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Technical Features and Specifications
| Feature | Detail |
|---|---|
| Material | 4140, 4340, or 1045 Carbon Steel. |
| Hardening | Surface induction hardening to 50-60 HRC. |
| Lubrication | Often features forged-in grease grooves or cross-drilled ports. |
Our pins are precision-machined to ensure a perfect fit in the bucket bushings. The forging process ensures that the grain flow follows the circumference of the pin, providing maximum resistance to the "bending" and "shear" forces exerted by the excavator's hydraulic cylinders.
Corporate Culture and Development Philosophy
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Development Conceptscientific and technological innovation as the driving force. -
Quality PolicyPeople, integrity, truth-seeking, innovation -
Core ValueCommon development to achieve symbiosis and win-win.
Buying Tips for Wear Parts
- Case Depth: For mining, specify a deep induction-hardened case (3mm - 5mm) to ensure the pin lasts in sandy or rocky conditions.
- Grease Path: Ensure the internal lubrication holes are deburred to prevent stress cracks from starting inside the pin.
- OEM Compatibility: Verify the dimensions match major brands like CAT, Komatsu, or Hitachi for easy field replacement.
Advantages of Forged Pins
| Advantage | Field Benefit |
|---|---|
| Impact Resistance | Won't shatter when the bucket hits unyielding rock. |
| Reduced Wear | Hardened surface minimizes "play" in the bucket linkage. |
| Cold Weather Performance | Forged alloys maintain toughness at sub-zero temperatures. |
Primary Applications
| Application | Usage Context |
|---|---|
| Mining Excavators | Heavy-duty pins for 100+ ton machines. |
| Construction Equipment | Standard pins for backhoes and loaders. |
| Demolition Tools | Pivot pins for shears and pulverizers. |
- Q: Why do pins need a "Tough Core"?
- A: If the whole pin were hard, it would be brittle and snap like glass. The "soft" core allows the pin to flex slightly under extreme load while the hard surface resists wear.
