Q. Which tool is used for repairing and finishing the mould surface after the pattern is withdrawn?
Solution:
List of foundry tools and its uses in green sand moulding
1.Hand riddle – cleaning the sand
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Shovel – for sand transferring and conditioning of sand
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Rammers – to compact the sand by ramming action
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Sprue pin – used to produced sprue cavity
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Strike off bar – used to remove the excess sand from the moulding box
- Mallet – used to drive draw spike into the moulding sand
- Draw spike – used to withdraw pattern from the moulding sand
- Vent rod – used to pierce small holes improve the permeability of sand
- Lifters – used for the repairing , cleaning, finishing the mould cavity after pattern withdrawal
- Trowels – used for smoothing or slicking the surface of the mould
- Slicks -used as a finishing tool also used to repair the mould cavity after pattern withdrawal.
- Smoothers -used as a finishing tool to repair the mould cavity after pattern withdrawal.
- Swab – used for sweeping away the molding sand from the mould surface and pattern
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