Increased load capacity of worm gears by optimizing the worm wheel bronze

The lifetime of worm gears is usually delimited by the bronze-cast worm wheels. The following presents some optimized cast bronzes, which lead to a doubling of wear resistance. Worm gears are of growing importance in the field of power transmission. Above all, increasing environmental consciousness,...

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Bibliographic Details
Published in:Gear technology 2002-05, Vol.19 (3), p.33-37
Main Authors: Predki, W, Nass, U
Format: Magazinearticle
Language:English
Subjects:
Bending strength
Binary alloys
Bronze
Elastic moduli
Elasticity
Eutectics
Nickel
Solid solutions
Tensile strength
Wear resistance
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Summary:The lifetime of worm gears is usually delimited by the bronze-cast worm wheels. The following presents some optimized cast bronzes, which lead to a doubling of wear resistance. Worm gears are of growing importance in the field of power transmission. Above all, increasing environmental consciousness, which comes along with strict legal restraints concerning noise control, leads to an increased spread of this low-noise type of gearing. Apart from soundproofness, the great range of gear ratios (i = 5-80) that can be realized within a single stage, is counted among the positive properties. The aim of today's work on optimizing the bronze is to increase wear resistance while keeping the specific advantages of the material. This will lead to an improved efficiency and a higher endurance in worm gears.
ISSN:0743-6858