Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., our commitment transcends ordinary duty; it is fueled by a passionate enthusiasm for the exquisite artistry and exacting science of precision manufacturing. Our expert knowledge acts as a beacon of precision, casting a radiant glow in the realm of high-end component fabrication. We stand at the cutting edge of innovation, spearheading the design and production of groundbreaking intelligent automation solutions. Our transformative technologies cater to a vast spectrum of industries, providing comprehensive applications that include:
- Medical and Biotech: Offering meticulously engineered high-precision components and groundbreaking solutions for state-of-the-art medical devices, ensuring the epitome of quality standards.
- Semiconductors: Enhancing chip production and its supporting equipment by delivering crucial core components, indispensable to the industry's progression.
- New Energy: Fostering dynamic and sustainable growth within the innovative energy sector, championing eco-friendly advancements in pioneering energy equipment.
- Automotive: Supplying pivotal components that fuel innovation across the automotive industry, driving the evolution of both intelligent and electric vehicles.
Main Products
- We provide highly-specialized, custom non-standard components, extensively utilized across the medical, automation, semiconductor, and automotive industries, guaranteeing unmatched precision and excellence.
Why choose us
Core Advantages
- A Fleet of Excellence Our operations proudly showcase an extraordinary assortment of over 300 renowned machines, enabling us to masterfully address a comprehensive spectrum of equipment categories. This capability empowers us to skillfully fulfill the intricate machining needs of diverse industries with unparalleled precision and efficiency.
- With a rich history spanning two decades, we leverage vast production experience combined with substantial technical and process prowess, guaranteeing exceptional quality and forward-thinking innovation.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Meticulous Inspection of Incoming Materials
Every raw material entering our warehouse is not merely assessed; it undergoes a comprehensive and rigorous evaluation. We meticulously scrutinize the chemical composition and conduct an extensive inspection of the physical properties. Our unwavering commitment to excellence demands that all suppliers provide a Certificate of Origin along with a stamped Declaration of Conformity. This ensures that only top-quality materials are selected for our high-precision medical machining services. Our rigorous authentication process guarantees these materials uphold the highest standards of integrity and purity, exemplifying our steadfast dedication to unparalleled quality.
Stringent In-Process Quality Control
Throughout the intricate and precision-driven machining process, each component is meticulously examined to ensure its dimensions and tolerances not only meet but surpass our stringent specifications. Our diligent and continuous inspection protocol is crafted to proactively detect defects, preventing non-conforming parts from advancing to further stages. This vigilant approach is crucial in minimizing the risk of producing substandard goods, assuring superior quality at every step of production, and maintaining excellence throughout the entire process.
Proactive First Article Inspection (FAI)
Our First Article Inspection (FAI) is a cornerstone strategy, essential for identifying and addressing potential production challenges at an early phase. This proactive approach prevents issues from escalating into mass production. The thorough and precise nature of our FAI process is vital in minimizing quality risks, ensuring our products consistently achieve the highest standards. Our unwavering dedication to excellence is evident in every facet of the production cycle, providing confidence that we meet and exceed the strictest quality standards.
Thorough and Comprehensive Final Inspection
Before any product leaves our facility, it undergoes a meticulous and exhaustive final inspection. This process thoroughly evaluates dimensions, visual appearance, and performance, along with any customer-specific requirements. Our comprehensive inspection is a testament to our relentless commitment to quality, ensuring that every part dispatched from our facility meets our stringent standards. We are committed to delivering only the highest quality products to our esteemed customers, reinforcing our reputation for excellence and reliability.
Packaging & Shipping
Company Profile
Since its inception in 2009, following its founding roots in 2002, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. has 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 precision engineering. We boast an extensive reservoir of technical expertise, consistently earning a sterling market reputation that distinguishes us as a leader in the field. Our precision medical machining services are unrivaled, consistently achieving tight tolerances and impeccable surface finishes, solidifying our position as the preferred choice in the medical sector.
With four strategically located production bases in the thriving centers of Shenzhen and Guiyang, supported by a dedicated team of over 400 exceptionally skilled employees, Donghui has mastered a robust and vertically integrated industry chain. This seamless integration of research and development, production, and delivery ensures that we meet and surpass the diverse needs of our customers with unparalleled efficiency and quality. Our cutting-edge facilities are equipped to undertake the most intricate and challenging machining tasks, maintaining our esteemed reputation for excellence and innovation.
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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