GB/T 18717.2-2002: Ergonomic design for the safety of machinery -- Part 2: Principles for determining the dimensions required for openings for access of parts of the body into machinery

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Scope

This Part specifies the minimum functional dimensions (opening dimensions, please
refer to Bibliography [2]) for 12 types of opening for access of parts of the body into
machinery (please refer to 3.1 in GB/T 15706.1-1995) and the configuration
requirements for 22 types of opening, as well as 26 formulas for the calculation of
opening dimensions, which combine anthropometric data (anthropometric
measurements) and additional space (allowances).
Please refer to Table 1 in GB/T 18717.3-2002 for anthropometric data. Please refer to
the stipulation in Appendix A for the numerical value of additional space.
Opening dimensions are based on the numerical value of the 95th percentile (please
refer to Bibliography [2]) of the expected user population, whereas reach distances are
based on the numerical value of the 5th percentile. Under each circumstance, the least
favorable body dimension of the expected user population shall be considered as the
basis. The same consideration also applies to the configuration of openings. Please
refer to Appendix B.
This Part is applicable to non-mobile machinery. In terms of mobile machinery, there
may be additional specific requirements.
Situations where people are to be prevented from reaching a hazard are elaborated in
GB 12265.1.

Basic Data

Standard ID	GB/T 18717.2-2002 (GB/T18717.2-2002)
Description (Translated English)	Ergonomic design for the safety of machinery. Part 2: Principles for determining the dimensions required for openings for access of parts of the body into machinery
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J09
Classification of International Standard	13.11
Word Count Estimation	19,193
Date of Issue	5/17/2002
Date of Implementation	12/1/2002
Quoted Standard	GB 12265.1; GB/T 15706.1-1995; GB/T 18717.3-2002
Adopted Standard	ISO 15534-2-2000, NEQ
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China
Summary	This Standard specifies the mechanical parts of the body into (see GB/T 15706. 1-1995 3. 1) of two kinds of openings smallest functional size (opening size, see Ref. [2]), and 22 kinds of openings configuration requirements, and the anthropometric data 26 calculation (body size) and additional space (margin) a combination of opening size formula.