Engineering, 12.11.2019 23:31 minecrafter3882
Consider a flat rolling operation of an aluminum 1100-0 workpiece. the initial thickness of the workpiece is 0.25 in, width is 8 in and the roll radius is 10 in. if the workpiece thickness is reduced by 0.02 inches per pass, findthe roll force for each of the first three passes: h1=0.23in, h2=0.21in; h3=0.19in. assume an ideal rolling operation (i. e. friction is zero) and that deformation follows plane strain assumptions. there’s an example rolling calculation on the canvas lab website for 3221.
Answers: 2
Engineering, 04.07.2019 18:10, niyawilliams23
Asingle-geared blanking press has a stroke of 200 mm and a rated capacity of 320 kn. a cam driven ram is assumed to be capable of delivering the full press load at constant force during the last 15 percent of a constant-velocity stroke. the camshaft has an average speed of 90 rev/min and is geared to the flywheel shaft at a 6: 1 ratio. the total work done is to include an allowance of 16 percent for friction a) estimate the maximum energy fluctuation b) find the rim weight for an effective diameter of 1.2 m and a coefficient of speed fluctuation of 0.10
Answers: 1
Engineering, 04.07.2019 18:10, skpdancer1605
Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2
Answers: 3
Consider a flat rolling operation of an aluminum 1100-0 workpiece. the initial thickness of the work...
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