{"id":265723,"date":"2024-10-19T17:43:40","date_gmt":"2024-10-19T17:43:40","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-pd-iso-ts-6336-222018-tc\/"},"modified":"2024-10-25T13:41:49","modified_gmt":"2024-10-25T13:41:49","slug":"bsi-pd-iso-ts-6336-222018-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-pd-iso-ts-6336-222018-tc\/","title":{"rendered":"BSI PD ISO\/TS 6336-22:2018 – TC"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
3<\/td>\nNational foreword
Compliance with a British Standard cannot confer immunity from legal obligations.
Amendments\/corrigenda issued since publication <\/td>\n<\/tr>\n
4<\/td>\nCalculation of load capacity of spur and helical gears \u2014 <\/td>\n<\/tr>\n
5<\/td>\nCOPYRIGHT PROTECTED DOCUMENT <\/td>\n<\/tr>\n
8<\/td>\nForeword <\/td>\n<\/tr>\n
9<\/td>\nIntroduction <\/td>\n<\/tr>\n
10<\/td>\nTable 1 \u2014 Overview of ISO 6336 <\/td>\n<\/tr>\n
11<\/td>\nCalculation of micropitting load capacity of cylindrical spur and helical gears \u2014
1 Scope
2 Normative references
3 Terms, definitions, symbols and units
3.1 Terms and definitions <\/td>\n<\/tr>\n
12<\/td>\n3.2 Symbols and units
Table 12 \u2014 Symbols and units <\/td>\n<\/tr>\n
15<\/td>\n4 Definition of micropitting
4 Micropitting
5 Basic formulae
5.1 General <\/td>\n<\/tr>\n
16<\/td>\n5.2 Safety factor against micropitting, S\u03bb
5.3 Local specific lubricant film thickness, \u03bbGF,Y <\/td>\n<\/tr>\n
17<\/td>\na) Method A
b) Method B
5.4 Permissible specific lubricant film thickness, \u03bbGFP
a) Method A <\/td>\n<\/tr>\n
18<\/td>\nb) Method B
5.5 Recommendation for the minimum safety factor against micropitting, S\u03bb,min <\/td>\n<\/tr>\n
20<\/td>\n6 Material parameter, GM
6.1 General
6.16.2 Reduced modulus of elasticity, Er
6.26.3 Pressure viscocity coefficient at bulk temperature, \u03b1\u03b8M <\/td>\n<\/tr>\n
21<\/td>\n7 VelocityLocal velocity parameter, UY
7.1 General
7.17.2 Sum of tangential velocities, v\u03a3,Y <\/td>\n<\/tr>\n
22<\/td>\n7.27.3 Dynamic viscosity at bulk temperature, \u03b7\u03b8M
7.3.1 General
7.2.17.3.2 Kinematic viscosity at bulk temperature, \u03bd\u03b8M <\/td>\n<\/tr>\n
23<\/td>\n7.2.27.3.3 Density of the lubricant at bulk temperature, \u03c1\u03b8M
8 LoadLocal load parameter, WY
8.1 General
8.18.2 Local Hertzian contact stress, pdyn,Y,A, according to Method A <\/td>\n<\/tr>\n
24<\/td>\n8.28.3 Local Hertzian contact stress, pdyn,Y,B, according to Method B
8.3.1 General
8.2.18.3.2 Nominal Local nominal Hertzian contact stress, pH,Y,B <\/td>\n<\/tr>\n
25<\/td>\n9 Sliding parameter, SGF,Y
9 Local sliding parameter, SGF,Y
9.1 General
The sliding parameter, SGF,Y
9.19.2 Pressure viscosity coefficient at local contact temperature, \u03b1\u03b8B,Y
9.29.3 Dynamic viscosity at local contact temperature, \u03b7\u03b8B,Y
9.3.1 General <\/td>\n<\/tr>\n
26<\/td>\n9.2.19.3.2 Kinematic viscosity at local contact temperature, \u03bd\u03b8B,Y
9.2.29.3.3 Density of the lubricant at local contact temperature, \u03c1\u03b8B,Y <\/td>\n<\/tr>\n
27<\/td>\n10 Definition of contact point Y on the path of contact
Y = <\/td>\n<\/tr>\n
28<\/td>\nFigure 1 \u2014 Definition of contact point Y on the line of action <\/td>\n<\/tr>\n
30<\/td>\n11 Load sharing factor, XY
11.1 General
11.111.2 Spur gears with unmodified profiles
Figure 2 \u2014 Load sharing factor for cylindrical spur gears with unmodified profiles and quality grade \u2264 7 <\/td>\n<\/tr>\n
32<\/td>\n11.211.3 Spur gears with profile modification
Figure 4 \u2014 Load sharing factor for cylindrical spur gears with adequate profile modification <\/td>\n<\/tr>\n
33<\/td>\nFigure 5 \u2014 Load sharing factor for cylindrical spur gears with adequate profile modification on the addendum of the driven gearwheel and\/or the dedendum of the driving gearpinion <\/td>\n<\/tr>\n
