Ceramic CBN grinding wheel for fuel nozzle machining

Detailed information

Fuel injection industry

With the development of the industry, the products include S nozzle, P nozzle, electronically controlled pump, and now high-pressure common rail. There are higher requirements for product precision. Foreign high-end grinders such as UVA and Bamiller have entered China one after another, and domestic traditional machine tools have been eliminated. Ordinary corundum and silicon carbide grinding wheels are gradually replaced by CBN grinding wheels.

Fuel injection system

The fuel injection system and injection technology of a car are characterized by its more precise control of the injection volume and atomization effect, and have good performance in terms of fuel consumption and emission.

Grinding parameters:

Application type: processing of hollow bottom surface of needle valve body

Workpiece material: 18G Ni8

Grinding wheel size: 3.3*10*16°-M2/4*6.5-M2

Grinding wheel speed: 100000r/min

Roughness: Ra0.1

Correction interval: 8-12 pieces/time

Grinding allowance: 0.012mm in radial direction