| 摘要 |
The invention relates to a fuel injection nozzle for internal combustion engines, comprising a nozzle body (1) and a nozzle needle (3) guided therein. According to the invention, an arched nozzle bore channel (4) is provided in a conical crown area (11) of the nozzle body (1). A nozzle bore channel (4) which is arched in this way can be produced using a spark erosion method. According to this method, a suitably arched electrode is fed into the nozzle body (1) along a circular path.
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