| 摘要 |
A method of manufacturing a clad metal column for linear motor, wherein a core material provided with a convex-and-concave pattern consisting of many longitudinal, transverse, or slanted grooves, or the combination thereof on its peripheral surface is inserted into a pipe made of a good conductor, and said pipe is fit tight onto the peripheral surface of above-mentioned core material by the reduction of diameter of pipe by means of drawing or extrusion.
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