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So just a little background......I'm the applications engineer for a British automation company and my job is to come up with concept designs of automated assembly and processing machines. Just for fun, here's a typical problem I get on a daily basis. I'll describe the problem then you can offer your suggestions, then I'll show you my solution: The components are basically a 20mm dia tube x 400mm long with a "lump" in the middle (50mm dia x 100 long) that requires curing. The parts need to be cured in an oven at 200°C for 8 hours. The tricky bit is that they have to be rotated (approx 15 rpm) throughout the oven. The oven needs to be a conveyor type. The part needs rotating because the "lump" will sag until fully cured. Throughput is 1 component every 4 minutes. Loading and unloading will be performed by two six-axis robots (one at each end). And......GO!
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Suggest suitable materials for the following parts stating the special property which makes it more suitable for use in manufacturing 1. Diesel engine crankshaft 2. Automobile tyres 3. Roller bearings 4. High pressure steam pipes 5. Stay bar of boilers 6. Worm and worm gear 7. Dies 8. Tramway axle 9. Cam follower 10. Hydraulic brake piston. You can write the answer and upload relevant images to justify the answer (if required) Let's together discuss and contribute in making the best answer
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Select suitable materials for the following parts stating the special property which makes it most suitable for use in manufacturing 1. Turbine blade 2. Bush bearing, 3. Dies 4. Carburettor body 5. Keys (used for fastening) 6. Cams 7. Heavy duty machine tool beds 8. Ball bearing 9. Automobile cylinder block 10. Helical springs. You can write the answer and upload relevant images to justify the answer (if required) Let's together discuss and contribute in making the best answer
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Select suitable material for the following cases, indicating the reason 1. A shaft subjected to variable torsional and bending load 2. Spring used in a spring loaded sefety valve 3. Nut of a heavy duty screw jack 4. Low speed line-shaft coupling. You can write the answer and upload relevant images to justify the answer (if required) Let's together discuss and contribute in making the best answer
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Give the composition of 35 Mn 2 Mo 45 steel List its main uses. You can write the answer and upload relevant images to justify the answer (if required) Let's together discuss and contribute in making the best answer
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Define 'mechanical property of an engineering material. State any six mechanical properties, give their definitions and one example of the material possessing the properties. You can write the answer and upload relevant images to justify the answer (if required) Let's together discuss and contribute in making the best answer