Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., we transcend mere commitment; we are fervently devoted to the intricate artistry of manufacturing, ensuring excellence at every stage. Our unparalleled expertise is illuminated in the crafting of high-end precision components, setting benchmarks in quality and innovation. We also spearhead the development and production of state-of-the-art intelligent automation equipment, offering comprehensive solutions that span an extensive array of industries, including:
- Medical and Biotech: Delivering unmatched high-precision components and pioneering solutions tailored for the dynamically evolving world of medical devices.
- Semiconductors: Empowering the chip manufacturing domain and its associated equipment with essential core components, ensuring unparalleled precision and steadfast reliability.
- New Energy: Contributing significantly to the efficient and sustainable progress of new energy equipment, leading the charge towards a more sustainable and greener future.
- Automotive: Providing essential components that drive innovation in the automotive industry, especially in the realms of intelligent and electric vehicle advancements.
Main Products
- We are specialists in non-standard customized components, extensively serving the medical, automation, semiconductor, and automotive sectors, where precision and excellence are of utmost importance.
Why choose us
Core Advantages
- A Fleet of Excellence Our operations boast an impressive collection of over 300 branded machines, ensuring we cover a vast array of equipment categories. This expansive assortment empowers us to adeptly fulfill the diverse and intricate machining requirements across numerous industries, delivering precision and efficiency at every turn.
- Boasting a 20-year legacy, we bring an immense wealth of production experience. Coupled with superior technical and process advantages, we guarantee top-tier quality and groundbreaking innovation.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
In-coming Material Inspection
Before the raw materials make their way into our warehouse, they must first pass through an intensive verification process that includes a detailed chemical composition analysis and a stringent physical property test. Our unwavering commitment to high-quality standards necessitates that suppliers accompany their materials with a Certificate of Origin and a Declaration of Conformity, both adorned with their official seal. This diligent scrutiny safeguards the integrity and purity of every material we utilize, setting a firm foundation for excellence.
In-Process Inspection
Throughout the machining process, each component is put under the microscope to ensure that its dimensions and tolerances align precisely with the specified requirements. By implementing a continuous, vigilant inspection routine, we proactively intercept and address any discrepancies, thereby mitigating the likelihood of non-conformities advancing through the production line. This proactive approach is pivotal in minimizing the risk of generating large volumes of non-compliant products.
First Article Inspection
Our First Article Inspection (FAI) is a proactive measure strategically crafted to unveil any potential issues before they proliferate into large-scale production, thereby averting unnecessary waste. This robust, highly precise FAI process is indispensable in minimizing quality risks and is a cornerstone in our commitment to upholding superior product standards consistently.
Final Inspection
Prior to the departure of any product from our facility, it undergoes an exhaustive final inspection. This meticulous examination scrutinizes every aspect-dimensions, aesthetics, functionality, and custom client specifications-to ensure absolute adherence to our stringent standards. This comprehensive inspection protocol guarantees that every component sent to our valued clients embodies the pinnacle of quality, ensuring only the finest products reach their hands.
Packaging & Shipping
Company Profile
Since its inception in 2009, following its founding roots in 2002, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. has seamlessly dedicated itself to the art and science of high-precision basic component machining. With an unwavering commitment to innovation over the past two decades, we have delved deep into technical research, establishing ourselves as pioneers in the realm of precision engineering. We have amassed a wealth of technical expertise over the years, earning a stellar market reputation that distinctly sets us apart as an undisputed leader in the industry.
With four strategically located production bases, our facilities are nestled in the bustling hubs of Shenzhen and Guiyang, powered by a dedicated workforce of over 400 highly skilled employees. Donghui has crafted a robust and vertically integrated industry chain that seamlessly weaves together research and development, state-of-the-art production, and efficient delivery processes. This ensures that we meet and exceed the diverse needs of our valued customers with exceptional efficiency and unmatched quality.
Workshop Display
Certifications
FAQ
1. What is CNC machining?
CNC (Computer Numerical Control) machining is a manufacturing process where pre-programmed computer software controls the movement of machinery and tools. It's used for a wide range of materials, including metal, plastic, and wood.
2. What materials can be used in CNC machining?
CNC machines can handle a variety of materials such as:
- Metals (aluminum, steel, titanium, brass, copper)
- Plastics (ABS, POM, nylon, acrylic)
- Wood and composite materials
- Ceramics and more.
3. What is the difference between CNC milling and CNC turning?
- CNC Milling: Involves rotating the cutting tool and moving it along multiple axes to remove material from a workpiece.
- CNC Turning: Involves rotating the workpiece and using a stationary cutting tool to remove material, mainly for cylindrical parts.
4. How do I choose the right CNC machining service?
Factors to consider include:
- Material requirements
- Tolerance and precision
- Production volume
- Lead time
- Cost-effectiveness
5. What is the typical lead time for CNC machining?
Lead times depend on the complexity of the part, the material, the required finish, and the production volume. Typically, CNC machining can take anywhere from a few days to a couple of weeks for a prototype or small batch, but larger orders may take longer. Normally 7 days for prototyping and 20 days for mass production shipment.
6. What is the maximum size of a part that can be CNC machined?
The size limitations depend on the specific CNC machine being used. Large-scale machines can accommodate parts up to several meters in length, while smaller machines are typically limited to parts around 1000mm in length or less.
7. What is the accuracy and tolerance of CNC machining?
CNC machining offers high precision, with tolerances typically ranging from ±0.01mm to ±0.1mm. However, the exact tolerance will depend on the machine and the material used.
8. How much does CNC machining cost?
CNC machining costs vary based on factors such as:
- Material choice
- Part complexity
- Machine time
- Labor costs
- Quantity (prototypes vs. mass production)
9. What types of finishes can be applied to CNC machined parts?
Common finishes include:
- Anodizing
- Powder coating
- Polishing
- Painting
- Bead blasting
- Electroplating
10. Can CNC machining be used for prototyping?
Yes, CNC machining is widely used for prototyping because it allows for the quick production of precise parts. It's ideal for low-to-medium volume production runs and allows engineers to test designs and make adjustments before mass production.
11. What are some common applications of CNC machining?
CNC machining is used across various industries, including:
- Aerospace and aviation
- Automotive
- Medical devices
- Consumer electronics
- Industrial machinery
12. What are the common challenges in CNC machining?
- Tool wear: As tools wear out, they affect the quality of the parts being machined.
- Material properties: Different materials behave differently during machining, requiring adjustments to the process.
- Programming complexity: Complex designs may need advanced programming skills and specialized machines.
13. How can I ensure the quality of CNC machined parts?
Quality can be ensured through:
- First Article Inspections (FAI)
- In-process inspections
- Final inspections
- Use of quality control tools like CMM (Coordinate Measuring Machine)
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