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luffing    
上下摆动; 起重机臂转向

上下摆动; 起重机臂转向


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  • What is Luffing and Slewing? - Mighty Cranes
    Luffing, in the context of cranes, refers to the vertical movement of the load and the control of the hook’s height This movement is essential when dealing with tasks that require raising or lowering materials with precision
  • Luffing - Wikipedia
    "Luffing" can also be used to slow or stop a sailboat in a controlled manner To offset luffing at the top of the sail one should move the sail "lead" forward until the point where the "telltales" break evenly
  • Level luffing crane - Wikipedia
    A level-luffing crane is a crane mechanism where the hook remains at the same level while luffing: moving the jib up and down, so as to move the hook inwards and outwards relative to the base
  • LUFF Definition Meaning - Merriam-Webster
    The meaning of LUFF is the act of sailing a ship nearer the wind
  • Understanding Luffing and Slewing in Crane Operations
    Luffing refers to the vertical movement of a crane’s jib or boom Unlike fixed-boom cranes, which have a stationary boom angle, luffing cranes are designed to adjust the angle of their booms vertically
  • What Is Luffing in Sailing? A Beginners Guide | Naos Yachts
    In simple terms, luffing in sailing is a sign that the boat's heading and sail trim are no longer working together To correct luffing, sailors often use sheet control, easing or trimming the sheets to restore proper sail shape and regain efficient airflow
  • What Is Luffing in Crane? Functions, Jibs, and Crane Types Explained
    Luffing describes the up-and-down pivoting of a crane’s jib or boom at its base By changing the angle, the operator adjusts the crane’s working radius and lifting height, moving loads closer or farther away without repositioning the whole crane
  • What is a Luffing Jib Crane—and When Should You Use One?
    Luffing jib cranes are designed for confined job sites with limited swing radius Here's when to use them—and how they differ across tower, crawler, and mobile crane applications
  • Luffing crane vs tower crane: whats the difference?
    The term luffing refers to the ability of the crane’s jib or boom to change its inclination angle, allowing it to lift materials vertically and then lower them at precise locations
  • Luffing
    Luffing is a term used in nautical and mechanical engineering contexts In sailing, it refers to steering a vessel toward the wind such that the sails lose their aerodynamic shape and flap, typically when the bow points too close to the windward direction





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