Precision CNC Machined External Splined Flange Shaft for Industrial Drive Systems
Description
The Precision CNC Machined External Splined Flange Shaft is a high-performance mechanical component designed for reliable torque transmission and precise alignment in industrial drive systems. Manufactured using advanced CNC turning and multi-axis milling processes, this part integrates an external spline structure with a flange mounting interface, ensuring both efficient power transfer and secure installation.
The external splines are machined to tight tolerances to achieve smooth engagement with mating internal spline components, minimizing backlash and wear during operation. The flange design allows for rigid and accurate mounting to gearboxes, motors, or other mechanical assemblies, making it an ideal solution for high-load and high-precision applications.
This component can be produced in a wide range of materials, including aluminum alloys for lightweight applications and alloy steels for high-strength requirements. Additional surface treatments such as anodizing, heat treatment, or plating are available to enhance durability, corrosion resistance, and service life under demanding operating conditions.
Widely used in power transmission systems, coupling assemblies, and industrial machinery, this splined flange shaft is fully customizable to meet specific design requirements, including spline standards, dimensions, tolerances, and mounting configurations.
| Parameter | Specification |
|---|---|
| Part Name | External Splined Flange Shaft / Splined Hub |
| Manufacturing Process | CNC Turning + CNC Milling + Spline Milling (4/5 Axis Machining) |
| Material Options | Aluminum (6061-T6, 7075-T6), Carbon Steel (1045), Alloy Steel (4140 / 42CrMo), Stainless Steel (304 / 316) |
| Surface Treatment | Anodizing, Hard Anodizing, Black Oxide, Nickel Plating, Zinc Plating, Sandblasting, Passivation |
| Outer Diameter | Custom (Typically 20 mm – 300 mm) |
| Length | Custom (Typically 50 mm – 500 mm) |
| Spline Type | External Straight Spline / Involute Spline |
| Spline Standard | ANSI B92.1 / DIN 5480 / ISO 4156 (Custom Available) |
| Number of Teeth | Custom (Based on application requirements) |
| Spline Tolerance | ISO Grade 5–7 (High Precision Available) |
| Inner Bore | Through Hole / Stepped Bore / Keyway Optional |
| Bore Tolerance | H7 / H6 (Customizable) |
| Flange Type | Round Flange with Bolt Holes |
| Bolt Hole Pattern | Custom (2–12 Holes, PCD configurable) |
| Concentricity | ≤ 0.01 mm |
| Surface Roughness | Ra 0.8 – 3.2 μm |
| Heat Treatment | Quenching & Tempering / Induction Hardening (for steel parts) |
| Hardness | HRC 28–45 (Steel Parts, Optional) |
| Application | Power Transmission Systems, Couplings, Gear Assemblies, Industrial Machinery |
| OEM / ODM | Supported |
| Quality Control | 100% Inspection (CMM, Micrometer, Height Gauge, Spline Gauge) |
| Lead Time | 7–25 Days (Depending on Complexity & Quantity) |
| Certification | ISO 9001 / RoHS (If Required) |
Additional information
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