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

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20B/22B/24B

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: 100A

  • Air Supply

    0.5 ~ 0.6 MPa, 90 NL/min

  • Main Components

    Bearings: THK cross-roller 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: 15 kg (150 N)

    Standard maximum operating pressure: 800 kg (8000 N) (expandable 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 precision and stability.

  • Rotational Speed

    Lower Anvil: 1–60 RPM; Upper Anvil: 1–20 RPM

    Center Gear: 1–30 RPM; Ring Gear: 1–30 RPM

  • Operating Environment

    Temperature: 15–35°C

    Humidity: Below 85% (to prevent condensation);

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

Device Parameters
  • Machine dimensions: Length 2415 mm * Width 2010 mm * Height 2978 mm (2480 mm with cylinders removed) 

  • Machine weight: 9000 kg

Model 20B-5L/P 22B-5L/P 24B-5L/P
Final dimensions Grinding(mm) Φ1355×Φ458×t50 Φ1456×Φ488×t50 Φ1598×Φ562×t60
Polishing(mm) Φ1380×Φ432×t50 Φ1492×Φ452×t60 Φ1636×Φ524×t60
Planetary gear parameters Modulus M3 M3 M4
Number or teeth Z170 Z184 Z152
Pitch circle(mm) 510 552 608
Drive method 4 motors
Number of planetary gears 5 5 5
Maximum machining diameter(mm) 410 480 530
Maximum processing thickness(mm) 30 30 30
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