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The Assembly Specific Force Atlas

Schaub, Karlheinz and Wakula, Jurij and Berg, Knut and Kaiser, Bastian and Bruder, Ralph and Glitsch, Ullrich and Ellegast, Rolf (2014):
The Assembly Specific Force Atlas.
[Report]

Abstract

Even in hi-tech industries, physical workload is partly considerable and cannot be avoided due to product and process requirements. Especially in automotive, aviation and marine industries, the assembly of the product geometry requires force exertions in ergonomically unfavorable conditions. Unfortunately internationally accepted methods for the evaluation of those types of force exertions are rare. Besides some traditional German methods and EN 1005-3 hardly any evaluation methods exist. And even those methods refer to force exertions in primarily upright symmetric working postures. In order to overcome these problems the “Assembly Specific Fore Atlas” was created during the recent years. From a sample of automotive workers (n=273) a set of 54 whole body forces (6 main force directions while standing, sitting, kneeling; in an upward, bent and overhead posture) and a set of 38 types of finger-hand forces (all at MVC level) were measured in the field. The inputs for the types of force exertions required in practice were sampled from a consortium of major European car and truck companies. In addition, evaluation methods were developed that allow “calculating” maximum recommended force limits from the measured maximum static forces (i.e. Maximum Voluntary Contractions (MVC)) and task and user group relevant parameters. This contribution gives a short overview on the data collected and focuses on the evaluation methods that had been realized. First qualitative results are presented from the first field tests.

Item Type: Report
Erschienen: 2014
Creators: Schaub, Karlheinz and Wakula, Jurij and Berg, Knut and Kaiser, Bastian and Bruder, Ralph and Glitsch, Ullrich and Ellegast, Rolf
Title: The Assembly Specific Force Atlas
Language: English
Abstract:

Even in hi-tech industries, physical workload is partly considerable and cannot be avoided due to product and process requirements. Especially in automotive, aviation and marine industries, the assembly of the product geometry requires force exertions in ergonomically unfavorable conditions. Unfortunately internationally accepted methods for the evaluation of those types of force exertions are rare. Besides some traditional German methods and EN 1005-3 hardly any evaluation methods exist. And even those methods refer to force exertions in primarily upright symmetric working postures. In order to overcome these problems the “Assembly Specific Fore Atlas” was created during the recent years. From a sample of automotive workers (n=273) a set of 54 whole body forces (6 main force directions while standing, sitting, kneeling; in an upward, bent and overhead posture) and a set of 38 types of finger-hand forces (all at MVC level) were measured in the field. The inputs for the types of force exertions required in practice were sampled from a consortium of major European car and truck companies. In addition, evaluation methods were developed that allow “calculating” maximum recommended force limits from the measured maximum static forces (i.e. Maximum Voluntary Contractions (MVC)) and task and user group relevant parameters. This contribution gives a short overview on the data collected and focuses on the evaluation methods that had been realized. First qualitative results are presented from the first field tests.

Uncontrolled Keywords: Force exertions, EU Directives, automotive industries, Maximum Voluntary contraction (MVC), Muscular-skeletal disorders (MSD)
Divisions: 16 Department of Mechanical Engineering
16 Department of Mechanical Engineering > Ergonomics (IAD)
Date Deposited: 25 Nov 2014 09:35
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