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It is a high-precision structural part used to support and connect various parts in the car. These parts are usually important components of the car frame, including but not limited to the front and rear longitudinal beams, A, B, C pillars, wheel brackets, etc. They not only need to have high strength and high precision mechanical properties to ensure the overall structural stability and safety of the car, but also need to meet the requirements of lightweight to improve the fuel efficiency and performance of the car.
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., we do not just fulfill our duties; our commitment is driven by a fervent passion for the exquisite craftsmanship and exacting science that define the art of manufacturing. Our approach is not merely procedural; it stems from a deep-seated enthusiasm for perfection. Our profound expertise stands as a beacon of precision, illuminating the realm of top-tier component fabrication. We are relentless in our pursuit of excellence, ensuring each product meets the pinnacle of quality standards. As pioneers of innovation, we are at the forefront of developing and producing state-of-the-art intelligent automation equipment. Our revolutionary solutions are designed to meet the needs of a wide array of industries, offering versatile applications, including:
- Medical and Biotech: Delivering meticulously crafted, high-precision components and pioneering solutions that drive the evolution of advanced medical devices, ensuring superior performance and reliability.
- Semiconductors: Facilitating the production of chips and essential accompanying equipment through the provision of crucial core components, ensuring high efficiency and scalability in semiconductor manufacturing.
- New Energy: Contributing significantly to the sustainable and innovative progress of energy equipment, promoting eco-friendly advancements that redefine the energy landscape.
- Automotive: Providing vital components that fuel innovation within the automotive industry, driving advancements in intelligent and electric vehicle technology, and enhancing vehicle performance.
Product Description
Our Advantages
- A Fleet of Excellence Our operations proudly feature an impressive array of over 300 branded machines, ensuring comprehensive coverage across a vast range of equipment categories. This strategic advantage empowers us to seamlessly and expertly cater to the diverse and intricate machining requirements of various industries with unparalleled precision and efficiency.
- With a legacy that spans an impressive 20 years, we offer a rich tapestry of production expertise that is enhanced by our extensive technical and process strengths, guaranteeing superior quality and groundbreaking innovation.
Meticulous Inspection of Incoming Materials
Each piece of raw material entering our warehouse is subjected to a comprehensive and rigorous evaluation process. This includes a detailed analysis of chemical composition and a thorough examination of physical properties. Our unwavering commitment to excellence insists that each supplier provides a Certificate of Origin accompanied by a stamped Declaration of Conformity, ensuring only the highest-quality materials are selected for our high-precision medical machining services. This stringent authentication guarantees that the materials uphold the utmost integrity and purity, consistently meeting our uncompromising standards.
Stringent In-Process Quality Control
Throughout the complex machining process, every component is meticulously examined to ensure that its dimensions and tolerances meet our demanding specifications. This diligent and uninterrupted inspection protocol proactively intercepts defects, preventing non-conforming parts from progressing to subsequent stages. This vigilant strategy effectively reduces the likelihood of producing large quantities of inferior goods, assuring exceptional quality at every stage of production.
Proactive and Thorough First Article Inspection (FAI)
Our First Article Inspection (FAI) is a fundamental strategy that identifies and addresses potential production challenges at an early stage, preventing any issues from escalating into mass production. This comprehensive and meticulous FAI process is crucial for minimizing quality risks and ensuring that our products consistently achieve the highest standards, reflecting our commitment to excellence throughout the entire production cycle.
Detailed Comprehensive Final Inspection
Before any product departs from our facility, it undergoes an exhaustive final inspection process that meticulously evaluates dimensions, visual appearance, and performance, alongside any customer-specific requirements. This thorough inspection underscores our dedication to quality, ensuring that every part dispatched adheres to our exacting standards, delivering only the finest quality products to our valued customers.
Company Profile
Donghui Precision Machinery Co., Ltd. was established in 2009 (founded in 2002), focusing on high-precision basic component machining and related technical research over the past 20 years. We has accumulated extensive technical expertise and market reputation.
With four production bases located in Shenzhen and Guiyang, and a workforce of over 400 employees, Donghui has developed a complete industry chain from research and development to production and delivery, efficiently and quality-meeting diverse customer needs.
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
- Defense and military
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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