The precision error does not exceed a hair's breadth, this is how the 'core of the giant wheel' is produced.
Release time:
2021-11-17
The engine is the "heart" of the ship, and the crankshaft is the "heart" of the engine. "The ship depends on the machine, and the machine depends on the shaft," this has been a dilemma faced by China's shipbuilding industry for decades.
How can the shipbuilding industry break through technological bottlenecks and help our country move from backwardness to becoming a major shipbuilding nation in the world? Recently, a delegation for "High-Quality Development of Manufacturing Industry" visited Dalian, Liaoning to seek answers.
Large marine crankshafts are the most important core equipment for ten-thousand-ton ships, known as the "core of giant ships." Such a large crankshaft must have a manufacturing precision error that does not exceed that of a human hair. Due to technological constraints, China's large marine crankshafts have long been monopolized by foreign countries.
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