Machining CNC 7075 Aluminum Parts
Compared to traditional machining methods, ultrasonic vibration-assisted cutting technology can reduce cutting forces on 7075 by 40% and improve surface roughness to Ra0.2. In satellite structural component manufacturing, this process combination enables thin-walled components to achieve a thickness tolerance of ±0.05mm.
Description
7075 aluminum alloy exhibits unique processing characteristics in CNC machining. Its high zinc content (5.1-6.1%) easily produces long chips during cutting, requiring specialized chip breaking solutions. Using specialized aluminum alloy tools with a 10° rake angle and a spindle speed exceeding 8000 rpm achieves optimal surface quality. When machined in the T651 state, this material exhibits aging deformation within 0.01 mm/100 mm, making it particularly suitable for machining precision instrument bases.
Precision CNC machining


CNC manufactured parts
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Materials |
Aluminum: AL6061-T6, AL6063-T6, AL7075-T6 etc |
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Stainless Steel: 303, 304, 316L, 420, 430, 17-4PH, 18-8PH etc |
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Steel: 1215, Q235, Q345B, 20#, 45# etc. |
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Titanium: TA1, TA2/GR2, TA4/GR5, TC18 etc. |
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Brass: C36000(HPb62),C37700(HPb59),C22000(H90),etc. |
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Copper: Bronze, BeCu(beryllium copper), Phosphor Bronze |
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Plastic: Derlin, POM, Acrylic, PC, ABS, PP etc. |
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Surface Treatment |
Polishing, Anodizing, Black Oxided, Passivation, Electroplating(Nickel/Zinc/Gold). |
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Processing |
CNC Turning, Milling, Drilling, Auto Lathe, Tapping, Bushing, Surface Treatment, etc. |
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High-speed CNC machining of metal parts
This material exhibits significant anisotropy, with cutting forces varying by 15-20% between the transverse and longitudinal directions, requiring targeted tool path optimization. 7075 parts for aviation use utilize a "roughing-aging-finishing" process to effectively control residual stresses. The fatigue life of the machined fighter wing spar joints exceeds 10^7 cycles, meeting the requirements of the military standard MIL-A-22771.
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Surface Treatment



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about Us
As a professional CNC machining supplier for international trade, we are committed to providing cost-effective precision parts manufacturing services to customers worldwide. Leveraging advanced processing equipment and strict production management, we can handle orders ranging from small-batch trials to large-volume production, ensuring fast delivery and consistent quality.
Service Highlights:
Customized Manufacturing: Precision machining based on customer drawings or samples, supporting a variety of complex structural designs.
Surface finishing techniques such as electrophoresis, laser engraving, and PVD coating meet the needs of diverse industries.
Full-process quality control: From incoming raw materials to shipping finished products, we implement a multi-level inspection process to ensure zero-defect delivery.
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