Therefore the helical gear are modified to attain a localized point contact and to avoid edge contact. However, helical gears are very sensitive to axial misalignments, causing discontinuous transmission errors and edge contacts, resulting in noise and vibrations. Conventional parallel axes helical gears with Involute profile teeth are insensitive to center distance assembly errors and possess line contact under design assembly condition. The helical gears are designed as per AGMA standard procedure. The gear system is composed of one bull gear and two pinions. Since the pinions rotate at high speeds the complete gear system is subjected to noise and vibrations. The project is concerned with the design and analysis of some of the key elements of a gearbox that is used to drive compressor units.
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