Wire saw having dust collecting apparatus

A wire saw machine having a dust collector, the wire saw machine comprising:

• a main roller configured to move a wire through rotation thereof;
• a first pulley system comprising a first upper dust collection roller, a first lower dust collection roller, and a first support roller, the first pulley system being configured to separate foreign matter from the wire by generating centrifugal forces on respective outer circumferential surfaces of each of the first upper dust collection roller and first lower dust collection roller;
• a second pulley system comprising a second upper dust collection roller, a second lower dust collection roller, and a second support roller, the second pulley system being configured to separate foreign matter from the wire by generating centrifugal forces on respective outer circumferential surfaces of each of the second upper dust collection roller and second lower dust collection roller;
• and
• a dust collection unit provided under both the first pulley system and the second pulley system, the dust collection unit being configured to collect foreign matter separated from the first pulley system and the second pulley system, wherein
• the main roller is connected to the wire such that the main roller moves the wire to pass through the first lower dust collection roller, the first upper dust collection roller, and the first support roller of the first pulley system, subsequently pass through the main roller, and then pass through the second support roller, second upper dust collection roller, and second lower dust collection roller of the second pulley system,
• in the first pulley system, the first upper dust collection roller is disposed higher than and distanced from the first lower dust collection roller such that the first upper dust collection roller and the first lower dust collection roller are disposed so as to be inclined relative to a plane perpendicular to a ground,
• the second pulley system is disposed lower than the first pulley system, and
• the second upper dust collection roller is disposed higher than and distanced from the second lower dust collection roller such that the second upper dust collection roller and the second lower dust collection roller are disposed so as to be inclined relative to the plane perpendicular to the ground.