broach cutter pilot pin

The importance of ejector pin (pilot pin) for broach cutters.

Rohan Raut

The ejector pin or also called as the pilot pin has 3 major functions to use with broach cutters:

Centering: The ejector pin is exactly positioned to the center punch mark. Switch the magnet on and the machine and broach cutter are in the drilling position.

Oiling: By means of the automatic internal lubrication, cutting oil is supplied via the ejector pin to broach cutter in just the right quantity.

Ejecting: In the final stage, the ejector pin, pre-stressed by means of a spring, pushes the core out of the drill hole made by broach cutter.

use of pilot pin in broach cutter
Image copyrights @ BDS Maschinen GmbH

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