The aim of this study was to develop an efficient and realistic response surface optimization technique for the design of V-belt drive for optimum power output of the drive in machinery design. Optimization mathematic...The aim of this study was to develop an efficient and realistic response surface optimization technique for the design of V-belt drive for optimum power output of the drive in machinery design. Optimization mathematical model of the V-belt drive was constructed. The power output of the belt drive was modeled and optimized by the Response Surface Methodology (RSM). Analysis of variance was used to evaluate the extent of influence of each independent variables on the power output response of the belt drive. A RSM optimization process was proposed to calculate optimal power output for V-belt drive given a set of pulley diameter for the drive employed in a tilling machine. The analysis showed that optimum power output of the drive for workshop light operation machinery could be obtained at driving and driven pulley radius range of 550 - 900 mm and 250 - 500 mm. An optimum power output of 1418.76 kW was obtained at driving and driven pulley radius of 846 and 486 mm respectively for a farm tilling machine.展开更多
This paper presents a study on the optimum determination of partial transmission ratios of a mechanical drive system using a V-belt and a helical gearbox with second-step double gear-sets in order to get the minimum s...This paper presents a study on the optimum determination of partial transmission ratios of a mechanical drive system using a V-belt and a helical gearbox with second-step double gear-sets in order to get the minimum size of the system. The chosen objective function was the cross section dimension of the system. In the optimization problem, the design equation for pitting resistance of a gear set was investigated and equations on moment equilibrium condition of a mechanic system including a V-belt and a helical gearbox with second-step double gear-sets and their regular resistance condition were analysed. Based on the results of the study, effective formulas for calculation of the partial ratios of the V-belt and a helical gearbox with second-step double gear-sets were proposed. By using explicit models, the partial ratios can be determined accurately and simply.展开更多
This paper introduces a new study on the optimum calculation of partial transmission ratios of a mechanical drive system using a V-belt and a three-step helical gearbox in order to get the minimum size of the system. ...This paper introduces a new study on the optimum calculation of partial transmission ratios of a mechanical drive system using a V-belt and a three-step helical gearbox in order to get the minimum size of the system. The chosen objective function was the cross section dimension of the system. In solving the optimization problem, the design equation for pitting resistance of a gear set was investigated and equations on moment equilibrium condition of a mechanic system including a V-belt and three helical gear units and their regular resistance condition were analysed. From the results of the study, effective formulas for determination of the partial ratios of the V-belt and three-step helical gearboxes were introduced. As using explicit models, the partial ratios can be determined accurately and simply.展开更多
Power transmission by the belts is defined as,the transmission of power by a moving pulley to one or more driven machines through a flexible non-metallic member.There are different types of V-belts available,and Trans...Power transmission by the belts is defined as,the transmission of power by a moving pulley to one or more driven machines through a flexible non-metallic member.There are different types of V-belts available,and Transmission Belts are one of them.Transmission V-Belt is the first invented non-metallic belts.Nowadays V-belts are used in various conditions,especially high-power transmission.These V-belts are finding their importance in many heavy industries.One of the good features of this type belt is no slippage occurs during the run.NR and SBR have used elastomers and can act as a base rubber material for this purpose.This study includes the compounding improvement for transmission V-Belts with NR and SBR rubber blends.There were so many numbers of failures in different ways during the initial research.Product failure methods and effect analysis(PFMA)have done by testing the belts multiple times and it has found that the major factors for the failure and less durability were excessive heat build-up(HBU)and poor fatigue resistance,poor crack initiation and growth,the resistance of the materials.So,initially reduction of HBU has successfully made in many steps by studying the properties of various compounds with a different type of fillers combinations,rubber combinations,curing systems variations etc.We have also improved the adhesion strength with cord and fabrics.Initially,we have taken one compound showing better properties in all aspects and have taken Belt Trial.And after some more improvement,we have found a compound showing better properties in all the cases than first trial and regular trials.By using that compound,we have developed Belts and showing better durability than earlier experiments and regular production.展开更多
文摘The aim of this study was to develop an efficient and realistic response surface optimization technique for the design of V-belt drive for optimum power output of the drive in machinery design. Optimization mathematical model of the V-belt drive was constructed. The power output of the belt drive was modeled and optimized by the Response Surface Methodology (RSM). Analysis of variance was used to evaluate the extent of influence of each independent variables on the power output response of the belt drive. A RSM optimization process was proposed to calculate optimal power output for V-belt drive given a set of pulley diameter for the drive employed in a tilling machine. The analysis showed that optimum power output of the drive for workshop light operation machinery could be obtained at driving and driven pulley radius range of 550 - 900 mm and 250 - 500 mm. An optimum power output of 1418.76 kW was obtained at driving and driven pulley radius of 846 and 486 mm respectively for a farm tilling machine.
文摘This paper presents a study on the optimum determination of partial transmission ratios of a mechanical drive system using a V-belt and a helical gearbox with second-step double gear-sets in order to get the minimum size of the system. The chosen objective function was the cross section dimension of the system. In the optimization problem, the design equation for pitting resistance of a gear set was investigated and equations on moment equilibrium condition of a mechanic system including a V-belt and a helical gearbox with second-step double gear-sets and their regular resistance condition were analysed. Based on the results of the study, effective formulas for calculation of the partial ratios of the V-belt and a helical gearbox with second-step double gear-sets were proposed. By using explicit models, the partial ratios can be determined accurately and simply.
文摘This paper introduces a new study on the optimum calculation of partial transmission ratios of a mechanical drive system using a V-belt and a three-step helical gearbox in order to get the minimum size of the system. The chosen objective function was the cross section dimension of the system. In solving the optimization problem, the design equation for pitting resistance of a gear set was investigated and equations on moment equilibrium condition of a mechanic system including a V-belt and three helical gear units and their regular resistance condition were analysed. From the results of the study, effective formulas for determination of the partial ratios of the V-belt and three-step helical gearboxes were introduced. As using explicit models, the partial ratios can be determined accurately and simply.
文摘Power transmission by the belts is defined as,the transmission of power by a moving pulley to one or more driven machines through a flexible non-metallic member.There are different types of V-belts available,and Transmission Belts are one of them.Transmission V-Belt is the first invented non-metallic belts.Nowadays V-belts are used in various conditions,especially high-power transmission.These V-belts are finding their importance in many heavy industries.One of the good features of this type belt is no slippage occurs during the run.NR and SBR have used elastomers and can act as a base rubber material for this purpose.This study includes the compounding improvement for transmission V-Belts with NR and SBR rubber blends.There were so many numbers of failures in different ways during the initial research.Product failure methods and effect analysis(PFMA)have done by testing the belts multiple times and it has found that the major factors for the failure and less durability were excessive heat build-up(HBU)and poor fatigue resistance,poor crack initiation and growth,the resistance of the materials.So,initially reduction of HBU has successfully made in many steps by studying the properties of various compounds with a different type of fillers combinations,rubber combinations,curing systems variations etc.We have also improved the adhesion strength with cord and fabrics.Initially,we have taken one compound showing better properties in all aspects and have taken Belt Trial.And after some more improvement,we have found a compound showing better properties in all the cases than first trial and regular trials.By using that compound,we have developed Belts and showing better durability than earlier experiments and regular production.
