Precise Double-head Cutting Saw for aluminum door and window machine LJZ2B-500X4200 1). High quality carbide tipped sawblades. 2). High precision main shaft to keep sawbades running stability. 3). Pneumatic-hydraulic damp device to keep the stable feeding. 4). Adopt high quality guide railing system in the feeding system. 5). HIgh precision linear bearing to keep the repositioning precision. 6). Auto turnable machine head. 7). Vertical and horizontal clamping cylinder. 8). Spraying cooling system. 9). Safery protection system. 10). Heavy duty unibody steel construction.