홈 - 자료 카테고리 - 알루미늄

알루미늄

높은 가공성과 연성, 우수한 중량 대비 강도 비율.

Aluminum in CNC Machining

Aluminum is one of the most widely used materials in CNC machining because of its excellent machinability, lightweight design, corrosion resistance, and strong strength-to-weight ratio. It can be machined at high speeds while producing accurate features and smooth surface finishes.

Aluminum alloys are suitable for both prototypes and production parts across industries such as aerospace, automotive, electronics, robotics, medical equipment, and consumer products. Different aluminum grades offer varying levels of strength, hardness, machinability, and corrosion resistance, allowing manufacturers to select the right material for each application.

At Elite Mold Tech, aluminum CNC machining supports complex geometries, tight tolerances, and a range of surface finishing requirements.

가격

$$$

리드 타임:

< 10일 미만

벽 두께:

0.75 mm

허용 오차:

±0.125mm(±0.005″)

최대 부품 크기:

200 x 80 x 100 cm

선택 가능한 학년:

6061, 7075, 2024

알루미늄 6061

Aluminum 6061 is one of the most commonly used aluminum alloys for CNC machining. It offers a good balance of strength, machinability, corrosion resistance, and weldability, making it suitable for a wide range of general-purpose and industrial components.

인장 강도, 항복 강도 (MPa) 276

피로 강도 (MPa) 96.5

파단 시 신장률 (%) 12

경도 (브리넬) 95

밀도 (g/cm³) 2.70

알루미늄 7075

Aluminum 7075 is a high-strength aluminum alloy commonly used when strength-to-weight performance is critical. It provides higher strength than 6061 and is widely used for aerospace, automotive, tooling, and high-performance components.

인장 강도, 항복 강도 (MPa) 503

피로 강도 (MPa) 159

파단 시 신장률 (%) 11

경도 (브리넬) 150

밀도 (g/cm³) 2.81

Aluminum 2024

Aluminum 2024 is a high-strength aluminum alloy known for its excellent fatigue resistance and strength-to-weight ratio. It is commonly selected for aerospace and other applications where high mechanical performance and lightweight construction are required.

인장 강도, 항복 강도 (MPa) 324

피로 강도 (MPa) 138

파단 시 신장률 (%) 19

경도 (브리넬) 75

밀도 (g/cm³) 2.78

Surface Finishing Options for Aluminum

Aluminum CNC machined parts can undergo different surface finishing processes to improve appearance, corrosion resistance, wear resistance, and overall performance.

가공됨
비드 블라스팅
Anodizing Type II & III
파우더 코팅
브러시 마감
연마
전기 연마
페인팅
텀블링

Pros and Cons of Aluminum CNC Machining

Aluminum machining offers an excellent combination of lightweight construction, strength, machinability, and corrosion resistance. However, the right aluminum alloy and finishing process should be selected according to the requirements of the application.

Excellent Machinability: Aluminum is easy to machine at high cutting speeds, helping reduce machining time and production costs.
Lightweight: Its low density makes aluminum ideal for applications where weight reduction is important.
Good Strength-to-Weight Ratio: Aluminum alloys such as 6061 and 7075 provide strong mechanical performance while remaining lightweight.
Corrosion Resistance: Aluminum naturally forms a protective oxide layer that provides resistance to corrosion.
Versatility: Different aluminum grades and finishing options make the material suitable for a wide range of industries and applications.

Lower Hardness: Aluminum is generally softer than steel, which can make it less suitable for applications requiring extreme wear resistance.
Thermal Expansion: Aluminum expands and contracts more with temperature changes than many other engineering metals.
Surface Damage: Uncoated aluminum surfaces can be more susceptible to scratches, dents, and cosmetic damage.