Yuhuan CNC Machine Tool Co., Ltd.

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YH2M8436A high precision vertical double side grinding machine

The machine is mainly used for double-sided grinding and polishing of metal parts such as valve plate, valve plate, friction plate, rigid sealing ring, cylinder piston ring, oil pump blade, etc. It can also be used for double-sided grinding and polishing of silicon, germanium, quartz crystal, glass, ceramics, sapphire, gallium arsenide, lithium niobate and other non-metallic hard and brittle material sheet parts.

Keywords

Precision grinding, intelligent manufacturing technology, integrated solutions

Classification

Lapping & Polishing

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Typical Machining Parts

Typical Machining Parts

Valve plate

Piston ring

Glass cover plate

Sealing plate

sapphire wafer

Equipment Highlights

Equipment Highlights

(1) The machine is controlled by four motors. The upper disk, the lower disk, the sun gear and the inner ring gear are all driven by independent reduction motors. The control is flexible and the process range is wide, which can meet the needs of different processing technologies;

(2) The inner gear ring realizes precision lifting and automatic adjustment through the ball screw pair;

(3) The system adopts full closed-loop control, multiple sensor feedback, real-time monitoring and adjustment of processing parameters;

(4) automatic detection, feedback and compensation of processing pressure, digital input pressure parameters;

(5) equipped with constant temperature cooling system, grinding fluid temperature by the sensor automatic detection feedback, automatic adjustment of grinding fluid temperature;

(6) Three-stage filtration system can effectively separate impurities and avoid secondary scratches;

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

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

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

Technical parameters

Technical parameters

Project	YH2M8436A
Size of upper and lower grinding discs (outer diameter x inner diameter x thickness)(mm)	φ1148xφ 355x45/50
Planetary wheel specifications	DP = 12 Z = 200
Number of planet wheels n	3 ≤ n≤ 5
Maximum size of workpiece (mm)	360 (rectangular diagonal)
Minimum thickness dimension of machined parts (mm)	0.4
Precision of machined parts (mm)	0.006
Dimensional accuracy of workpiece thickness (mm)	0.01
Machined surface roughness of the workpiece	No more than Ra0.15μm Polishing parts Ra0.125μm
Lower grinding disc speed (rpm)	10-60 (stepless speed regulation)
Upper grinding disc speed (rpm)	3-16 (stepless speed regulation)
Sun gear speed (rpm)	3-30 (stepless speed regulation)
Gear ring speed (rpm	3-30 (stepless speed regulation)
Overall dimension (approx.: length x width x height)(mm)	2050 × 1500 × 2700
Overall weight (approx.)(Kg)	4500