Abstract
“Grinding Mechanism having Advanced Secondary Rotational Axis” is one of the newer plane surface grinding methods that has an uncommon abrasion mechanism. Unlike conventional methods, in Grinding Mechanism having Advanced Secondary Rotational Axis, there are two rotations of a wheel. The first rotation is the same as the conventional grinding methods, which is the circumferential rotation. The other rotation is the newly developed axial rotation, where the wheel rotates around itself perpendicular to its radial axis. In the grinding process, the grinding force, energy, power, and temperature are directly related to the material removal rate. In this article, the chip model in Grinding Mechanism having Advanced Secondary Rotational Axis was addressed and material removal rate was reformulated. The new chip ratio formula was adapted to the grinding force, energy, power, and temperature in the conventional plane surface grinding method. The chip formed in the conventional plane surface grinding method consists of two-dimensional xy plane. In Grinding Mechanism having Advanced Secondary Rotational Axis, on the other hand, the chips consist of three-dimensional xyz plane. The reason behind this is the second rotation obtained in Grinding Mechanism having Advanced Secondary Rotational Axis (axial rotational motion). The chip model was obtained from the combination of two rotations in Grinding Mechanism having Advanced Secondary Rotational Axis. As a result, the resulting chip model increased the material removal rate only slightly and this increase was negligible. Accordingly, an increase in grinding force, energy, power, and temperature was observed at negligible rates.
Highlights
Grinding operation in an important manufacturing method, which allows for obtaining workpieces of desired shape, dimension, and tolerance
The chip formula obtained with the new rotation is the same compared with the chip model developed by other researchers, yet only the length of cut is observed to be higher
A three-dimensional parabolic chip model resembling a comma was obtained in xyz plane compared with the new rotation added to the grinding wheel rotation in the classical grinding technique
Summary
Grinding operation in an important manufacturing method, which allows for obtaining workpieces of desired shape, dimension, and tolerance. This method is especially used in cases where workpieces cannot be manufactured at desired accuracy and surface quality with other methods (turning, milling, etc.).. Chip models and cutting forces have been researched for a very long time. Some of these studies focused on chip model in grinding technique. Other studies focused on cutting parameters in grinding processes.
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