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The BEACON MACHINE T7220C is a world-class industrial cylinder block boring and milling solution designed to handle medium to large-scale engine blocks. This robust cylinder boring machine features a high-rigidity structure that ensures vibration-free operation during deep boring tasks. To maximize productivity, many automotive machine shops integrate this unit with our digital cylinder bore measurement kits to achieve exact tolerances required for modern high-performance engines. Its large working table and flexible spindle speeds make it a versatile asset for any heavy-duty machining environment.
Achieving factory-level finishes requires high precision engine cylinder reconditioning equipment that allows for fine speed adjustments. The T7220C provides stepless feeding and variable spindle rotations, enabling machinists to apply advanced surface milling and boring techniques effectively across different engine materials. This capability is critical for restoring block integrity and extending engine lifespan. Engineered for continuous industrial duty, this station supports everything from passenger vehicle liners to massive tractor engines, making it a cornerstone for professional engine rebuilding facilities.
| Feature Category | Technical Inclusion |
| Standard Functions | Precision boring for cylinder holes, Fine boring for liners, High-speed surface milling, Variable frequency drive control. |
| Optional Functions | Customized larger spindles (Φ110+), V-type block mounting fixtures, High-grade carbide cutting tool sets. |



Superior Machining Stability: The heavy-duty cast-iron chassis acts as a vibration dampener, ensuring high precision engine cylinder reconditioning equipment standards are maintained during heavy milling.
Versatile Operational Control: Features a centralized control panel with VFD integration for stepless feed adjustment, making it a truly industrial cylinder block boring and milling solution.
Universal Engine Support: Designed with a massive 1680mm table to accommodate heavy truck and marine engine blocks.
Global Technical Service: BEACON MACHINE provides 24/7 technical support and rapid parts delivery to minimize workshop downtime.
| Item | Technical Specification |
| Model | T7220C |
| Processing Diameter | 30-200 mm |
| Max Boring Depth | 500 mm |
| Max Milling Diameter | 250 / 315 mm |
| Spindle Speed Steps | 53, 75, 106, 150, 210 r/min |
| Spindle Feed Speed | 0.05-0.20 mm/min (Stepless) |
| Rapid Spindle Move | 3900 mm/min |
| Worktable Size (L*W) | 1680*500 mm |
| Main Motor Power | 4.0 KW |
| Overall Dimensions | 2610*1655 *2345 mm |
| Machine Weight (N/G) | 3500 / 3800 kg |



