PMMA (Acrylic) CNC Machining Service
Get precision PMMA (Acrylic) CNC machined parts with outstanding optical clarity, dimensional accuracy, and surface quality. Our CNC machining capabilities produce detailed prototypes and production components with complex geometries, tight tolerances, and smooth finishes. PMMA is an excellent choice for transparent covers, display components, optical parts, enclosures, and other applications where appearance and precision are essential.
PMMA (Acrylic) in CNC Machining
PMMA (Polymethyl Methacrylate), commonly known as 아크릴, is a lightweight engineering thermoplastic valued for its exceptional optical clarity, dimensional stability, and attractive surface finish. It machines cleanly and can be shaped into detailed components with accurate features and polished surfaces. PMMA is an excellent choice for transparent housings, display components, protective covers, light guides, optical parts, and precision prototypes where both appearance and functionality are important.
| Available PMMA Grades | PMMA Black, PMMA Transparent, PMMA White |
| 가격 | $ |
| 리드 타임 | 10일 미만 |
| 벽 두께 | 0.75 mm |
| 허용 오차 | ±0.125 mm (±0.005 in) |
| 최대 부품 크기 | 200 x 80 x 100 cm |
PMMA CNC Machining Materials
Machined Acrylic (PMMA) Properties
PMMA (Acrylic) is a transparent engineering thermoplastic known for its excellent optical clarity, weather resistance, and smooth surface finish. Its balanced properties make it suitable for CNC machined parts that require both visual appeal and reliable performance.
일반 CNC 가공 공차
| 설명 | 일반 허용 오차 또는 표준 |
|---|---|
| 일반 치수 공차 | ±0.005″ (±0.127 mm) for metals; ±0.010″ (±0.254 mm) for plastics in line with ISO 2768-mK unless otherwise specified |
| 엄격한 허용 오차 | Down to ±0.001″ (±0.025 mm) available upon request, with detailed 2D drawings and GD&T specifications |
| 최소 피처 크기 | ~0.020″ (0.50 mm), depends on part geometry, tool diameter, and material |
| 구멍 직경 공차 | ±0.002″ (±0.05 mm) typical; tighter tolerances with boring or reaming |
| 평탄도/평행도 | ≤0.002″ per 6″ (≤0.05 mm per 150 mm), varies by material and fixture setup |
| 스레드 공차 | ISO/ASME에 따른 표준 미터법 및 영국식 나사산, 요청 시 맞춤형 또는 미세 나사산 제공 |
| 각도 허용 오차 | 통상 ±0.5° |
| 에지 조건 | 별도의 언급이 없는 한 날카로운 모서리는 기본적으로 파손되고 디버링됩니다. |
| 표면 마감(표준) | Ra 3.2μm(125μin) 가공, 폴리싱, 비드 블라스팅, 아노다이징 등을 통해 향상된 마감 처리 가능. |
| 최대 부품 크기 | Milling: Up to 80″ × 48″ × 24″ (2,032 × 1,219 × 610 mm) Turning: Up to 62″ length × 32″ diameter (1,575 × 813 mm) |
Advantages and Limitations of PMMA (Acrylic) CNC Machining
황동 가공은 여러 가지 장점을 지니고 있어 다양한 산업 분야에서 널리 활용되고 있습니다. 그러나 특정 용도에 적합한 소재인지 판단하기 위해서는 장점과 한계를 모두 고려하는 것이 중요합니다.
- Exceptional Machinability: Brass is highly machinable, allowing for precise and efficient machining.
- 내식성: It offers high resistance to corrosion, making it suitable for harsh environments.
- Aesthetic Appeal: Its appearance is attractive and ideal for decorative and aesthetic applications.
- Good Conductivity: Brass has excellent thermal and electrical conductivity.
- Versatility: Brass can also be used in various industries, from electronics to plumbing.
- Higher Material Cost: Brass can be more expensive compared to some other metals.
- Potential for Dezincification: In certain environments, brass can suffer from loss of zinc, leading to weakened material.
엘리트 몰드 기술로 디자인에 생명력 불어넣기
엘리트 몰드 테크의 정밀 CNC 가공을 경험해 보세요. 복잡한 프로토타입부터 대규모 생산까지, 당사는 고객의 아이디어를 현실화할 준비가 되어 있습니다. 지금 바로 문의하여 프로젝트에 필요한 사항을 논의하세요!
- 광범위하게 공유되는 전문성
- 시장 도달 범위 확대
- 고급 기술 통합
- 협업 혁신 기회
- 신뢰할 수 있는 온디맨드 솔루션
- 모든 업로드는 안전하고 기밀이 유지됩니다.
PMMA (Acrylic) CNC Machining FAQs
What speed is optimal for CNC machining acrylic?
The ideal CNC machining speed for acrylic depends on the part design, thickness, tooling, and required finish. Using higher spindle speeds with proper feed rates helps achieve smooth cuts while reducing the risk of cracking, melting, or chipping.
Which CNC tool is most effective for cutting acrylic?
Carbide and diamond-coated cutting tools are commonly used for acrylic CNC machining. These tools provide clean cuts, improve surface quality, and help reduce chipping during the machining process.
Is PMMA (Polymethyl Methacrylate) durable?
Yes, PMMA offers good durability along with excellent UV and weather resistance. It is suitable for indoor and outdoor applications where long-term clarity and stable performance are required.
Are CNC routers capable of cutting acrylic?
Yes, CNC routers can effectively machine acrylic when the correct tools and machining parameters are used. Proper cutting speed, feed rate, and tooling selection help achieve accurate parts with smooth finishes.