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30M patrol boat propeller - Use an extended specialized cutting tool to heat the curved part of the propeller to 700-900 ℃, and then use a G-type specialized wrench for pressure calibration. During the calibration process, keep track of the blade temperature and use an infrared thermometer to detect it. If the temperature is below 700 ℃, stop calibration and continue heating until the blade can be calibrated.

Large engineering ship propeller manufacturers are actively developing propeller products with low noise, low vibration, and low emissions to meet increasingly stringent environmental requirements.

The pitch of a large engineering ship propeller determines the distance the propeller moves in the axial direction after one revolution, which has a significant impact on propulsion efficiency.

Marine propeller - By rotating in water and utilizing the principles of hydrostatic pressure and Newton's three laws, it generates forward propulsion force to propel the ship forward.