Timing Belt Drive Anti-Trap Guide: Double-Tooth Wear Cause & Durable Design Plan
Local Abnormal Wear & Early Component Scrap
Repeated friction and impact occur at fixed meshing teeth, causing stress concentration in tiny areas. This leads to uneven tooth surface wear of timing belts, severe abrasion on partial teeth, hook-shaped wear on tooth sides and local deep grooves on pulley tooth grooves. In severe cases, belt teeth will be worn flat, fractured and detached.
Resonance Aggravation Damages Overall Equipment Structure
Double-tooth transmission generates periodic vibration excitation, which easily resonates with the natural frequency of equipment. It presents regular abnormal noise during operation; higher rotating speed brings louder noise and stronger vibration. This accelerates wear of bearings and motor bases, and even causes loose screws, transmission shaft fracture and equipment displacement.
Fatigue Fracture Leading to Unexpected Shutdown Accidents
Fixed meshing teeth continuously bear bending and tensile stress, gradually forming fatigue cracks inside the timing belt cords. The belt may break suddenly without obvious surface wear, mostly at the root of belt teeth, directly resulting in unplanned production line shutdown.
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