This machine is designed for grinding and polishing both sides of the parallel surface of thin metal and hard brittle non-metal parts.

It uses a Gantry structure with good stability and strong rigidity. The maximum pressure withstood by the machine with a double oil cylinder is 1500 kg.

The double oil cylinder is used to control the pressure by the electro-hydraulic proportional valve. The upper tray adopts with 304 stainless steel which is strong in corrosion resistance.

The cooling-heating structure which is in charge of controlling the surface temperature is equipped are both of the upper and lower plates.

The overall speed can be matched and adjusted with the speed of the sun gear, inner gear, upper plates, and lower plates.

The machine has a good compact in size as saving in space.


Technical Data:

Machine Type YH2M8195
Size of Upper Plate (OD x ID x T) (mm) φ1070 × φ495 × φ45
Size of Lower Plate (OD x ID x T) (mm) φ1070 × φ495 × φ45
Size of Dressing Wheel (4 pcs) Thickness=δ=20 (diamond modify wheel=δ=25)
Pin Gear OD:φ327.5mm ,Z=64
Min Thickness of Workpiece 0.6
Max Size of Workpiece φ280 (diagonal)
The Precision of Processed Piece The precision of processed piece: single flatness and parallelism are within 0.006mm, the whole workpiece is within 0.008mm. (workpiece with dia 50mm)
The Roughness of Workpiece Surface no larger than Ra0.15, polishing workpiece no larger than Ra0.125
Flatness of Upper & Lower Lapping Plate 0.035
Vibration fo Lower Lapping Plate 0.03
The Lower Grinding Disc Speed (rpm) 10-80
The Upper Grinding Disc Speed (rpm) 8-50
The Sun Wheel Speed (rpm) 5-35
Gear Speed (rpm) 3-35
The Motor of Lower Plate 15 kW, rated speed 1440 rpm
The Motor of Upper Plate 11 kW, rated speed 1440 rpm
The Motor of Sun Wheel & Inner Gear 3 kW, rated speed 1430 rpm
Overall Dimension (L x W x H) (mm) 2500 x 2000 x 3000
Total Weight (kg) 9000

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Vertical Double Disc Surface Lapping & Polishing Machine (YHM77110)

  • Product Code: Vertical Double Disc_YHM77110
  • Availability: In Stock