By Konstantinos Salonitis (auth.)
This publication provides the grind-hardening technique and the most reports released because it was once brought in Nineties. The modelling of a few of the facets of the method, corresponding to the method forces, temperature profile built, hardness profiles, residual stresses and so on. are defined intimately. The publication is of curiosity to the study neighborhood operating with mathematical modeling and optimization of producing processes.
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Extra resources for Grind Hardening Process
Example text
9 Specific energy as a function of material removal rate (based on [3]) 43 Gr. 3 m/min us =30 m/s 60 40 upl 20 uch 0 0 2 4 6 8 Material Removal rate (uw ae ) – (mm 2/s) The cutting energy is the sum of the chip formation and the plowing energy. 9). Furthermore, it has been proven experimentally that the chip formation energy has a constant value that does not depend on the process parameters, the grinding wheel specifications or the workpiece material. 8 J/mm3. 3 Model Implementation and Validation Salonitis et al.
All the sub-models presented are validated with experimental results and provide insights on how the process behaves under different processing conditions. 2 Grinding Kinematics—Grinding Wheel Topography Toenshoff et al. [1] indicated that the grinding process kinematics is a series of stochastic engagements that depend on a number of factors such as the microstructure of the grinding wheel, the process parameters and the geometric parameters. Through the analysis of grinding kinematics, a number of process characteristics can be determined that will be used later on for estimating the grinding forces and the process energy.
8). 2 Cutting Forces The cutting forces can be determined from the specific energy which is defined as the energy expended per unit volume of material removed. 22) where uc is the specific cutting energy and Ft,c is the sum of chip formation and plowing forces. 9 Specific energy as a function of material removal rate (based on [3]) 43 Gr. 3 m/min us =30 m/s 60 40 upl 20 uch 0 0 2 4 6 8 Material Removal rate (uw ae ) – (mm 2/s) The cutting energy is the sum of the chip formation and the plowing energy.