Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., we transcend mere commitment, embodying a fervent passion for the intricate and exquisite art of manufacturing excellence. Our expertise is unparalleled, as we masterfully craft high-end precision components with meticulous attention to every detail, while simultaneously spearheading the innovation and production of state-of-the-art intelligent automation equipment. Our comprehensive solutions strategically serve a diverse array of industries, including:
- Medical and Biotech: Delivering unparalleled high-precision components and pioneering solutions that are at the forefront of the rapidly advancing medical device landscape.
- Semiconductors: Elevating chip manufacturing processes with indispensable core components, ensuring unmatched precision, efficiency, and reliability.
- New Energy: Serving as a cornerstone in the efficient and sustainable evolution of new energy equipment, facilitating a transition towards a more sustainable and eco-friendly future.
- Automotive: Providing essential components that drive innovation and progress within the automotive industry, particularly in the realms of intelligent and electric vehicle advancements.
Main Products
- We excel in the fabrication of non-standard, bespoke components, catering extensively to industries such as medical, automation, semiconductor, and automotive, where precision craftsmanship and superior quality are of the utmost importance.
Why choose us
Core Advantages
- A Fleet of Excellence Our operations boast an impressive collection of over 300 premium branded machines, ensuring we cover a vast array of equipment categories. This extensive selection empowers us to expertly address the diverse machining requirements across numerous industries, delivering unparalleled precision and efficiency.
- With a legacy spanning 20 years, we bring a wealth of production experience, coupled with significant technical and process advantages, ensuring peerless quality and innovative solutions.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Meticulous In-Coming Material Inspection
Before any raw materials cross our threshold, they undergo an exhaustive series of chemical composition analyses and rigorous physical property tests. Our unwavering dedication to quality dictates that suppliers provide an authenticated Certificate of Origin for all materials, further substantiated by a Declaration of Conformity adorned with the official seal. This scrupulous verification procedure is paramount to ensuring the purity and integrity of each material utilized.
Thorough In-Process Inspection
Throughout the machining journey, each component is subjected to meticulous scrutiny, ensuring that dimensions and tolerances align perfectly with exacting specifications. By sustaining a vigilant and continuous inspection routine, we proactively avert any defective parts from progressing to the next phases, thus significantly mitigating the risk of generating extensive batches of non-conforming products.
Proactive First Article Inspection
Our First Article Inspection (FAI) is a proactive strategy meticulously engineered to detect potential issues before they evolve into larger-scale production challenges, thereby conserving resources and minimizing waste. This robust and precise FAI procedure is a cornerstone in our quest to uphold superior quality standards, significantly reducing potential quality risks and assuring consistent product excellence.
Comprehensive Final Inspection
Prior to departure from our facilities, each product is subjected to a comprehensive final inspection, rigorously evaluating dimensions, appearance, functionality, and any unique customer specifications. This thorough inspection regimen ensures that every part dispatched to our esteemed clients adheres to our stringent standards, delivering only the highest quality products and guaranteeing absolute customer satisfaction.
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.
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.
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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