【Equipment introduction】
Fastening system fatigue test machine adopts the development concept of unitization, modularization, and standardization, and is designed by absorbing the international advanced electro-hydraulic servo dynamic testing machine technology and combining the actual use conditions of domestic users. The key components of fastening system fatigue test machine are well-known brands of similar products at home and abroad.
【Test items】
Fastening system fatigue test machine is used for tension-tension, tension-compression, compression-compression fatigue test of various materials; Fatigue test, dynamic stiffness, static stiffness, longitudinal resistance test, assembly buckle pressure test, etc. of high-speed railway fasteners, under-raid cushion and other parts in the laboratory; The replacement of accessories is also suitable for dynamic and static mechanical performance tests of various parts such as concrete structures, sleepers, steel strands, anchors, and various trusses.
【Applicable standards】
JB/T 9397 Specifications for tension-compression fatigue testing machines
JB/T 8286 Axial load fatigue testing machines dynamic force calibration
GB/T 2611-2007 General requirements for testing machines
TB/T 3396.1 Test methods for fastening systems of high-speed railway-Part 1: Determination of longitudinal rail restraint
TB/T 3396.2 Test methods for fastening systems of high-speed railway-Part 2: Determination for clamping force
TB/T 3396.3 Test methods for fastening systems of high-speed railway-Part 3: Determination of static stiffness for fastening assembly
TB/T 3396.4 Test methods for fastening systems of high-speed railway-Part 4: Test of fatigue performance of fastening assembly
TB/T 3396.7 Test methods for fastening systems of high-speed railway-Part 7: Vertical load test for cast-in fastening components
【Test methods】
The actuator is placed inside the main engine, the actuator piston drives the test fixture to apply an axial test load to the test piece, the test fixture is used to clamp the test piece, and the actuator applies a reciprocating load to the test piece , so as to complete the fatigue test in the axial direction. Fastening system fatigue test machine is mainly composed of main engine, a set of constant pressure servo pumping stations, fully digital single-channel servo controller, computer printer, related test software, and other necessary accessories.
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