Braking Efficiency and Stability of Chassis Braking System of Combine Harvester: The Theoretical Derivation and Virtual Prototype Simulation

Table 3

Parameters of the main components of the chassis braking system.

Parameter		Symbol	Unit	Value
				Front axle	Rear axle
Brake	Diameter of brake disk		mm	480	300
	Thickness of brake disk		mm	15	15
	Outside diameter of friction pad		mm	230	140
	Inside diameter of friction pad	1/	mm	175	110
	Effective radius of friction pad		mm	203.74	125.60
	Thickness of friction pad		mm	10	10
	Radian of friction pad		°	70	70
	Friction factor of friction pad		-	0.6	0.6
	Brake factor		-	1.2	1.2
Brake drive mechanism	Maximum pressure of wheel cylinder		MPa	10	10
	Diameter of wheel cylinder		mm	56	25.4
	Diameter of master cylinder		mm	30	30
	Piston travel of master cylinder		mm	30	30