Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., our fervor for manufacturing transcends mere commitment; it is a passionate pursuit blended with precision and innovation. Our expertise radiates in the creation of high-end precision components, embodying both excellence and sophistication. In addition, we are trailblazers in the innovation and production of advanced intelligent automation equipment. Our state-of-the-art solutions cater to a diverse range of dynamic industries, including:
- Medical and Biotech: We deliver unparalleled high-precision components and innovative solutions, meeting the ever-evolving demands of the medical device sector with excellence.
- Semiconductors: We empower chip manufacturing and its associated equipment with vital core components, ensuring a seamless blend of precision, reliability, and technological advancement.
- New Energy: We play a crucial role in the efficient and sustainable advancement of new energy equipment, leading the charge toward a cleaner, greener future.
- Automotive: We supply indispensable components that are at the forefront of innovation in the automotive industry, particularly in the realm of intelligent and electric vehicle evolution.
Main Products
- We excel in crafting non-standard customized components, serving extensively the medical, automation, semiconductor, and automotive industries where precision and unmatched quality are non-negotiable.
Why choose us
Core Advantages
- A Fleet of Excellence Our operations boast an impressive collection of over 300 top-tier branded machines, ensuring we cover a vast array of equipment categories. This expansive selection empowers us to adeptly meet the diverse and demanding machining requirements across numerous industries, delivering precision craftsmanship and unparalleled efficiency.
- With a legacy spanning 20 remarkable years, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. brings a treasure trove of production expertise. Our significant technical and process advantages ensure we consistently deliver top-notch quality and foster groundbreaking innovation.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Meticulous In-Coming Material Inspection
Prior to the admittance of any raw materials into our storage, they undergo an exhaustive assessment, including chemical composition analysis and testing of physical properties. Our unwavering dedication to excellence mandates that all suppliers furnish a Certificate of Origin, along with a Declaration of Conformity, each carrying the official seal. This thorough verification ensures the materials' purity and integrity, upholding our high-quality standards.
Rigorous In-Process Inspection
Throughout the machining process, each component is scrutinized with precision to ensure its dimensions and tolerances align with exact specifications. Our vigilant and continuous inspection process is designed to proactively intercept any deficiencies, thereby minimizing the occurrence of defective products and preventing them from reaching subsequent production stages.
Comprehensive First Article Inspection
Our First Article Inspection (FAI) is a proactive measure aimed at identifying potential discrepancies before they can impact mass production. This robust, precision-driven process is pivotal in minimizing quality risks and ensuring the consistent delivery of superior products that meet our high standards.
Thorough Final Inspection
Each product undergoes a meticulous final inspection before it exits our facility, where dimensions, aesthetics, functionality, and any specific customer requirements are closely examined. This exhaustive inspection process ensures that all products dispatched to our customers adhere to our stringent quality thresholds, guaranteeing only the finest standards in every delivery.
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. Over the past two decades, with an unwavering commitment to cutting-edge innovation, we have delved deep into technical research and emerged as pioneers in the field of precision engineering. We have accumulated a formidable wealth of technical expertise, earning us a stellar market reputation that distinguishes us as a true leader in the precision machining industry.
With four strategically located production bases in the vibrant centers of Shenzhen and Guiyang, powered by a dedicated workforce of over 400 highly skilled employees, Donghui has carefully crafted a robust and vertically integrated industry chain. This chain seamlessly knits together research and development, production, and delivery, ensuring that we consistently meet and surpass the diverse needs of our valued customers with remarkable efficiency and unrivaled 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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