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Wednesday 17 January 2018

Most Commonly Used Tools in Foundry Shop




 The following Commonly Used Tools in Foundry Shop hand tools are commonly employed in preparing the mouldin foundry. 


Shovel : 


A shovel consists of a square pan fitted with a wooden handle. It is used for mixing and for moving the sand from one place to another in the foundry. 









Rammer: 


A hand rammer is made of wood or metal. It is a short rammer and is used for packing and ramming the sand for bench moulding. The floor rammer is similar in construction, but have long handles. It is used for floor moulding or for rammign large moulds. The peen rammer has a wedge shaped end and is used for setting into corners and pockets of the mould. The pneumatic rammer is an automatic
rammer operated by compressed air. It is used in large moulds saving considerable labor and time. 




Slick : 



A slick is a double ended tool having a flat on one end and a spoon on the other. It is used for repairing and finishing the mould surfaces after the pattern is withdrawn. 








Riddle: 






It is used for ridding of sand to remove foreign material from it. Riddle tool is a screen or sieve used to remove small pieces of metal and foreign particles from the moulding sand.











Lifter :




A lifter is made of thin sections of steel of various width and lengths with one end bent at right angles. It is used for smoothing and cleaning out depressions in the mould.










Swab : 


A simple swab has a small brush having long hemp fibres. A bulb swab has a rubber bulb to hold the water and a soft hair brush at the open end. It is used for moistening the sand around the edge before the pattern is removed. 








Bellow : 
A hand operated bellow is used to blow loose particles of sand from the cavities and surface of the mould. 





Trowel : 
It consists of a metal blade with a wooden handle. The small trowels of various shapes are used for finishing and repairing mould cavities as well as for smoothing over the parting surface of the mould







Gate cutter : 


It is a U-shaped piece of thin sheet. It is used for cutting a shallow trough in the mould to act as a passage for the hot metal. 






Gaggers: 
These are iron rods bent at one end or both ends. These are used for reinforcement of sand in the top of moulding box and to support hanging bodies of sand.

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