{"id":261092,"date":"2024-10-19T17:17:51","date_gmt":"2024-10-19T17:17:51","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-205742019\/"},"modified":"2024-10-25T13:02:01","modified_gmt":"2024-10-25T13:02:01","slug":"bs-iso-205742019","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-205742019\/","title":{"rendered":"BS ISO 20574:2019"},"content":{"rendered":"
This document defines requirements and recommendations for starter motor durability testing of 12 V start systems for internal combustion engines. This includes test methods, test procedures and capabilities of test benches.<\/p>\n
PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
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2<\/td>\n | National foreword <\/td>\n<\/tr>\n | ||||||
6<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | Introduction <\/td>\n<\/tr>\n | ||||||
9<\/td>\n | 1 Scope 2 Normative references 3 Terms, definitions, symbols and abbreviated terms <\/td>\n<\/tr>\n | ||||||
12<\/td>\n | 4 Planning of durability test 4.1 Determination of durability test types 4.2 Determination of durability test conditions <\/td>\n<\/tr>\n | ||||||
15<\/td>\n | 4.3 Definition of cranking time, overrunning time <\/td>\n<\/tr>\n | ||||||
17<\/td>\n | 5 Test bench equipment and information 5.1 Test bench structure 5.2 Minimum requirements of test bench <\/td>\n<\/tr>\n | ||||||
18<\/td>\n | 5.3 Test bench measuring capabilities and channel list 5.4 Test stop criteria <\/td>\n<\/tr>\n | ||||||
19<\/td>\n | 6 Detailed test procedures 6.1 Test procedure 6.1.1 General 6.1.2 Installation and setup stage for engine or engine simulator <\/td>\n<\/tr>\n | ||||||
20<\/td>\n | 6.1.3 Pre-check stage 6.1.4 Test execution stage <\/td>\n<\/tr>\n | ||||||
21<\/td>\n | 6.1.5 Post processing and reporting stage 7 Supplemental test methods 7.1 Brush temperature calibration <\/td>\n<\/tr>\n | ||||||
23<\/td>\n | 7.2 Starter motor input V-I curve and verification <\/td>\n<\/tr>\n | ||||||
24<\/td>\n | 7.3 Brush length measurement <\/td>\n<\/tr>\n | ||||||
25<\/td>\n | 7.4 Pinion to ring gear axial gap <\/td>\n<\/tr>\n | ||||||
26<\/td>\n | Annex A (normative) Test bench structure (Type 1) <\/td>\n<\/tr>\n | ||||||
27<\/td>\n | Annex B (normative) Test bench structure (Type 2) <\/td>\n<\/tr>\n | ||||||
28<\/td>\n | Annex C (normative) Test bench structure (Type 3 and 4) <\/td>\n<\/tr>\n | ||||||
29<\/td>\n | Annex D (informative) Summary of reporting items after the test <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Road vehicles. Durability test method for starter motor for stop and start system<\/b><\/p>\n |