
The process of induction hardening of medium frequency is used to ensure the hardness of the working surface of the wheel housing, so that the wheel housing has good wear resistance and impact resistance, and also extends the service life.
Wheel case
The process of induction hardening of medium frequency is used to ensure the hardness of the working surface of the wheel housing, so that the wheel housing has good wear resistance and impact resistance, and also extends the service life.
Improving the design
The asterisk of the model 5A has a sleeve of the shaft head, which was replaced from the original type from resin with bimetallic material, which is the same as the material of the support wheel; And the type of solid forging was replaced by inlaid detachable forging. The welded type, which increases the strength of the welding of the central part.