Introduction
Mining bucket teeth are the fastest-wearing parts of excavators, and their selection directly affects the equipment attendance rate and ton of ore cost. Based on measured data from mining areas such as Inner Mongolia and Shanxi, this article analyzes the three core selection dimensions of bucket teeth: material, structure, and installation.
Material selection: Technological evolution from manganese steel to nano coating
1. Traditional manganese steel bucket teeth
Hardness HRC48-52, life of about 120 hours in iron ore working condition
Advantages: Low unit price (¥600-800/piece), suitable for short-term projects
Disadvantages: Wear rate of high-silicon rock formation reaches 0.8mm/h
2. Tungsten steel composite bucket teeth (recommended)
Surface nano coating hardness HRC62 (XCMG GW370 actual measurement)
Life comparison: Rock formation type Manganese steel life Tungsten steel life Iron ore 150h450h Granite 90h280h
Ton consumption cost reduced by 41% (from ¥4.53 to ¥2.67)
3. Ceramic reinforced (cutting-edge technology)
Zirconium oxide particles reinforce the matrix, and the impact resistance is increased by 35%
Applicable scenarios: Extremely hard rock formations with quartz content > 30%
Structural design: Analysis of 7 key parameters
1. Sawtooth angle
The 22° helical tooth design (Caterpillar patent) reduces digging resistance by 15% compared to traditional 18° teeth
2. Buckle type
The modular quick-release structure (such as Komatsu PC8000 series) reduces the replacement time from 45 minutes to 8 minutes.
3. Weight matching
The weight of the bucket tooth should account for 18-22% of the total weight of the bucket. Too light will cause stress concentration (case: a certain mining area caused the bucket arm to crack due to 5% overweight).
Installation and maintenance: 3 fatal details that are ignored
1. Bolt torque control
The 36mm specification bolt needs to reach ±850N·m (error <3%). Over-tightening will cause the tooth seat to deform.
2. Wear warning standard
When the tooth tip wears more than 1/3 of the original length, the penetration force decreases by 40% (a laser thickness gauge is required for regular inspection).
3. Inventory management formula
Safety inventory = average monthly consumption × procurement cycle × 1.5 (a mine in Xinjiang suffered a single-day loss of ¥230,000 due to stock shortage)
Conclusion
In 2025, bucket tooth technology has shifted from simple wear resistance to intelligent adaptation. It is recommended to give priority to traceable products with RFID chips (such as Sany SY365H-8 bucket teeth).
After reading this article, can it help you better choose mining bucket teeth? If you need to purchase related products, you can contact us!
Click here to visit our web.
Click here to visit our alibaba （There are more kinds of products）.
Post time: Jul-09-2025