Basic Info.
Model NO.
T7220C
Coordinate Boring Machine Type
Horizontal Type
Tool Type
Fine Knife
Controlling Mode
Artificial
Precision
High Precision
Automatic Grade
Semiautomatic
Certification
ISO 9001
Condition
New
Transport Package
Wooden Case
Specification
boring diameter: 200mm
Origin
Yun Nan
HS Code
8459409000
Production Capacity
100
Product Description
Vertical fine boring-milling machine-T7220C 
T7220C 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 device
The table longitudinal moving
Digital read-out device
| Model | T7220B | T7220C | |
| Max. boring Diameter | F200mm | F200mm | |
| Max. Boring Depth | 500mm | 500mm | |
| Diameter of Milling Cutter Head | / | 250mm (315mm is optional) | |
| Max . Milling Area L x W | / | 850x250mm (780x315mm) | |
| Spindle Speed Range | 53-840rev/min | 53-840rev/min | |
| Spindle Feed Range | 0.05-0.20mm/rev | 0.05-0.20mm/rev | |
| Spindle Travel | 710mm | 710mm | |
| Distance from Spindle Axis to Carriage Vertical plane | 315mm | 315mm | |
| Table Longitudinal Travel | 900mm | 1100mm | |
| Table Longitudinal feed speed | / | 55, 110mm/min | |
| Table Longitudinal quick move speed | / | 1500mm/min | |
| Table cross travel | 100mm | 100mm | |
| Machining accuracy | Dimension Accuracy | 1T7 | 1T7 |
| Roundness | 0.005 | 0.005 | |
| Cylindricity | 0.02/300 | 0.02/300 | |
| Boring roughness | Ra1.6 | Ra1.6 | |
| Milling roughness | / | Ra1.6-3.2 | |