CNC Machining Products Made in Zhejiang China

• Customization: Available
• After-sales Service: Online Technology Support
• Warranty: Online Technology Support
• Model NO.: machining
• Condition: New
• Certification: CE, RoHS, GS, ISO9001
• Standard: DIN, ASTM, GOST, GB, JIS, ANSI, BS
• Customized: Customized
• Material: Stainless Steel
• Application: Metal Recycling Machine, Metal Cutting Machine, Metal Straightening Machinery, Metal Spinning Machinery, Metal Processing Machinery Parts, Metal forging Machinery, Metal Engraving Machinery, Metal Drawing Machinery, Metal Coating Machinery, Metal Casting Machinery
• Transport Package: Carton, Pallet
• Specification: 100 x110x120
• Trademark: Bosswinn
• Origin: China
• HS Code: 7320209000
• Production Capacity: 24000

Product Description

 

Product Description

CNC fine machining parts refer to components that are manufactured using Computer Numerical Control (CNC) machining processes with a high degree of precision and accuracy. These parts are typically used in industries where tight tolerances, intricate designs, and superior surface finishes are required. CNC fine machining is capable of producing complex geometries and high-quality parts that meet stringent specifications.

Key Characteristics of CNC Fine Machining Parts:

1. High Precision: CNC fine machining achieves extremely tight tolerances, often in the range of micrometers (µm), ensuring that parts meet exact design specifications.

2. Superior Surface Finish: The process produces smooth and refined surfaces, reducing the need for additional finishing operations.

3. Complex Geometries: CNC machines can create intricate shapes, fine details, and complex features that are difficult or impossible to achieve with conventional machining methods.

4. Material Versatility: CNC fine machining can work with a wide range of materials, including metals (e.g., aluminum, steel, titanium), plastics, and composites.

5. Repeatability: CNC machining ensures consistent quality and accuracy across multiple parts, making it ideal for high-volume production.

 

 

 

 

 

Table 1: Material Properties and Workcraft

Material Category	Material Types	Physical Data	Workcraft (Machining Processes)
Stainless Steel	201, 304, 316, 416, 301, 303, etc.	Density: 7.9 g/cm³, Tensile Strength: 500-1000 MPa, Corrosion Resistance: High	CNC Milling, Turning, Drilling, Grinding, EDM, Polishing
Steel	Mild Steel, Carbon Steel, 4140, 4340, Q235, Q345B, 20#, 45#, etc.	Density: 7.85 g/cm³, Tensile Strength: 400-800 MPa, Hardness: Medium to High	CNC Milling, Turning, Drilling, Grinding, Heat Treatment, Surface Finishing
Brass	Any standard or non-standard brass	Density: 8.4-8.7 g/cm³, Tensile Strength: 300-500 MPa, Machinability: Excellent	CNC Milling, Turning, Drilling, Tapping, Polishing, Plating
Copper	C11000, C12000, C12200, C10100, etc.	Density: 8.96 g/cm³, Tensile Strength: 200-400 MPa, Conductivity: High	CNC Milling, Turning, Drilling, EDM, Polishing, Annealing
Iron	20#, 45#, Q235, Q345, Q3458, 1214, 12L14, 1215, etc.	Density: 7.87 g/cm³, Tensile Strength: 350-600 MPa, Hardness: Medium	CNC Milling, Turning, Drilling, Grinding, Heat Treatment, Surface Coating
Aluminum	Al6061, Al6063, Al6082, Al7075, Al2024, Al5052, A380	Density: 2.7 g/cm³, Tensile Strength: 100-500 MPa, Machinability: Excellent	CNC Milling, Turning, Drilling, Anodizing, Polishing, Surface Finishing

Key Notes:

• Physical Data: Density, tensile strength, and other properties are approximate and may vary depending on the specific alloy or grade. Corrosion resistance, conductivity, and hardness are also important factors for material selection.
• Workcraft: CNC Milling and Turning are the most common processes for all materials. Additional processes like grinding, EDM, and surface finishing are used for achieving high precision and surface quality. Heat treatment and plating are often applied to enhance material properties and durability.

 

Table 2: Finished Product Normal Data

Material Category	Tolerance (Standard)	Size Range (Typical)	Surface Finishing (Options)	Additional Notes
Stainless Steel	±0.01 mm to ±0.05 mm	1 mm to 500 mm	Polishing, Bead Blasting, Passivation, Electroplating	High corrosion resistance, suitable for medical and aerospace applications.
Steel	±0.02 mm to ±0.1 mm	1 mm to 1000 mm	Powder Coating, Black Oxide, Zinc Plating, Grinding	High strength, often used for automotive and industrial parts.
Brass	±0.01 mm to ±0.03 mm	0.5 mm to 300 mm	Polishing, Plating, Lacquering	Excellent machinability, commonly used for decorative and electrical components.
Copper	±0.01 mm to ±0.05 mm	0.5 mm to 300 mm	Polishing, Electroplating, Anti-Tarnish Coating	High conductivity, ideal for electrical and thermal applications.
Iron	±0.02 mm to ±0.1 mm	1 mm to 1000 mm	Painting, Powder Coating, Black Oxide	Durable and cost-effective, used in construction and machinery.
Aluminum	±0.01 mm to ±0.05 mm	0.5 mm to 500 mm	Anodizing, Sandblasting, Polishing, Powder Coating	Lightweight and corrosion-resistant, widely used in aerospace and electronics.

