Product Description
| thing | describe |
| Design/Size | According to customer's drawings or samples |
| Material |
Aluminum: 6061, 6063, 6082, 7075, 5052, A380, etc. Stainless steel: SS201, SS301, SS303, SS304, (SS304 food grade), SS316, SS316L, SUS430, SS416 Steel: low carbon steel, carbon steel, 4140, 4340, Q235, Q345B, 20#, 45#, etc. Alloy steel (15Cr, 20Cr, 42CrMo), etc. Brass: HPb63, HPb62, HPb61, HPb59, H59, H68, H80, H90, etc. Copper, bronze, copper, etc. Titanium: TC4 (TiAl6v4, Grade f5) Plastic: ABS, PC, PE, POM, Delrin, Nylon, Plastic, PP, PEI, Peek, etc. |
| process | CNC machining, turning, milling, stamping, turning, cutting, etc. |
| Delivery time | Samples usually take 3-7 working days, and mass production will be carried out according to the detailed quantity after sample approval. |
| Surface treatment | Transparent anodizing, color anodizing, chemical coating, brushing, passivation, polishing, chrome plating, sandblasting, laser engraving, zinc plating, black oxide, nickel plating, chrome plating, carburizing, heat treatment, painting |
| Test equipment | Coordinate measuring machine (CMM), 2D measuring instrument, projector, altimeter, micrometer, thread gauge, hardness tester, caliper, pin gauge, salt spray tester, concentricity measuring instrument, spectrometer. |
| Quality Management System |
ISO 9001:2015 ISO 13485:2016 |
| application | Auto parts, machinery parts, computer parts, medical parts, home appliance parts, electrical parts, electronic product parts, electronic parts, generator parts, alternator parts, generator parts, stationery, power switches, micro switches, construction, merchandise and A/V equipment. |
| File Format | Solidworks, Pro/Engineer, CAD, PDF, JPG, DXF, IGS |
| Package | Inner plastic bag, outer standard carton, or as per customer's requirements |
| Shipping | Sea freight, air freight, international express (DHL, FedEx, TNT, UPS). |
| Serve | The professional foreign trade team provides enthusiastic and fast response services. Dimensional inspection report/Raw material certificate/Surface treatment report/Engineering drawing RoHS report/Salt spray test report/Hardness test report |
Precision Custom Machined Component for Automotive Filtration Systems
Product Overview
Material & Design Advantages
- Material Selection: High-grade medium carbon steel certified to international automotive material standards, delivering stable mechanical properties, excellent strength, toughness, and machinability.
- Surface Treatment: Standard automotive zinc plating with uniform adhesion and superior corrosion resistance for extended service life.
- Structural Design: Optimized multi-orifice flow paths ensure smooth fluid passage; full-radius fillets eliminate stress concentrations; integrated threads and locating surfaces guarantee assembly precision.
Precision Custom Machining Process
- Drawing Analysis & Process Planning
Our engineering team fully interprets requirements, defines critical features, tolerance standards, and inspection points, and develops a customized machining plan to minimize risks.
- Material Control & Preprocessing
Incoming raw materials are fully inspected and calibrated; stress-relief treatment ensures dimensional stability and internal soundness.
- High-Precision CNC Machining
Multi-axis CNC machines complete turning, milling, drilling, tapping, chamfering, and radiusing in a single clamping to reduce positioning errors.
- Precision Machining of Hole Patterns
Dedicated tooling and stable cutting parameters ensure consistent hole position, shape, and effective flow area.
- Full-Profile Micro-Fillet Finishing
Custom form tools and standardized CNC programs ensure uniform, mark-free fillets across all surfaces.
- Precision Thread Forming
Specialized thread tools and in-machine compensation ensure reliable, sealed, interchangeable threaded connections.
- Surface Finishing & Ultra-Cleaning
After plating, parts undergo professional cleaning, degreasing, and drying to meet automotive cleanliness standards.
- Full-Dimension Inspection & Packaging
Comprehensive inspection of dimensions, geometry, surface quality, cleanliness, and coating performance; 100% quality verification before clean packaging.
Key Machining Challenges & Solutions
Challenge 1: Position Accuracy & Effective Flow Area of Multi-Hole Structures
- Issue: Complex hole patterns require high precision and consistent effective flow area; conventional methods risk misalignment or insufficient flow.
- Solution: Custom fixturing, 4-axis simultaneous machining, in-process measurement, and real-time compensation for closed-loop control.
Challenge 2: Uniformity of Full-Profile Micro-Fillets
- Issue: Inconsistent or sharp fillets cause stress concentrations and reduce fatigue life.
- Solution: Custom form tools, optimized toolpaths, and one-shot forming to ensure uniformity without tool marks.
Challenge 3: Coordinated Accuracy of Threads & External Features
- Issue: Mismatched thread and locating dimensions lead to assembly issues, poor sealing, or loosening.
- Solution: Single-setup composite machining, dedicated threading tools, and automatic in-machine compensation.
Challenge 4: Ultra-High Cleanliness Requirements
- Issue: Residual oil, chips, or particles violate automotive specifications.
- Solution: Cleanroom production, dedicated cleaning lines, full-process contamination control, and final cleanliness inspection.
Challenge 5: Batch Consistency & Stability
- Issue: Complex non-standard parts are prone to dimensional variation in mass production.
- Solution: Standardized processes, dedicated tooling, stable parameters, and full-process quality control for consistent small-batch to medium-volume production.
Quality Assurance
- Full material traceability with certified material reports
- Real-time monitoring and sampling at critical process stages
- 100% final inspection of dimensions, geometry, surface quality, cleanliness, and coating
- Compliance with automotive quality management systems
Our Custom Machining Services
- Experienced Team: Specialized in automotive precision non-standard components, familiar with OEM standards
- One-Stop Service: From drawing analysis, process design, machining, surface treatment to inspection and delivery
- High-Precision Capacity: Advanced CNC equipment and custom tooling for complex, high-tolerance parts
- Flexible Delivery: Support for prototype, small-batch, and medium-volume production with reliable lead times
- After-Sales Support: Technical consultation, assembly guidance, and prompt quality response
Summary


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





