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Customized Construction Machinery Field Forged Shaft
Home / Products / Forging / Open Die Forging / Forged Shafts / Construction Machinery Field Forged Shaft
Construction Machinery Field Forged Shaft

Construction Machinery Field Forged Shaft

Application scenarios: Excavator drive shafts, loader gearbox shafts, crane turntable shafts, bulldozer transmission shafts, etc.
Working condition characteristics: Frequent starting and braking, subject to severe impact loads and vibrations. The working environment is mostly outdoor, possibly in contact with impurities such as soil and water, requiring wear resistance and impact resistance.

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  • Performance Requirements
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Performance Requirements

Commonly used materials:
40Cr: Moderate cost, with balanced strength and toughness after quenching and tempering, suitable for transmission shafts under medium loads such as loaders and bulldozers.
4140/EN19/42CrMo4: Higher strength and better wear resistance, used for components bearing heavy loads such as excavator drive shafts.
20CrMnMo: After carburizing, the surface is wear-resistant and the core is impact-resistant, suitable for gear shafts in construction machinery gearboxes.

Material Heat Treatment Key Characteristics Typical Applications
40Cr Quenching and Tempering Moderate cost, balanced strength, and toughness Transmission shafts under medium loads (e.g., loaders, bulldozers)
4140 / EN19 / 42CrMo4 Quenching and Tempering Higher strength, better wear resistance Components bearing heavy loads (e.g., excavator drive shafts)
20CrMnMo Carburizing Wear-resistant surface, impact-resistant core Gear shafts in construction machinery gearboxes
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