Bridge aluminum doors and windows equipment precision saws for aluminum windows and doors, curtain wall profile cutting cutting imported carbide saw blades, high precision, high durability imported linear bearing motion pair, the motion stability precision spindle rotating saw blade Oleopneumatic achieve stable feed speed uniform, smooth motion feeding system adopts imported linear guide, high precision, long life can be automatically converted two saw head angle, to achieve 67.5 ° (alternate), 45 °, 90 ° profiles angle cut by micro spray cooling device, saving windows and doors processing costs Main specifications and technical parameters Power: 380V 50HZ saw head motor: 2 × 2.2KW 2800r / min Working pressure: 0.5 ~ 0.8MPa Air Consumption: 60L / min cutting length: Max 4200mm min 385mm cutting width: max 135mm Cutting Height: 900 max 300mm Cutting Height: 450 max 200mm cutting angle: 90 °, 45 °, 67.5 ° (optional) feed speed: stepless 0-3m / min Blade Specifications:? 500 × 30 × 4.4 × Z120 Dimensions:? 5560 × 1750 × 1950 mm Weight: 1850kg repeated fixed-length precision: ≤ 0.2mm profile cutting angle tolerance: ± 5 'cut-surface Flatness: ≤ 0.1m cutting surface roughness: Ra12.5μm