Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., we transcend commitment with a fervent passion for the art of manufacturing excellence. Our unmatched expertise radiates in crafting high-end precision components, while spearheading the development and production of state-of-the-art intelligent automation equipment. Our innovative solutions span a multitude of industries, including:
- Medical and Biotech: Delivering unparalleled high-precision components and revolutionary solutions tailored for the dynamic realm of medical devices.
- Semiconductors: Elevating chip manufacturing and its associated equipment with vital core components, ensuring unmatched precision and dependability.
- New Energy: Contributing critically to the efficient and sustainable progression of new energy equipment, leading the charge towards a more eco-friendly future.
- Automotive: Providing essential components that drive innovation in the automotive sector, with a keen focus on the advancement of intelligent and electric vehicles.
Main Products
- We excel in creating bespoke non-standard customized components, serving the medical, automation, semiconductor, and automotive sectors, where precision and unsurpassed quality are crucial.
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 allows us to adeptly meet the diverse machining requirements across numerous industries with precision and efficiency.
- With a legacy spanning 20 years, we bring a wealth of production experience, coupled with significant technical and process advantages, ensuring top-notch quality and innovation.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
In-Coming Material Inspection: A Rigorous Approach
Before any raw materials make their way into our warehouse, they undergo a rigorous battery of chemical composition analysis and physical property tests. Our unwavering commitment to quality mandates that each supplier provides a Certificate of Origin for the materials, along with a Declaration of Conformity, duly certified with their official stamp. This meticulous process of verification guarantees the integrity and purity of the materials we utilize, ensuring they meet our high standards from the very start.
In-Process Inspection: Meticulous Oversight
During the machining process, each component is scrupulously examined to ensure that its size and tolerances align perfectly with the precise specifications laid out. Our steadfast commitment to a vigilant, ongoing inspection routine allows us to proactively intercept and address any potential issues, thereby significantly reducing the risk of non-conforming goods progressing through the production stages. This proactive approach ensures that only components meeting our exacting standards advance further.
First Article Inspection: Proactive Quality Control
Our First Article Inspection (FAI) stands as a strategic measure engineered to identify and resolve potential issues before they can manifest in mass production. This foresight minimizes unnecessary waste and is a testament to our dedication to superior quality. Our robust and precise FAI process plays a pivotal role in mitigating quality risks, ensuring that we perpetually uphold the highest product standards.
Final Inspection: Delivering Excellence
No product departs from our facility without undergoing a thorough final inspection, which meticulously evaluates dimensions, aesthetics, functionality, and any specific customer requirements. This exhaustive inspection process is our assurance that each part sent to our clients adheres to our stringent standards, guaranteeing that only top-tier quality products are delivered to our discerning customers.
Packaging & Shipping
Company Profile
Since its inception in 2009, following its founding roots in 2002, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. has elevated the science of high-precision basic component machining to an art form. With an unwavering dedication to innovation over the last two decades, we have immersed ourselves in technical excellence, establishing our company as trailblazers in precision engineering. We have cultivated an abundance of technical knowledge, earning a sterling reputation in the market that distinguishes us as an industry leader.
With four strategically located production bases in the dynamic cities of Shenzhen and Guiyang, supported by a dedicated team of over 400 highly skilled employees, Donghui has developed a comprehensive and vertically integrated industry chain. This chain intricately combines research and development, production, and delivery, ensuring that we not only meet but consistently exceed the diverse needs of our customers with exceptional 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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