Ступица стояночного тормоза, наружный диаметр 229,93 мм Caterpillar 246-8781

The Parking Brake Hub, featuring both internal and external splines, plays a crucial role in the motor grader's parking brake system. The internal splines securely connect with a shaft, effectively immobilizing the Grader when the parking brake is engaged, preventing any rotation. Simultaneously, the external splines interface with clutch plates and friction discs, enabling controlled engagement and disengagement of the parking brake. This dual-spline design ensures a dependable and safe parking brake system, enabling operators to confidently park the Motor Grader on a variety of terrains without the risk of unintended movement.Attributes:• External spline pressure angle: 20°• Internal spline pressure angle: 30°• External spline module: 3.628• Internal spline module: 1.587• Facilitates controlled parking brake engagement and disengagement• Enhances safety during periods of inactivity• Facilitates safe parking on uneven or sloped surfacesApplications:This Parking Brake Hub is used to engage and disengage the parking brake, preventing unintentional movement and allowing secure parking on various surfaces.