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φ725mm Swing · φ500mm Max Grinding Diameter · 450mm Max Depth
The MK2150 is a high-performance CNC internal grinding machine specifically engineered for large-diameter, deep-hole machining. With a grinding diameter range of 50 to 500mm and a maximum depth of 450mm, it delivers outstanding results for thick-walled, high-strength components.
MK2150 Series
Spare parts supply
On-site installation service
Customized design
Why Choose Our CNC Solutions
Key Features
- ● Massive Internal Grinding Capacity: 50–500mm. Handles a wide spectrum of industrial inner diameters including stepped, conical, and cylindrical bores.
- ● Deep Bore Capability: Up to 450mm. Enables grinding of long sleeve cylinders, stator housings, and other deep internal features.
- ● CNC-Controlled Multi-Axis System: Automates feed, spark-out, and return cycles with sub-micron precision.
- ● Sturdy Bed and Slideways with Thermal Stability: Ensures dimensional consistency and vibration-free operation during prolonged grinding.
- ● Optional In-Process Measuring System: Offers real-time bore measurement and automatic adjustment for ultra-high accuracy.
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Recommended Configurations
- ● Heavy-Duty Hydraulic Chuck： Securely clamps large-diameter, deep-hole workpieces.
- ● Multi-Wheel Turret Head： Enables sequential rough and finish operations without manual changeover.
- ● In-Process Bore Gauge： Automatically monitors and adjusts for bore dimension during grinding.
- ● Linear Encoder Feedback： Enhances positioning accuracy for large component handling.
- ● Programmable Coolant System： Ensures optimal flow for deep and high-heat internal grinding.
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Application Case
- ● Workpiece: Bearing housing with 420mm internal diameter and 400mm depth.
- ● Setup: MK2150 + 3-point in-process gauge + Siemens CNC + hydraulic chuck.
- ● Results: Bore tolerance achieved: ≤ ±0.004 mm, surface finish: Ra 0.25 μm, cycle time reduced by 32% with turret head automation, customer note: "Extremely stable for deep ID grinding with excellent bore roundness."
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Product Specifications
| Specifications | Unit | MK2150 |
|---|---|---|
| Grinding hole diameter | mm | 50-500 |
| Max.grinding depth | mm | 450 |
| Max.swinging over the table | mm | 725 |
| Max.table travel(Z-axis) | mm | 700 |
| Max.travel of the wheel head(X-axis) | mm | 180 |
| Max.speed of Z-axis | m/min | 8 |
| Max.speed of X-axis | m/min | 5 |
| Workpiece spindle speed | r/min | 30~300 |
| Bore roundness | mm | 0.003 |
| Cylindricity of bore | mm | 0.005 |
| Surface roughness of bore | μm | Ra0.4 |
| Surface roughness of end face | μm | Ra0.8 |
| Perpendicularity of end face to bore | μm | 0.005 |
| Max.turning angle of headstock | ° | 15 |
| Total power of machine | kw | 19 |
| Machine weight | kg | 6000 |
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