Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., we are not just committed; we are passionate about the art of manufacturing. Our expertise shines in crafting high-end precision components, along with pioneering the development and production of cutting-edge intelligent automation equipment. Our solutions span a broad spectrum of industries, including:
- Medical and Biotech: Delivering unmatched high-precision components and groundbreaking solutions for the ever-evolving world of medical devices.
- Semiconductors: Empowering chip manufacturing and its related equipment with essential core components, ensuring precision and reliability.
- New Energy: Playing a pivotal role in the efficient, sustainable advancement of new energy equipment, paving the way for a greener future.
- Automotive: Supplying indispensable components that fuel innovation in the automotive sector, particularly in intelligent and electric vehicle evolution.
Main Products
- We specialize in non-standard customized components, catering extensively to the medical, automation, semiconductor, and automotive industries, where precision and quality are paramount.
Why choose us
Core Advantages
- A Fleet of Excellence Our operations proudly showcase an awe-inspiring assembly of over 300 world-renowned branded machines, ensuring we comprehensively cover a wide spectrum of equipment categories. This unparalleled collection empowers us to expertly cater to the intricate machining needs across a multitude of industries with unmatched precision and streamlined efficiency.
- With a rich legacy of two decades, we bring an extensive reservoir of production expertise, combined with groundbreaking technical and process advantages that guarantee superior quality and drive innovation.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
In-Coming Material Inspection
Before any raw materials are accepted into our warehouse, they undergo a rigorous process of chemical composition analysis and physical property testing. Our unwavering commitment to quality demands that suppliers furnish a Certificate of Origin for the materials, further accredited by a Declaration of Conformity, complete with their official seal. This meticulous and thorough verification process is designed to ensure the utmost integrity and purity of the materials we use, laying a solid foundation for our exceptional end products.
In-Process Inspection
Throughout the machining process, each component is subject to an exacting examination to confirm that its size and tolerances align perfectly with precise specifications. By maintaining a vigilant and continuous inspection protocol, we effectively preempt the advancement of defective parts to subsequent manufacturing stages, thereby significantly reducing the risk of producing large quantities of non-conforming goods. This proactive approach embodies our dedication to excellence at every step.
First Article Inspection
Our First Article Inspection (FAI) stands as a strategic initiative crafted to uncover potential issues before they can escalate to mass production, effectively averting unnecessary waste. This robust and meticulously precise FAI process plays a pivotal role in mitigating quality risks, ensuring that our superior product standards are consistently maintained. It is a crucial element in our commitment to delivering excellence.
Final Inspection
Before any product departs from our facility, it undergoes an exhaustive final inspection, meticulously scrutinizing dimensions, appearance, functionality, and any bespoke customer specifications. This comprehensive inspection process ensures that each component dispatched to our clients adheres to our exacting standards, guaranteeing that only the highest quality products reach our valued customers. This ultimate check emphasizes our dedication to perfection with every delivery.
Packaging & Shipping
Company Profile
Since its inception in 2009, building on its foundational roots planted back in 2002, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. has passionately committed itself to the exquisite art and meticulous science of high-precision basic component machining. Through an unwavering dedication to groundbreaking innovation over the past two decades, we have immersed ourselves in advanced technical research, proudly establishing our reputation as pioneers and trailblazers in the realm of precision engineering. We have garnered an extensive wealth of technical expertise, earning a stellar market reputation that distinguishes us as a preeminent leader in our industry.
With four strategically located production bases in the dynamic and thriving centers of Shenzhen and Guiyang, empowered by a dedicated and talented workforce of over 400 highly skilled employees, Donghui has meticulously crafted a robust and vertically integrated industry chain. This seamless operation interweaves research, development, production, and delivery, ensuring that we consistently meet and surpass the diverse requirements of our clients with exceptional efficiency and unparalleled 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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