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The "economic code" behind the domestic compressor industry"
"Deep hidden work and name", which is used to describe the compressor can not be more appropriate. Compressors are closely related to industrial economic production. Compressors are ubiquitous in national production. However, due to general machinery, they cannot independently complete production tasks and have low perception. Therefore, although indispensable, few outsiders pay attention to it.
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2023
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Worrying! Stern tube damage cases increase, how to avoid?
The number of stern tube-related damage claims has increased significantly over the past few years, and such damage is now one of the most common types of claims handled by Gard under the hull insurance policy. A recent analysis by Gard dissects this issue.
Three methods of ship stern tube concentricity measurement
The traditional cable method is relatively close to the measurement principle of coaxiality. Its side is intuitive and easy to understand. The cost of measuring tooling is low, the measurement accuracy is controllable, and it is suitable for stern tubes of various sizes. However, this measurement method requires high operation level for measuring this, and it is easy to generate measurement errors due to considered factors.
Function description of each component inside the air compressor
The air filter is a dry paper filter with a fine pore size of about 5μm. Its main function is to filter out dust in the air to avoid premature wear of the screw rotor, premature blockage of the oil filter and the oil separator. Usually every 500 hours of work, should be removed to clear the surface of the dust. The method of removal is to use low-pressure air to blow the dust from the inside out.
Nautical Science Popularization -- Rudder Blades of Ancient Chinese Ships
Ancient Chinese ancestors had long known to use the rudder to change the course of a ship. The rudder is a stern steering tool used to control the course. It evolved from wood pulp and went through the stages of technological evolution such as pulp support, towing rudder and shaft rudder.