A proposal of measurement methodology and assessment of manufacturing methods of nontypical cog belt pulleys

Abstract The paper presents measurement processes for noncircular cog belt pulleys using classical and Rapid Inspection methods. The authors researched various manufacturing methods in order to find an accurate, simple and cheap method of manufacturing noncircular cog belt pulleys. A characteristic feature of noncircular cog belt pulleys is the pitch variation on the external profile. The noncircular cog belt pulleys were manufactured using the profiling method with the application of a two-edge cutting tool, set of end mills, wire electrical discharge machining and abrasive water jet. Due to the lack of information on standardisation it was necessary to prepare a measurement methodology for the geometrical features and surface structure of noncircular cog belt pulleys after machining. The authors proposed a measurement methodology for nontypical cog belt pulleys, conducted experimental investigations and presented a set of directions for process engineers manufacturing these pulleys.

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