Sand casting defects can cause tremendous problem in foundry. The packing of moulding sand will not be even throughout the moulding box even when human skilled labour is used. Hence design and fabrication of automatic pneumatic ramming machine for mouldin

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Use mechanical tamps or rammers to compact the backfill. Rollers may be used to compact backfill if feasible. Cohesionless materials such as sand may be used for backfilling. Compact cohesionless materials using vibratory equipment, water-ponding, or a co

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Peanut pod wart is a new disease in Israel that causes ugly warts on the pod. The causal agent, Streptomyces sp., contaminates seed during mechanical cracking of pods. Low-volume application of 3% iodine dissolved in glacial acetic acid resulted in effect

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2.Machine Moulding-Squeezing Operation: A plate is placed on the top of the sand mold and applies the load by using hydraulic or Mechanical press. So, that ramming or compressing of molding sand will be taking place.

Vibration – Vibratory machines send waves of motion through the soil to reposition and con-solidate the soil particles. Forces of this type do a good job of forcing out excess air within the uncompacted mass. Vibratory machines work well in noncohesive so

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