- Feb 7, 2015
The adjustable plate should be loose. There should be a lever (with a ratchet mechanism) to adjust belt tension.I'm getting ready to start up my newly acquired well used Index-40. I see that the adjustable plate holding the spindle motor has no hold down bars (2). My question is….should the bars hold the plate rigid or loose for adjustment.
Holy cow 5hp?! Most I've ever seen on even a larger turret mill is 3hp (and those were Chinese horses)on this same subject, my 40 has come with...wait for it...a 5HP motor!
why anyone put that on i don't know - the motor is half the size of the mill
question: will i hurt anything using such an over-sized motor?
if so, i am sure it will go quickly on ebay...what would folks use instead (needs to be single phase...220 is fine)
A VFD will provide "infinitely variable" speed control, however running the motor at very low speeds can be detrimental to it unless it was designed as an inverter duty motor.Is the vfd advantage that you never have to change the belt to achieve different speeds?
So you would leave the belt pulley setup on the highest speed and then control downward with the vfd?
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