Concrete cutter

Overview
The Diamond Wire Saw for Concrete is a hydraulic-driven cutting system that uses a diamond-beaded wire rope to perform precise static cutting of reinforced concrete. Designed for deep cuts, underwater operation and complex geometries, the system minimizes vibration and protects adjacent structures while maintaining continuous cutting performance.

Core working principle and features
The unit is driven by a hydraulic pump station supplying stable oil pressure to a hydraulic motor. The motor rotates a drive wheel that propels the diamond-beaded wire rope. Idler pulleys guide the rope direction to enable continuous frictional cutting. Key features include automatic tensioning and speed control, fully hydraulic feeding, water-assisted cooling and debris flushing, and a sealed machine body suitable for underwater operation. Static (vibration-free) cutting enables safe work in sensitive environments.

Core advantages

• Deep cutting capability — wire length can be customized to achieve very large cutting depths.
• Underwater operation — sealed machine body and surface-controlled hydraulic pump station allow safe underwater cutting without submerged operators handling the equipment.
• Static cutting — vibration-free and low-noise operation protects surrounding structures and is suitable for sensitive sites.
• Flexible cutting geometry — wire can wrap around irregular shapes for complex cuts.
• High efficiency and stable hydraulic drive for continuous operation.

Applications

• Integral removal and precision dismantling of bridges and piers.
• Cutting of large dock platforms and underwater concrete piles.
• Creating accurate openings and modifications in heavily reinforced concrete structures.
• Combined use with other cutting equipment for rock and hard structure removal.

FAQ highlights (summarized)

• Concrete-cutting wires typically use a sintering process, larger bead density and higher wear resistance compared with wires for metal cutting.
• Maximum cutting depth is effectively limited by wire length and site logistics rather than machine capacity; wire can be customized to project needs.
• Underwater safety is achieved via a sealed machine body and surface hydraulic control, eliminating the need for operators to be submerged.

Technical specifications

• Wire Drive Mode: hydraulic
• Motor Type (wire drive): HM-80, 2 cylinders
• Minimum Input Power: 25 HP / 33 HP
• Output Shaft Speed: 350 / 940 / 1300 r/min
• Maximum Wire Length: 20 m
• Feeding Method: fully hydraulic
• Wire Saw Wheel Weight: 64 kg
• Motor Weight: 14 kg
• Wire Saw Wheel Size: 1700*700*800 mm
• Hydraulic Pump Motor Power: 22 / 25 kW
• Voltage: 220 V / 380 V, 50 Hz
• Hydraulic Pump Type: gear pump
• Main Drive Motor (flow): 40-100 L/min
• Working Pressure: 15-20 MPa
• Oil Tank Capacity: 17 L
• Hydraulic Unit Weight: 160 kg
• Hydraulic Unit Size: 700*700*1200 mm