Nninvolute gear profile error detector pdf files

They studied an optimal path plan for helical gear profile inspection with. Gear generation is also produced with gear type cutters using a shaper or planer machine. The errors of the conoscopic holography sensor compared with the. The main part of the involute gear profile error detector is the base circle disc in which the gear is mounted. Figure 5 line of engagement is kept at centerline connecting plane. This angle is the contact angle between two gears when the tangents of two gears pass through the contact point. Autodesk has remouved support for enteties only format. Noninvolute gearing, function and manufacturing compared. Optical inspection system for gear tooth surfaces using a. The gear is locked by means of locking arrangement which has a shaft and it is coupled to the bearings. This paper deals with the tooth profile error of spur gears that have been finished by roll forming. Gears with pressure angles of 20o and 25o are also used.

For larger gears a span measurement over several gear teeth will be done. Optical inspection system for gear tooth surfaces using a projection moire method. The most common tooth profile is an involute curve with a 14. As we proceed from the pinion on the electric motor to the gear on the output shaft, how do the pitch and face width vary. Open dxfs with qcad or solid works, ec but not with autocad. During gear hobbing the size of a gear is measured throughout the production run as a process control by the operator. Of particular interest in our present investigation is the rotation of one gear relative to the other as a result of the elastic deflection of the te. Design and fabrication of involute gear profile error detector synopsis the primary aims of the project it to check the involute profile error by applying. It shows how the pitch line of a rack cutter rolling on a pitch circle generates a spur gear. As shown in figure 1, this measurement is normally done using balls or pins of a specified diameter to contact the gear tooth profile at the pitch diameter. Geometric error detection of curveface gear pairs chao lin, chao.

Involute gear profile error detector mechanical project learn. The whole locking arrangement is coupled by means of a locking screw arrangement called locking handle which. Design and fabrication of involute gear profile error detector. Gear is a widely used mechanical component whose primary use is to transmit power from one shaft to other. Three most common types are spur gears, bevel gears, and worm gears. Gear shapers with pinion cutters can also be used to generate involute gears.