Self centering tool make equal chamfer at both end. Rolling type tool looking like a shaping Cutter gives better tool life. Tool construction compensates for width variation of face up to 0.20 mm. Automatic tool hunts if gear does not engage with tool. The machine has two slides, one horizontal slide for chamfering operation & one vertical slide for deburring operation. After setting, the cycle is automatic i.e. only loading unloading is manual