Engineering, 23.04.2020 00:51 carlo123
A slab-milling operation is carried out on a high-strength steel block that has a specific energy of 1.3 hp*min/in3, a length of 20 in, and a width of 6 in, at a feed of 0.01 in/tooth and a depth of cut of 0.15 in. The cutter rotates at 150 rpm and has a diameter of 3 in with 8 straight cutting teeth. Calculate the material removal rate and the cutting time, and estimate the power required.
Answers: 2
Engineering, 03.07.2019 15:10
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
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Engineering, 04.07.2019 18:10
Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
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Vibration monitoring this technique uses the noise or vibration created by mechanical equipment and in seme cases by plant systems to detemine their actual condtion. a)- true b)- false
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A slab-milling operation is carried out on a high-strength steel block that has a specific energy of...
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