GB/T 10095.1-2008: Cylindrical gears -- System of accuracy -- Part 1: Definitions and allowable values of deviations relevant to corresponding flanks of gear teeth

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Scope

This Part establishes a system of accuracy relevant to corresponding flanks of
individual cylindrical involute gears.
It specifies appropriate definitions for gear tooth accuracy terms, the structure
of the gear accuracy system and the allowable values of pitch deviations, total
profile deviations and total helix deviations.
This Part applies only to each element of a toothed wheel taken individually; it
does not cover gear pairs as such.
It is strongly recommended that any user of this Part shall be very familiar with
the methods and procedures outlined in GB/Z 18620.1. Use of techniques other
than those of GB/Z 18620.1 combined with the limits described in this Part may
not be suitable.
Annex A (normative) gives formulae for tolerances for tangential composite
deviations which are also criterions of ISO quality, but are not mandatory
inspection items.
Annex B (informative) provides values on profile and helix form and slope
deviations which sometimes serve as useful information and evaluation values
but are not mandatory inspection items.

Basic Data

Standard ID	GB/T 10095.1-2008 (GB/T10095.1-2008)
Description (Translated English)	Cylindrical gears -- System of accuracy -- Part 1: Definitions and allowable values of deviations relevant to corresponding flanks of gear teeth
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J17
Classification of International Standard	21.200
Word Count Estimation	34,346
Date of Issue	2008-03-31
Date of Implementation	2008-09-01
Older Standard (superseded by this standard)	GB/T 10095.1-2001
Quoted Standard	GB/T 10095.2-2008; GB/Z 18620.1-2008
Adopted Standard	ISO 1328-1-1995, IDT
Regulation (derived from)	National Standard Approval Announcement 2008 No.5 (Total No.118)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the accuracy of a single system of involute cylindrical gear teeth on the same side of the tooth surface. This section provides the definition of the accuracy of the tooth terminology, structural precision -made gears and pitch deviation, tooth profile and helix total deviation total deviation allowable value. This section only applies to each element of a single gear, not including gear pair. Stressed that: each user in this section should be very familiar with the methods and procedures GB/Z 18620. 1 described. Within the limits of this section, the use of GB/Z 18620. 1 outside technology is not appropriate. Appendix A gives the tangential composite deviation tolerance formula, it is also the quality criteria in this section, but not emphatic test items. Appendix B gives a numerical shape tooth profile and helix deviation and tilt bias.