Double-Sided Precision Grinding Machine for Metals/Non-Metals/Ceramics/Plastics
The double-sided precision grinding machine is a high-precision, high-efficiency processing equipment specifically designed for dual-surface grinding of both metallic materials (such as stainless steel, aluminum alloy, titanium alloy) and non-metallic materials (including ceramics, plastics, and glass). By simultaneously grinding both upper and lower surfaces of workpieces, this equipment ensures superior parallelism (≤0.002mm) and excellent surface roughness (Ra ≤0.1μm), making it widely applicable in automotive components, semiconductor packaging, precision bearings, optical elements and other industries.
Compared with traditional single-sided grinding machines, the double-sided precision grinder significantly improves production efficiency through synchronized dual-wheel processing while reducing clamping errors, making it particularly suitable for high-volume production of precision components. Featuring modular design, the equipment supports automated loading/unloading, intelligent pressure control, and in-process inspection to meet modern smart manufacturing requirements.
Double-Sided Precision Grinding Machine Technical Parameters
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Item
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Parameter
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Item
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Parameter
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Plate size
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φ700×50 (mm)
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Maximum pressure
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1000 kgf
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Carrier
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φ238 (mm)
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Maximum speed of upper plate
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160 rpm
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Number of carrier
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6
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Maximum speed of down plate
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160 rpm
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Maximum workpiece thickness
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75mm
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Maximum speed of sun wheel
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85 rpm
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Maximum workpiece size
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φ180 mm
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Swing arm rotation angle
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55°
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Main cylinder stroke
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150mm
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Total power
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18.75 KW
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Power Line Specifications
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3×16+2×10(mm²)
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Gas Supply Requirements
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>0.4MPa
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Ability
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50mm
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/
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42
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100mm
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/
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12
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Size
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2200×2160×2600(mm)
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Weight
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6000 kg
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Double-Sided Precision Grinding Machine Working Principle
The core operational mechanisms include:
1. Dual-Wheel Synchronized Grinding System:
- Upper and lower high-precision grinding wheels (typically diamond or CBN) rotate in opposite directions while workpieces are conveyed via planetary carriers or belts for simultaneous dual-surface processing.
- Grinding pressure (0.1-1.0 MPa range) is precisely controlled through servo motors or hydraulic systems to accommodate different material removal rates.
2. Precision Positioning & Feeding System:
- Workpieces are positioned using high-precision linear guides and servo drives, ensuring dimensional accuracy of ±0.001mm.
- Optional optical/laser thickness gauges enable real-time monitoring and automatic parameter adjustment.
3. Cooling & Chip Removal System:
- High-pressure coolant (water- or oil-based) jets minimize thermal deformation and flush debris, extending wheel life.
- Integrated magnetic filtration + centrifugal separation systems ensure efficient coolant purification and recycling.
4. Intelligent Control System:
- Equipped with Siemens/Mitsubishi PLCs and 10" touchscreens for parameter storage, fault diagnosis and remote monitoring.
- Adaptive grinding function automatically optimizes speed, pressure and feed rate based on workpiece hardness.
Double-Sided Precision Grinding Machine Characteristic
1. High-Rigidity Structure:
- Machine body utilizes high-strength cast iron with aging treatment, delivering exceptional vibration resistance during high-speed operation (up to 1500 rpm wheel speed).
- Precision-grade bearings and preloaded ball screws on spindles/guides ensure ≤0.003mm dynamic repeatability.
2. Smart Control & Operation:
- International-brand PLCs and inverters provide <1ms response time and strong anti-interference capability.
- HMI supports multilingual interface, real-time data visualization and recipe management for simplified operation.
3. Modular Expandability:
- Optional robotic arms/conveyor systems enable unmanned continuous production (cycle time reducible to 5s/piece).
- Multiple wheel formulations (diamond/CBN/resin-bonded) available for optimal grinding of steels, ceramics, composites etc.
4. Precision & Flexibility:
- Closed-loop pressure control (±1% accuracy) prevents over/under-grinding through force sensors.
- Custom fixtures accommodate special-shaped components (turbine blades, sealing rings etc.).
Double-Sided Precision Grinding Machine Applications
1. Automotive Industry:
- Engine components: Crankshaft ends/piston ring grinding (≤0.005mm parallelism).
- Transmission gears: Eliminating heat treatment distortion (Ra ≤0.2μm).
2. Semiconductor & Electronics:
- Ceramic substrates: Grinding to ±0.001mm thickness for flat chip mounting.
- Silicon wafer thinning: Backside processing for advanced packaging (3D IC).
3. Precision Machinery:
- Bearing rollers/shims: Mass production with ±0.002mm tolerances.
- Hydraulic valve blocks: Dual-surface sealing face grinding for leakage control.
4. Optics & Consumer Electronics:
- Smartphone glass: Removing CNC tool marks (Ra ≤0.05μm).
- Sapphire camera lenses: Preventing stress warpage from single-side grinding.
5. Aerospace:
- Turbine blade tenons: Dual-surface processing of superalloys for assembly precision.
- Satellite ceramic components: High-accuracy forming of lightweight parts.
Double-Sided Precision Grinding Machine Q&A
1. Q: What materials can be processed with a double-sided precision grinding machine?
A: Our double-sided grinders handle metals (steel/aluminum), ceramics, plastics, and composites with ≤0.002mm parallelism and Ra ≤0.1μm surface finish.
2. Q: How does double-sided grinding improve efficiency compared to single-side?
A: Simultaneous dual-surface processing boosts productivity 3-5x while eliminating realignment errors, achieving ±0.001mm thickness tolerance.
Tag: #Double-Sided Precision Grinding Machine, #Customized, #Metals/Non-Metals/Ceramics/Plastics
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