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Home > High-Precision Double-sided Lapping/Polishing Machine

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12B/13B/13.9B

High-Precision Double-Sided Grinding/Polishing Machine
  • Center Gear, Gear Ring

    Can be raised and lowered automatically using an electric button

  • Power

    Input: 3-phase 380V 50Hz

    Current Capacity: 50A

  • Air Supply

    0.5 ~ 0.6 MPa, 90 NL/min

  • Main Components

    Bearings: NSK and other Japanese brands

    Motor and Gearbox: TECO (Taiwan) + In-house high-precision worm gear reducer

    Pneumatic Components: SMC + CKD

    Programmable Logic Controller (PLC): Mitsubishi Electric

    Frequency Inverter: Mitsubishi Electric

    Human-Machine Interface (HMI): Mitsubishi Electric

    Castings: Gray Cast Iron HT300

    Gears: Forged gear steel, high-frequency surface hardening after gear cutting, followed by gear grinding

    Base: Integral cast base

    Electrical Cabinet: Separate electrical cabinet

  • Processing Pressure

    Minimum operating pressure: 12 kg (120 N)

    Standard maximum operating pressure: 350 kg (3500 N) (can be extended based on application requirements)

    Pressure control method: Precision load cell + PLC + electronically controlled proportional valve to achieve closed-loop pressure feedback control, enabling real-time pressure monitoring and calibration to ensure pressure accuracy and stability.

  • Rotational Speed

    Lower Anvil: 1–50 RPM; Upper Anvil: 1–15 RPM

    Center Gear: 1–25 RPM; Ring Gear: 1–25 RPM

  • Operating Environment

    15–35°C

    Humidity: Below 85% (no condensation)

    Air Quality: Free of corrosive, flammable, or harmful gases; free of pollutants, dust, etc.

Device Parameters
  • Machine dimensions: Length 1995 mm * Width 1435 mm * Height 2680 mm (2230 mm with cylinders removed)

  • Machine weight: 5000 kg

Model 12B-8L/P 13B-5L/P 13B-6L/P 13B-6L/P 13.9B-9L/P
Final dimensions Grinding(mm) Φ1048×Φ542×t50 Φ849×Φ273×t40 Φ924×Φ360×t50 Φ926×Φ522×t45
Polishing(mm) Φ1058×Φ522×t50 Φ858×Φ264×t40 Φ933×Φ350×t50 Φ933×Φ515×t40
Planetary gear parameters Modulus M3 DP12 DP12 DP12/M2
Number or teeth Z95 Z147 Z147 Z108/Z114
Pitch circle(mm) 285 311.15 311.15 228.6
Drive method 3 motors
4 motors
Number of planetary gears 8 5 6 9
Maximum machining diameter(mm) 210 210 210 150
Maximum processing thickness(mm) 66 66 66 66
Note: This device can be easily expanded to a 14B or 15B device, greatly increasing its versatility.
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