Excavator Teeth Near Me PC100LR Construction Machinery Parts Applicable To YUCHAI

How Cutting Edges Assist in Material Excavation

The following analysis details the mechanism and key functions of cutting edges in material excavation, compiled from engineering practice data:

I. Core Cutting Mechanism

Initial Penetration

As the rigid cutting edge at the bucket's forefront, the cutting edge plate directly penetrates the material layer via the loader's travel thrust, forming an initial shear plane. Its bevel angle (typically 10°-15°) directly impacts penetration resistance; V-shaped serrated plates can reduce penetration resistance by up to 40% in rock conditions.

Crushing Transmission

After material is cut by the blade, the bucket's side and corner edges work synergistically to form a complete cutting profile. Medium-manganese alloy steel (hardness HB500+) ensures the blade resists plastic deformation under high pressure.

II. Performance Optimization Design

Parameter    Optimization Solution    Effect Improvement

Cutting Efficiency    V-shaped serrated structure + heat treatment process Rock crushing efficiency increased by 50%

Wear Resistance    Mn-alloyed steel (1.2%-1.8%)    Service life extended by 30%

III. Operating Condition Adaptation Guidelines

Loose Materials (Sand/Soil/Coal)

Use straight integral cutting plates, 2-3 meters long, with evenly distributed bucket tooth holes to enhance wear resistance.

Hard Materials (Rock/Frozen Soil)

Require V-shaped belt-toothed cutting plates with 50% increased tooth depth and impact heat treatment.

IV. Key Maintenance Indicators

Inspect cutting plate thickness every 500 hours; replace if wear exceeds 5mm.

Weld surface flatness tolerance must be <3mm/entire plate to prevent stress concentration-induced cracking.