Mechanica 2011 - IIT Madras

April 9,10 (Mechanical)

Mechanica 2011, an annual technical festival of the Mechanical Engineering Department of IIT Madras, Chennai. At Mechanica, we present to you unparallel oppoirtunities to test your skills.

National Symposium on Rotor Dynamics - IIT Madras

December 19,20,21

Most machines have one or more rotating parts. Rotating machine elements thus form the backbone of industrial infrastructure and therefore play a pivotal role in the growth and development of the country. Rotor Dynamics is the key in design and maintenance of all such rotating machinery. This area has made tremendous strides in recent years.

ObCom 2011 - VIT

September 9

This International Conference is a major event to be conducted following the grand success of series of ObCom conferences during 2003, 2004 and 2006, which were audited by a good number of participants from Academia and Industry across the World. The past ObCom conferences received good contributions from academia, industry and research organizations. Our sponsors included governmental and non-governmental agencies like DRDO, ISTE, DIT, CSIR etc.

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Technical Papers and Symposium Details

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CASE STUDY ON MODERN MANUFACTURING SYSTEM (TWIN SPINDLE AUTO DRILLING MACHINE)

Posted by tpapers On 12:16 am
Abstract:
Fitness occurs only when accuracy is obtained. In every machine of this world, every part fits with one another perfectly only when the matching holes and cuts come similar or as per the design. Drilling a hole may be a simple operation but it becomes complex as far as accuracy is concerned. Nowadays accuracy is obtained using a programmed machine called as CNC (Computer Numerical Control) or SPM (Special Purpose Machine) for mass production, a vital requirement in an automobile industry. The project titled “Design and Fabrication of Twin Spindle Auto Drilling Machine” falls under this category. It is provided with multi spindle with an adjustable centre distance varying from 50 to 150mm. The drill size may vary from 3mm to 12mm.
Rotary motion of the drill is achieved through motor and linear motion through hydro pneumatic cylinder. Clamping of the component is achieved by pneumatic cylinder. This project provides a better accuracy, repeatability and high productivity against the existing machines, where the drill is done one at a time and tolerance in centre distance is obtained through a jig. As far as the electrical part is concerned, the actuation of the hydro pneumatic cylinder is obtained through a double solenoid 5/2 direction control valve. The motor used is a 3 phase flange mounted type motor with a speed of 1440 rpm which is reduced through a step cone pulley coupled through v-belt. The motor is switched on via an overload contactor for safety. Manual and automatic control options are provided for safe operation. In case of any accidents, for immediate shut off of the system an emergency stop switch is provided. Indicators are provided for motor, cylinder and system on/off condition.
This project is a perfect illustration of what is Mechatronics, how automation can be done and through which how increased productivity can be obtained.
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