How to mount belt sprockets to the kop gearboxes

Technical Technical Discussion
1

Does anyone know how to mount the belt sprockets frovided in the kop to the CIMple Box?

2

Drill out the timing belt sprockets to Ø1/2" ID and broach for 1/8" x 1/8" keyway. You will need a lathe, an arbor press, and a 1/8" broach.

3

thanks if we decide to use belts, ill send it to our machining guys. thanks!