A constant air gap between rotor and stator is crucial for the functioning and efficiency of the electric motor. In addition to the coaxiality of the bearing and stator bores, the roundness and cylindrical shape of the bearing seat are decisive for this. In order to meet the high coaxiality demands, it is advantageous to machine the bearing seat in one clamping setup (retraction machining). In the case of tubular or pot-shaped housing, there is at least one bearing point in a separate bearing cover, which is positioned on the electric motor housing via position bores or fitting surfaces.
1. Pre-machining
Boring of bearing and position holes
PCD bore milling tool
Multi-stage bore milling tool with solid carbide step drill
Boring and circular milling with a single tool
Brazed PCD cutting edges
ISO boring tool
Multi-stage boring tool with solid carbide step drill
PCD-tipped ISO indexable inserts
2. Finish machining
1 / 5
Panoramica degli strumenti
Fresa a disco ISO con step di barenatura integrato
Bareno con sistema WP
Alesatore ad alta precisione
2 / 5
Fresa a disco ISO con step di barenatura integrato
Alesatura del foro cuscinetto
Finitura di superfici piane e scanalatura radiale
3 / 5
Bareno con sistema WP
Inserti in PCD
Regolabile
Pattini di guida
Retrolamatura integrata
4 / 5
Alesatore ad alta precisione
Utensile combinato multistadio con punta a gradino brasata