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首页> 美国政府科技报告 >Development, Implementation and Test of a Computer Program for the Production of Axisymmetric Pattern Moulds on a Numerically Controlled Milling Machine
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Development, Implementation and Test of a Computer Program for the Production of Axisymmetric Pattern Moulds on a Numerically Controlled Milling Machine

机译：在数控铣床上生产轴对称模具的计算机程序的开发，实现和测试

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The specific purpose of the report is to describe the development of a computer program which was written to drive a numerically controlled milling machine. The milling machine itself was used for the production of axisymmetric pattern molds required as part of a much larger project. The overall project objectives involve the manufacture of an annular aerofoil (nozzle) from a number of annular segments. Each segment is to be constructed from plastic laminates, incorporating male/female end couplings, which are subsequently bonded together to form the completed product. The primary requirements of the finished inner and outer molds are dimensional accuracy and surface smoothness, each of which may be realized through a computer-driven production process. The issue of surface smoothness raises a few difficulties. As a consequence, the report examines the practical utility of a number of surface spline fitting methods and derives, in general terms, the requirements for surface smoothness appropriate to the mold production method adopted. Photographs of the molds are included in the report, as is a listing of the computer program.

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