Structural features：

1，Bed casting: bed casting using HT200 materials, precision manufacturing processes resin sand casting, secondary aging, smooth surface appearance, good vibration absorption and less distortion

2，Control system: Mitsubishi PLC + position control module, dual servo control workpiece feed, Dresser compensation mechanism.

3，Workpiece spindle: The sleeve structure. Using high precision and high rigidity spindle bearings, using oil-mist lubrication; shaft sealed with airtight structure. Spindle shaft end flange runout ≤ 3μm, axial runout ≤ 2μm. Working box could not rotate.

4，Speed control: workpiece driven by AC motor V belts, AC inverter speed

5，Supporting: end positioning, supporting the use of carbide support, unintentional electromagnetic clamping fixtures

6，Air device: use the pneumatic element with high filtering precision, ensure the cleanliness of the air source; air pressure is 0.4-0.6Mpa。