Investigation of the influence of lubricating oils on the turning of metallic materials with cryogenic minimum quantity lubrication

Energy assessment of different cooling technologies in Ti-6Al-4V milling

“…Damir et al [29] found that hybrid cryo-MQL assured tool life durations comparable to the ones achieved using high-pressure coolant HPC turning. Similar results were found by Gross et al [30] in turning. Hanenkamp et al [31] discovered that the mill duration (cryo + MQL) was strongly affected by the oil properties.…”

“…Once the spindle motor power was formalized, the following power comparisons can be defined, and the power assessment can be performed (Eq. 30…”

“…System development [39](O,dm,m1,c5) [44](M,dm,th,c0) [17](M,nb,tw,c5) [18](M,dm,m1,c5) [19](M,nb,tw,c5) [20](M,tb,tw,c1) [21](M,tb,tw,c1) Process optimization [41] (T,nb,m1,c5) [53] (T,nb,m1,c5) Assessment and corresponding adopted methodology Experimental [43](M,tb,th,c5) [57](M,tb,m1,c5) [58](T,tb,m2,c0) [38](T,nb,m2,c1) [10] (T,tb,m2,c5) [60](M,tb,m2,c5) [63] (T,tb,m1,c1) [64](T,tb,f,c1) [65](T,tb,m1,c6) [66](T,tb,tw,c1) [67](T,tb,m1,c6) [68](T,tb,m1,c6) [69](O,st,en,c5) [70](T,tb,m1,c1) [36](T,tb,m1,c1) [37](M,tb,m1,c5) [55](T,tb,m1,c5) [54](T,tb,m1,c6) [47](T,st,m1,c6) [40](T,st,m1,c0) [56](M,tb,m1,c1) [50](M,tb,tw,c1) [52](T,st,m1,c5) [42](O,tb,m2,c5) [51](M,tb,tw,c1) [13] (T,tb,en,c1) [22](O,st,m1,c1) [23](T,st,m2,c5) [24](M,nb,m1,c5) [25](M,nb,m1,c5) [27](T,dm,tw,c5) [28](M,tb,tw,c5) [29](T,tb,m1,c5) [26](M,tb,tw,c5) [30](T,dm,m1,c1)…”

Engenharia: a máquina que constrói o futuro

“…Os fluidos de corte analisados foram as emulsões (aplicadas por inundação) e o resfriamento por criogenia (CO2 e N2 líquidos). Segundo esses autores, a utilização de nitrogênio líquido teve um menor consumo de energia, menor impacto na saúde humana e uma redução do consumo de energia, Isso é atribuída à alta quebra de cavacos resultante da fragilização do material, e reduz o comprimento de contato do cavaco da ferramenta, como também relatado por Gross et. al.…”

On the validity of the Reynolds equation for the simulation of wet grinding processes

“…The same applies to the development of sustainable cutting fluids. Since large proportions of the cutting fluids currently used are fossile-based and use additives that might have harmful properties [3], a substitution of these components with organic or water-based components is desirable in order to reduce efforts and costs, as well as negative impacts from an environmental point of view. However, for a successful substitution of the oil-based components, an understanding of the influences of the fluid properties on the grinding processes and their results is necessary in order to be able to carry out tailored substitutions.…”