Abstract
This article focuses on static analysis to integrate the necessary components for the design of spindle-toolholder-tooling systems; the modeling and analysis of the systems is based on a mathematical model using a systematic approach for evaluating the static deflection at the cutting point. The analysis addresses the deflection of most of the components in the system including the spindle shaft, front and rear bearings, toolholder, cutting tool and their corresponding spindle-toolholder and toolholder-tool interfaces modeled with linear (radial) and rotational (tilting) springs. The effects of design parameters on the static performance of these systems are analyzed in order to assess the contribution and the influence of the individual system components. Computations and experimental results show that improvements can be made in the system by adjusting the aforementioned parameters. The proposed strategy is to iteratively predict the tool deflection at the tool tip using the analytical model based on the superposition appoach. The model is simple and it provides tremendous assistance to an engineer to select the proper toolholder and tool for minimum deflection.
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