High-Precision CNC Machined Stainless Steel Flange Drive Shaft Mount for Gas-Liquid Separation Machinery
This CNC Turned Flange Drive Shaft Mount is a precision-engineered mechanical component specifically designed for gas-liquid separation machinery, including centrifugal separators, cyclone separators, and scrubber systems. It serves as a critical rotary interface between the drive unit and the separation rotor, ensuring stable torque transmission and accurate shaft alignment under continuous operation.
Manufactured through high-precision CNC turning and milling processes, this flange-mounted shaft mount offers excellent concentricity, surface finish, and mechanical strength, making it ideal for demanding separation environments involving mixed-phase fluids, pressure differentials, and moderate vibration.
- High-Precision CNC Machining: Achieves tight tolerances up to ±0.005 mm, ensuring smooth rotation and minimal runout during high-speed separation.
- Integrated Flange Design: The flange allows direct bolted connection to the separator housing or drive housing, simplifying assembly and improving structural rigidity.
- Durable Material Options: Available in stainless steel (304, 316L, 410), carbon steel (45#, 42CrMo) or duplex steel, depending on corrosion resistance and strength requirements.
- Excellent Surface Finish: Surface roughness down to Ra 0.8 μm on bearing and seal contact areas, reducing friction and wear on seals and bearings.
- Dynamic Balance Ready: Designed for optional dynamic balancing to minimize vibration in high-speed gas-liquid separation applications.
- Corrosion & Wear Resistant: Suitable for contact with oil, water, gas, and light chemical media (material-dependent).
| Parameter | Value / Range |
|---|---|
| Machining Process | CNC Turning, Milling, Drilling |
| Diameter Range | Ø20 mm - Ø200 mm (customizable) |
| Length Range | 50 mm - 500 mm |
| Tolerance | ±0.005 mm - ±0.01 mm |
| Surface Roughness | Ra 0.8 - 1.6 μm |
| Concentricity | ≤ 0.02 mm |
| Flange Hole Pattern | Custom (4, 6, 8 holes, etc.) |
| Material | SS304, SS316L, 45#, 42CrMo, Duplex 2205 |
| Heat Treatment | Quenching + Tempering (optional) |
| Balance Grade | G6.3 or higher (optional) |
This CNC turned flange drive shaft mount is widely used in the following gas-liquid separation equipment:
- Centrifugal gas-liquid separators (rotating vane type)
- Cyclone separators (drive shaft mounting interface)
- Oil-water-gas three-phase separators
- Compressor scrubbers (rotating element support)
- Mist eliminators with rotating internals
- Biogas purification systems
It acts as the mechanical link between the motor/reducer and the separation rotor, transmitting torque while maintaining precise axial and radial positioning.
| Feature | CNC Turned Mount | Cast/Welded Mount |
|---|---|---|
| Dimensional accuracy | High (±0.005 mm) | Low (±0.1 mm) |
| Surface finish | Excellent (Ra ≤ 1.6) | Rough (Ra ≥ 6.3) |
| Dynamic balance | Easy to achieve | Difficult |
| Batch consistency | Very high | Moderate |
| Lead time for prototypes | 7-15 days | 30-45 days |
Each flange drive shaft mount undergoes rigorous inspection before shipment:
- 100% dimensional inspection using CMM or optical comparator
- Surface roughness test (contact or laser profilometer)
- Concentricity & runout test on precision centers
- Material certificate (EN 10204 3.1 or 3.2 available)
- Optional: Magnetic particle inspection (MPI) or dye penetrant test (DPT)
We offer full OEM customization based on your drawings or samples:
- Custom flange hole patterns and bolt circle diameters
- Keyway, spline, or flat drive features
- Internal bore with bearing seat
- Special surface treatments: zinc plating, black oxide, electroless nickel plating
- Heat treatment: carburizing, induction hardening, nitriding
It serves as the precision mounting interface between the drive unit (motor/gearbox) and the rotating separation rotor. It transmits torque while maintaining accurate axial and radial positioning, ensuring stable operation of centrifugal separators, cyclone separators, and scrubber systems.
| Material | Best suited for |
|---|---|
| SS304 | General gas-liquid separation, mild corrosion |
| SS316L | Marine, chemical, or acidic environments |
| 45# / C45 carbon steel | High-strength, non-corrosive applications |
| 42CrMo | Heavy-load, high-torque applications |
| Duplex 2205 | Extreme corrosion + high strength requirements |
Our CNC turning process achieves:
- Standard tolerance: ±0.01 mm
- Precision tolerance: ±0.005 mm (upon request)
- Concentricity: ≤ 0.02 mm
These tight tolerances ensure smooth rotation and minimal vibration in high-speed separation equipment.
Yes. We can perform dynamic balancing on the flange drive shaft mount upon request. Typical balance grades available:
- G6.3 (standard for industrial machinery)
- G2.5 (for higher speed applications)
Please specify your speed (RPM) and balance requirement when ordering.
| Order type | Lead time |
|---|---|
| Prototype (1-5 pcs) | 7-15 days |
| Small batch (10-100 pcs) | 15-20 days |
| Medium batch (100-1000 pcs) | 20-30 days |
| Large batch (1000+ pcs) | 30-45 days |
Yes, we provide samples for quality verification:
- Sample charge: Applicable (deductible from mass production order)
- Sample lead time: 15-20 days
- Sample shipping: By express (DHL, FedEx, UPS) at customer's cost
Absolutely. We accept OEM custom designs based on:
- Your 2D drawing (PDF, DWG, DXF)
- 3D model (STEP, IGS, STP)
- Physical sample (reverse engineering available)
Custom features include:
- Flange bolt circle diameter (BCD)
- Number and size of mounting holes
- Keyway, spline, or flat drive features
- Internal bore with bearing seat
- Special chamfers or thread features
| Treatment | Purpose |
|---|---|
| Zinc plating | Rust prevention, low cost |
| Black oxide | Light corrosion resistance, aesthetic |
| Electroless nickel plating | Uniform hardness, wear resistance |
| Passivation (for stainless steel) | Removes surface iron, improves corrosion resistance |
| Nitriding / Induction hardening | Increases surface hardness for wear resistance |
Each part undergoes 100% inspection before shipment:
- Dimensional check: CMM or digital calipers/micrometers
- Surface roughness: Contact profilometer
- Concentricity & runout: On precision centers or V-blocks
- Material verification: Spectrometer (for alloys)
- Optional NDT: MPI or dye penetrant testing
- ISO 9001:2015 certified manufacturing facility
- Material certificates: EN 10204 Type 3.1 or 3.2 available upon request
- RoHS compliance available (for export to EU markets)
- Prototype order: 100 piece (no MOQ)
- Production order: 10-50 pieces depending on complexity
- Standard production batch: 1000 pieces for optimal pricing
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.