Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., our commitment transcends mere manufacturing - it's our passion, our artform. Our mastery is evident in producing top-tier precision components that define excellence. Moreover, we lead the charge in the innovative development and production of state-of-the-art intelligent automation equipment. Our cutting-edge solutions seamlessly integrate into a vast array of industries, such as:
- Medical and Biotech: Delivering unparalleled high-precision components and revolutionary solutions, we set the benchmark for the dynamic realm of medical devices.
- Semiconductors: We empower the semiconductor world by providing indispensable core components, ensuring the highest standards of precision and dependability.
- New Energy: We are at the forefront of advancing new energy equipment, championing efficiency and sustainability, and paving the path to a greener tomorrow.
- Automotive: We provide crucial components essential for innovation in the automotive industry, especially within intelligent and electric vehicle advancements.
Main Products
- Our specialization lies in crafting non-standard customized components, expertly serving the medical, automation, semiconductor, and automotive sectors, where precision and quality are of the utmost importance.
Why choose us
Core Advantages
- A Fleet of Excellence: Unmatched in Capability Our operations proudly feature an extraordinary collection of over 300 renowned branded machines,ensuring we encompass a comprehensive array of equipment categories. This extensive selection empowers us to skillfully address the diverse and intricate machining requirements of numerous industries with unparalleled precision and remarkable efficiency.
- With a legacy spanning 20 years, we offer a rich reservoir of production experience, harmonized with significant technical and process advantages, ensuring superior quality and leading-edge innovation.
State-of-the-Art Production Equipment: Pioneering Technology at Your Service
High-Precision Inspection Equipment: Assuring Excellence in Every Detail
Quality Ensurance
Thorough In-Coming Material Inspection
Before raw materials are welcomed into our inventory, they undergo an exhaustive evaluation through rigorous chemical analysis and stringent physical property testing. Our unwavering dedication to quality mandates that suppliers furnish a Certificate of Origin, accompanied by a Declaration of Conformity, each impeccably sealed with their official endorsement. This diligent and meticulous verification process safeguards the purity and integrity of the materials, ensuring only the finest resources contribute to our production.
Meticulous In-Process Inspection
Throughout the machining phase, each component is meticulously scrutinized to ensure that its dimensions and tolerances adhere flawlessly to precise specifications. By sustaining a rigorous and continuous inspection routine, we proactively thwart the progression of any defective parts to subsequent stages, thereby significantly mitigating the risk of generating large volumes of non-conforming products.
Strategic First Article Inspection
Our First Article Inspection (FAI) is a strategic cornerstone designed to preemptively identify and resolve potential issues before they manifest in mass production, thereby averting unnecessary waste. This robust and meticulously precise FAI process is pivotal in minimizing quality risks, ensuring we consistently uphold superior product standards, and deliver reliability you can trust.
Exhaustive Final Inspection
Before any product departs from our facility, it undergoes a thorough final inspection that meticulously scrutinizes dimensions, appearance, functionality, and any bespoke customer requirements. This comprehensive inspection regimen ensures that every part dispatched to our clients meets our high standards, guaranteeing that only the finest quality products arrive at our customers' doorsteps, exemplifying our commitment to excellence.
Packaging & Shipping
Company Profile
Pioneers in Precision: Established in 2009, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. has its roots tracing back to 2002, marking a journey of relentless dedication to the science and art of high-precision component machining. For over 20 years, we have been at the forefront of innovation, engaging in profound technical research that has positioned us as leaders in the realm of precision engineering. We have accumulated an extensive reservoir of technical expertise, fostering a stellar market reputation that distinguishes us as a preeminent leader in the industry.
With four strategically positioned production bases located in the vibrant and bustling centers of Shenzhen and Guiyang, supported by a dedicated team of over 400 skilled professionals, Donghui has meticulously crafted a robust and vertically integrated industry chain. This chain seamlessly intertwines research and development, production, and delivery, ensuring that we not only meet but surpass the diverse needs of our customers with unparalleled efficiency and exceptional 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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