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Bicycle Large Gear Crank Dynamic Fatigue Testing Machine

The bicycle large gear crank dynamic fatigue tester is suitable for dynamic fatigue performance testing of automatic crank assemblies. The equipment simulates the various dynamic loads that the crank assembly is subjected to during actual riding of the bicycle, evaluates its fatigue life and limit, and ensures its reliability and durability in long-term use.
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  • hongjin

Test principle:

This machine is specially used to test the life of the crank and gear of the bicycle. The object to be tested is fixed on the machine, the test standard load and test speed are set, and the force is applied repeatedly. After reaching the set number of times, the machine automatically stops and checks whether the object to be tested is damaged.


Capacity (kgf) 500kgf x 1 set
Test force accuracy ±5%
Maximum working amplitude ±100 (mm)
Displacement sensor LVDT accuracy ±0.01mm
Power source Pneumatic servo control system
Frequency range 1HZ-5HZ adjustable
Software interface Hongjin precision control system
Dimensions Host 800*600*1800 (cm) (W*D*H)
Weight 160KG (approx.)
Power supply AC220V, 15A
Air source requirements 7Kg/cm² dry air source is required


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