Key Notes on Finished Product Data:

• Tolerance: Standard tolerances for CNC fine machining typically range from ±0.01 mm to ±0.1 mm, depending on the material and complexity of the part. Tighter tolerances (e.g., ±0.005 mm) can be achieved for critical applications but may increase costs.
• Size Range: CNC machines can handle parts ranging from small components (0.5 mm) to larger parts (up to 1000 mm or more). The size range depends on the CNC machine's capabilities and the material being processed.
• Surface Finishing: Common finishing options include polishing, anodizing, plating, and coating. Finishing improves aesthetics, corrosion resistance, and wear resistance.
• Additional Notes: Material properties (e.g., strength, conductivity, corrosion resistance) influence the choice of finishing and tolerances. Post-processing (e.g., heat treatment, plating) may be required for specific applications.

 

 

Our production

 
The process involves several steps and techniques, including:

Milling: Removing material using rotary cutters to create complex shapes and features.

Turning: Rotating the workpiece while a cutting tool shapes it, typically for cylindrical parts.

Grinding: Achieving ultra-fine tolerances and surface finishes using abrasive wheels.

EDM (Electrical Discharge Machining): Using electrical sparks to shape hard materials or create intricate details.

Swiss Machining: A specialized CNC process for producing small, high-precision parts.

Effective CNC fine machining production management requires a balance of technical expertise, efficient workflows, quality control, and cost management. By focusing on these key points, manufacturers can deliver high-precision parts on time, within budget, and to the highest quality standards.  

  Pre-Production Planning
   - Design Review: Ensure CAD/CAM designs are optimized for manufacturability, considering tolerances, material properties, and machining capabilities.
   - Material Selection: Choose the right material based on the part's application, strength, and machinability.
   - Process Planning: Define the sequence of operations (e.g., milling, turning, grinding) and select appropriate tools and fixtures.
   - Workflow Optimization: Plan the production schedule to minimize downtime and maximize resource utilization.

  2. Machine and Tooling Management
   - Machine Calibration: Regularly calibrate CNC machines to maintain precision and accuracy.
   - Tool Selection: Use high-quality cutting tools suitable for the material and machining process.
   - Tool Maintenance: Monitor tool wear and replace tools promptly to avoid defects and ensure consistent quality.
   - Automation Integration: Implement automation (e.g., robotic loading/unloading) to improve efficiency and reduce human error.

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### 3. Quality Control and Inspection
   - In-Process Inspection: Use precision measuring tools (e.g., CMM, micrometers) to check dimensions and tolerances during production.
   - Final Inspection: Conduct thorough quality checks before shipping, ensuring parts meet design specifications.
   - Documentation: Maintain detailed records of inspections, deviations, and corrective actions for traceability.
   - ISO Standards: Adhere to quality management standards (e.g., ISO 9001) to ensure consistency and reliability.

 4. Workforce Management
   - Skilled Operators: Employ trained and experienced CNC machinists and programmers.
   - Training Programs: Provide ongoing training to keep the workforce updated on new technologies and techniques.
   - Safety Protocols: Ensure compliance with safety standards to protect workers and equipment.

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  5. Production Efficiency
   - Lean Manufacturing: Implement lean principles to reduce waste, optimize workflows, and improve productivity.
   - Batch Production: Group similar parts to minimize setup changes and reduce production time.
   - Real-Time Monitoring: Use CNC software to monitor machine performance and identify bottlenecks.

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  6. Cost Management
   - Material Optimization: Minimize material waste through efficient nesting and cutting strategies.
   - Energy Efficiency: Reduce energy consumption by optimizing machine usage and scheduling.
   - Cost Tracking: Monitor production costs (e.g., labor, materials, tools) to identify areas for cost reduction.

  7. Technology and Innovation
   - Advanced CNC Machines: Invest in high-precision, multi-axis CNC machines for complex parts.
   - CAD/CAM Software: Use advanced software for design, simulation, and toolpath optimization.
   - IoT and Industry 4.0: Implement smart manufacturing technologies for real-time data collection and analysis.

  8. Supply Chain and Inventory Management
   - Raw Material Inventory: Maintain optimal stock levels to avoid delays and overstocking.
   - Supplier Relationships: Partner with reliable suppliers for high-quality materials and tools.
   - Just-in-Time (JIT): Adopt JIT practices to reduce inventory costs and improve cash flow.

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  9. Customer Collaboration
   - Design Feedback: Work closely with customers to refine designs and ensure manufacturability.
   - Prototyping: Provide rapid prototyping services to validate designs before full-scale production.
   - Delivery Timelines: Meet agreed-upon delivery schedules to maintain customer satisfaction.

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 10. Continuous Improvement
   - Process Optimization: Regularly review and improve machining processes to enhance efficiency and quality.
   - Feedback Loops: Collect feedback from customers and employees to identify areas for improvement.
   - Technology Upgrades: Stay updated with the latest CNC machining technologies and trends.





