Spool Shafts
Precision-engineered spool shafts, worm gears, and transmission components manufactured with advanced CNC technology for optimal power transmission and mechanical efficiency.
Product Range

Spool Shafts
Precision ground spool shafts for hydraulic valves and control systems with tight tolerances.

Worm Gears
High-efficiency worm gears and worm wheels for speed reduction applications.

Valve Spools
Hydraulic valve spools with precision lands and grooves for flow control applications.

Transmission Shafts
Custom transmission shafts for automotive and industrial gearbox applications.

Lead Screws
Precision lead screws and ball screws for linear motion and positioning systems.

Gear Shafts
Integrated gear shafts combining shaft and gear elements for compact designs.
Technical Specifications
Dimensional Capabilities
- • Diameter Range: 3mm to 200mm
- • Length Range: Up to 1000mm
- • Tolerance: ±0.002mm to ±0.01mm
- • Surface Finish: Ra 0.2 to Ra 1.6
- • Straightness: 0.01mm per 100mm
- • Concentricity: 0.005mm TIR
Material Options
- • Tool Steel: D2, H13, M2, A2
- • Stainless Steel: 17-4 PH, 15-5 PH, 440C
- • Carbon Steel: 1045, 4140, 4340
- • Alloy Steel: 8620, 9310, 4320
- • Special Alloys: Inconel, Hastelloy
- • Surface Treatments: Hard Chrome, Nitriding
Manufacturing Process
Material Preparation
Precision cutting and preparation of raw materials to required dimensions
CNC Machining
Multi-axis CNC turning and milling for complex geometries and tight tolerances
Heat Treatment
Controlled heat treatment for optimal hardness and mechanical properties
Precision Grinding
Centerless and cylindrical grinding for final dimensions and surface finish
Quality Control
Dimensional Inspection
- • CMM Measurement
- • Optical Comparator
- • Surface Roughness Tester
- • Roundness Measurement
- • Concentricity Verification
Material Testing
- • Hardness Testing (HRC, HV)
- • Tensile Strength Testing
- • Fatigue Testing
- • Microstructure Analysis
- • Chemical Composition
Performance Testing
- • Torque Capacity Testing
- • Wear Resistance Testing
- • Vibration Analysis
- • Balancing Verification
- • Functional Testing
Applications
Industrial Applications
Hydraulic Systems
Valve spools for directional and proportional control valves
Automation Equipment
Lead screws for CNC machines and robotic systems
Power Transmission
Worm gears for speed reduction in industrial gearboxes
Marine Applications
Corrosion-resistant shafts for marine propulsion systems

Performance Characteristics
99.9%
Dimensional Accuracy
10^8
Cycle Life
0.2 μm
Surface Finish Ra
350 HV
Surface Hardness
Custom Engineering Services
Design & Development
- • Custom Design Based on Application Requirements
- • Finite Element Analysis (FEA) for Stress Optimization
- • Prototype Development and Testing
- • Material Selection and Heat Treatment Optimization
- • Performance Validation and Certification
- • Production Scale-up and Process Optimization

Precision Transmission Solutions
From standard spool shafts to complex custom transmission components, we deliver precision-engineered solutions that ensure reliable power transmission and optimal performance.