Custom CNC Machined Internal Spline Flange for Gearbox and Power Transmission Systems
Description
This precision CNC machined internal spline flange ring is designed for high-torque power transmission applications requiring reliable spline engagement, accurate positioning, and excellent mechanical strength. Manufactured from high-quality alloy steel or stainless steel materials, the component is widely used in industrial gearboxes, planetary reducers, heavy machinery transmission systems, construction equipment, and automotive driveline assemblies.
The part features precision internal spline teeth combined with a robust flange mounting structure, enabling stable torque transfer and secure assembly under demanding operating conditions. Advanced CNC turning, milling, and spline machining processes ensure excellent concentricity, tight dimensional tolerances, and smooth surface finish for high-performance transmission applications.
Heat treatment processes such as quenching, tempering, carburizing, or nitriding can be applied according to customer requirements to improve wear resistance, fatigue strength, and service life. Custom dimensions, spline standards, mounting hole configurations, and surface treatments are fully supported based on drawings or samples.
With extensive experience in precision CNC machining services, we provide OEM and ODM manufacturing solutions for various transmission and industrial equipment industries, ensuring stable quality, competitive pricing, and reliable delivery.
| Parameter | Specification |
|---|---|
| Product Name | Custom CNC Machined Internal Spline Flange Ring |
| Part Type | Internal Spline / Transmission Flange Component |
| Manufacturing Process | CNC Turning + Milling + Internal Spline Machining |
| Material Options | 4140 Alloy Steel / 42CrMo / 40Cr / Stainless Steel / Customized |
| Surface Treatment | Black Oxide / Nitriding / Carburizing / Zinc Plating / Polishing |
| Heat Treatment | Quenching & Tempering / Induction Hardening |
| Hardness | HRC 28–58 (Depending on Application) |
| Outer Diameter | Customized (50–500 mm) |
| Inner Spline Type | Involute Spline / Straight Spline |
| Spline Standard | DIN 5480 / ANSI / ISO / Customized |
| Number of Spline Teeth | Customized |
| Flange Hole Type | Threaded Holes / Through Holes |
| Tolerance | ±0.01 mm |
| Concentricity | ≤0.02 mm |
| Surface Roughness | Ra 0.8–3.2 |
| Application | Gearbox / Planetary Reducer / Heavy Equipment Transmission |
| Industry | Power Transmission / Industrial Machinery / Automotive / Construction Equipment |
| Drawing Format Supported | PDF / DWG / DXF / STEP / IGS |
| OEM / ODM Service | Supported |
| MOQ | 1 Piece |
| Sample Lead Time | 7–15 Days |
| Mass Production Lead Time | 15–30 Days |
| Inspection Equipment | CMM / Hardness Tester / Spline Gauge |
| Quality Control | 100% Dimensional Inspection Before Shipment |
| Packaging | Anti-rust Oil + Foam + Export Carton / Wooden Case |
Additional information
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