Precision Fluid Manifold Custom Machining Solutions

Core Product Positioning & Custom Value

Key Product Specifications & Customization Scope

Core Configuration Options

• Material Customization: Primary material is high-strength 6082-T6 aluminum alloy (suitable for medium-to-low pressure applications). For high-pressure, corrosion-resistant, or high-temperature environments, we can customize with 6061-T6, 7075-T6 aluminum alloys, or stainless steel/carbon steel.
• Structural Features: Integrated multi-dimensional threaded ports, stepped holes, blind holes, cross-channels, locating datum surfaces, and mounting flanges. Port specifications, channel routing, and overall dimensions are fully customizable.
• Surface Treatment: Standard finish is 8-15μm matte anodizing (enhances corrosion resistance, surface hardness, and sealing compatibility). Custom options include hard anodizing, Teflon coating, or passivation for marine or chemical environments.
• Performance Standards: Customized air tightness (zero leakage), pressure resistance, and flow stability to meet requirements from low-pressure pneumatic to medium-to-high pressure hydraulic systems.

Custom Application Scenarios

1. Compact integrated design for space-constrained equipment, replacing traditional multi-pipe assemblies.
2. Specialized materials and surface treatments for harsh operating conditions (high corrosion, vibration, or temperature extremes).
3. Multi-branch precision distribution for complex fluid circuits, with minimal pressure loss and no turbulence.
4. Phased delivery for rapid prototyping, small-batch trials, and large-scale production.

End-to-End Custom Machining Process (From Design to Delivery)

1. Pre-Production Design Collaboration (Critical Customization Phase)

• Design Optimization: Upon receiving client 3D models/2D drawings, our senior process engineers collaborate to refine channel design, port layout, and datum selection for manufacturability, cost efficiency, and ease of assembly.
• Process Simulation: Use professional CAM software to simulate complex channel and multi-face machining paths, preemptively avoiding interference, tool wear, and workpiece deformation.
• Prototyping: For first-time clients, we produce a process prototype for dimensional and air tightness testing. Client approval is required before full production.

2. Core Machining Process (Precision Control at Every Stage)

1. Raw Material Selection & Pre-Treatment
   • Source certified forgings/bars, rejecting recycled materials to ensure uniform internal structure and avoid cracking/leakage risks.
   • Conduct material spectral analysis and stress-relief treatments (natural/artificial aging) before machining to minimize deformation.
2. Multi-Stage Precision Machining
   • Rough Machining: Heavy-duty CNC centers remove most material, leaving controlled stock for finishing.
   • Semi-Finishing: Calibrate datum surfaces and locate critical features to establish a stable foundation for final machining.
   • High-Precision Finishing (Core Process):
     • 5-Axis CNC Machining: Achieves "one-setup, multi-face machining" using high-precision linear scales (±0.005mm positioning accuracy), eliminating cumulative errors.
     • Channel Machining: Specialized deep-hole drills and high-pressure internal cooling ensure straightness, coaxiality, and smooth internal finishes, reducing pressure loss.
     • Thread Machining: Precision taps or thread milling ensure full thread form and sealing compatibility.
3. Post-Processing (Critical for Reliability)
   • Deburring & Chamfering: A combination of mechanical and manual finishing removes all burrs, especially in internal channels, verified via endoscopy.
   • Multi-Stage Cleaning: High-pressure water jetting → ultrasonic cleaning → high-pressure air drying → vacuum drying to achieve NAS 6 cleanliness for hydraulic systems.
   • Surface Treatment: Automated anodizing lines ensure uniform oxide layers (8-15μm) and consistent color. Threads and locating holes are protected from oxidation.

3. Customized Testing & Validation (Zero-Defect Delivery)

1. Dimensional Inspection: Coordinate Measuring Machines (CMM, ±0.003mm accuracy) perform full inspections, with detailed reports. Conventional features are verified via 2D imagers and gauges.
2. Performance Testing:
   • Air Tightness: Helium leak detectors or bubble testing ensure zero leakage under specified pressures.
   • Pressure Testing: Products are tested at 1.5x rated pressure to confirm no deformation or seepage.
   • Flow Testing: For distribution manifolds, flow characteristics are validated against design ratios.
3. On-Site Validation (Optional): We can assemble manifolds with client-provided valves and hoses for in-situ testing before delivery.

Key Machining Challenges & Targeted Solutions

Challenge 1: Precision & Finish of Complex Channels

• Pain Points: Crossed deep holes and angled channels are prone to misalignment, coaxiality errors, and rough surfaces, causing pressure loss and noise.
• Solutions:
  • 5-axis machining with high-speed spindles and solid carbide drills for smooth cutting.
  • "Drill → Ream → Hone" processes for critical channels; cross-sections use auxiliary process holes sealed after machining.
  • Endoscopic inspection of every channel post-machining.

Challenge 2: Multi-Datum & Multi-Port Dimensional Chain Control

• Pain Points: Tight positional, parallel, and perpendicular tolerances between ports, holes, and sealing surfaces are critical for assembly and sealing.
• Solutions:
  • Custom fixtures with "one-face, two-pin" locating ensure ±0.005mm repeatability; one-setup machining eliminates errors.
  • Unified design/manufacturing/inspection datums; process engineers break down dimensional chains.
  • Continuous CMM measurements for critical features.

Challenge 3: Aluminum Alloy Machining Deformation

• Pain Points: Low hardness and high thermal conductivity lead to thermal deformation and "built-up edge" issues.
• Solutions:
  • Diamond-coated tools and optimized parameters (high speed, low feed, shallow depth) reduce heat and friction.
  • High-pressure coolant systems (up to 70bar) dissipate heat and clear chips.
  • Low-temperature aging between rough and semi-finishing; multiple light finishing passes.

Challenge 4: Balancing Customization & Production Stability

• Pain Points: Diverse custom demands (prototyping vs. mass production) can lead to long lead times and inconsistent quality.
• Solutions:
  • Cellular Production: Dedicated cells for prototyping/small batches and automated lines for mass production.
  • Process Standardization: Templates for common manifolds reduce planning time by 30%.
  • Three-Level Inspection: First-piece, in-process, and final-piece inspections ensure batch consistency.

Our Custom Service Advantages

1. End-to-End Technical Enablement

2. Rigorous Quality Control

3. Flexible Delivery Models

• Prototyping: 3-5 days for process samples.
• Small Batches: 10-50 units with no minimum order.
• Mass Production: Thousands of units monthly with 100% on-time delivery.
• Export Ready: Neutral/custom export packaging, customs documentation, and CE/ROHS certifications.

4. Long-Term After-Sales Support

• 12-month warranty for non-human/non-environmental damage.
• 24/7 technical support from dedicated engineers.
• Product databases for repeat orders and upgrades.

Case Studies (Selected)

Case 1: Medium-Pressure Hyd Manifold for Construction Machinery

• Requirement: Lightweight, integrated design for mini-excavators; 1000 units/month; 1.2x pressure testing.
• Solution: 6082-T6 aluminum, optimized channels, 5-axis machining with custom fixtures.
• Result: Passed all tests; became core supplier with 100% on-time delivery.

Case 2: Precision Pneumatic Manifold for New Energy Equipment

• Requirement: Single prototype for lithium battery equipment; NAS 6 cleanliness; 3-day lead time.
• Solution: Dedicated prototyping cell, ultrasonic cleaning, full CMM inspection.
• Result: Delivered in 3 days; client placed mass order.

Tel: +86 187 5714 8656
Email: zhouli@chinaliqin.com
WhatsApp: +86 187 5714 8656
Website: https://www.cncliq.com/