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BSI PD ISO/TR 15144-1:2014

BSI PD ISO/TR 15144-1:2014

$189.07

Calculation of micropitting load capacity of cylindrical spur and helical gears – Introduction and basic principles

Published By Publication Date Number of Pages
BSI 2014 46
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 Section sec_1
Section sec_2
Section sec_3
Section sec_3.1
1 Scope
2 Normative references
3 Terms, definitions, symbols, and units
3.1 Terms and definitions
10 Section sec_3.2
Table tab_1
3.2 Symbols and units
12 Section sec_4
4 Definition of micropitting
13 Section sec_5
Section sec_5.1
Section sec_5.2
5 Basic formulae
5.1 General
5.2 Safety factor against micropitting, Sλ
14 Section sec_5.3
5.3 Local specific lubricant film thickness, λGF,Y
15 Section sec_5.4
Section sec_5.5
5.4 Permissible specific lubricant film thickness, λGFP
5.5 Recommendation for the minimum safety factor against micropitting, Sλ,min
16 Section sec_6
Section sec_6.1
6 Material parameter, GM
6.1 Reduced modulus of elasticity, Er
17 Section sec_6.2
6.2 Pressure-viscosity coefficient at bulk temperature, αθM
18 Section sec_7
Section sec_7.1
7 Velocity parameter, UY
7.1 Sum of tangential velocities, vΣ,Y
19 Section sec_7.2
Section sec_7.2.1
Section sec_7.2.2
7.2 Dynamic viscosity at bulk temperature, ηθM
20 Section sec_8
Section sec_8.1
Section sec_8.2
8 Load parameter, WY
8.1 Local Hertzian contact stress pdyn,Y,A according to Method A
8.2 Local Hertzian contact stress pdyn,Y,B according to Method B
21 Section sec_8.2.1
Section sec_9
9 Sliding parameter, SGF,Y
22 Section sec_9.1
Section sec_9.2
Section sec_9.2.1
9.1 Pressure-viscosity coefficient at local contact temperature, αθB,Y
9.2 Dynamic viscosity at local contact temperature, ηθB,Y
23 Section sec_9.2.2
Section sec_10
10 Definition of contact point Y on the path of contact
24 Figure fig_1
25 Section sec_11
11 Load sharing factor, XY
26 Section sec_11.1
Figure fig_2
Figure fig_3
11.1 Spur gears with unmodified profiles
27 Section sec_11.2
Figure fig_4
Figure fig_5
11.2 Spur gears with profile modification
28 Figure fig_6
Section sec_11.3
11.3 Buttressing factor, Xbut,Y
29 Figure fig_7
Section sec_11.4
11.4 Helical gears with εβ < 1 and unmodified profiles
30 Figure fig_8
Section sec_11.5
Figure fig_9
Figure fig_10
11.5 Helical gears with εβ < 1 and profile modification
31 Figure fig_11
Section sec_11.6
Figure fig_12
Section sec_11.7
11.6 Helical gears with εβ ≥ 1 and unmodified profiles
11.7 Helical gears with εβ ≥ 1 and profile modification
32 Figure fig_13
Figure fig_14
33 Figure fig_15
Section sec_12
12 Contact temperature, θB,Y
34 Section sec_13
Table tab_2
Section sec_14
13 Flash temperature, θfl,Y
14 Bulk temperature, θM
35 Section sec_14.1
14.1 Mean coefficient of friction, µm
36 Figure fig_16
Table tab_3
37 Section sec_14.2
Section sec_14.3
14.2 Load losses factor, Hv
14.3 Tip relief factor, XCa
38 Table tab_as
Figure fig_17
39 Table tab_ba
Figure fig_18
40 Section sec_14.4
14.4 Lubrication factor, XS
41 Annex sec_A
Table tab_bc
Figure fig_A.1
Annex A
(informative)

Calculation of the permissible specific lubricant film thickness λGFP for oils with a micropitting test result according to FVA-Information Sheet 54/7

42 Table tab_A.1
43 Reference ref_1
Reference ref_2
Reference ref_3
Reference ref_4
Reference ref_5
Reference ref_6
Reference ref_7
Reference ref_8
Reference ref_9
Reference ref_10
Reference ref_11
Reference ref_12
Reference ref_13
Reference ref_14
Reference ref_15
Reference ref_16
Bibliography
Bibliography

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BSI PD ISO/TR 15144-1:2014
$189.07