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Fuel injector nozzles and mechanical filters drilling


Fuel Injector Nozzles Drilling

The fuel injector nozzle is critical to the performance of engines. Some of the important injector nozzle parameters are nozzle hole size and geometry. High quality holes of diameters less than 145 μm are required for the manufacture of diesel fuel injection nozzles for improved combustion efficiency and reduction of emission to the environment. The practice of using electro-discharge machining (EDM) drilling of fuel injection nozzles is limited in terms of the hole size it can produce effectively and the length of time needed to drill.

Fuel injector nozzles drilling with laser-based machines is attractive alternative to elder methods. As ultrashort pulse lasers are being used to drill or cut through the material the laser beam is concentrated precisely on working area. As a result, evaporation of the material proceeds without the interim melting phase and any further corrections such as burrs and bulges elimination are not necessary. Such parameters as high accuracy drilling, processing speed, flexible hole shaping make laser micromachining technology the best choice for fuel injector nozzles production.


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