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Crusher Main Shaft Forging
Crusher Main Shaft Forging
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This shaft forging is used in crushing and mining systems where the main shaft works under repeated heavy loads and severe service conditions. The forging route is selected to obtain a strong shaft preform suitable for large-section machining and stable service performance. It is commonly supplied as a forged or rough-machined blank for downstream machining of journals, tapers, threaded ends, or assembly features required by crusher design. For special shaft projects, purchasing decisions are usually driven by operating load, machining sequence, straightness control, and the need for adequate stock in journals, tapers, or connection zones. These forgings are therefore produced with attention to section transition, heat-treatment compatibility, and dimensional allowance so that the customer can complete the final shaft geometry with reduced structural risk. Additional rough machining, ultrasonic testing, mechanical-property verification, and marking can also be provided for projects with stricter equipment or inspection requirements.
| Parameter | Description |
|---|---|
| Key Features | Impact load resistance, large-section soundness, critical-section UT coverage |
| Typical Materials | 42CrMo4, 35CrMo, 40Cr, per drawing |
| Size Range | Diameter 300~1000mm / Length 2000~6000mm / Unit Weight ≤50 tons |
| Typical Applications | Cone crusher main shafts, jaw crusher main shafts, gyratory crusher main shafts |
| Supply Condition | Quenched & tempered / Rough machined (journals + taper + threaded ends) |
| Inspection & Docs | UT 100% high sensitivity, mechanical properties, full dimensional inspection, EN 10204 3.1 |
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