Description Overview Calender type: vertical type three roller calender Specification: Φ550mm × 3700mm Roll material: 48crmo Roll pattern can be designed per customer demand (pattern carved by German laser machine) Oil heated Product specification: 10g/m²-200g/m² Specifications Maximum mechanical speed: 350 m/min Highest temperature: 200°C Axial runout ≤ 0.03mm Maximum line pressure: 150 kg/cm Engraved roll and smooth roll hardness: HRC58-62 Rolls are forged normalizing, quenched and tempered; rollers go through intermediate frequency quenching, tempering to the required hardness Thermal deformation of roll ≤ 0.02mm (roller heating to normal temperature) Roll roundness and straightness accuracy (room temperature) ≤ 0.05mm Roller bearing (from Japan), shaft diameter: Ø240mm Bearing oil cooling system with temperature alarm One roller with one motor drive (Siemens-XBE) Electronically adjustable angle for roller position (0 to 30mm) With (16) roller rotary joints (KDNT from America) Machine sealed with PTFE asbestos packing Roller temperature difference: ± 1°C Returning oil temperature difference < 0.5°C Circumference drilling Ø35mm, hole number 21, hole straightness (including docking error ≤ 0.5mm) Speed stability, precision error below 0.5% Each roller is driven by one motor independently, with three motors (each 37kW AC variable frequency) Center height of rolls: 1500mm Included With (1) set of hydraulic station With (1) set bearing lubrication and cooling system With (1) set of instruments (installed at cloth exit) Hydraulic station voltage is 220V