Thursday, July 2, 2015

aircraft engineering design Assignment answer

Customer Specification:

Task 1
Prepare a design specification containing the major design parameters as a machine tools designer.

Performance: The screw driver should be able to drive wooden screw and/or slotted machine screw of size: (7/16inches or 11mm).  Its handle should have proper shape to fit the palm of user hand with proper grip. Blade should access places with narrow spaces.

Environment: Since it will be multitasking and used by the skilled workers its materials should be capable of operating in standard atmosphere as well as in dusty, oily environment. Also it should be less sensitive to change of temperature. The screwdriver is most likely not to be used in electrical apparatus and appliances.

Maintenance: The maintenance of the screwdriver should be as simple as possible. Proper methodology for keeping the correct angle of the blade should be maintained.
Cost: The price should not exceed $10

Quantity: Total 500pieces.

Aesthetic/Ergonomics: The Screwdriver should be gripped easily and the worker should be comfortable to use it. The finishing work should be done neatly so that there is minimum chance of corrosion and rusting.

Size/Weight: The weight of the screwdriver should not exceed 0.5lbs and should maintain standard size requirement laid by British Standards for Screwdriver and Accessories.
Safety: The screwdriver must sustain standard torque requirement & should not damage the screw slot. The material used in the screwdriver should not be hazardous. Associated HSE guidance should be complied with.

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