Minimum energy in abrasive processes

Malkin, S.; Joseph, Nympha Rita

doi:10.1016/0043-1648(75)90201-x

Cited by 56 publications

(27 citation statements)

References 7 publications

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“…The cutting forces can be determined from the specific energy which is defined as the energy expended per unit volume of material removed. The specific energy is given by equation [19]: Based on the experimental results presented in [16], the following equation can be drawn:…”

Section: Cutting Forcesmentioning

confidence: 99%

External grind-hardening forces modelling and experimentation

Salonitis

Stavropoulos

Kolios

2013

Int J Adv Manuf Technol

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Grind hardening process utilizes the heat generated in the grinding area for the surface heat treatment of the workpiece. The workpiece surface is heated above the austenitizing temperature by using large values of depth of cut and low workpiece feed speeds. However, such process parameters combinations result in high process forces that inhibit the broad application of grind hardening to smaller grinding machines. In the present paper, modelling and predicting of the process forces as a function of the process parameters is presented. The theoretical predictions present good agreement with experimental results. The results of the study can be used for the prediction of the grind-hardening process forces and therefore, optimize the process parameters so as to be used with every size grinding machine.

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Section: Cutting Forcesmentioning

confidence: 99%

External grind-hardening forces modelling and experimentation

Salonitis

Stavropoulos

Kolios

2013

Int J Adv Manuf Technol

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“…mechanisms of material removal in grinding ceramics [6,7], grinding of silicon nitride [8][9][10], energy concerns with grinding [11][12][13][14], and by relating the grinding forces and energy to various parameters associated with the nondeformed chip geometry [15,16].…”

Section: Introductionmentioning

confidence: 99%

Wear behavior of diamond wheel for grinding optical connector ferrule — FEA and wear test —

2008

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The grinding characteristics and the wear behavior of diamond wheel for grinding the optical connector ferrule were investigated by finite element analysis (FEA) and wear test. FEA of contact between diamond wheel and ferrule shows that the subsurface damage area of ferrule is 13µm from the interface of abrasive particle and matrix. Fallout of abrasive particle is affected by the stress state at the interface. A 2-D finite element model was established to calculate the distribution of stress at the interface. As the result of FEA, fallout condition of abrasive was concerned with the ratio of the critical protrusion; the ratio of particle size is about 0.6. FE model was established to investigate the effects of the diamond concentration of wheel. The FEA result shows that the lower concentration of it has larger wear volume due to the small stress propagation.. To investigate grinding performance, the pin-on-disc wear test was carried out for three types of concentrations 75%, 100% and 125%. Through the wear test, it was confirmed that the 75% wheel concentration has the highest amount of wear volume. This result shows good agreement with that of FEA. And 100% concentration by considering the grinding ratio of the wheel shows the best optimized result for the grinding performance.

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“…Malkin and Joseph state that the specific shearing energy for chip formation during grinding is close to the specific melting energy of the material [17,28]. This reasoning however is not intuitive because the material removal in grinding is based on shearing processes and the rim zone temperatures are lower than the melting temperature of the materials [11].…”

Section: Specific Grinding Energymentioning

confidence: 99%