1.2.3.2.1.1 Mounting the encoder disc
If Circulo’s internal encoders are used, it is important that the recommended tolerances are respected. In this
example, the inner encoder is used to measure the actuator position (reducer output) while the outer encoder
measures the motor position. The magnetic rings are bonded to the aluminum adapters using an adhesive for
gluing the hub to the shaft (tested with Loctite 648) and a G6/h7 fit for the inner and H7/g6 for the outer
encoder disc. These aluminum adapters are connected to the appropriate shaft by a press-fit connection. It is
important that these parts are machined and assembled accurately, as all mechanical imperfections influence
the encoder’s performance.
More details about mounting encoder rings can be found in this section.
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