620285ZF-4 - 空气弹簧

ZF Series620285ZF-4

Model	Path	0.7Mpa Max	Capacity			0.7Mpa Frequency	Trip		Weight
Model	Path	0.7Mpa Max	0.2Mpa	0.5Mpa	0.7Mpa	0.7Mpa Frequency	Minimum height	Safe height	Weight
620285ZF-4	560	640	4688	11945	16972	1.39	145	330	19.9

Technical performance parameter list of air spring

	Installation height								0.7MPa Volume(dm³)
Bearing load Power （kg）	Inflation pressure	0.2MPa	0.3MPa	0.4MPa	0.5MPa	0.6MPa	0.7MPa	0.8MPa	0.7MPa Volume(dm³)
	145(mm)	5545	8399	11205	14032	16883	19714	22442	35.69
	175(mm)	5364	8114	10855	13598	16382	19090	21830	42.44
	205(mm)	5187	7825	10533	13171	15889	18517	21223	49.29
	235(mm)	4983	7615	10182	12752	15327	17952	20591	56.38
	285(mm)	4688	7085	9516	11945	14454	16972	19382	68.39
	330(mm)	4402	6738	9076	11383	13759	16138	18535	77.11
	355(mm)	4191	6449	8743	10973	13292	15557	17844	80.78
Stiffness and frequency at design height	Vertical stiffness(Kg/cm)	466	649	781	965	1137	1303	1435
Stiffness and frequency at design height	Natural frequency Hz	1.58	1.51	1.43	1.42	1.40	1.39	1.36
Stiffness and frequency at design height	Natural frequency cpm	95	91	96	85	84	83	82