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 boast an impressive collection of over 300 branded machines, ensuring we cover a vast array of equipment categories. This strategic diversity empowers us to expertly address the intricate and varied machining needs across countless industries, with unmatched precision and enviable efficiency.
- With a legacy spanning 20 years, we bring a wealth of production experience, enhanced by substantial technical and process advantages, guaranteeing superior quality and groundbreaking innovation.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Thorough In-coming Material Inspection
Before any raw materials grace our warehouse, they undergo an exhaustive chemical composition analysis and stringent physical property examinations. Our unwavering commitment to excellence mandates that suppliers deliver a Certificate of Origin for the materials, along with a meticulously stamped Declaration of Conformity. This diligent verification process is vital to uphold the integrity and superior quality of the materials we employ.
Comprehensive In-Process Inspection
Throughout the machining journey, each part is carefully scrutinized to ensure its size and tolerances align with exacting specifications. By implementing a vigilant and ongoing inspection regimen, we adeptly prevent defective parts from progressing to subsequent phases, substantially mitigating the risk of producing large batches of substandard goods.
Proactive First Article Inspection
Our First Article Inspection (FAI) is a critical strategic measure devised to identify potential concerns before they escalate into large-scale production, effectively curtailing unnecessary waste. This robust and precise FAI process is crucial for reducing quality risks, ensuring we consistently uphold our superior product standards with unwavering precision.
Rigorous Final Inspection
Before any product exits our facility, it must pass through a meticulous final inspection that evaluates dimensions, aesthetics, functionality, and any bespoke customer requirements. This all-encompassing inspection procedure guarantees that each part delivered to our clients not only meets but exceeds our strict standards, ensuring that only products of the highest caliber are entrusted to our valued customers.
Packaging & Shipping
Company Profile
Since its inception in 2009, building on its founding roots established in 2002, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. has remained resolute in pursuing the art and science of high-precision component machining. With steadfast dedication to innovation for over two decades, we have immersed ourselves in revolutionary technical research, positioning ourselves as trailblazers in the realm of precision engineering. We have accumulated a vast reservoir of technical acumen, cultivating a stellar market reputation that distinguishes us as a trailblazer in the industry.
With four strategically positioned production bases in the dynamic centers of Shenzhen and Guiyang, powered by a dedicated workforce of over 400 skilled professionals, Donghui has masterfully crafted a robust and vertically integrated industry chain. This seamlessly interlinks research and development, production, and delivery, ensuring we not only meet but often exceed the diverse expectations of our clientele with unparalleled efficiency and superior 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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