This part specifies the definition, classification, labeling, requirements, test methods as well as marking, packaging, transport and storage of the normal rubber bearing.
This part is applicable to the plate rubber bearing (hereinafter referred to as "plate bearing") with design vertical bearing capacity less than 3MN and the pot rubber bearing with design bearing capacity less than 60MN.
Foreword I 1 Scope 2 Normative References 3 Terms and Definitions 4 Symbols 5 Plate Rubber Bearing 5.1 Product Classification and Labeling 5.2 Structure Design 5.3 Requirement 5.3.1 Mechanical Property of Finished Product 5.3.2 Material Property 5.3.3 Inherent Quality 5.3.4 Appearance Quality 5.3.5 Dimension Deviation 6 Pot Rubber Bearings 6.1 Product Classification and Labeling 6.2 Structure Design 6.3 Requirement 6.3.1 Properties of Pot Rubber Bearing 6.3.2 Material Property 6.3.3 Appearance Quality 6.3.4 Dimension Deviation 6.3.6 Assembly 7 Test Methods 7.1 Rubber Materials 7.2 PTFE Plate 7.3 Silicon Grease 7.4 Steel Castings 7.5 Dimension 7.6 Appearance Quality 7.7 Inherent Quality 7.8 Finished Product Properties 8 Inspection Rules 8.1 Inspection Classification 8.2 Inspection Items and Requirements 8.3 Judgment Rules 9 Marking, Packaging, Transport and Storage Appendix A (Normative) Method for Mechanical Test on Finished Products of Plate Rubber Bearing Appendix B (Normative) Method for Mechanical Test on Finished Products of Pot Rubber Bearings
This part specifies the definition, classification, labeling, requirements, test methods as well as marking, packaging, transport and storage of the normal rubber bearing.
This part is applicable to the plate rubber bearing (hereinafter referred to as "plate bearing") with design vertical bearing capacity less than 3MN and the pot rubber bearing with design bearing capacity less than 60MN.
Contents of GB 20688.4-2007
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Symbols
5 Plate Rubber Bearing
5.1 Product Classification and Labeling
5.2 Structure Design
5.3 Requirement
5.3.1 Mechanical Property of Finished Product
5.3.2 Material Property
5.3.3 Inherent Quality
5.3.4 Appearance Quality
5.3.5 Dimension Deviation
6 Pot Rubber Bearings
6.1 Product Classification and Labeling
6.2 Structure Design
6.3 Requirement
6.3.1 Properties of Pot Rubber Bearing
6.3.2 Material Property
6.3.3 Appearance Quality
6.3.4 Dimension Deviation
6.3.6 Assembly
7 Test Methods
7.1 Rubber Materials
7.2 PTFE Plate
7.3 Silicon Grease
7.4 Steel Castings
7.5 Dimension
7.6 Appearance Quality
7.7 Inherent Quality
7.8 Finished Product Properties
8 Inspection Rules
8.1 Inspection Classification
8.2 Inspection Items and Requirements
8.3 Judgment Rules
9 Marking, Packaging, Transport and Storage
Appendix A (Normative) Method for Mechanical Test on Finished Products of Plate Rubber Bearing
Appendix B (Normative) Method for Mechanical Test on Finished Products of Pot Rubber Bearings