 

Our quality control

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Quality control in CNC fine machining production is crucial to ensure precision, consistency, and defect-free parts.  

1. Pre-Production Checks  
- Material Inspection - Verify material type, hardness, and certification.  
- Machine Calibration - Ensure machine alignment, tool offsets, and spindle runout are within tolerance.  
- Tool Condition - Check tool sharpness, wear, and proper installation.  

2. In-Process Quality Control  
- First Article Inspection (FAI) - Measure the first part to verify program correctness and settings.  
- Dimensional Accuracy - Use precision measuring tools (micrometers, CMM, calipers) to check critical dimensions.  
- Surface Finish & Roughness - Ensure proper finish using profilometers or visual inspection.  
- Tool Wear Monitoring - Regularly check tool life to prevent dimensional deviations.  
- Coolant & Chip Management - Maintain correct coolant levels and ensure proper chip evacuation.  

3. Post-Production Inspection  
- Final Dimensional Inspection - Use Coordinate Measuring Machines (CMM), optical comparators, or other precision tools.  
- Surface & Visual Inspection - Check for burrs, scratches, or any surface defects.  
- Hardness & Material Integrity - Conduct hardness testing, ultrasonic, or X-ray inspections if required.  
- Assembly Fit & Functional Testing - Ensure parts fit properly in assemblies and function as intended.  

4. Documentation & Traceability  
- Inspection Reports - Maintain detailed records of measurements, deviations, and corrective actions.  
- Non-Conformance Management - Identify and document defects with a clear corrective action plan.  
- Process Improvement Feedback - Use inspection data to refine CNC programs and machining processes.  

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Applications of CNC Fine Machining Parts:
CNC fine machining parts are used in industries where precision and reliability are critical. Common applications include:

Aerospace: Components like turbine blades, engine parts, and structural elements.

Medical: Surgical instruments, implants, and diagnostic equipment.

Automotive: Engine components, transmission parts, and custom fittings.

Electronics: Housings, connectors, and heat sinks.

Optics: Lenses, mirrors, and precision mounts.

Defense: Weapon systems, guidance components, and communication devices.

 

The applications

Applications of CNC Fine Machining Parts:
CNC fine machining parts are used in industries where precision and reliability are critical. Common applications include:

Aerospace: Components like turbine blades, engine parts, and structural elements.

Medical: Surgical instruments, implants, and diagnostic equipment.

Automotive: Engine components, transmission parts, and custom fittings.

Electronics: Housings, connectors, and heat sinks.

Optics: Lenses, mirrors, and precision mounts.

Defense: Weapon systems, guidance components, and communication devices.

 

Packaging & Shipping

1. Pre-Packaging Inspection
Verify the parts meet quality standards (dimensional accuracy, surface finish, etc.).
Check for sharp edges or burrs and deburr if necessary.
Clean parts to remove oil, dust, or debris using ultrasonic cleaning, air blasting, or solvent cleaning.
2. Choosing the Right Packaging Material
Soft Wrapping (for delicate parts) - Use foam sheets, bubble wrap, or anti-static wrapping.
Rigid Protection (for heavy-duty parts) - Use molded foam, corrugated dividers, or custom-cut packaging trays.
Corrosion Prevention - Apply rust inhibitors (oil coatings, VCI papers, or desiccant packs for moisture control).
3. Secure Placement in Packaging
Place each part in a dedicated section of a tray or foam insert to prevent movement.
Use separators for multiple parts to avoid friction and impact.
Label each part with identification tags and handling instructions.
4. Outer Packing for Transport
For small and lightweight parts - Use rigid cartons with cushioning material.
For large or heavy parts - Use wooden crates with shock-absorbing padding.
For sensitive parts - Use anti-static bags or vacuum-sealed pouches to prevent contamination.
5. Labeling and Documentation
Attach shipping labels with part numbers, customer details, and handling instructions.
Include inspection certificates and compliance documents.
Provide assembly instructions if required.
6. Choosing the Right Delivery Method
For local or urgent deliveries - Use courier services with fast-tracked shipping.
For international shipping - Use freight carriers that offer temperature and moisture-controlled options.
For oversized or bulk shipments - Use wooden pallets with strapping to secure loads.
7. Final Checks Before Dispatch
Inspect packaging for any damage or weak spots.
Confirm shipping details and tracking numbers.
Ensure the package is handled as per fragility and weight specifications.

Our Advantages

 

   Technical Support
 Our engineers are skilled at AUTO CAD, PROENGINEER, SOLID, SketchUp. 3D max WORKS and other 2D & 3D software. We are able to design, develop, produce and deliver your PO according to your drawings, samples, or just an idea. control of non-standard products and OEM products.

Quality Control

1) Checking the raw material after they reach our factory------- Incoming quality control ( IQC)

2) Checking the details beforethe production line operated

3) Have a full inspection and routing inspection during mass production---In-process quality
control(IPQC)

4) Checking the goods after they are finished---- Final quality control(FQC) 5) Checking the goods after they are finished-----Outgoing quality control(OQC)
 

Company Profile