CNC Machining Materials and Corresponding Processes
1. Metallic Materials for CNC Precision Machining and Their Applications
Comprehensive comparison of DT CNC materials (including 알류미늄, 스테인레스 스틸, 놋쇠, Steel, and 티타늄 합금), specifications, accuracy, and application areas across different manufacturing processes
| Process | 5-축 CNC |
| Equipment Designation | 5-Axis Machining Center |
| Common Materials |
|
| 명세서 | Various sizes of plates, round bars |
| 일반적인 후처리 | Spray painting, powder coating, 패시베이션, oxidation, 흑화, electrophoretic coating, silk screening, 레이저 조각, 세련 |
| 공차 범위 | ±0.01mm and higher precision requirements |
| 장점 | Multi-surface structures can be formed in one setup, high precision |
| Disadvantages | Limited workpiece size, slower processing speed, light cutting only |
| Primary Applications | Prototyping, 자동차, 의료, consumer electronics, 장난감, 기계 장비, 항공우주 |
| Max. Workpiece Dimensions | 4000×400×150mm |
| Process | 3-축 CNC |
| Equipment Designation | CNC Machining Center |
| Common Materials |
|
| 명세서 | Various sizes of plates, round bars |
| 일반적인 후처리 | Spray painting, powder coating, 패시베이션, oxidation, 흑화, electrophoretic coating, silk screening, 레이저 조각, 세련 |
| 공차 범위 | ±0.01mm and higher precision requirements |
| 장점 | Fast efficiency, capable of heavy cutting, simple operation, high precision, excellent surface finish |
| Disadvantages | – |
| Primary Applications | Prototyping, 자동차, 의료, consumer electronics, 장난감, 기계 장비, 항공우주 |
| Max. Workpiece Dimensions | 1500×800×300mm |
| Process | Lathe |
| Equipment Designation | CNC Lathe |
| Common Materials |
|
| 명세서 | Various sizes of plates, round bars |
| 일반적인 후처리 | Spray painting, powder coating, 패시베이션, oxidation, 흑화, electrophoretic coating, silk screening, 레이저 조각, 세련 |
| 공차 범위 | ±0.01mm and higher precision requirements |
| 장점 | 높은 정밀도, excellent surface finish, high efficiency |
| Disadvantages | – |
| Primary Applications | Prototyping, 자동차, 의료, consumer electronics, 장난감, 기계 장비, 항공우주 |
| Max. Workpiece Dimensions | Ø500mm |
| Process | Sheet Metal |
| Equipment Designation | 판금 제조 |
| Common Materials |
|
| 명세서 | Various sizes of metal sheets |
| 일반적인 후처리 | Spray painting, powder coating, 패시베이션, oxidation, 흑화, electrophoretic coating, silk screening, 레이저 조각, 세련 |
| 공차 범위 | ±0.1mm and higher precision requirements |
| 장점 | Simple process |
| Disadvantages | Lower precision |
| Primary Applications | Prototyping, 자동차, 의료, consumer electronics, 장난감, 기계 장비, 항공우주 |
| Max. Workpiece Dimensions | 1500×1000mm |
| Common Materials | Process | 명세서 | 일반적인 후처리 | 공차 범위 | 장점 | Disadvantages | Primary Applications | Max. Workpiece Dimensions |
|---|---|---|---|---|---|---|---|---|
| 5-축 CNC | Various sizes of plates, round bars | Spray painting, powder coating, 패시베이션, oxidation, 흑화, electrophoretic coating, silk screening, 레이저 조각, 세련 | ±0.01mm and higher precision requirements | Multi-surface structures can be formed in one setup, high precision | Limited workpiece size, slower processing speed, light cutting only | Prototyping, 자동차, 의료, consumer electronics, 장난감, 기계 장비, 항공우주 | 4000×400×150mm |
| 3-축 CNC | Fast efficiency, capable of heavy cutting, simple operation, high precision, excellent surface finish | – | 1500×800×300mm | |||||
| Lathe | 높은 정밀도, excellent surface finish, high efficiency | – | Ø500mm | |||||
| Sheet Metal | Various sizes of metal sheets | ±0.1mm and higher precision requirements | Simple process | Lower precision | 1500×1000mm |
2. Plastic Materials for CNC Precision Machining and Their Applications
| Material | Description / Key Properties | Application Scenarios | Typical Use Cases |
|---|---|---|---|
| ABS | Acrylonitrile Butadiene Styrene copolymer. Offers good rigidity, toughness, and vibration damping. 비용 효율적, but has limited temperature resistance and UV stability. | Electronic enclosures, household appliances, automotive components, prototyping | Robot housing prototypes, door hinge prototypes, consumer electronics housings |
| 아크릴 (PMMA) | Polymethyl methacrylate. High transparency and good weatherability. Prone to scratching and relatively brittle. | Optical lenses, display stands, light fixtures, medical devices | Automotive light covers, advertising light boxes, surgical instrument housings, translucent decorative panels |
| 델린 (포엠) | Polyoxymethylene. High strength, low friction, excellent wear resistance, and dimensional stability. Poor resistance to strong acids. | Gears, bearings, automotive parts, electronic components | Door lock systems, fuel system components, industrial gears, medical inhalers |
| 나일론 (아빠) | Polyamide. Good wear resistance, high toughness, and chemical resistance. Hygroscopic (absorbs moisture). | Mechanical parts, gaskets, automotive components, industrial gears | Valve cover caps, transmission gears, wear-resistant spacers |
| pp | Polypropylene. Excellent chemical resistance, high fatigue strength, and lightweight. Low rigidity. | Chemical containers, furniture, automotive interiors, medical devices | Automotive components (e.g., Ford cases), food containers, medical trays |
| HDPEK | High-Density Polyethylene. Impact-resistant, moisture-resistant, easy to process. Low stiffness. | Pipes, storage containers, outdoor furniture, 장난감 | Conveyor system guides, chemical storage tanks, marine buoys |
| 체육 | Polyethylene (includes HDPE and LDPE). Good chemical resistance and electrical insulation. Low strength. | Packaging, insulating parts, low-load structural components | Packaging containers, insulating housings, simple structural parts |
| PC | Polycarbonate. High impact resistance, transparency, and heat resistance. Susceptible to stress cracking. | Automotive light covers, electronic screens, safety shields, optical components | Headlamp lenses, bullet-resistant glass, electronic device housings |
| PEI (궁극적인) | Polyetherimide. High temperature resistance, high strength, flame retardant. 더 높은 비용. | 항공우주, medical sterilization equipment, electronic insulation components | High-temperature gears, aerospace components, medical tool housings |
| 몰래 엿보다 | Polyether Ether Ketone. Excellent high-temperature performance, wear resistance, and chemical inertness. Challenging to machine. | 항공우주, medical implants, high-performance mechanical parts | Sensor mounting blocks, compressor valve plates, artificial joints |
| 포엠 | Polyoxymethylene (similar to Delrin). Low friction and high rigidity. Often used for precision components. | Precision gears, bearings, automotive accessories | Industrial gears, sliding elements, mechanical components |
Note: The information above is for your reference. Material selection should be further evaluated according to specific engineering requirements (e.g., load, environment, 비용).