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(iii) Steam hammers: These hammers differ from the pneumatic hammer described above inthat for raising steam, a separate boiler is required. Thus in a steam hammer, cylinder ‘C’ of the pneu-matic hammar is not required. The piston in cylinder B is powered by the steam drawn from the boilerand operated by a simple slide valve mechanism. The cylinder B is double acting and since the steampressure is higher than the air pressure in pneumatic hammers, the striking force in steam hammers ishigher than for similar size of pneumatic hammer.
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