Engineered for zero tolerance drift and extreme concentricity. We combine 600-ton closed-die forging with in-house CNC machining to prevent vibration and premature wear in high-performance electric motors.
Precision Component
High-RPM Motor Shafts
Engineered for zero tolerance drift and extreme concentricity. We combine 600-ton closed-die forging with in-house CNC machining to prevent vibration and premature wear in high-performance electric motors.
Quick Specifications
- Materials Handled:
- 4140, 4340 Alloy Steel, 1045 Carbon Steel, Other
- Forging Tonnage:
- 600-Ton Friction Press
- Dimensional Tolerances:
- ±0.1mm (Post-CNC Machining)
The Manufacturing Challenge
Completely eliminate runout at high speeds. Optimize grain flow through closed-die forging, combined with secondary finishing by internal 3-axis CNC machining, to ensure ultimate concentricity.
Technical Documentation
Engineering Data & Quality Control
Advanced Specifications
| Material Grade | 4140 / 4340 Alloy Steel |
| Hardness Range | HRC 28-32 (Post Heat Treatment) |
| Grain Flow | Optimized for High-Stress Applications |
| Surface Finish | Ra 3.2 μm (Post-Machining) |
| Testing Protocol | 100% Dimensional + Metallographic |
Metallurgical Verification
- ▸ Material composition certified via spectrometer analysis
- ▸ Grain structure verification through metallographic examination
- ▸ Hardness testing at multiple points per batch
- ▸ Flaw detection via magnetic particle or ultrasonic testing
Dimensional Inspection
- ▸ CMM (Coordinate Measuring Machine) for critical dimensions
- ▸ First Article Inspection (FAI) report provided
- ▸ Tolerance verification within ±0.1mm to ±0.3mm
- ▸ Batch traceability with serialized documentation
Detailed Engineering Overview
Start Your Project
Engineering Inquiry Form
Submit your technical requirements and CAD files for a detailed D2M feasibility review.