Design & Fabrication of Staircase Climbing Wheelchair using …
6.10. Selection of bolt:- Bolt is to be fastened tightly also it will take load due to rotation. Stress for C-25 steel ft =420 kg/cm2. Std nominal diameter of bolt is 8mm. From table in design data book, diameter corresponding to M8 bolt is 8.160mm Let us check the strength :- Also initial tension in the bolt when belt is fully tightened.
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