A precision-machined rotating shaft with integrated gear teeth that transmits torque and rotational motion in mechanical systems.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Length | 50-3000 mm | |
| Diameter | 10-500 mm | |
| Gear Module | 1-10 mm | |
| Core Hardness | HRC 28-40 | |
| Tooth Profile | Involute (standard) | |
| Pressure Angle | 20° (standard), 14.5° or 25° (special) | |
| Surface Finish | Ra 0.4-1.6 μm | |
| Runout Tolerance | 0.01-0.03 mm | |
| Surface Hardness | HRC 45-62 | |
| Straightness Tolerance | 0.01-0.05 mm/m |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
A practical evidence checklist for RFQ preparation and supplier evaluation.
CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.
8 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.
Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.
A gear shaft integrates the gear teeth directly onto the shaft body, eliminating the need for separate components and assembly. This provides better concentricity, reduced assembly time, and improved reliability compared to press-fit or keyed gear assemblies. However, it requires more complex manufacturing and makes replacement more difficult.
Material selection depends on load requirements, operating environment, and cost considerations. Alloy steels (4140, 4340) offer the best balance of strength and toughness for most industrial applications. For corrosive environments, consider stainless steels. High-speed applications may require specialized alloys with better heat resistance. Always consider surface hardening treatments to improve wear resistance.
Common failures include tooth pitting and spalling from surface fatigue, bending fatigue leading to shaft fracture, torsional shear failure, wear from inadequate lubrication, and misalignment-induced failures. Proper design, material selection, heat treatment, lubrication, and alignment are critical for preventing these failures.
Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.