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in the previous problem suppose that the percent reduction were specified to be equal for each pass rather than the
a continuous hot rolling mill has eight stands the dimensions of the starting slab are thickness 30 in width 150 in
a connecting rod is designed to be hot forged in an impression die the projected area of the part is 6500 mm2 the
a 20-in-long billet with diameter 125 in is direct extruded to a diameter of 050 in the extrusion die angle 90deg for
bar stock of initial diameter 90 mm is drawn with a draft 15 mm the draw die has an entrance angle 18deg and the
wire stock of initial diameter 0125 in is drawn through two dies each providing a 020 area reduction the starting
in conventional sheet metalworking operationsa what is the name of the tooling andb what is the name of the machine
rod stock that has an initial diameter of 050 in is drawn through a draw die with an entrance angle of 13deg the final
an l-shaped structural section is direct extruded from an aluminum billet in which lo 250 mm and do 88 rnm dimensions
a direct extrusion operation is performed on a cylindrical billet with an initial diameter of 20 in and an initial
the foreman in the press working section comes to you with the problem of a blanking operation that is producing parts
a compound die will be used to blank and punch a large washer out of 6061st aluminum alloy sheet stock 350 mm thick the
a blanking operation is to be performed on 20-mm thick cold-rolled steel half-hard the part is circular with diameter
a cup-shaped part is to be drawn without a blank holder from sheet metal whose thickness 025 in the inside diameter of
in problem 211 suppose the rake angle were changed to alpha 0deg assuming that the friction-angle remains the same
a facing operation is performed on an engine lathe the diameter of the cylindrical part is 6 in and the length is 15 in
a tapered surface is to be turned on an automatic lathe the workpiece is 750 mm long with minimum and maximum diameters
a drilling operation is to be performed with a 127-mm-diameter twist drill in a steel workpart the hole is a blind hole
a slab milling operation is performed to finish the top surface of a steel rectangular work piece 120 in long x 25 in
a face milling operation is performed to finish the top surface of a steel rectangular work piece 120 in long x 20 in
solve previous problem 2217 except that the work-piece is 50 in wide and the cutter is offset to one side so that the
a face milling operation is used to remove 032 in from the end of a cylinder that has a diameter of 390 in the cutter
an open-side planer is to be used to plane the top sur-face of a rectangular workpart 200 in x 450 in the cutting speed
high-speed machining hsm is being considered to produce the aluminum part in problem 2215 all cut-ting conditions
we have n3 items arranged in the form of a lattice in a cube and we pick at random an item from an edge not on the