{"id":2777,"date":"2026-07-02T06:42:37","date_gmt":"2026-07-02T06:42:37","guid":{"rendered":"https:\/\/hydrauliccylindersprice.com\/product\/pile-driving-barge-luffing-cylinder\/"},"modified":"2026-07-02T06:42:51","modified_gmt":"2026-07-02T06:42:51","slug":"pile-driving-barge-luffing-cylinder","status":"publish","type":"product","link":"https:\/\/hydrauliccylindersprice.com\/id\/produk\/pile-driving-barge-luffing-cylinder\/","title":{"rendered":"Pile Driving Barge Luffing Cylinder"},"content":{"rendered":"

<\/p>\n
\n Pile Driving Barge<\/span><\/p>\n

Pile Driving Barge Luffing Cylinder<\/h2>\n

A 1,400 mm bore. A 15.5-metre stroke. Nearly 28,500 KN of thrust \u2014 enough to swing a 200-tonne pile frame from vertical to working angle while absorbing the shock of every hammer blow. The largest hydraulic cylinder in the offshore range, built for the heaviest pile driving operations on earth.<\/p>\n

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\u22641,400mm<\/span>Bore<\/span><\/div>\n
15,500mm<\/span>Stroke<\/span><\/div>\n
28,465 KN<\/span>Thrust<\/span><\/div>\n
25 MPa<\/span>Pressure<\/span><\/div>\n<\/p><\/div>\n<\/section>\n
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Technical Specifications<\/h2>\n
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\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
Product Name<\/td>\nPile Driving Barge Luffing Cylinder<\/td>\n<\/tr>\n
Features<\/td>\nSwing the pile frame and bear dynamic load from hammer impact<\/td>\n<\/tr>\n
Bore Diameter<\/td>\nUp to 1,400 mm<\/td>\n<\/tr>\n
Rod Diameter<\/td>\nUp to 900 mm<\/td>\n<\/tr>\n
Stroke<\/td>\nUp to 15,500 mm<\/td>\n<\/tr>\n
Thrust Force<\/td>\n28,465 KN (at 25 MPa)<\/td>\n<\/tr>\n
Working Pressure<\/td>\n25 MPa<\/td>\n<\/tr>\n
Application<\/td>\nPile Driving Barge<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/section>\n
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What the Luffing Cylinder Does on a Pile Driving Barge<\/h2>\n
<\/div>\n

\"Pile<\/p>\n

A pile driving barge drives steel or concrete piles into the seabed to create foundations for bridges, port structures, offshore wind turbines, and oil platforms. The pile frame \u2014 a tall steel structure that guides the pile and holds the hammer \u2014 must be tilted (luffed) to the correct angle for each pile. The luffing cylinder swings this frame from near-vertical (for storage\/transit) to the working angle (typically 1:6 to 1:12 rake) and holds it steady during driving.<\/p>\n

The external forces on this cylinder are not just large \u2014 they are violent. Every hammer blow (up to 300 tonnes of impact energy per strike) sends a shockwave through the pile frame and into the luffing cylinder. The cylinder must absorb these repeated shocks without seal failure, rod damage, or mounting fracture \u2014 while simultaneously maintaining the frame angle within \u00b10.5\u00b0 accuracy. This makes the luffing cylinder the most mechanically demanding offshore hydraulic cylinder<\/a> in the entire range.<\/p>\n<\/section>\n

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Engineering at 1,400 mm Bore \u2014 The Scale Challenge<\/h2>\n
<\/div>\n

A 1,400 mm bore cylinder is not simply a scaled-up version of a 500 mm cylinder. At this size, every manufacturing process reaches its physical limits:<\/p>\n

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\n Deep-Hole Boring<\/strong><\/p>\n

The barrel is bored from a solid forging. At 1,400 mm diameter and 15+ metres length, the boring machine must maintain \u00b10.1 mm tolerance across the full bore \u2014 while removing tonnes of steel chips. Few facilities worldwide can handle this bore size.<\/p>\n<\/p><\/div>\n

\n Rod Straightness<\/strong><\/p>\n

The 900 mm \u00d7 15,500 mm rod weighs approximately 75 tonnes. Straightness must be \u22640.1 mm\/m (total TIR \u22641.55 mm). The rod is forged, rough-turned, stress-relieved, precision-ground, and chrome-plated in a continuous process \u2014 supported on roller beds to prevent sag under its own weight.<\/p>\n<\/p><\/div>\n

\n Transport and Installation<\/strong><\/p>\n

A complete luffing cylinder at this scale weighs 30\u201380 tonnes and is 15+ metres long. Transport requires special heavy-haul trailers and port crane capacity. Korea Ever-Power coordinates shipping logistics including cradle fabrication, securing, and lifting point design.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n

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Shock and Vibration Resistance<\/h2>\n
<\/div>\n

\"Pile<\/p>\n

The pile driving hammer strikes the pile head at rates of 30\u201360 blows per minute. Each strike generates a shockwave that travels through the pile frame structure and into the luffing cylinder mountings. The cylinder must withstand:<\/p>\n