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Product Description
The HOLRY HR-ZTL420 is a versatile, high-precision CNC 5-axis milling head engineered for medium-to-large scale industrial applications. Designed to bridge the gap between high-speed finishing and heavy-duty cutting, the HR-ZTL420 features a robust A/C Dual-Axis (Double Swing) structure. It is the premier choice for manufacturers in the aerospace, automotive mold, and energy sectors who require uncompromising geometric accuracy and dynamic stability in complex simultaneous 5-axis linkage operations.
Optimized Rigidity-to-Weight Ratio: The ZTL420 utilizes advanced structural casting to provide maximum vibration damping while remaining agile enough for high-speed contouring.
Sub-Micron Precision & Repeatability: Equipped with high-resolution absolute encoders and precision planetary/harmonic reducers, it ensures sub-micron accuracy for the most demanding aerospace tolerances.
Advanced Thermal Compensation: Integrated liquid-cooled channels throughout the housing and spindle prevent thermal drift, ensuring consistent performance during long-duration machining of large-scale molds.
High Torque & Load Capacity: Supports larger tool interfaces (HSK-A63 / HSK-A100) and provides the necessary torque for deep-cavity milling in tough materials like titanium and hardened steel.
Universal CNC Controller Support: Seamlessly integrates with Siemens 840D, Fanuc 31i, and Heidenhain TNC 640, offering a true "plug-and-play" upgrade for existing gantry or bridge-type machines.
| Part No. | HR-ZTL420 | |
| Material | Cast Iron | |
| Unit | A-axis | C-axis |
| Servo Motor | 80SE100-57530 | 80SE100-57530 |
| Gearbox | Harmonic | RV |
| Ratio | 1:190 | 1:190 |
| Rated Torque ( N.m ) | 470 | 470 |
| Max. Instantaneous Torque ( N.m ) | 680 | 680 |
| Axis Maximum rotation angle | ±110 | ±360 |
| Axis Positioning Accuracy | 1Arcmin | 1Arcmin |
| Weight(KG) | 100 | |
| Main shaft pendulum length | ≤220MM | |
| Spindle power range | 6-15KW | |
Aerospace Structural Components: Machining of wing spars, bulkheads, and complex engine mounts.
Automotive Die & Mold: Precision milling of large injection molds, stamping dies, and bumper molds.
Energy & Power: Production of wind turbine components, impellers, and large-scale gas turbine blades.
Heavy Industrial Equipment: Machining of specialized gearboxes and high-precision mechanical housings.
The HR-ZTL420 is the "sweet spot" in the HOLRY lineup. It offers significantly higher torque than the HR-ZLL300 while maintaining a more compact footprint than the heavy-duty ZTL500. This makes it the most flexible solution for upgrading medium-sized machining centers to full 5-axis capability without sacrificing precision or cutting power.
