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LATHE MACHINE
By
Rahul Mishra
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LATHE MACHINE The lathe is a machine tool which holds the work between two rigid supports called centres (live and dead) or in a chuck. The lathe carries following main parts : Bed Head stock Tail stock Carriage Feed mechanism Legs BED The bed of the lathe acts as a base on which fixed and operating parts of the lathe are mounted. This facilitates the correct relative location of the fixed parts and controlled movement of the operating parts. The vibrations while the machine should be less as possible for accuracy due to this reason the bed is made up of grey cast iron. HEAD STOCK The head stock is the part of lathe serves as housing for pulley and backgears, provides bearing for the machine spindle. It consist of following main parts : Cone pulley Backgears and backgear lever Head stock spindle Live centre...
SELF DRIVING CAR BY GOOGLE
By
Rahul Mishra
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Google yesterday announced its own design for self-driving cars, which will drive people around without a steering wheel or pedals. It's the latest projec t from Google X, the company's skunkworks group headed by Google co-founder Sergey Brin. TWO PEOPLE, NO DRIVERS : The company has already shown off its own self-driving technology, which retrofits existing vehicles made by Toyota and Lexus. However this new version, which was announced by Brin at the Recode conference, is a new design that fits two people, and is driven entirely by computer using a variety of on-board computers and sensors.
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