Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., we transcend mere commitment; we are dedicated to the mastery of manufacturing, elevating it to an art form. Our unparalleled expertise is evident in the creation of elite precision components, crafted to perfection. We are trailblazers in the innovation and production of avant-garde intelligent automation equipment. Our comprehensive solutions cater to a diverse array of industries, including:
- Medical and Biotech: We deliver unparalleled high-precision components and revolutionary solutions that redefine the dynamic landscape of medical devices.
- Semiconductors: We empower the entire chip manufacturing process and its ancillary equipment with vital core components, ensuring unmatched precision and reliability.
- New Energy: We play a crucial role in the efficient, sustainable progression of new energy equipment, championing a greener tomorrow.
- Automotive: We provide essential components that drive forward-thinking innovation in the automotive industry, especially in the realms of intelligent and electric vehicle evolution.
Main Products
- Our specialization lies in crafting non-standard customized components for critical industries such as medical, automation, semiconductor, and automotive, where precision and quality are of the utmost importance.
Why choose us
Core Advantages
- A Fleet of Excellence Our operations boast an impressive collection of over 300 world-renowned branded high-performance machines, ensuring we cover a vast array of equipment categories. This expansive inventory empowers us to expertly address the diverse and complex machining requirements across numerous industries with unmatched precision and remarkable efficiency.
- With a legacy spanning an impressive 20 years, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. brings a wealth of production experience. Our significant technical and process advantages guarantee unparalleled quality and groundbreaking innovation in all our endeavors.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
In-Coming Material Inspection: Setting the Foundation for Quality
Before any raw materials are accepted into our warehouse, they undergo a comprehensive and rigorous examination. This includes a detailed chemical composition analysis and thorough physical property testing. Our unwavering commitment to quality is reflected in our requirement for suppliers to furnish a Certificate of Origin alongside a Declaration of Conformity, complete with the supplier's official seal. This meticulous verification process guarantees the integrity, authenticity, and purity of the materials we employ, ensuring they meet our high standards and contribute to the excellence of our final products.
In-Process Inspection: Vigilance in Production
Throughout the machining journey, each part is subjected to meticulous examination to ensure its dimensions and tolerances are perfectly aligned with specifications. By upholding a vigilant, ongoing inspection routine, we effectively prevent defective parts from moving forward to the next phases. This proactive approach significantly reduces the probability of producing extensive batches of non-conforming goods, continually safeguarding the integrity of our production process and maintaining our commitment to excellence.
First Article Inspection: Pioneering Precision
Our First Article Inspection (FAI) is a cornerstone strategy aimed at identifying potential issues before they have the opportunity to escalate into full-scale production challenges. This foresighted approach prevents unnecessary waste and underscores our commitment to environmental stewardship. Our FAI is a robust and precise process, pivotal in minimizing quality risks and ensuring the consistent upkeep of our exceptional product standards. With FAI, we assure our clients of the reliability and superior quality they expect from Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd.
Final Inspection: The Last Line of Defense
As the concluding step in our quality assurance process, every product undergoes a comprehensive and exhaustive final inspection. This critical evaluation covers dimensions, appearance, functionality, and any unique customer specifications. Our detailed inspection process ensures that each part departing our facility meets our stringent quality standards. By the time our products reach our clients, they are guaranteed to embody the highest quality, reflecting the dedication to excellence that defines Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd.
Packaging & Shipping
Company Profile
Since its inception in 2009, following its founding roots in 2002, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. has been a torchbearer in the realm 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 precision engineering, merging art with science in unparalleled harmony. Our company has amassed a wealth of technical expertise, earning a stellar market reputation, positioning us as a leader and an industry trendsetter.
With four strategically located production bases that serve as the backbone in the bustling hubs of Shenzhen and Guiyang, powered by a dedicated workforce of over 400 skilled employees, Donghui has crafted a robust and vertically integrated industry chain. This chain seamlessly weaves together state-of-the-art research and development, precision-driven production, and timely delivery. We ensure that we meet and exceed the diverse needs of our customers with exceptional efficiency and unmatched quality, carving a niche in the competitive landscape.
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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