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DZ90149320001
Shacman
| Parameter | Specification |
|---|---|
| Tooth Count (Number of Teeth) | Typically 32 teeth (may vary between 30–36 depending on final drive ratio, e.g., i=5.26, 5.73, 5.92). Must be matched with pinion tooth count (e.g., 10T pinion + 32T ring = 3.2:1 ratio). |
| Module (Modulus) | Approx. 8–10 mm (standard for heavy-duty commercial vehicle axles) |
| Pitch Diameter | Estimated 256–340 mm (calculated based on module × number of teeth) |
| Material | High-strength alloy steel: • 20CrMo • 22CrMoH • 40CrMo • Complies with GB/T 3077 (Chinese standard for alloy structural steels) |
| Heat Treatment | Carburizing & Quenching + Tempering |
| Surface Hardness | 58–62 HRC |
| Core Hardness | 35–45 HRC |
| Case Depth (Carburized Layer) | 1.8–2.5 mm |
| Processing Technology | Forged blank → Normalizing → Rough Machining → Carburizing & Hardening → Precision Grinding (tooth surface) |
| Gear Accuracy Grade | ISO 1328 or GB/T 10095.1-2008 Level 6–7 (High precision ground gear) |
| Rotation Direction | Bi-directional operation compatible; correct contact pattern must be adjusted during installation |
| Weight | Approximately 28–35 kg (varies by model) |
| Design Type | Spiral Bevel Gear (Hypoid Ring Gear), Single Reduction Axle |
| Sealing Requirement | Used with differential housing gasket and oil seal (recommended replacement upon disassembly) |
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