GB/T 3686-2014 Belt drives - V-belts and V-ribbed belts - Tensile strength and elongation test method
1 Scope
This standard specifies the test methods for tensile strength, elongation at the reference force and elongation at break of V-belts and V-ribbed belts.
It is applicable to the determination of tensile strength and elongation of various driving V-belts and V-ribbed belts under specified conditions.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2941 Rubber - General procedures for preparing and conditioning test pieces for physical test methods (GB/T 2941-2006; ISO 23529:2004, IDT)
GB/T 17200 Technical specification for tensile, compression and flexural testing machines for rubber and plastics (constant rate of traverse) (GB/T 17200-2008, ISO 5893:2002, IDT)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
tensile strength
force required to break the test piece when tensile test is carried out on a full section test piece
4 Apparatus
4.1 Tensile testing machine
The tensile testing machine shall meet the requirements of GB/T 17200, and shall also meet the following requirements:
a) minimum tensile force: 20kN;
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Apparatus
5 Test conditions
6 Test piece
7 Test procedure
8 Expression of test results
9 Test report
