Abstract An approach to study the whirling motion of BTA (boring trepanning association) deep hole boring system is presented by introducing excitation in form internal forces between bar and workpiece. This involves nonhomogeneous boundary conditions with homogeneous equations. The mathematical bar-workpiece cutting external suppression will transform problem into equations homogenous conditions. Using this obtained at different points on assembly. External reduce whirl amplitude same...

The demand for lubricants is continuously increasing with the increase in establishment of factories and tremendous number vehicles other means transportation. oil consumed can be a great source contamination if it thrown as waste or considered new energy properly used, all depends on methods how reused. This study shows to innovative reusing waste-oil while keeping basic characteristics base oil. In this experiment, process known acid clay used restore original oil-waste collected from...

Machinability is one of the important properties a material. It about cutting material with maximum metal removal, in shortest time, best surface finish while having tool life. The high quality very order to face required accuracy and marketing needs. In this paper we present technique for modeling machining process Alumic-79 2 4-flutes head. paper, optimum parameters, which are feed rate, spindle speed depth cut, found 2-flutes head obtain finish.

Abstract This article is an attempt to optimize the surface finish of roller burnished nonferrous components. The effect both burnishing force and number tool passes was studied, while other parameters were kept constant. Two materials—namely, pure aluminum (Al 99.85) high machining brass (Cu Zn 3g Pb3) bars—were considered. A fuzzy logic model used achieve optimum for finish. predicted that values finish, under considered conditions, may be obtained using a 25 Kgf with four aluminum, 30...

In this study, an innovative mathematical approach to predict the whirling motion in Boring Trepanning Association (BTA) deep hole boring process is introduced. This was developed for bar-workpiece assembly process. The interaction point drilling operations between tool cutting head and workpiece a machining dynamically resemblance cam follower system. drilling, however, excitation could be simulated as wedge introduced obtained by means of assumed mode method. energy, kinetic dissipation...

Abstract In view of the large number machining parameters that influence system dynamics, experimental study is performed using Boring Trepanning Association's (BTA) deep hole drilling process by varying cutting (workpiece rotational frequency, feed rate, and tool usage), which are considered as input process. The specimens were then tested for roundness, an output this study, first order Sugeno-fuzzy models designed data roundness data. relation between created to find on surface quality in...

This paper presents a restructured intelligent Model-Free Control (MFC) algorithm that is designed for Multi-Input-Multi-Output (MIMO) system. In the literature, MFC Single-Input-Single-Output (SISO) system, where MIMO system controlled by decomposing it into multi-SISO systems, and then controller applied on each one of them. The complexity implementing multi-MFC controllers can be reduced using proposed MIMO-MFC controller. Moreover, ultra-local model gain matrix in structure will computed...

Active control of whirling vibrations in a deep hole boring barworkpiece assembly is implemented to improve the surface finish drilled piece BTA (Boring Trepanning Association) process.

In this paper, first order Sugeno models are proposed to model the relationship between different cutting parameters and resulting cylindricity error. This gives machine operator opportunity predict for a given set of parameters. Hence, best can be picked achieve cylindricity. A second shows that should vary while drilling in reduce whirling mode. As amplitude is reduced, leads better

An innovative modeling approach to study the whirling motion of lathe machine in intermediate turning stage is presented by introducing system excitation form cutting forces between edge head and workpiece. This involves nonhomogeneous boundary conditions with homogeneous equations. The mathematical enabled us solve problem modal analysis transforming into equations homogenous conditions. proposed enables predict at different locations on edge-workpiece system.

The present paper is on the study of whirling dynamics tool workpiece system in a deep hole machining process.An innovative analytical model proposed order to carry out simulation studies vibrations boring process.At interaction point bar-workpiece there will be an additional displacement addition torque transmitted.This dynamic origin and could simulated as wedge introduced between cutting head-workpiece assemblies.An assumed mode method with Lagrangian equations was used derive mathematical system.

Dynamic torque is transmitted in geared rotors and the response when system excited by random static transmission error investigated. The error, which takes into account all factors causing dynamic loading gears, consider as a forces. This force assured form of output second order linear filter white noise with peak occurring at tooth passing frequency. In this study, it assumed that there no load contact between mating teeth resulting affects backlash were neglected. problem analyzed...

In this paper, first order Sugeno-fuzzy logic-based models are constructed using the cutting parameters as an input data and surface roughness (roundness) output data. Mapping between input-output spaces is to find effect of on quality in terms roundness error which indication roughness. Hence, best conditions lathe machine selected improve output. A method proposed accurately establish relationship different resulting irregularities form subtractive clustering technique based Sugeno fuzzy...

This work concentrates on the first order Sugeno model of power spectral density (PSD) a multi degree freedom system. Two models are introduced, single and In both models, relationship between input-output densities is modeled using model. Minimum error with fewer numbers rules for each obtained through enumerative search clustering parameters. The resulting best parameters then tuned by adaptive neurofuzzy inference system (ANFIS). paper attempt in introducing fuzzy systems some patents...

An innovative vibration model for a virtual reality bike frame is developed and manufactured. The was set up using kinetic, potential dissipating energy equations. Lagrangian equation used to derive the equations of motion in y z directions. Matlab simulation find response system under different parameters. In all cases found stable with wobbling/whirling motion.