I see some of the newer Bridgeport copies like the Sharp LMV can come with a VFD drive that goes up to 4500RPM. Have any of you used them ? I can only assume that it still has the Low and High range gear? Are there any torque issues when running at low RPM or is the motor big enough to still get some work done? would it quickly run out of torque if you put a 1.5" face mill and try to cut some stainless with it ? I also see that these mills with the VFD use 2 extra little fans in front of the motor to keep it cooler. Does the motor have its own separate enclosed fan on top that runs all the time(like it should?) or is there only these 2 little fans? looks like an after thought to me and like they could possibly get hit with a wrench when changing holders. Any thoughts on that?
I wonder if its worth the extra money or if its better to stick to the Variable pulley drive.
Thanks
I wonder if its worth the extra money or if its better to stick to the Variable pulley drive.
Thanks