Recent content by bbutcher85

I have been using a VFD on my Bridgeport mill for several years, and it works great. There are a couple of things to keep in mind however. First you can slow the motor way down by lowering the frequency, but there are practical limits. The motor torque drops off at lower frequencies, and I have...

I replaced some 4 foot fluorescent bulbs with cheap ($5 ea from E-bay) LED bulbs. I shopped around and found bulbs that produce 1584 lumens. Although this is less than the old fluorescent ones (2850 initial), the LED lamps are directional and the light goes where it is wanted. The fluorescent...