Analysis of diametrical wear of grinding wheel and roundness errors in the machining of steel VC 131

Souza, Cauê Natam de; Catai, Rodrigo Eduardo; Aguiar, Paulo Roberto de; Salgado, Manoel Henrique; Bianchi, Eduardo Carlos

doi:10.1590/s1678-58782004000200013

Cited by 6 publications

(5 citation statements)

References 3 publications

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“…Since cutting forces are increased, the workpiece finishing is impaired and roundness errors are increased, as well as wheel wear. High temperatures in cutting zone cause the uncontrolled mechanical expansion and retraction of the workpiece which are the most outstanding causes of roundness errors [28]. By the fact that, in the current work, the traditional MQL technique is not able to remove efficiently the heat from the cutting zone, the roundness errors are increased, as can be seen in Fig.…”

Section: Roundness Errormentioning

confidence: 84%

Plunge cylindrical grinding with the minimum quantity lubrication coolant technique assisted with wheel cleaning system

Bianchi

Rodriguez

Hildebrandt

et al. 2017

Int J Adv Manuf Technol

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MQL technique is considered as a cleaner machining compared to the conventional coolant delivery one, thereby ensuring environmental sustainability and economic benefits. However, one of problems commonly reported when using the MQL technique is the wheel clogging phenomenon as a result of the inefficient chip removal from the cutting zone, then the chips lodge inside the pores of the grinding wheel, adversely affecting the quality and the finishing of the final product. In this context, this study was carried out to evaluate the performance of the minimum quantity lubrication coolant technique assisted with a wheel cleaning jet (MQL + WCJ) in plunge grinding of hardened steel. This cooling-lubrication technique was tested using the following flow rates: 30, 60, and 120 ml/h. Comparative tests were also carried out with the conventional coolant technique, as well as with the traditional MQL technique (without the wheel cleaning jet). The output variables used to assess the efficiency of the MQL + WCJ technique are roughness, roundness, workpiece microhardness, grinding wheel wear, and power consumption. The results showed that the machining with the MQL + WCJ technique outperformed the traditional MQL technique in all the output parameters investigated. Also, the efficiency of the MQL + WCJ technique increased with flow rate, thereby being an alternative coolant delivery technique in grinding due to cleaner environment, more sustainable and lower consumption of fluid compared to conventional coolant one. No thermal damages and cracks on the machined surface and sub-surfaces were observed after grinding AISI 4340 steel, irrespective of the technique.

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Section: Roundness Errormentioning

confidence: 84%

Plunge cylindrical grinding with the minimum quantity lubrication coolant technique assisted with wheel cleaning system

Bianchi

Rodriguez

Hildebrandt

et al. 2017

Int J Adv Manuf Technol

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“…However, the object must have the central axis of the rotation. This includes but is not limited to the shapes such as a cylinder, an ellipse, a cam or a crankshaft 10 . Agarwal and Venkateswara Rao 11 investigated the relation between the chip thickness and the surface roughness in the grinding of ceramic materials.…”

Section: Grindingmentioning

confidence: 99%

Application of the Taguchi method to select the optimum cutting parameters for tangential cylindrical grinding of AISI D3 tool steel

Özay¹,

Ballikaya²,

Savaş³

2016

Mater. Tehnol.

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The purpose of this research was an analysis of the optimum cutting conditions for the lowest surface roughness in tangential cylindrical grinding of the AISI D3 tool steel using the Taguchi method. In this experimental investigation, the surface roughness with various wheel speeds, workpiece speeds, feed rates and depths was observed. The surface roughness was investigated employing the Taguchi design of experiments and an analysis of variance (ANOVA). Significant machining parameters were identified using the signal-to-noise ratio. The results of the experiments indicate that the wheel speed and feed rate have dominating effects on the surface roughness during the cutting. The developed new grinding process can be used in the machining industries in order to determine the optimum cutting parameters for the minimum surface roughness. Keywords: tangential cylindrical grinding, Taguchi method, surface roughness, ANOVÂ lanek predstavlja analizo optimalnih pogojev rezanja s Taguchi metodo, za doseganje najmanj{e hrapavosti pri tangencialnem cilindri~nem bru{enju orodnega jekla AISI D3. Pri teh eksperimentih je bila opazovana hrapavost povr{ine pri razli~nih hitrostih kolesa, razli~nih hitrostih obdelovanca ter razli~nih hitrostih in globinah podajanja. Povr{inska hrapavost je bila preiskovana z uporabo Taguchi-jeve postavitve preizkusov in analize variance (ANOVA). Pomembni parametri obdelave so bili identificirani z uporabo razmerja signal -hrup. Rezultati eksperimentov ka`ejo, da imata hitrost kolesa in hitrost podajanja prevladujo~o vlogo pri hrapavosti povr{ine in parametrih rezanja. Razvoj novega postopka bru{enja se lahko uporabi v strojni industriji za dolo~anje optimalnih pogojev rezanja pri minimalni hrapavosti povr{ine. Klju~ne besede: tangencialno cilindri~no bru{enje, Taguchi metoda, hrapavost povr{ine, ANOVA

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“…Os melhores lubrifi cantes são os óleos integrais, porém são extremamente nocivos à saúde do trabalhador. Então, os lubrifi cantes mais usados são emulsões sintéticas que podem ser recicladas e garantem boa qualidade de refrigeração e lubrifi cação [14,20]. O ph de fl uidos de corte deve estar entre 9 e 11 e pode ser controlado através da quantidade de emulsionante.…”

Section: Fluido De Corteunclassified

“…Um novo tipo de bocal para aplicação de fl uido foi proposto para retifi cação cilíndrica onde a zona retifi cada fi cou envolvida com fl uxo de fl uido de corte [18]. [20,24]. O uso de fl uidos de corte é um problema para o meio ambiente e para o trabalhador.…”

Section: Métodos De Lubri-refrigeraçãounclassified

Retificação de cerâmica de alumina relacionada com diferentes técnicas de lubri-refrigeração: convencional e mínima quantidade de lubrificação

et al. 2011

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INTRODUÇÃOOs processos de manufatura industriais têm avançado de tal forma a sempre visar à melhoria da qualidade do produto fi nal aliado à diminuição de custos de produção. Do mesmo modo, a preocupação ambiental é uma realidade para as empresas que devem seguir leis e normas para garantir o bom uso dos recursos naturais e evitar danos ao meio ambiente.A retifi cação é um processo utilizado para acabamento de peças onde se utiliza fl uido de corte como lubrifi cante. Esse fl uido é nocivo ao meio ambiente e o consumo energético do processo varia de acordo com os parâmetros utilizados. Corpos cerâmicosDurante o processo de fabricação das cerâmicas,

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Analysis of diametrical wear of grinding wheel and roundness errors in the machining of steel VC 131

Cited by 6 publications

References 3 publications

Plunge cylindrical grinding with the minimum quantity lubrication coolant technique assisted with wheel cleaning system

Plunge cylindrical grinding with the minimum quantity lubrication coolant technique assisted with wheel cleaning system

Application of the Taguchi method to select the optimum cutting parameters for tangential cylindrical grinding of AISI D3 tool steel

Retificação de cerâmica de alumina relacionada com diferentes técnicas de lubri-refrigeração: convencional e mínima quantidade de lubrificação

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