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High-precision double-sided lapping (polishing) machine series

YH2M13B-7L, YH2M13B-9L, YH2M8436B This series of machine tools are mainly used for double-sided grinding and polishing of metal parts such as valve plates, valve plates, friction plates, rigid sealing rings, cylinder piston rings, oil pump blades, LOGO, etc. It can also be used for double-sided grinding and polishing of non-metallic hard and brittle sheet parts such as silicon, germanium, quartz crystal, glass, ceramics, sapphire, gallium arsenide, lithium niobate, etc.


Precision grinding, intelligent manufacturing technology, integrated solutions


Typical Machining Parts

Typical Machining Parts

The equipment can process workpieces including valve plate, valve plate, friction plate, rigid sealing ring, cylinder piston ring, oil pump blade, LOGO, silicon, germanium, quartz crystal, glass, ceramics, sapphire, gallium arsenide, lithium niobate, etc., such:







Valve plate

Piston ring

Glass cover plate

Sealing plate

sapphire wafer

Equipment Highlights

Equipment Highlights

(1) This series of machine tools is especially suitable for the processing of super-hard and brittle sheet parts;

(2) Dual-motor control, sun gear independent motor drive, frequency conversion speed regulation, stable start and stop;

(3) The inner ring gear is lifted and lowered through the cam mechanism, which is convenient to operate and flexible and reliable to lift;

(4) Flexible loading system, precision electric proportional valve control, stable and reliable pressure, uniform pressure and high precision;

(5) The upper plate is equipped with a safety self-locking device, which is interlocked with the program to ensure the safety of operation;

(6) touch screen man-machine interface, PLC control, friendly interface, large amount of information;

(7) Optional constant temperature cooling system to meet precision polishing.

Technical parameters

Technical parameters



YH2M13B-7L YH2M13B-9L YH2M8436B

Grinding disc size (OD ODx ID IDx THK)


φ1070xφ 495x45 φ978xφ 558x45 φ1140xφ 375x45

Planetary wheel specifications

  P = 15.875 Z = 64 DP = 12 Z = 108 P = 15.875 Z = 84

Number of planetary wheels placed

  3 ≤ n≤ 7 3 ≤ n≤ 9 3 ≤ n≤ 5

Maximum size of workpiece


300 (300mm for rectangular alignment) 200 (rectangle to line 200mm) 360 (rectangle to line)

Minimum thickness dimension of machined parts


0.4 0.4 0.4

Maximum flatness of grinding parts


≤ 0.008mm(φ200) ≤ 0.008mm(φ200) ≤ 0.008mm(φ200)

Highest flatness of polishing parts


≤ 0.005mm(φ200) ≤ 0.005mm(φ200) ≤ 0.005mm(φ200)

Surface roughness of grinding parts


≤ Ra0.15μm ≤ Ra0.15μm ≤ Ra0.15μm

Surface roughness of polishing parts


≤ Ra0.125μm ≤ Ra0.125μm ≤ Ra0.125μm

Overall dimensions (approx.: length x width x height)


1650x1300x2650 1650x1300x2650 1800x1500x2650

Weight of whole machine


2800 2600 3000

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Keywords: CNC grinding machine series, grinding and polishing machine series, intelligent equipment, metallurgical energy equipment
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