Researcher Collab

About

After gaining information about gear engineering field bachelor’s and master degree based activities at Gaziantep University.

His experiences on powertrain and transmission systems at academic level stimulated a wish to continue work on field at also professional level. His M.Sc. Research Project: Developing A Software for Proper Assembly of Planetary Gearbox Components with Low Backlash. His M.Sc. study has been finalized via international patent " A method for proper mounting grouping of planetary gearbox components with a low backlash value target ".

He started at level is Gearbox Product Technical Leader at VALEO Company. Then, He gain a level Reducer Mechanical Design Leader. Currently, he is pursuing PhD level pertinent studies at Uludağ University. His main career goals are being a specialist engineer for Drivetrain. Also, he would like to contribute to engineering science by doing academic studies. PhD Thesis Proposal is "Tribological investigation of IPE on Cryogenic Conditions for Gear Bearing Drive "

He is a academic member of AGMA/MPMA and member of ASME, STLE, IAENG, CSME, VDI, SAE. He is performing several duties like Topic Organizer , Peer-reviewer voluntarily in journals , conferences.

You can feel free to communication for consulting service on Mechanical/Gear/Powertrain Engineering fields projects and R&D Project writing.

Areas of Interest

Gear Engineering Powertrain Engineering Tribology Optimisation Gearboxes Transmission Development

A study on prediction & validation of meshing gear pair backlash under various manufacturing and assembly errors

Backlash is a need for proper gear mesh but also a defect if not controlled closely. Few studies have focused on controlling backlash with some mechanical solutions that can be applied. Few other studies have shown interest in estimation of minimum / maximum variable backlash. The operating backlash of meshing gears is affected by many factors among which runouts, pitch errors and tooth thicknesses are the three most pronounced manufacturing errors. All these three parameters are the measurable ones once the gears are manufactured. Center distance and phasing of meshing gears are the examples of assembly errors which may affect the operating backlash. A software has been developed to predict likely maximum and minimum backlash of a gear pair selected arbitrarily and assembled together. For the validation of software predictions an experimental setup is needed for backlash measurements. Thus, a special test rig is designed and constructed for experimental measurements of the operating backlash under some manufacturing and assembly errors of a gear pair. Good agreements have been achieved between backlash predictions and measurements thus validating the in-house prepared software for backlash calculations.

The Self-Compensation Approach for Backlash on Gear Pair

Abstract The way to properly account for variations in operating center distance and in functional tooth thickness are not obvious. The method presented here will give a good estimate of the range of operating backlash, provided the range of operating center distance and the range of operating functional tooth thickness is known. A method of estimating the functional tooth thickness from a combination of the nominal tooth thickness range and the elemental tolerances are presented. In unidirectional or bidirectional cases, gears have a certain amount of space usually called “backlash” between meshing teeth flanks are allowed for functional reasons. While backlash is a requirement for efficient performance of a gear pair under lubrication and possible occurrence of interference duties, it is also a hard to control parameter under manufacturing, and assembly errors, heating of the gearbox elements. However, optimum/correct value of the required backlash is not well defined and calculated before the actual gear pairs are put into operation. Researchers and engineers who study on power transmission field, mechanical design, and controlling field have been focused to backlash by investigating its influence onto gear behavior, predict, remove, minimize, and optimize. In this approach, probabilities of minimum backlash configurations have been performed creating adjacent pitch deviation document which is effectful parameter based on manufacturing reports approximately via MATLAB. Thus, how backlash is minimum could via certain configurations between gears have been evaluate using phasing methodology under defined contact teeth which are provides minimum backlash chance.

Publish Year: 2021
Developing a Software for Proper Assembly of Planetary Gearbox Components with Low Backlash

Gears are the machine elements used widely for transmission of torque and motion it follows that transmission of power. In applications the main aim is to transmit torque gears usually rotate unidirectional whereas in applications where main aim is to transmit motion gears usually rotate bidirectional. In both cases, even if rotates unidirectional or bidirectional, a certain amount of space (free angular movement usually called “backlash”) between meshing teeth flanks are allowed for functional reasons. Backlash is a need for proper gear mesh also a defect if it is not controlled closely. One of the gear drive types used in robot, like critical applications is planetary gearbox. Therefore, establishing backlash value in planetary gearboxes is a practical problem for critical industries. In this thesis, pertinent parameters effecting backlash of a planetary gearbox will be determined and relations between each parameter and backlash will be formed. Assuming that an assembly line of a pair of gears are supplied with hundreds of driving and driven gears each of which was measured, and all measured data are stored in a data base. The software will estimate likely maximum and minimum backlash of a pair selected. Thus, a method of assembly procedure will be performed a range of backlash for planetary gearboxes. Such selected pairs with targeted backlash range is predicted via the software and it will help speed up the assembly process and reduce the number of rejected for planetary gearboxes assemblies.

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