Aluminum Curtain-wall profile milling machine LZDB-4200*1800 1. Features 1). The machine adopts special imported hard alloy blades and tools, featuring in high-speed balance performance, high processing precision and durability, saving time and energy. 2). Blade grooving depth can be adjusted steplessly from 0 to 8mm. 3). It is capable of grooving and cutting, capable of horizontal and vertical cutting, and with safety positioning. 4). The overall machine is of superior rigldity, with stable cutting, without vibration traces. 2. Technical Data