wear understanding

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technical powerpoint

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Presentation Transcript

Slide 1: 

Tyre wear - an initiation

Slide 2: 

Tyre engineering a part of vehicle engineering, and therefore will always submit to mechanical engineering.

Slide 3: 

Mechanical engineering is basically the study of forces and their reaction

Slide 4: 

As rubber is interposed between steel and road, it suffers mechanical forces and reactions generated by them

Slide 5: 

Wear Accelerated Non-uniform Wavy Feather Patchy Inside edge Centre Shoulder Abnormal Load Road speed Veh Alteration Tyre Quality

Slide 6: 

Wear Accelerated Non-uniform Wavy Feather Patchy Inside edge Centre Shoulder Abnormal Early destructive wear

Slide 7: 

Accelerated wear Load Road speed Alteration Tyre Quality

Slide 8: 

Wear U Asphalt Concrete Gravel Sandy Cobbles Rocky Force Scuffing Scrubbing Sliding Traction Suspension Resilience Friction

Slide 9: 

Force Scuffing--------------- Inside edged / Shoulder/ Spotty Scrubbing --------------------- Feather edged / Wavy Sliding --------------------------------------------- Patchy Traction ------------------------------------- Heel and toe Suspension Resilience- -------------------Rib punched / Scalloped Consequent wear pattern

Slide 10: 

Thus Non uniform wear is the result of impure rolling of the tyre

Slide 11: 

Therefore a service engineer on observing a pattern of wear should envisage the tyre in motion. He then attributes that motion to an operational or mechanical cause

Slide 12: 

Remember : Wear is the result of forces. Non uniform wear is due to undesirable forces - their magnitude and direction. . These should identified and addressed

Slide 13: 

Thank You

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