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Water-Powered Trip Hammer

Type Object Region China Time c. 960–1368

Water-driven trip hammer mechanism widely used in Song China, using waterwheel, cam, and lever linkages for grain pounding, ore crushing, and iron fo…

Timeline

  1. c. 960–1127Kaifeng and surroundings · Central PlainsDuring the Northern Song, water-powered trip hammers, mills, and rollers became widespread in the Yellow and Yangtze river basins, using stream-driven waterwheels to continuously pound grain, far more efficient than human labor and becoming standard for rural grain processing.
  2. c. 1127–1279Dayu, Ganzhou · JiangxiSouthern Song mining and metallurgy adopted water bellows driving linked hammers to forge ore and iron, with the trip hammer mechanism controlled by cams for the rise-and-fall rhythm, supporting the raw material processing needs of copper coin minting and weapons production.
  3. 1211–1220Taihu Lake basin · Taihu Lake basinIn 1211–1220, Southern Song Jiangnan waterworks were fully developed; water-powered trip hammers operated widely in grain processing, papermaking pulp beating, and mining forging, working in tandem with ponds and sluice gate systems, reflecting the high maturity of Song mechanical engineering.
  4. 1313Fengcheng, Jiangxi · JiangxiWang Zhen's Yuan-dynasty Agricultural Treatise detailed waterwheels, chain pumps, and various water-powered processing machinery with text and illustrations, summarizing and inheriting Song techniques for trip hammers and water bellows, becoming a key documentary source for studying Song-Yuan water machinery.

Sources