HOWO TRUCK WHEEL HUB
HOWO TRUCK BRAKE CHAMBER also known as sub pump, its role is to change the pressure of compressed air to brake the camshaft to turn the mechanical force, to achieve braking action.
HOWO TRUCK WHEEL HUB DESCRIPTION：
HOWO TRUCK WHEEL HUB is a drum shaped inner part of the tire supporting the tire, and a metal part with a center mounted on the shaft.
HOWO TRUCK WHEEL HUB include the following parts：
1, Rim: cooperate with the tire assembly to support the wheel part of the tire.
2, spoke: install and connect with axle hub, support wheel part of rim.
3, offset: the distance between the center surface of the rim and the spoke mounting surface. There are positive and negative distance and negative distance.
4, flange: the rim part that supports and supports the tire direction.
5, bead seat: also known as the installation surface, and the tire ring contact, supporting the maintenance of tire radial direction of the rim part.
6, groove bottom: for the convenience of tire assembly and disassembly, there is a pit with a certain depth and width on the rim.
7, valve hole: installing the hole of the tire valve mouth.
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HOWO TRUCK BRAKE CHAMBER PICTURE: