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Re: OT: Teknatools USA affiliate (maker of Nova drill presses) files for CH 11 reorganization


 

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Hi Aaron,

Isn’t it similar to Reeves drive in principle which is used on machines?

I have not kept up on CVTs but Honda, Nissan and Toyota all use them. The interesting fact in early development was to use the chain in compression vs tension for better torque transfer.

Imran Malik
IAM Wood Creations

On Mar 27, 2025, at 7:55?PM, Aaron Inami via groups.io <ainami@...> wrote:

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The Powermatic 2800B uses what is called a Constantly Variable Transmission (CVT) -- (inside the 2800B, it's actually 2 separate CVTs).? I have not seen any other woodworking machinery that uses this type of transmission (usually it's geared speeds, switching pullies or VFD). ? This type of transmission is actually commonly found in hybrid cars (think Toyota Prius), but I'm sure the carmakers have engineered this much better.
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You can see the actual transmission working here in this video at the 12 minute mark:
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-Aaron Inami

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