AS 12508 pdf download – Earth-moving machinery — Operator station and maintenance areas — Bluntness of edges (ISO 12508:1994, MOD)
This International Standard defines the permissible limits of the sharpness of edges and corners, toreduce the risk of injury to the operator or maintenance personnel while operating earth-movingmachinery and performing maintenance. It applies to operator and maintenance access/egress systemsas defined in ISO 2860 and ISo 2867, and the operator station on earth-moving machinery as describedin IS0 6165.
The following standards contain provisions which, through reference in this text, constitute provisionsof this International Standard.At the time of publication, the editions indicated were valid.All standardsare subject to revision, and parties to agreements based on this International Standard are encouragedto investigate the possibility of applying the most recent editions of the standards indicated below.Members of lEC and ISo maintain registers of currently valid International Standards.
ISO 2860:1992,Earth-moving machinery — Minimum access dimensions.
ISO 2867:1994, Earth-moving machinery — Access systems.
ISO 6165:1987,Earth-moving machinery — Basic types — Vocabulary.
Structural edges and corners (see figure 1) of metallic and non-metallic materials of sufficient hardnessto cause contusions or penetration of the human skin shall comply with the requirements in 3.1 to 3.3.
3.1 Edges of parts shall be rounded or chamfered to a minimum dimension of 0,3 mm as shownin figure 2, or fitted with a protective strip.For edge thicknesses of 1 mm or less, a protective stripshall be fitted.
3.2 External corners such as on cab or service doors and pointed objects shall have a minimumradius of 4 mm.