Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard replaces HB 5936-1986 Marking of parts and assemblies.
The following main changes have been made with respect to HB 5936-1986:
a) The structure of contents is modified and contents of each clause are changed greatly with respect to HB 5936-1986, making the structure of this standard more scientific;
b) “Scope”, “terms and definitions” and “normative references” are added, and methods and definitions of laser lattice marking and laser scratching marking are added;
c) Legal unit of measurement is adopted;
d) The form of marking change is added, making marking change flexible and have good operability;
e) Provisions on the life codes of parts and assemblies specified in Annex A of HB 5936-1986 and the fonts of numbers and letters specified in Annex B are deleted;
f) The original Clauses 1, 3, 4 and 9 of HB 5936-1986 are merged into the selection principle and requirements for marking method and position, forming Clause 6;
g) Marking examples are added on the basis of Clause 2 of HB 5936-1986, constituting Clause 4 of this standard;
h) Clauses 6, 7 and 8 of HB 5936-1986 are merged into marking methods and requirements and expressed in the form of tables, forming Clause 5 of this standard;
i) The contents of Clause 5 of HB 5936-1986 are decomposed, some are placed in Clause 6 of this standard, and some are independent as Annex E;
j) Clause 10 of HB 5936-1986 is adjusted to Clause 7 of this standard, and the name is changed to "Indication of marking method on drawings”;
k) Marking change specified in Clause 11 of HB 5936-1986 is adjusted to Clause 8 of this standard;
l) Informative Annex E is added;
m) The contents of permanent and semi permanent marking made by electrolytic method in Clause 6 of HB 5936-1986 are incorporated into Clause 5 of this standard;
n) Expressions of terms and definitions are standardized and refined;
o) The sentences and words in the standard are standardized to make them more concise, coordinated and easy to understand.
Annex A of this standard is normative, and Annexes B, C, D and E are informative.
This standard was proposed by the Aviation Industry Corporation of China, Ltd.
This standard is under the jurisdiction of China Aero-Polytechnology Establishment.
This standard was issued in October 1986 for the first time.
Marking of parts and assemblies
1 Scope
This standard specifies requirements for the content, method and position of marking of parts and assemblies.
This standard is applicable to the marking of parts and assemblies of aviation products.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding corrections), or revisions, of any of these publications do not apply to this standard. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies.
GB/T 14691 Technical drawings - Lettering
3 Terms and definitions
For the purposes of this standard, the following terms and definitions apply.
3.1
permanent marking
marking capable of accurate identification throughout the full life cycle of parts and assemblies
3.2
integral method
method of making marking of parts in the forming process, including casting, forging, molding, heading, and stamping
3.3
press marking method
method of applying a certain pressure through type matrix, mold or roller, etc. to plastically deform the local materials of parts and assemblies to obtain the marking
3.4
carve method
method of engraving marking by hand or machine
3.5
vibro peen method
method of making marking on the marking position of parts and assemblies by vibration
3.6
controlled dot peen method
method of making marking with leakage type matrix by spraying abrasive through special equipment
3.7
electrolytic method
method of making marking via electrolytic corrosion of the marking part by making the parts and assemblies contact with the electrolyte soaked medium
3.8
hot press embossing method
method of making marking by printing colored characters on the parts and assemblies through a special metal foil with the help of a mold and an embossing machine
3.9
silk net method
method of making marking by printing on the parts and assemblies through silk net
3.10
paints method
method of making marking by painting on the surface of parts and assemblies
3.11
inks method
method of making marking on the parts and assemblies with inks
3.12
cauterization method
marking method of printing characters on the parts and assemblies by photoengraving, and then electroplating or painting after corrosion
3.13
printing method
marking method in which the marking characters are made into a template and the characters are printed on the parts and assemblies using this template
3.14
enameling method
method of sticking or printing marking characters on porcelain parts and assemblies to be glazed and sintered at a high temperature to obtain marking
3.15
laser marking method
method of using a pulsed laser beam to force the material to move to obtain marking. It is divided into laser lattice method and laser scratching method
Laser lattice method: marking method of forming characters by ablating the surface of the processed part in dots following the trace of the character by a laser beam
Laser scratching method: marking method of forming characters by continuously ablating the surface of the processed part following the trace of the character by a laser beam
3.16
semi permanent marking
marking capable of accurate identification during the manufacturing and before delivery of parts and assemblies
3.17
roll method
method of making marking by covering the roll material engraved with the required marking characters on the surface to be marked
3.18
rubber marking method
method of making marking by using a rubber stamp engraved with the required marking characters, dipped in a special marking ink, to print at the designated position of parts and assemblies
3.19
temporary marking
marking capable of accurate identification during the manufacturing of parts and assemblies
4 Classification and contents of marking
4.1 Classification of marking
4.1.1 Marking category
Marking is classified into:
a) permanent marking (including stressed permanent marking and stress-free permanent marking);
b) semi permanent marking;
c) temporary marking.
4.1.2 Marking type
The marking type is composed of several marking items, with examples and contents as follows:
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and contents of marking
5 Marking requirements and methods
6 Selection principle for marking method and position
7 Indication of marking method on drawings
8 Marking change
Annex A (Normative) Fonts applied for numbers and letters
Annex B (Informative) Small stress character type
Annex C (Informative) Selection of marking methods for parts and assemblies
Annex D (Informative) Drawing indication mode
Annex E (Informative) Marking interval size
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This standard replaces HB 5936-1986 Marking of parts and assemblies.
