High-Precision Non-Standard Mechanical Components | OEM/ODM Power Transmission Solutions | Custom Gear & Spline Shaft Manufacturing
As a specialized custom manufacturer of non-standard CNC machined components, we deliver high-precision machining solutions for spline shafts, drive shafts, keyway shafts, and complex power transmission parts. Engineered to withstand heavy rotational torque, high-frequency reversing loads, and zero-backlash operational demands, our parts are manufactured strictly according to your engineering drawings, 3D CAD models, and ISO/DIN/AGMA precision standards.
1. Target Applications & Industry Coverage
| Industry Sector | Typical Component Applications |
| Robotics & Automation | Humanoid robot joint actuators, dexterous hand components, harmonic reducer input shafts, AGV/AMR drive shafts, servo motor shafts, industrial robot arm gearboxes. |
| Automotive & EV Transmission | Electric vehicle (EV) motor rotor shafts, differential spline shafts, axle drive shafts, transmission input/output shafts, power take-off (PTO) shafts, steering column splines. |
| Aerospace & Defense | Flight control actuator shafts, turbine engine accessory drives, landing gear mechanisms, UAV propeller shafts, radar positioning drive shafts. |
| Industrial & Heavy Machinery | Hydraulic pump shafts, construction machinery drive axles, mining gear shafts, agricultural tractor PTO shafts, crane winches, heavy reducer box shafts. |
| Precision Machinery & Tools | CNC machine tool spindles, ball screw spline combination shafts, printing press roller shafts, textile machinery drives, packaging equipment timing shafts. |
| Marine & Renewable Energy | Wind turbine yaw/pitch drive shafts, outboard motor driveshafts, marine propulsion shafting, solar tracker gear drives. |
2. Spline Profiles & Geometric Capabilities
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Involute Splines: DIN 5480, DIN 5482, ANSI B92.1, ISO 4156, JIS D 2001 (Pressure angles: 30°, 37.5°, 45°). Ideal for high-torque, self-centering transmission systems.
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Parallel / Straight-Sided Splines: DIN 5462, DIN 5463, SAE J498, ISO 14. Superior for heavy sliding connections and keyway replacement.
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Helical & Spiral Splines: Smooth torque transfer with reduced vibration and operational noise in high-RPM drive systems.
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Specialized Profiles & Features: Serrations (DIN 5481), Crowned Splines (angular misalignment compensation), Face Splines / Hirth Couplings, Keyed Shafts, Integrated Helical Gears, and Threaded Ends.
3. Comprehensive Material Selection
| Material Category | Available Grades & Selection Rationale |
| Alloy & Carbon Steel |
4140 (42CrMo4), 8620, 4340, 5120, 20CrMnTi, 1045 (C45)
High core toughness, fatigue resistance, and heavy torque load capacity. |
| Stainless Steel |
304, 316L, 17-4PH (SUS630), 420, 440C, 316Ti
Corrosion resistance, high tensile strength, and wear resistance for marine, food, and medical machinery. |
| Tool Steel & Bearing Steel |
D2 (1.2379), O1, H13, 52100 (100Cr6)
Extreme surface hardness and wear resistance for heavy impact industrial applications. |
| Aluminum Alloys |
6061-T6, 7075-T6, 2024-T3, 5082
Lightweight drive components for aerospace, racing, and robotic arm actuators. |
| Copper, Brass & Bronze |
C36000 Brass, C93200 (SAE 660) Bronze, Aluminum Bronze (C95400), Beryllium Copper
Anti-galling properties, low friction, self-lubricating splined sleeves, and spark-free drive components. |
| Titanium Alloys |
Grade 5 (Ti-6Al-4V), Grade 2
Ultra-high strength-to-weight ratio and bio-compatibility for aerospace and specialized medical drives. |
| Engineering Plastics |
PEEK, POM (Acetal/Delrin), Nylon 66 (PA66), PTFE, UHMWPE
Low friction, quiet operation, electrical insulation, and lightweight non-metallic drives. |
4. Manufacturing Processes & Secondary Operations
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Primary Spline & Gear Forming: CNC Gear Hobbing, Gear Shaping, Broaching, Spline Cold Rolling, Thread/Spline Milling, Wire EDM, Sink EDM.
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CNC Machining & Turning: Multi-Axis Swiss CNC Lathes, 4-Axis & 5-Axis CNC Milling Centers, Mill-Turn Composite Centers for complete one-setup machining.
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Precision Grinding & Finishing: CNC Spline Grinding, OD/ID Cylindrical Grinding, Surface Grinding, Centerless Grinding (Tolerances down to ±0.003 mm / 0.0001″, Surface Roughness Ra 0.2 – Ra 0.4).
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Thermal Processing / Heat Treatment: Carburizing & Quenching (58-62 HRC), Induction Hardening, Nitriding / Nitrocarburizing, Annealing, Tempering, Vacuum Heat Treatment.
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Surface Treatments & Coatings: Anodizing (Type II / Hard Type III), Black Oxide, Electroless Nickel Plating, Hard Chrome Plating, Zinc Flake Coating, Passivation, PVD Coatings (TiN, DLC).
5. Quality Control & Production Services
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Advanced Metrology: Zeiss CMM (Coordinate Measuring Machine), Gear Measurement Centers, Optical Profile Projectors, Micro-Hardness Testers, Surface Roughness Testers.
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Quality Documentation: Full Dimensional Inspection Reports (FAI/CMM), Material Test Certificates (MTC 3.1), Heat Treatment Traceability Certificates.
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Flexible Order Volume: Rapid Prototyping (1–10 pcs), Low-Volume Pilot Production (100–1,000 pcs), and High-Volume Mass Production.
Get Started Today: Send your 2D engineering drawings (PDF/DWG) or 3D STEP/IGES CAD models for a free Design for Manufacturability (DFM) evaluation and fast quotation!
