Purpose: Recently, Polyamide 66 and Teflon as plastic materials have been widely used at the manufacturing of gear mechanism. The purpose of the paper is to examinee the load capacity of PC/ABS spur gears and investigation of gear damage. Design/methodology/approach: In this study, usability of PC/ABS composite plastic materials as spur gear was investigated. PC/ABS gears were tested by applying three different loading at two different numbers of revolutions on the FZG experiment set. Findings: As a result of the experiments, load capability of PC/ABS materials was seen rather high, if one of the spur gear pair was steel (AISI 8620). Practical implications: In fact that, PC/ABS materials are durable against flame, air, ultraviolet lights and holding lower moisture than PA66 GFR 30 materials, the usage of them brings an advantage in many industrial areas. Originality/value: Using PC/ ABC materials provides many advantages due to fire, air and ultraviolet light durability and low moisture holding properties.
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