The following main changes have been made with respect to HB 5936-1986:
a) The structure of contents is modified and contents of each clause are changed greatly with respect to HB 5936-1986, making the structure of this standard more scientific;
b) “Scope”, “terms and definitions” and “normative references” are added, and methods and definitions of laser lattice marking and laser scratching marking are added;
c) Legal unit of measurement is adopted;
d) The form of marking change is added, making marking change flexible and have good operability;
e) Provisions on the life codes of parts and assemblies specified in Annex A of HB 5936-1986 and the fonts of numbers and letters specified in Annex B are deleted;
f) The original Clauses 1, 3, 4 and 9 of HB 5936-1986 are merged into the selection principle and requirements for marking method and position, forming Clause 6;
g) Marking examples are added on the basis of Clause 2 of HB 5936-1986, constituting Clause 4 of this standard;
h) Clauses 6, 7 and 8 of HB 5936-1986 are merged into marking methods and requirements and expressed in the form of tables, forming Clause 5 of this standard;
i) The contents of Clause 5 of HB 5936-1986 are decomposed, some are placed in Clause 6 of this standard, and some are independent as Annex E;
j) Clause 10 of HB 5936-1986 is adjusted to Clause 7 of this standard, and the name is changed to "Indication of marking method on drawings”;
k) Marking change specified in Clause 11 of HB 5936-1986 is adjusted to Clause 8 of this standard;
l) Informative Annex E is added;
m) The contents of permanent and semi permanent marking made by electrolytic method in Clause 6 of HB 5936-1986 are incorporated into Clause 5 of this standard;
n) Expressions of terms and definitions are standardized and refined;
o) The sentences and words in the standard are standardized to make them more concise, coordinated and easy to understand.
Annex A of this standard is normative, and Annexes B, C, D and E are informative.
This standard was proposed by the Aviation Industry Corporation of China, Ltd.
This standard is under the jurisdiction of China Aero-Polytechnology Establishment.
This standard was issued in October 1986 for the first time.
Marking of parts and assemblies
1 Scope
This standard specifies requirements for the content, method and position of marking of parts and assemblies.
This standard is applicable to the marking of parts and assemblies of aviation products.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding corrections), or revisions, of any of these publications do not apply to this standard. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies.
GB/T 14691 Technical drawings - Lettering
3 Terms and definitions
For the purposes of this standard, the following terms and definitions apply.
3.1
permanent marking
marking capable of accurate identification throughout the full life cycle of parts and assemblies
3.2
integral method
method of making marking of parts in the forming process, including casting, forging, molding, heading, and stamping
3.3
press marking method
method of applying a certain pressure through type matrix, mold or roller, etc. to plastically deform the local materials of parts and assemblies to obtain the marking
3.4
carve method
method of engraving marking by hand or machine
3.5
vibro peen method
method of making marking on the marking position of parts and assemblies by vibration
3.6
controlled dot peen method
method of making marking with leakage type matrix by spraying abrasive through special equipment
3.7
electrolytic method
method of making marking via electrolytic corrosion of the marking part by making the parts and assemblies contact with the electrolyte soaked medium
3.8
hot press embossing method
method of making marking by printing colored characters on the parts and assemblies through a special metal foil with the help of a mold and an embossing machine
3.9
silk net method
method of making marking by printing on the parts and assemblies through silk net
3.10
paints method
method of making marking by painting on the surface of parts and assemblies
3.11
inks method
method of making marking on the parts and assemblies with inks
3.12
cauterization method
marking method of printing characters on the parts and assemblies by photoengraving, and then electroplating or painting after corrosion
3.13
printing method
marking method in which the marking characters are made into a template and the characters are printed on the parts and assemblies using this template
3.14
enameling method
method of sticking or printing marking characters on porcelain parts and assemblies to be glazed and sintered at a high temperature to obtain marking
3.15
laser marking method
method of using a pulsed laser beam to force the material to move to obtain marking. It is divided into laser lattice method and laser scratching method
Laser lattice method: marking method of forming characters by ablating the surface of the processed part in dots following the trace of the character by a laser beam
Laser scratching method: marking method of forming characters by continuously ablating the surface of the processed part following the trace of the character by a laser beam
3.16
semi permanent marking
marking capable of accurate identification during the manufacturing and before delivery of parts and assemblies
3.17
roll method
method of making marking by covering the roll material engraved with the required marking characters on the surface to be marked
3.18
rubber marking method
method of making marking by using a rubber stamp engraved with the required marking characters, dipped in a special marking ink, to print at the designated position of parts and assemblies
3.19
temporary marking
marking capable of accurate identification during the manufacturing of parts and assemblies
4 Classification and contents of marking
4.1 Classification of marking
4.1.1 Marking category
Marking is classified into:
a) permanent marking (including stressed permanent marking and stress-free permanent marking);
b) semi permanent marking;
c) temporary marking.
4.1.2 Marking type
The marking type is composed of several marking items, with examples and contents as follows:
Contents of HB 5936-2011
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and contents of marking
5 Marking requirements and methods
6 Selection principle for marking method and position
7 Indication of marking method on drawings
8 Marking change
Annex A (Normative) Fonts applied for numbers and letters
Annex B (Informative) Small stress character type
Annex C (Informative) Selection of marking methods for parts and assemblies
Annex D (Informative) Drawing indication mode
Annex E (Informative) Marking interval size
