Basic requirements of machine tools for high-precision, super-hard cutting resin grinding wheels.
2025-04-08
High-precision, superhard cutting resin grinding wheels place quite stringent requirements on machine tools, mainly in the following aspects:
1. Spindle Precision: High rotational precision of the grinding wheel spindle is required. Generally, the axial runout should be less than 0.005mm, and the radial runout should be less than 0.01mm to ensure stability and precision during grinding.
2. Machine Rigidity: The entire machine tool and its components, such as the bed, grinding wheel head, and feed system, must possess sufficient dynamic and static rigidity. Generally, this requires an increase of 50% or more compared to ordinary grinding machines to maintain grinding stability, extend the service life of the grinding wheel, and ensure processing quality.
3. Sealing Performance: The machine tool's sealing must be reliable, especially the headstock spindle and bearing parts, to prevent superhard abrasives from entering the machine's moving parts and causing serious wear.
4. Feed System: The grinding machine's feed mechanism must have high precision, ensuring uniform and accurate feed, smooth and without runout, to meet the needs of high-precision grinding.
5. Vibration Prevention Measures: Since high-precision, superhard cutting resin grinding wheels require minimal vibration during grinding, the machine tool should be placed on a vibration-proof foundation, and corresponding vibration prevention and isolation measures should be taken, such as separate installation of the main motor from the machine tool, dynamic balancing of the motor rotor, and the addition of vibration-damping pads at the contact points between the machine tool and the ground.
In summary, the requirements of high-precision superhard cutting resin grinding wheels for machine tools involve several aspects: spindle precision, machine rigidity, sealing performance, feed system, and vibration prevention measures.
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