Our company has an equipment supplier based in Germany whose designs and processes conform to EN 729. Our equipment must comply with the requirements of AWS D1.1. Can anyone let me know if there are substantial differences between these two standards? I am looking for a quick and easily...
Knowing the torque applied to the worm gear, how would I calculate the amount of resistance torque must be applied to prevent backdriving of the worm and motor shaft? I need to size a motor brake to hold the applied torque.
The allowable shear stress for fillet welds on non-tubular steel structures in AWS D1:1 Table 2.2 is .30 x filler tensile strength. Since this is an allowable value for buildings I presume there is a factor of safety inherent in this formula. Does anyone know what factor of safety is applied...
My was built in 1948 in Tacoma, Washington. When I purchased it I had to tear down an existing outdoor deck and stairs which uncovered a crack in the foundation that starts at a doorway and extends down to the footing. The crack is about 3/8" wide, and the adjacent corner of the house has...
