Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., our commitment is not just a responsibility; it is an inspired pursuit, driven by a fervent passion for mastering the intricate art and science of manufacturing excellence. Our expertise shines as a beacon of unrivaled precision, casting a brilliant light across the sophisticated domain of high-end component fabrication. Pioneering the future of technology, we stand at the cutting edge of innovation, spearheading the creation and production of state-of-the-art intelligent automation equipment. Our ground-breaking solutions are tailored to meet the demands of a myriad of industries, offering a broad spectrum of applications, including:
- Medical and Biotech: Delivering meticulously crafted, high-precision components and trailblazing solutions for the advancement of medical devices, ensuring utmost reliability and functionality.
- Semiconductors: Fortifying chip manufacturing and associated equipment with essential core components, enhancing performance and efficiency.
- New Energy: Playing a pivotal role in the efficient and sustainable evolution of new energy equipment, championing eco-friendly innovation.
- Automotive: Supplying vital components that accelerate innovation within the automotive industry, actively shaping the future of intelligent and electric vehicles.
Main Products
- We specialize in non-standard customized components, offering versatile solutions that comprehensively serve the medical, automation, semiconductor, and automotive industries.
Why choose us
Core Advantages
- A Fleet of Excellence Our operations boast an impressive collection of over 300 industry-leading branded machines, ensuring we cover a vast array of equipment categories. This incredible fleet allows us to adeptly meet the diverse machining requirements across numerous industries, consistently delivering precision and efficiency that set benchmarks.
- With a legacy spanning 20 years, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. provides a wealth of production experience, coupled with significant technical and process advantages, ensuring top-notch quality and relentless innovation. Trust us to deliver superior solutions that exceed expectations.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Thorough Incoming Material Inspection
Every piece of raw material earmarked for our warehouse is subjected to a series of stringent evaluations that leave no stone unturned. We conduct comprehensive chemical composition analyses and demanding physical property tests to ensure the utmost quality. Our commitment to precision mandates that each supplier provides a Certificate of Origin, along with a stamped Declaration of Conformity. This meticulous process guarantees that our precision medical machining services only utilize materials that meet the highest standards of integrity and purity.
Meticulous In-Process Quality Control
As each component wends its way through the intricate machining journey, it undergoes a rigorous examination to ensure that every dimension and tolerance aligns with our exacting specifications. This diligent, continuous inspection protocol acts as a preventative safeguard, intercepting any potential defects before they can progress further. By halting non-conforming parts early, we effectively reduce the risk of faulty products reaching subsequent production stages, thereby preserving our commitment to superior quality.
Strategic First Article Inspection (FAI)
Our First Article Inspection (FAI) is a cornerstone of our quality assurance strategy, designed to preemptively identify and rectify potential production issues right from the start. By addressing concerns early, we prevent escalation into the mass production phase, significantly reducing unnecessary waste. This rigorous and precise FAI procedure is essential in mitigating quality risks, ensuring that our products unfailingly meet the pinnacle of excellence.
Exhaustive Comprehensive Final Inspection
Before any product leaves our premises and reaches your doorstep, it is subjected to an exhaustive final inspection. This meticulous evaluation thoroughly assesses dimensions, visual aesthetics, performance, and any customer-specific requirements. Such a comprehensive inspection ensures that every part dispatched meets our rigorous standards, delivering only the highest quality products to our esteemed customers.
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 have amassed a wealth of technical expertise, earning a stellar market reputation that sets us apart as a leader in the industry. Our capabilities in precision medical machining services are unmatched, consistently achieving tight tolerances and impeccable surface finishes, making us the preferred choice in the medical sector.
With four strategically located production bases 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 research and development, production, and delivery, ensuring that we meet and exceed the diverse needs of our customers with exceptional efficiency and unmatched quality. Our state-of-the-art facilities are equipped to handle the most intricate and demanding machining tasks, maintaining our 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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