It is a method for cutting and dismantling concrete and other structures underwater for removal.
The completely wet-type underwater wire saw method is a technique for cutting and removing structures such as concrete underwater during demolition. It allows for space-saving operations at great depths and is not affected by working depth (working depth from 0m to 45m). Since the wire saw machine is entirely installed underwater, there are no human-related accidents, and because the cutting machine itself is underwater, operations can continue even if the work vessel is swaying. It can be constructed with a minimal length of diamond wire for cutting, and due to the compact size of the machine, CO2 emissions are significantly reduced. 【Features】 - Equipment can be loaded onto a small vessel for preliminary cutting. - Monitoring is done via surveillance cameras, allowing for immediate response to any issues. - Biodegradable oil (ISO 6743 Class L) is used for operational fluids. - NETIS registration number KKK-090001-A (registration period has ended). For more details, please contact us or download the catalog.
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【Specifications】 [Underwater Wire Saw Main Unit] ○ Rated Pressure: 25.5 MPa ○ Cutting Rotational Speed: 0 to 850 min⁻¹ ○ Weight: 130 kg to 300 kg ○ Maximum Cutting Area: 20 m² (actual value) ○ Maximum Wire Reel Length: 50 m [Underwater Wire Saw Hydraulic Drive Unit (Small Model)] ○ Maximum Pressure: 21 MPa ○ Discharge Rate: 0 to 50 ℓ/min ○ Engine Rated Power: 28 PS ○ Fuel Used: Gasoline ○ Fuel Consumption Rate: 7.7 ℓ/h ○ Weight: 680 kg ○ Dimensions: 1,100 × 1,450 × 1,200 [Underwater Wire Saw Hydraulic Drive Unit (Medium Model)] ○ Maximum Pressure: 0 to 25.5 MPa ○ Discharge Rate: 0 to 120 ℓ/min ○ Engine Rated Power: 120 PS ○ Fuel Used: Diesel ○ Fuel Consumption Rate: 30 ℓ/h ○ Weight: 3.5 t ○ Dimensions: 3,200 × 1,600 × 1,750 ● For more details, please contact us or download the catalog.
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Nihon Kaiyō Service Co., Ltd. has been engaged in underwater work in marine civil engineering since its establishment in 1972. Thanks to our efforts, we have reached our 43rd anniversary, receiving orders from government agencies as well as major general construction companies. Through our business, we strive to contribute to society and fulfill our social responsibilities by continuously working to develop technology and improve construction accuracy. Our company motto, "Do not be bound by the established, enrich your imagination, and always be a person who looks to the future," guides us as we work together as a team to enhance our technical skills and strengthen our corporate structure. We appreciate your continued support for Nihon Kaiyō Service Co., Ltd.
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