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solve problem 2421 except that in parts a and b determine the cutting speeds and tool lives for maximum production rate
an nc lathe cuts two passes across a cylindrical workpiece under automatic cycle the operator loads and unloads the
a single-point hss tool with a 364 in nose radius is used in a shaping operation on a ductile steel workpart the
the following conditions and settings are used in a certain surface grinding operation wheel diameter 60 in in feed
an internal cylindrical grinding operation is used to finish an internal bore from an initial diameter of 250 mm to a
an 8-in diameter grinding wheel 10 in wide is used in a surface grinding job performed on a flat piece of heat-treated
the grinding wheel in a centerless grinding operation has a diameter 200 mm and the regulating wheel diameter 125 mm
in a surface grinding operation wheel diameter 150 mm and in feed 007 mm wheel speed 1450 mmin work speed 025 ms
1 what are the three mechanisms of grinding wheel wear2 what is dressing in reference to grinding wheels3 what is
1 why are abrasive processes technologically and commercially important2 what are the five principal parameters of a
in a certain grinding operation the grade of the grinding wheel should be lsquolsquom medium but the only available
a high-speed steel broach hardened is to be resharpened to achieve a good finish specify the appropriate parameters of
1 why are the nontraditional material removal processes important2 there are four categories of nontraditional
1 what is meant by the term overcut in electric discharge machining2 identify two major disadvantages of
a square hole is to be cut using ecm through a plate of pure copper valence 1 that is 20 mm thick the hole is 25 mm on
chemical milling is used in an aircraft plant to create pockets in wing sections made of an aluminum alloy the starting
a wire edm operation is used to cut out punchand-die components from 25-mm-thick tool steel plates however in
1 why are metals heat treated2 identify the important reasons why metals are annealed3 what is the most important heat
1 what are some of the important reasons why manufactured parts must be cleaned2 mechanical surface treatments are
1 how does anodizing differ from other conversion coatings2 what is physical vapor deposition3 what is the difference
a part made of sheet steel is to be nickel plated the part is a rectangular flat plate that is 0075 cm thick and whose
a steel sheet metal part has total surface area 36 in2 how long will it take to deposit a copper plating assume
a batch of 100 parts is to be nickel plated in a barrel plating operation the parts are identical each with a surface
1 what are the advantages and disadvantages of welding compared to other types of assembly operations2 what were the
1 what is the fundamental difference between a fusion weld and a solid state weld2 what is an autogenous weld3 discuss