Yoke

In the unidirectional needle roller bearing, the yoke generally refers to the soft magnetic material that does not produce electromagnetic field (magnetic induction line), only uses the magnetic induction line to transmit in the magnetic circuit, and widely uses the soft iron, A3 steel and its soft magnetic alloy with high permeability to produce and manufacture the yoke. In some unique places, the yoke is also effective to produce and manufacture the ferrite core raw material.

The yoke is a yoke made of ferrite core stack in the thrust needle roller bearing. It is evenly and symmetrically divided around the electromagnetic induction coil. Its function is to restrain the magnetic flux leakage of the electromagnetic induction coil from spreading to improve the efficiency of the magnetic induction plus wechat friends. In addition, as a magnetic shield, it can reduce the scalding of the metal structure such as the furnace frame, and also has the function of structural reinforcement of the induction switch