Core Advantages and Technical Characteristics of CNC Machining of Aluminum Blocks
1. The most significant advantage of CNC machining of aluminum blocks lies in their exceptional geometric accuracy and dimensional stability.
Using a high-precision CNC milling center, the six right-angle machining of the block can achieve perpendicularity and parallelism control within 0.01mm/100mm, and flatness ≤0.005mm/100mm. In the machining of precision instrument bases, this level of accuracy ensures the reliability of the measurement benchmark, providing a solid foundation for subsequent precision assembly.
2. The high consistency of mass production is particularly outstanding.
In the mass production of electronic device housing bases, the dimensional dispersion of 10,000 aluminum blocks does not exceed 0.01mm, the mounting hole position accuracy is ±0.02mm, and the CPK value is consistently maintained above 1.67.

Trustworthy CNC machining of 6061 aluminum blocks turning part custom parts
1. CNC machining technology has transformed aluminum blocks from simple hexahedrons into multifunctional integrated substrates.
1. Precision forming of multi-step structures: Multiple precision steps of varying heights can be machined from a single aluminum block, with a step height tolerance of ±0.01mm and a relative positional accuracy between steps of 0.015mm.
2. Precision machining of micro-hole systems: Demonstrating technological prowess.
Using micro-drills and reamers, precision hole systems with diameters ranging from 0.3-12mm can be machined, with a hole diameter tolerance of H7 (+0.01/0mm), hole positional accuracy of ±0.01mm, and hole wall roughness Ra1.6μm. The precise machining of the internal intersecting hole system in the aluminum alloy substrate of the hydraulic valve block directly determines the valve's flow characteristics and sealing performance.

3. Precise realization of complex three-dimensional surfaces: Through multi-axis simultaneous milling, complex features such as three-dimensional curved surfaces, inclined surfaces, and grooves can be machined on aluminum blocks, with a surface contour error ≤0.02mm. The aluminum alloy base for optical adjustment frames, with its V-groove and arc-shaped guide rails, is machined in a single process, providing a stable platform for the precision adjustment of optical components.
4. Synergistic optimization of heat treatment and machining.
After rough machining, a 0.2-0.3mm allowance is reserved for finishing. Precision machining is performed after heat treatment, eliminating the effects of heat treatment deformation and ensuring final dimensional accuracy. For aluminum plates used in precision tooling fixtures, the flatness deformation is controlled within 0.02mm after heat treatment and restored to 0.005mm after finishing.
5. Precise control of surface integrity.
A surface roughness of Ra 0.4-1.6μm is obtained through finishing, while simultaneously forming a beneficial residual compressive stress field. For aluminum alloy parts used in fatigue conditions, the surface compressive stress layer depth is controlled within 0.05-0.1mm, increasing fatigue life by 2-3 times.
CNC machining technology is comprehensively redefining the manufacturing standards and application value of aluminum alloy blocks. From precision instruments to new energy equipment, CNC-machined aluminum blocks, with their superior dimensional accuracy, complex structural implementation, excellent material properties, and reliable service performance, have become indispensable core components in modern high-end equipment.
With the continuous development of intelligent manufacturing and micro-nano fabrication technologies, CNC-machined aluminum blocks will continue to evolve towards higher precision, more complex functions, superior performance, and greener manufacturing. This comprehensive process technology, integrating precision engineering, materials science, and digital manufacturing, not only meets the stringent requirements of current high-end equipment for precision components but also provides key technological support for breakthroughs in next-generation cutting-edge equipment, playing an increasingly important fundamental role in China's manufacturing industry's ascent to the high end of the global value chain.
We are a manufacturer integrating industry and trade. We have more than 20 years of experience in production technology. We are located in Dongguan City, Guangdong Province, China. We have advanced high-end professional production and processing technology, and are committed to innovative R&D and production. After years of market tempering and exploration, it has high-quality technical management personnel, experienced designers, R&D personnel and a perfect company management system cnc precision.
5-axis CNC workshop
Our factory has a plant area of about 2,000 square meters and masters core processing technologies. It has high-end precision production equipment cnc precision: CNC lathes, 5-axis CNC, 4-axis CNC, stamping equipment, die-casting equipment, etc. 2.5-dimensional detection equipment 

cnc precision surface treatment
For surface treatment, our suppliers have been working with us for many years. They have rich experience and are familiar with all the quality requirements of each other. The quality is stable and more guaranteed. Such as: heat treatment, spray painting, powder coating, blackening, silver/gold plating, electrolytic polishing, nitriding, phosphating, nickel/zinc/chromium/TiCN plating, anodizing, polishing, passivation, sandblasting, galvanizing, heat treatment , hardening, laser marking, etc. according to customer requirements. Aluminum alloy surface oxidation
Packaging Details

Q1: Where can I get product & price information?
A1: Send us an inquiry e-mail, we will contact you once we received your mail.
Q2: How long will I get the sample?
A2: Depends on your specific items, within 3-7 days generally.
Q3: What kinds of information do you need for a quote?
A3: Kindly please provide the product drawings in PDF, if provide in STEP or IGS will be better.
Q4: What are the payment terms?
A4: We accept 50% as a payment deposit, when the goods are prepared, we shoot photos or videos for your check, and then you can pay the balance. For small quantities, we accept Paypal, the commission will be added to the order. For big amounts, T/T is preferred.
Q5: How to deliver the goods?
A5: We deliver the products by courier company.
Q6: Are you a trading company or factory?
A6: We are factory direct with 17 experienced engineers and more than 50 employees as well approximate 3,000m2 workshop area.
Q7: What shall we do if we don't have drawings?
A7: Please send your sample to our factory, then we can copy and provide you better solutions. If send us pictures or drafts with dimensions(Length, Height, Width), CAD or 3D file will be made for you.
Q8: Can we get some samples before mass production?
A8: Absolutely yes.
Q9: Will my drawings be safe after sending them to you?
Q10: Is it possible to know the operation status of my products without visiting your company?
A10: We will offer a detailed production schedule and send weekly reports with digital pictures and videos which show the machining progress.