34<\/td>\nFigure 6 \u2014 Load sharing factor for cylindrical spur gears with adequate profile modification on the addendum of the driving gearpinion and\/or the dedendum of the driven gearwheel <\/td>\n<\/tr>\n
35<\/td>\n11.4 Local buttressing factor, Xbut,Y
Figure 7 \u2014 Buttressing Local buttressing factor, Xbut,Y <\/td>\n<\/tr>\n
36<\/td>\n11.411.5 Helical gears with \u03b5\u03b2 1\u2264 0,8 and unmodified profiles <\/td>\n<\/tr>\n
37<\/td>\nFigure 8 \u2014 Load sharing factor forof cylindrical helical gears with \u03b5\u03b2 1\u2264 0,8 and unmodified profiles, including the buttressing effect
11.511.6 Helical gears with \u03b5\u03b2 1\u2264 0,8 and profile modification
Figure 9 \u2014 Load sharing factor for cylindrical helical gears with \u03b5\u03b2 1\u2264 0,8 and adequate profile modification <\/td>\n<\/tr>\n
38<\/td>\n11.611.7 Helical gears with \u03b5\u03b2 \u2265 1,2 and unmodified profiles
Figure 12 \u2014 Load sharing factor for cylindrical helical gears with \u03b5\u03b2 \u2265 1,2 and unmodified profiles
11.711.8 Helical gears with \u03b5\u03b2 \u2265 1,2 and profile modification <\/td>\n<\/tr>\n
39<\/td>\nFigure 13 \u2014 Load sharing factor for cylindrical helical gears with \u03b5\u03b2 \u2265 1,2 and adequate profile modification
Figure 14 \u2014 Load sharing factor for cylindrical helical gears with \u03b5\u03b2 \u2265 1,2 and adequate profile modification on the addendum of the driven gearwheel and\/or the dedendum of the driving gearpinion <\/td>\n<\/tr>\n
40<\/td>\nFigure 14 15 \u2014 Load sharing factor for cylindrical helical gears with \u03b5\u03b2 \u2265 1,2 and adequate profile modification on the addendum of the driven gearpinion and\/or the dedendum of the driving gearwheel <\/td>\n<\/tr>\n
41<\/td>\n11.9 Helical gears with 0,8 < \u03b5\u03b2 < 1,2
12 ContactLocal contact temperature, \u03b8B,Y
13 FlashLocal flash temperature, \u03b8fl,Y <\/td>\n<\/tr>\n
42<\/td>\nTable 23 \u2014 Material properties of steel
14 Bulk temperature, \u03b8M
14.1 General <\/td>\n<\/tr>\n
44<\/td>\n14.114.2 Mean coefficient of friction, \u00b5m <\/td>\n<\/tr>\n
46<\/td>\nFigure 16 \u2014 Helical load factor, KB\u03b3
Table 34 \u2014 Lubricant factor, XL <\/td>\n<\/tr>\n
47<\/td>\n14.214.3 Load losses factor, Hv
14.314.4 Tip relief factor, XCa <\/td>\n<\/tr>\n
48<\/td>\nFigure 17 \u2014 Tip relief factor, XCa, according to method A <\/td>\n<\/tr>\n
50<\/td>\nFigure 18 \u2014 Tip relief factor, XCa, according to Methodmethod B <\/td>\n<\/tr>\n
51<\/td>\n14.4 Lubrication factor, XS
14.5 Lubricant factor, XS <\/td>\n<\/tr>\n
52<\/td>\n(informative)
Figure A.1 \u2014 Minimum permissible specific lubricant film thickness for mineral oils as function of nominal lubricant viscosity and failure load stage SKS of the FVA-FZG micropitting test <\/td>\n<\/tr>\n
53<\/td>\nTable A.1 \u2014 Material factor, WW
Table A.1 \u2014 Material factor, WW <\/td>\n<\/tr>\n
55<\/td>\nFigure B.1 \u2014 Minimum permissible specific lubricant film thickness for mineral oils as function of nominal lubricant viscosity and lubricant micro-pitting performance (quality) at oil temperature \u03b8oil = 60 C
Figure B.2 \u2014 Minimum permissible specific lubricant film thickness for mineral oils as function of nominal lubricant viscosity and lubricant micro-pitting performance (quality) at oil temperature \u03b8oil = 90 C <\/td>\n<\/tr>\n
56<\/td>\nFigure B.3 \u2014 Minimum permissible specific lubricant film thickness for mineral oils as function of nominal lubricant viscosity and lubricant micro-pitting performance (quality) at oil temperature \u03b8oil = 120 C <\/td>\n<\/tr>\n
57<\/td>\nBibliography <\/td>\n<\/tr>\n
60<\/td>\nNational foreword <\/td>\n<\/tr>\n
65<\/td>\nForeword <\/td>\n<\/tr>\n
66<\/td>\nIntroduction <\/td>\n<\/tr>\n
69<\/td>\n1 Scope
2 Normative references
3 Terms, definitions, symbols and units
3.1 Terms and definitions <\/td>\n<\/tr>\n
