Xian Foreign Trade and Economic Development Corporation  

Product Name: Vertical Fine Boring-Milling Machine (T7220C) Model NO.: T7220C Condition: New Certification: ISO 9001 Automatic Grade: Semiautomatic Precision: High Precision Controlling Mode: Artificial Tool Type: Fine Knife Coordinate Boring Machine Type: Horizontal Type Structure: Horizontal Boring Machine Transport Package: Wooden Case Specification: boring diameter: 200mm Origin: Yun Nan HS Code: 8459409000 Product Description Vertical fine boring-milling machine-T7220CT7220C is mainly used for fine boring high accurate hoils of cylinder boday and engine sleeve also for other accurate holes, it can used for milling surface of cylinder. The machine can be used to boring, milling, drilling and reaming.The table longitudinally and cross moving devices.The workpiece fast centering device.Boring measuring deviceThe table longitudinal movingDigital read-out deviceModelT7220BT7220CMax. boring DiameterF200mmF200mmMax. Boring Depth500mm500mmDiameter of Milling Cutter Head/250mm (315mm is optional)Max . Milling Area L x W/850x250mm (780x315mm)Spindle Speed Range53-840rev/min53-840rev/minSpindle Feed Range0.05-0.20mm/rev0.05-0.20mm/revSpindle Travel710mm710mmDistance from Spindle Axis to Carriage Vertical plane315mm315mmTable Longitudinal Travel900mm1100mmTable Longitudinal feed speed/55, 110mm/minTable Longitudinal quick move speed /1500mm/min Table cross travel100mm100mmMachining accuracyDimension Accuracy1T71T7Roundness0.0050.005Cylindricity0.02/3000.02/300Boring roughnessRa1.6Ra1.6Milling roughness/Ra1.6-3.2