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A New Approach to Calculating Feeder Size and Location with Simulation Software
Abstract
A new approach of feeder calculation was introduced in this paper. By using the simulation software, the feeder size and location can be calculated easily and test by run simulation, the results can be seen directly. Take the rocker arm as an example, the method was introduced by using SOLIDCast.
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Considers the problem of designing traditional (e.g. vibratory
bowl) feeders for singulating and orienting industrial parts. The
ultimate goal is to prototype new designs using analytically- and
geometrically-based methods. The authors have developed a tool for
designing industrial parts feeders based on dynamic simulation. The
authors' tool allows them to automatically perform multiple feeder
design experiments, and to evaluate their outcomes. These results can
then be used to compute the probabilities of a Markov model for the
feeder. To demonstrate the technique, the authors present preliminary
results for the design of two simple feeders. The findings suggest that
using dynamic simulation is a promising approach for designing parts
feeders
The use of vision permits many types of parts to be easily fed that are difficult or impossible to feed in hard tooled systems. These include parts that become entangled, as well as those with internal features, (such as holes) and painted markings.
The optimal design of a casting rigging system is considered. The casting geometry is systematically modified to minimize
the gate and riser volume, while simultaneously ensuring that no porosity appears in the product. In this approach, we combine
finite-element analysis of the solidification heat-transfer process with design sensitivity analysis and numerical optimization
to systematically improve the casting design. Methods are presented for performing the sensitivity analysis, including the
sensitivity of important solidification parameters such as freezing time, temperature gradient, and cooling rate. We also
present methods for performing Newton-Raphson iteration for solidification models that use the boundary-curvature method to
represent the sand mold. Finally, the methods are applied to design risers for an L-shaped steel plate to control microporosity
and for a steel hammer to control macroporosity. It is demonstrated that the size of a conventionally designed riser can be
reduced by a significant amount while retaining the quality of the cast product.