Method and assembly device for assembling an electric machine

A method for assembling a rotor segment of an electric machine, wherein the rotor segment includes a rotor shaft, at least one laminated core joined to the rotor shaft, and two pressure elements that clamp the at least one laminated core, the method comprising:

• positioning the rotor shaft in an assembly device and orienting the rotor shaft using an orienting means of the assembly device;
• positioning the at least one laminated core and at least one of the two pressure elements within a clamping means of the assembly device;
• orienting an angular position of the at least one laminated core by way of at least one positioning module of the clamping means, wherein a quantity of the at least one positioning module corresponds to a quantity of the at least one laminated core being joined to the rotor shaft;
• moving the rotor shaft relative to the clamping means such that the at least one laminated core is pushed onto the rotor shaft and the at least one of the two pressure elements is connected to the rotor shaft;
• and
• moving the rotor shaft relative to the clamping means until the at least one laminated core makes contact with a pressure element that is premounted on the rotor shaft.

A method for assembling a rotor segment of an electric machine, wherein the rotor segment includes a rotor shaft, at least one laminated core joined to the rotor shaft, and two pressure elements that clamp the at least one laminated core, the method comprising:

• positioning the rotor shaft in an assembly device and orienting the rotor shaft using an orienting means of the assembly device;
• positioning the at least one laminated core and at least one of the two pressure elements within a clamping means of the assembly device;
• orienting an angular position of the at least one laminated core by way of at least one positioning module of the clamping means, wherein a quantity of the at least one positioning module corresponds to a quantity of the at least one laminated core being joined to the rotor shaft;
• moving the rotor shaft relative to the clamping means such that the at least one laminated core is pushed onto the rotor shaft and the at least one of the two pressure elements is connected to the rotor shaft;
• and
• positioning the orienting means on a first flange element of the rotor shaft such that
• a chuck segment of the orienting means encloses at least partly a section of the first flange element, or
• a receiving segment of the orienting means engages at least partly with a recess of the first flange element.

A method for assembling a rotor segment of an electric machine, wherein the rotor segment includes a rotor shaft, at least one laminated core joined to the rotor shaft, and two pressure elements that clamp the at least one laminated core, the method comprising:

• positioning the rotor shaft in an assembly device and orienting the rotor shaft using an orienting means of the assembly device;
• positioning the at least one laminated core and at least one of the two pressure elements within a clamping means of the assembly device;
• orienting an angular position of the at least one laminated core by way of at least one positioning module of the clamping means, wherein a quantity of the at least one positioning module corresponds to a quantity of the at least one laminated core being joined to the rotor shaft;
• moving the rotor shaft relative to the clamping means such that the at least one laminated core is pushed onto the rotor shaft and the at least one of the two pressure elements is connected to the rotor shaft;
• and
• detecting an angular position of a marking of the at least one laminated core with a sensor means of the clamping means.

A method for assembling a rotor segment of an electric machine, wherein the rotor segment includes a rotor shaft, at least one laminated core joined to the rotor shaft, and two pressure elements that clamp the at least one laminated core, the method comprising:

• positioning the rotor shaft in an assembly device and orienting the rotor shaft using an orienting means of the assembly device;
• positioning the at least one laminated core and at least one of the two pressure elements within a clamping means of the assembly device;
• orienting an angular position of the at least one laminated core by way of at least one positioning module of the clamping means, wherein a quantity of the at least one positioning module corresponds to a quantity of the at least one laminated core being joined to the rotor shaft;
• and
• moving the rotor shaft relative to the clamping means such that the at least one laminated core is pushed onto the rotor shaft and the at least one of the two pressure elements is connected to the rotor shaft;
• wherein the at least one laminated core comprises a plurality of laminated cores, wherein angular positions of the plurality of laminated cores are offset-able relative to one another, the method comprising adjusting the angular positions of the plurality of laminated cores by way of an orienting tool that positions the plurality of laminated cores with respect to one another based on a marking on each of the plurality of laminated cores.

An assembly device for assembling a rotor segment of an electric machine, wherein the rotor segment includes a rotor shaft, at least one laminated core joined to the rotor shaft, and two pressure elements that clamp the at least one laminated core, the assembly device comprising:

• an orienting means for orienting the rotor shaft in a defined assembly position;
• and
• a clamping means for positioning the at least one laminated core and at least one of the two pressure elements relative to the rotor shaft, the clamping means comprising at least one positioning module for orienting an angular position of the at least one laminated core relative to the rotor shaft, wherein a quantity of the at least one positioning module corresponds to a quantity of the at least one laminated core being joined to the rotor shaft
• wherein the orienting means comprises
• a chuck segment for partly enclosing and receiving a section of the rotor shaft, or
• a receiving segment for partly engaging with and receiving a section of the rotor shaft.