1 Scope
This standard specifies static load test, fatigue test methods and assessment criteria for cast steel truck bolster and side frame of railway freight car.
This standard is applicable to new cast steel bolster and side frame of two-axis truck of railway freight car.
2 Normative References
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments to (excluding corrections to), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest editions of the normative documents referred to apply.
GB/T 8170 "Rules for Rounding off of Numberical Values"
TB/T 3012-2006 "Specification of Cast Steel Bolster and Side Frame for Railway Freight Car"
3 Basic Requirements
3.1 No intense magnetic field, noise or vibration interfering the testing precision are nearby the test site.
3.2 Load precision error of test equipment shall not be greater than 1%.
1 Scope
2 Normative References
3 Basic Requirements
4 Static Load Test
4.1 Test Piece and its Installation
4.2 Test Content, Test Load and Permissible Deflection
4.3 Test Methods
5 Fatigue Test
5.1 Test Piece and its Installation
5.2 Test Methods
5.3 Evaluation of Test Results
