铝门窗数控双头切割锯用于铝门窗及幕墙型材的切割。 进给系统采用进口直线导轨副，精度高、寿命长。气液阻尼缸保证锯片进给均匀，运动平稳。 活动机头移动采用大导程滚珠丝杠运动形式，传动精度高，定位准确，工作平稳。采用数控技术可完成不同规格尺寸的型材自动下料，两锯片可自动转换角度，实现 22.5 °、45 °、90 °型材的角度切割。 LJZ2S-500X4200 Numerical Control Double Precision Mitre Saw is used for cutting profiles of alu-door-window and curtain wall. Feeding system adopts imported linear guide rail pair, hi-precision and long life. Air-liquid damping cylinder assures blade feeding is even and running is stable. Adjustable head moving adopts steep-lead ballscrew sports type,hi-precision transmission, accurate locating and stable running. Adopt numerical control technology to accomplish different size profiles cutting automatically, two blades can change angle automatically to achieve 22.5 °、 45 °、 90 ° profiles cutting. 输入电源 Power supply 380V 50Hz 工作气压 Air pressure 0.5 ～ 0.8 （ Mpa ） 耗气量 Air consumption 150L /min 输入功率 Input power 5.5kw 锯切范围 Cutting range 400 ～ 4200 （ mm ） 锯切高度 Cutting height 300mm 锯切宽度 Cutting width 135mm 转速 Ratational speed 2800r/min 进给速度 Feeding speed 0 -3m /min 重复定位精度 Repeated locating precision ± 0.15mm