1 - AS 60068.2.29-2003 ENVIRONMENTAL TESTING - TESTS-TEST Eb AND GUIDANCE: BUMP
4 - PREFACE
5 - CONTENTS
6 - INTRODUCTlON
7 - 1 Scope
7 - 2 General description
7 - 3 Definitions
7 - 3.1 Fixing point
8 - 3.2 Checkpoint
8 - 3.3 Bump severity
8 - 3.4 Velocity change
8 - 3.5 gn
8 - 4 Description of test apparatus
8 - 4.1 Required characteristics
8 - 4.1.1 Basic pulse shape
8 - 4.1.2 Repetition rate
8 - 4.1.3 Velocity change tolerance
9 - 4.1.4 Transverse motion
9 - 4.2 Measuring system
9 - 4.3 Mounting
9 - 5 Severities
9 - 5.1 Acceleration and duration of the pulse
9 - 5.2 Number of bumps in each direction
9 - 6 Preconditioning
10 - 7 Initial measurements
10 - 8 Conditioning
10 - 8.1 Application of bumps
10 - 8.1.1 Component type specimens
10 - 8.1.2 Equipment type specimens
10 - 8.2 Operating mode and functional monitoring
10 - 9 Recovery
10 - 10 Final measurements
11 - 11 Information to be given in the relevant specification
12 - Annex A - Guidance
12 - A.1 Introduction
12 - A.2 Applicability of test
12 - A.3 Test severity
13 - A.4 Tolerances
14 - A.5 Velocity change
14 - A.6 Conditioning
16 - Annex B - Comparisons between impact tests