Laminated core for electric machine, electric machine having laminated core, and method for producing stator base body

The invention relates to a laminated core (10) for forming magnetic poles of an electric machine (12), an electric machine (12), and a method for producing a stator base body (16), comprising individual metal sheets (20) which are axially laminated on one another and which form a T-shaped section (22) having a radially outer yoke region (24) with an outer circumference (25) and a radially inwardly projecting tooth shank (26), the metal sheet (20) has a connecting projection (30) on a first side (18) in the tangential direction (9) and a corresponding recess (31) for the connecting projection (30) on a second side (19) in the tangential direction, an inner arc section (35) being formed at least on a radial inner side (33) of the connecting projection (30), the outer circle center (37) of the arc section lies radially within the yoke region (26) at a radial distance (47) from the outer circumference (25). 用于形成电机（12）的磁极的叠片铁心（10）、电机（12）、以及用于制造定子基体（16）的方法，带有单独的沿轴向彼此叠层的金属片（20），金属片形成T形段（22），T形段具带外圆周（25）和径向向内伸的齿柄（26）