Drop Hammer definitions

Drop hammer

1) Metal-forging tool
Found on https://www.crosswordclues.com/clue/drop-hammer

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Drop Hammer

A forging hammer than depends on gravity for its force.
Found on https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/

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Drop Hammer

A forging hammer that drops vertically onto the work piece. Usually relying on a powered cylinder to lift the hammer head and then adding to the force of the downward stroke. Originally steam powered (developed by James N??) but most now using compressed air. Steam hammers converted to air are generally not as good following conversion as the air d...
Found on https://www.encyclo.co.uk/local/20483

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Drop Hammer

Impact-type pavement breaking equipment.
Found on https://www.encyclo.co.uk/local/21122

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Drop Hammer

A forging hammer than depends on gravity for its force.
Found on https://www.unifiedalloys.com/resources/glossary/

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