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Тезис Предпросмотр

This standard is intended for use when the run-out accuracy of the moving parts of electron beam welding machines

complying with EN ISO 14744-1 is to be measured in connection with an acceptance inspection. It provides

information on the procedure and apparatus to be used for making the measurements. Given the great variety of

electron beam welding machines, the scope of measurements required for acceptance inspection purposes should be

specified separately for the machine concerned.

Run-out accuracy as defined here is a systematic error and thus counts as one of the parameters by which the

performance of a machine tool can be characterized. Other factors influencing performance (e.g. dynamic forces,

vacuum level, positioning accuracy of CNC machines) and methods of statistical evaluation are not covered in this

standard.

Electron beam welding involves movement of the workpiece and/or of the electron gun. Successful welding

presupposes that this movement is effected by the devices concerned (e.g. work table and rotating fixture) with a

given degree of accuracy. The purpose of the measurement is thus to check whether and to what extent the required

run-out accuracy is maintained.


Общая информация

  • Текущий статус :  Published
    Дата публикации : 2000-04
  • Версия : 1
  • :
    ISO/TC 44/SC 10
    Quality management in the field of welding
  • 25.160.30
    Welding equipment

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