GB/T 12265-2021Safety of machinery - Minimum gaps to avoid crushing of parts of the human body (English PDF)

1 Scope

This document specifies minimum gaps relative to parts of the human body.

This document enables the user (e.g. standard makers, designers of machinery)

to avoid hazards from crushing zones. And adequate safety can be achieved.

This document is applicable to risks from crushing hazards only.

This document is not applicable to other possible hazards, e.g. impact, shearing, drawing-in.

Note: For impact, shearing, drawing-in hazards, additional or other measures are to be taken.

2 Normative references

The contents of the following documents, through normative references in this text, constitute indispensable provisions of this document. Among them, for dated references, only the edition corresponding to that date applies to this document. For undated references, the latest edition (including all amendments)

applies to this document.

ISO 12100:2010 Safety of machinery - General principles for design - Risk assessment and risk reduction

ISO 13857 Safety of machinery - Safety distances to prevent hazard zones being reached by upper and lower limbs

3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 12100,

ISO 13857 and the following apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

3.1 Crushing zone Zone in which the human body or parts of the human body are exposed to a crushing hazard.

Note: This hazard will be generated if - two movable parts are moving towards one another, or - one movable part is moving towards a fixed part.

See also Annex A.

4 Minimum gaps