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GB/T 94.3-2008: Specification for spring washers -- Curved and wave spring washers
Status: Valid GB/T 94.3: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 94.3-2008 | English | 149 |
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Specification for spring washers -- Curved and wave spring washers
| Valid |
GB/T 94.3-2008
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| GB/T 94.3-1987 | English | 199 |
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Specifications for spring washers--Curved and wave spring washers
| Obsolete |
GB/T 94.3-1987
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PDF similar to GB/T 94.3-2008
Basic data | Standard ID | GB/T 94.3-2008 (GB/T94.3-2008) | | Description (Translated English) | Specification for spring washers -- Curved and wave spring washers | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J13 | | Classification of International Standard | 21.060.30 | | Word Count Estimation | 5,573 | | Date of Issue | 2008-08-25 | | Date of Implementation | 2009-02-01 | | Older Standard (superseded by this standard) | GB/T 94.3-1987 | | Quoted Standard | GB/T 90.1; GB/T 90.2; GB/T 1222; GB/T 3114; GB/T 230.1; GB/T 4340.1; GB/T 5267.1; GB/T 5267.2 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.14 (Total No.127) | | 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 technical conditions of the saddle and wave spring washer. | GB/T 94.3-2008: Specification for spring washers -- Curved and wave spring washers---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Specification for spring washers.Curved and wave spring washers
ICS 21.060.30
J13
National Standards of People's Republic of China
Replacing GB/T 94.3-1987
Spring washers
Saddle and wave spring washers
Posted 2008-08-25
2009-02-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This section is one of the "spring washers" series of standards GB/T 94. The series includes.
--- GB/T 94.1-2008 spring washers spring washers;
--- GB/T 94.2-1987 toothed spring washers, serrated lock washer;
--- GB/T 94.3-2008 saddle-shaped spring washers, wave spring washers.
This section is GB/T Part 3 94.
This Part replaces GB/T 94.3-1987 "saddle-shaped spring washers, wave spring washers."
Section compared with the GB/T 94.3-1987 The main changes are as follows.
--- Modify reference standard (Chapter 2);
--- Increase spring steel washers Vickers hardness and the hardness of the copper alloy washers (see table 1);
--- Increasing spring steel washer "sheet non-electrolytic zinc coating" surface treatment (Table 1).
This part is proposed by China Machinery Industry Federation.
This part of the National Standardization Technical Committee fasteners (SAC/TC85) centralized.
This section is responsible for drafting unit. Productivity Promotion Center in the machine.
Participated in the drafting of this section. Shanghai Co., Ltd. Ball prescribed standards.
This part of the National Standardization Technical Committee Secretariat responsible for the interpretation of fasteners.
This part of the standard replaces the previous editions are.
--- GB 957-67, GB 957-76, GB/T 94.3-1987.
Spring washers
Saddle and wave spring washers
1 Scope
This section provides the saddle and wave spring washers technical conditions.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this part. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this section, however, encourage the parties to this part of the research agreement
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this section.
GB/T 90.1 fasteners acceptance inspection (GB/T 90.1-2002, ISO 3269.2000, IDT)
GB/T 90.2 Fasteners marking and packaging
GB/T 1222 spring steel
GB/T 3114 copper and copper alloy flat wire
GB/T 230.1 Metallic Rockwell hardness test - Part 1. Test methods
GB/T 4340.1 Vickers hardness test - Part 1. Test methods
GB/T 5267.1 fasteners plating layer (GB/T 5267.1-2002, ISO 4042.1999, IDT)
GB/T 5267.2 fasteners non-electrolytic zinc flake coating (GB/T 5267.2-2002, ISO 10683.2000, IDT)
3 Technical requirements
3.1 material, heat treatment and surface treatment
Gasket material, heat treatment and surface treatment specified in Table 1.
Table 1
material
Category Grade Standard Number
Heat treatment surface treatment
Spring steel 65Mn GB/T 1222
Quenching and tempering
40HRC ~ 50HRC or
392HV ~ 513HV
Oxidation;
Galvanized passivated Press
GB/T 5267.1;
Non-electrolytic zinc flake coating
According to GB/T 5267.2
Copper alloy QSn6.5-0.1 (hard) GB/T 3114 ≥85HRB or 164HV passivation
Note 1. The washer after plating must be driving hydrogen treatment immediately.
Note 2. The heat treatment process for the production of hardness reference.
3.2 Performance
3.2.1 Flexible
Size equal to or greater than 4mm washer should be 4.1 elasticity test. After the test gasket free height (H) shall be not less than the corresponding
Product standards for Hmin.
3.2.2 anti-hydrogen embrittlement
4.2 Electroplating shall washer anti hydrogen embrittlement test, the test can not be broken.
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