04-11-2016, 11:59 AM
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CONCLUSIONS
Uniform ramming of sand is obtained by this rammer. Due to improper ramming either because of hard ramming or soft ramming defects in casting such as blow holes, scab, metal penetration, hot tear, inclusions, drops may occur. By the automated ramming process using pneumatics we can design an automated pneumatic sand ramming machine which will be able to avoid these casting defects, thus allowing moulding process to be much more efficient then the conventional manual work to some greater extent. Also the reasons for considering the use of pneumatic system instead of hydraulic system liquid exhibit greater inertia than gases. Therefore in hydraulic system the weight of the oil is a potential problem. To design and development a material handling system for automation or semi automation of industries by using pneumatic control system which is used for low cost automation.The time consumption for ramming is reduced considerably. It eliminates more labour for ramming operation and hence the labour cost is reduced. Skilled labour is not required to operate this machine. Transportation of this machine is easy. Maintenance is also easy, The reduction of production time and elimination of more labour for ramming operation reduce production cost, thereby the economy is greatly achieved. The operation is quick and hence it is a time saving one. The operation is easy and consumes less cost. Due to the above reasons it finds its extensive application in manufacturing industries. It has an extensive application in both large scale and small scale industries because of its economy and easy handling.
SCOPE FOR FUTURE WORK
Since old age man is always trying to gain more and more luxurious. Man is always trying to develop more and more modified technique with increasing the aesthetic look and economic consideration. Hence there is always more and more scope. But being the degree Engineers and having the ability to think and plan. But due to some time constraints, and also due to lack of funds, we only have thought and put in the report the following future modifications:-
1) It can be made to run has bottle cap sealing machine. The stationary platform can be made auto swiveling type by installing the timer and heat sensor arrangement on the platform. It can be done such that when the bottle mouth is sealed up to the desired temperature the electrical heater circuit gets cut off . At the same time the motor installed on the reduction gear box starts operating the bevel gearing and the platform starts rotating thus it can be made auto rotating type.
2) It can be made hydraulic operated type by replacing the hand lever by hydraulic cylinder and along with the ratchet and Paul arrangement..
3) It can be made hydraulically power operated by installing the gear oil pump at the place of air compressor and pneumatic cylinder arrangement.
4) It can be made rack and pinion operated or spring and lever operated, by replacing the pneumatic circuit by rack and the pinion arrangement by the square threaded screw and nut arrangement.
5) The place where there is scare city of the electricity the electric motor operate compressor is replaced by an I.C.Engine installed compressor. Thus in future there are so many modifications, which we can make to survive the huge global world of competition.