1. The main purpose and scope of application of the railway fastener elastic strip fatigue testing machine

    TPJ-20 microcomputer controlled mechanical railway fastener spring strip fatigue testing machine is mainly composed of displacement loading system, fatigue loading system, data acquisition, processing, control, display system, etc. It is specially designed for the anti-fatigue characteristics of railway track crimping elastic components Testing (in accordance with the requirements of the People's Republic of China Railway Industry Standard TB/T 2392-2002 "Spring Bar Type I and Type II Fasteners Fatigue Test Method").

2. Main performance indexes of fatigue testing machine for railway fastener spring bars

1) Maximum test force: 20KN (total test force)

2) Amplitude: ±0.7mm (+0.5～-0.9mm refer to TB/T 2392-2002)

3) Spring station: 1

4) Counter capacity: 99999999 times

5) Set the number of shutdowns: set the number of tests to automatically shutdown

6) Set peak value shutdown: the peak value drops to the set value and shutdown

7) Test height: 380mm

8) Main motor power: 3kW

9) Lifting motor power: 1.5kw

10) Frequency converter: 3.7KW

11) Display: computer screen display

12) Software modification: The cycle curve fatigue life curve is displayed at the same time