Search results for query: *

I have a problem with heat from a 1800 degree hot slab Size 82" X 132" (9" thick) Stefan - Boltzman Constant .174E-8 2227 Temp in Rankine Area = 75.167 I used Q=.174E-8 * Area Ft^2 * Temp ^4 Q= 3.217E+6 in BTU / Hr. Directly above this slab I have an air space of about 4.5" and then I have a...

The gear box worked, the ratio of 30:1 worked. When you run the drive into a hard stop you can run the arms in reverse. So thanks for your help Mike.

Thanks Mike, I've noticed a few problems, one with output shaft alignment the other with the gear box efficency. Right now i'm using a 60:1 gearbox with a 4% back drive efficency. I ordered a 30:1 gear set and should have them installed in about a week. Your previous post gave me an idea...

Thanks Mike, I have a 440 Volt 3 phase motor running at full voltage. I have an electric clutch that is adjustable. When running it runs at 12 volts at that point is when the arms hit the stops. When reversing direction the clutch uses full voltage 24 volts momentarily, I was hoping that...

I am running a system that incorporates a 1.50 H.P. A.C. motor running at 1160 RPM's This is directly coupled into an electric clutch that runs upto 24 v.dc. and that generates up to 36 ft-lbs of torque at 24 volts and can be adjusted downward. From the output of the clutch is a 12 tooth...

I recently tried using an electric clutch for the first time due to the customer having a friction type clutch. They didn't like friction type clutches because of the constant adjustments. So I'm trying to use this particular electric clutch. I run the machine in and it hits a solid stop, then...

I have a B.S. Degree in Mechanical Engineering Technology. I'm also a P.E. If you plan on teaching I would say switch over to Mechanical Engineering. If you plan on working in Industry then I would suggest don't throw away those credits and finish in Mechanical Engineering Technology.

Condense, 4140 steel is a great material choice for the pins. Pin Shear:(4/3) Force/Area Use allowable safety factor Lug Sizing Force/Bearing Area Bearing Area=Pin Diameter x Metal Thickness Bushing Sizing=Press Fit into hole, Material of Choice 8620 steel case hardened to 60-65 R.C. I hope...