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  • BSI
    BS 3800-3:1990 General tests for machine tools - Method of testing performance of machines operating under loaded conditions in respect of thermal distortion
    Edition: 1990
    $313.97
    / user per year

Description of BS 3800-3:1990 1990

This Part of BS 3800 gives methods for assessing the contribution to workpiece inaccuracy arising from the thermal behaviour of the machine, due to internal heat sources, in respect of:

  1. distortion of the structure; and
  2. drift of the axis drives.

The tests for thermal distortion of the structure are applicable to any machine which incorporates a rotating spindle or spindles supporting the tool or the workpiece. The tests are designed to establish the relative displacements occurring between the tool and workpiece sides of the structure as a result of thermal expansion or contraction of key structural elements .

The tests for thermal drift of the axis drives are applicable to numerically controlled (NC) machines only and are designed to quantify the effects on positioning accuracy and repeat ability of thermal expansion and contraction of the axis drives .



Method of assessing inaccuracy arising from thermal distortion of the machine in respect of distortion of the structure and also drift of the axis drive.

Standard NumberBS 3800-3:1990
TitleGeneral tests for machine tools - Method of testing performance of machines operating under loaded conditions in respect of thermal distortion
StatusConfirmed
Publication Date1990-09-28
DescriptorsTesting conditions, Accuracy, Machine tools, Deformation, Test equipment, Thermal stability, Reproducibility, Performance testing, Dimensional measurement
ICS25.080.01 Machine tools in general
CommitteeMTE/1
ISBN0 580 18141 3
PublisherBSI
Pages18

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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