電磁力駆動の高速往復動テーブルの試作

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This paper describes the results on the development of a high-speed reciprocating table driven by electromagnetic force. The table is driven for quick acceleration and quick deceleration by the repulsion force due to electromagnetic impulsive force. The force is produced between a coil and the conductive material facing the coil when a powerful current flows through the coil by sudden discharge. The computer-controlled stopping system which already suggested by the authors is applied in order to attain the quick stopping of the table. The table mainly consists of a mobile table, a pair of coils and electric circuits, and a control system for driving. The table is guided by linear bearings through linear shafts supported by stands on the left and right to ensure linear motion on a straight line. For the purpose of inducing an eddy current, two aluminum plates are attached to both table surfaces facing the coils. The motion of the table can be summarized as follows. The table is at first accelerated by the coil set at the stand on one side, and is run freely at a constant high speed. When the table accesses the other coil surface, the discharge current flows through the coil. Then the table stops quickly if the discharge timing is adequately controlled. The repeated motion mentioned above is the principle of the reciprocating table mechanism developed. As the result of the experiments, stable reciprocating motions were ascertained even with varied table speed. In the cutting tests of soft vinyl resin using the developed table, the cut surfaces became smooth with increasing cutting velocity.
公益社団法人精密工学会の論文
1990-11-05

電磁力駆動の高速往復動テーブルの試作

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