H4SV-9-C p of the Deutsche Babcock AG Flender GmbH Comp Helical gear unit H4

Flender/Flender Gear Units/Helical gear unit H4

f4 = 0.7 Gear unit with auxiliary cooling required Fan Cooling coil Water-/air-oil cooler Fan and cooling coilPG < P2 Kth : Auxiliary cooling is requiredPG = PGA f4 PG = 5.4 kWOn-load factor: 1% Installation in large hall (wind velocity 1.4 /) altitude up to 1 Gear unit with synthetic PAO oil ISO-VG3 Kth = 0.8Gear unit with dip lubricationFor the calculation below, the following has been assumed: Assumptions corresponding to operating conditions Without auxiliary coolingType: B3SH Speed of the high speed shaft (HSS, n1 = 1 rpm)Ambient temperature: = 4 CNominal ratio: iN = 5Size: 9Data required: Flender GmbH 2NER GROUP CO.,LIMITED Germany sogears HB series gearbox 3/1 Flender MD 2.1 2Design of the gear units Guidelines for selection Service factors Overview Driven machine factor f1 Note: The listed load parameters are empirical values. Prerequi- site for their application is that the machinery and equipment mentioned correspond to generally accepted design and load specifications. In case of deviations from standard conditions, please contact us. For driven machines which are not listed in this table, please refer to us.Driven machines Effective operating period under load in hours 0.5 >0 . 5- 1 0 >1 0 Waste water Thickeners (central drive) 1.2 Filter presses 1.0 1.3 1.5 Flocculation apparatus 0.8 1.0 1.3 Aerators 1.8 2.0 Raking equipment 1.0 1.2 1.3 Combined longitudinal and rotary rakes 1.0 1.3 1.5 Pre-thickeners 1.1 1.3 Water screw pumps 1.3 1.5 Water turbines 2.0 Pumps Centrifugal pumps 1.0 1.2 1.3 Displacement pumps -1 1.3 1.4 1.8 - > 1 piston 1.2 1.4 1.5 Excavators Bucket conveyors 1.6 1.6 Dumping devices 1.3 1.5 Caterpillars 1.2 1.6 1.8 Bucket wheels - as pick-up 1.7 1.7 - for primitive material 2.2 2.2 Cutter heads 2.2 2.2 Swing gears 1.4 1.8 Plate bending machines 1.0 1.0 Chemical industry 1.6 Dough mills 1.8 1.8 Rubber calenders 1.5 1.5 Cooling drums 1.3 1.4 Mixers for - uniform media 1.0