Mini Cart

 

Head Tube Stiffness Test --- No Crack, Min Stiffness is 80N/MM

 

Two Stay Stiffness Test --- No Crack,Min Stiffness is 38N/MM

 

One Stay Stiffness Test --- No Crack,Min Stiffness is 18N/MM

 

Bottom Bracket Stiffness Test --- No Crack,Min Stiffness is 150N/MM

 

Frame Fatigue Test With Horizontal Forces --- Apply cycles of dynamic, horizontal forces of +600 N in a forward direction and -600 N for 100 000 cycles, with the
front fork constrained in vertical direction but free to move in a fore/aft direction under the applied forces.No Crack.

 

Frame Fatigue Test With Pedalling Forces --- Subject each adaptor component to a repeated downward force of 1800N ,the max frequency shall be 2HZ,Apply the test forces for 100000 test cycles.No Crack

 

Frame BB Fatigue Test --- Fix the frame on the hydraulic faigue testing machine,apply the force of 2300N for 10 000 cycles. No crack

 

Frame Vibration Fatigue Test --- Securely fix a mass of 40KG to the seat tube,20KG to head tube, 30KG to the BB; the revolution is 140/min, the cycles are 10 000. No crack.

 

Frame and front fork assembly – impact test (falling mass) --- Raise the striker of mass 22.5 kg to a height of 212 mm and release it to strike the steel bar. When the striker has come to rest on the solid bar measure the wheel-base again.No Crack.The permanent deformation shall not
exceed 10mm.

 

Frame and Front Fork Assembly-Impact Test(Falling Frame) --- Securely fix a mass of 30 kg to the seat-post,headtube 10Kg,BB 50Kg. Rotate the assembly about the center of seat tube perpendicular to the center of dropout, then allow the assembly to fall freely to impact on the anvil. Repeat the test and then measure the wheel-base again.There shall be no separation of any parts of any suspension system. The permanent deformation shall not exceed 15mm

 

Frame Head Tube Strength Test --- Fix the frame on the universal tester, press down at 25.4mm/min. The strength must exceed 300KGF!

 

Frame Seat Post Strength Test --- Fix the frame on the universal tester, insert the iron bar to 80mm,apply force at 180mm from seat tube center.The strength must exceed 350KGF.