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BS 1134:2010

BS 1134:2010

$198.66

Assessment of surface texture. Guidance and general information

Published By Publication Date Number of Pages
BSI 2010 60
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This British Standard gives guidance on the measurement of surface texture using a stylus instrument. This standard describes the way in which measurements can be taken and how to interpret the results. The guide also gives recommendations for the use of comparison specimens.

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8 Figure 1 Co‑ordinate system
Figure 2 The effect of measuring in different directions to the surface lay
9 Figure 3 Two surfaces with the same Ra value but different functional characteristics
12 Figure 4 Separation of surface texture into roughness, waviness and profile
15 Figure 5 Profile elements
Figure 6 Local slope
16 Figure 7 Maximum profile peak height, example of roughness profile
17 Figure 8 Maximum profile valley depth, example of roughness profile
18 Figure 9 Derivation of the arithmetical mean deviation
19 Figure 10 Determination of Ra and Rq
20 Figure 11 The difference between positive and negative skewness
21 Figure 12 Width of profile elements
23 Figure 13 Material ratio curve
24 Figure 14 Profile section level separation
Figure 15 Profile height amplitude distribution curve
25 Figure 16 Amplitude distribution curve
26 Table 1 Surface roughness values produced by common production processes and materials
27 Figure 17 Elements of the typical stylus instrument
29 Table 2 �Relationship between the roughness cut‑off wavelength lc, tip radius and maximum sampling spacing
30 Figure 18 The effects of using a stylus with a spherical tip
31 Figure 19 Example of a stylus tip measuring a re-entrant feature
32 Table 3 �Choice of cut‑off wavelength for a number of common machining operations
Dimensions in millimetres
38 Table 4 Estimates for choosing roughness sampling lengths for the measurement of non-periodic profiles
Table 5 Estimates for choosing roughness sampling lengths for the measurement of non-periodic profiles
39 Table 6 Estimates for choosing roughness sampling lengths for the measurement of periodic tables
Table 7 Types, names and uses of material measures
40 Figure 20 Type A1 material measure
41 Figure 21 Procedure for the assessment of Type A1 measures
Figure 22 Type A2 material measure
42 Figure 23 Type B2 material measure
Figure 24 Type B2 material measure
Figure 25 Type B3 material measure
43 Figure 26 Type C1 material measure
Figure 27 Type C2 material measure
44 Figure 28 Type C3 material measure
Figure 29 Type C4 calibration artefact
Figure 30 Type D1 material measure
45 Figure 31 Type D2 material measure
46 Figure 32 Type E2 material measure
52 Table 8 Change of the total uncertainty in a height measurement
Table 9 Stated uncertainties for measurements made with ACMESURF
53 Table A.1 Old and new surface texture parameters, ISO 4287:1997

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BS 1134:2010
$198.66