| 摘要 |
In the punched tape prodn. method, the designer's sketch of a specific component indicates the key dimensions. The sketch is located in a copying terminal that digitises the data and provides it as input to a computer. The computer may be used in an interactive way to effect corrections, make modifications, change the scale etc. Each change may be examined by providing print out of the drawing on a plotter. When the configuration is finalised the drawing data may be digitised and a punched tape produces for automatic machine control. The system is particularly suitable for use with flame cutting machines.
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