70<\/td>\n3.2 Symbols and units <\/td>\n<\/tr>\n
72<\/td>\n4 Micropitting <\/td>\n<\/tr>\n
73<\/td>\n5 Basic formulae
5.1 General
5.2 Safety factor against micropitting, S\u03bb <\/td>\n<\/tr>\n
74<\/td>\n5.3 Local specific lubricant film thickness, \u03bbGF,Y <\/td>\n<\/tr>\n
75<\/td>\n5.4 Permissible specific lubricant film thickness, \u03bbGFP <\/td>\n<\/tr>\n
76<\/td>\n5.5 Recommendation for the minimum safety factor against micropitting, S\u03bb,min <\/td>\n<\/tr>\n
77<\/td>\n6 Material parameter, GM
6.1 General <\/td>\n<\/tr>\n
78<\/td>\n6.2 Reduced modulus of elasticity, Er
6.3 Pressure viscocity coefficient at bulk temperature, \u03b1\u03b8M <\/td>\n<\/tr>\n
79<\/td>\n7 Local velocity parameter, UY
7.1 General
7.2 Sum of tangential velocities, v\u03a3,Y <\/td>\n<\/tr>\n
80<\/td>\n7.3 Dynamic viscosity at bulk temperature, \u03b7\u03b8M
7.3.1 General
7.3.2 Kinematic viscosity at bulk temperature, \u03bd\u03b8M
7.3.3 Density of the lubricant at bulk temperature, \u03c1\u03b8M <\/td>\n<\/tr>\n
81<\/td>\n8 Local load parameter, WY
8.1 General
8.2 Local Hertzian contact stress, pdyn,Y,A, according to Method A <\/td>\n<\/tr>\n
82<\/td>\n8.3 Local Hertzian contact stress, pdyn,Y,B, according to Method B
8.3.1 General
8.3.2 Local nominal Hertzian contact stress, pH,Y,B <\/td>\n<\/tr>\n
83<\/td>\n9 Local sliding parameter, SGF,Y
9.1 General
9.2 Pressure viscosity coefficient at local contact temperature, \u03b1\u03b8B,Y
9.3 Dynamic viscosity at local contact temperature, \u03b7\u03b8B,Y
9.3.1 General
9.3.2 Kinematic viscosity at local contact temperature, \u03bd\u03b8B,Y <\/td>\n<\/tr>\n
84<\/td>\n9.3.3 Density of the lubricant at local contact temperature, \u03c1\u03b8B,Y
10 Definition of contact point Y on the path of contact <\/td>\n<\/tr>\n
86<\/td>\n11 Load sharing factor, XY
11.1 General <\/td>\n<\/tr>\n
87<\/td>\n11.2 Spur gears with unmodified profiles
11.3 Spur gears with profile modification <\/td>\n<\/tr>\n
89<\/td>\n11.4 Local buttressing factor, Xbut,Y <\/td>\n<\/tr>\n
90<\/td>\n11.5 Helical gears with \u03b5\u03b2 \u2264 0,8 and unmodified profiles <\/td>\n<\/tr>\n
91<\/td>\n11.6 Helical gears with \u03b5\u03b2 \u2264 0,8 and profile modification
11.7 Helical gears with \u03b5\u03b2 \u2265 1,2 and unmodified profiles <\/td>\n<\/tr>\n
92<\/td>\n11.8 Helical gears with \u03b5\u03b2 \u2265 1,2 and profile modification <\/td>\n<\/tr>\n
93<\/td>\n11.9 Helical gears with 0,8 < \u03b5\u03b2 < 1,2 <\/td>\n<\/tr>\n
94<\/td>\n12 Local contact temperature, \u03b8B,Y
13 Local flash temperature, \u03b8fl,Y <\/td>\n<\/tr>\n
95<\/td>\n14 Bulk temperature, \u03b8M
14.1 General <\/td>\n<\/tr>\n
96<\/td>\n14.2 Mean coefficient of friction, \u00b5m <\/td>\n<\/tr>\n
97<\/td>\n14.3 Load losses factor, Hv <\/td>\n<\/tr>\n
98<\/td>\n14.4 Tip relief factor, XCa <\/td>\n<\/tr>\n
100<\/td>\n14.5 Lubricant factor, XS <\/td>\n<\/tr>\n
101<\/td>\nAnnex A (informative) Calculation of the permissible specific lubricant film thickness for oils with a micropitting test result according to FVA-Information Sheet 54\/7 <\/td>\n<\/tr>\n
103<\/td>\nAnnex B (informative) Guideline for reference values of \u03bbGFP <\/td>\n<\/tr>\n
106<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Tracked Changes. Calculation of load capacity of spur and helical gears – Calculation of micropitting load capacity<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2020<\/td>\n108<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":265729,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-265723","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/265723","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/265729"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=265723"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=265723"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=265723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}