This paper presents a numerical model developed to compute the quasi-static load sharing. Worm gears are widely used in power transmission applications, in which a compact high reduction and a relatively low speed drive is required. de Vaujany, in International Gear Conference 2014: 26th–28th August 2014, Lyon, 2014 ABSTRACT Loaded behaviour of steel/bronze worm gearĭ. In the next point the determination of the power losses will be described. Other no-load dependent power losses are the churning and the shaft seals power losses. But latter has also a no-load dependent part. Load-dependent power losses are the tooth friction power losses and the bearing power losses. The loss sources can be divided into load-dependent and no-load dependent components. To determine these power losses it is necessary to know the local loads of every machine element. The potential loss sources in a worm gear box and the power flow assigned to the shafts 1 and 2 in a worm gear drive are illustrated in Figure 1. Therefore the losses in worm gear drives can basically be traced back to four reasons tooth friction P ltf, oil churning P lchur, bearings P lbear and shaft seals P lseal losses. These machine elements cause power losses in the transmission. A single gear box includes only two shafts with the coupled worm and worm wheel, bearings, seals and oil sump.
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