part looks like (say, for mounting a pulley)?

Thanks,
-Ryan







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