Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., we are not merely committed; we are wholeheartedly passionate about the exquisite art of manufacturing excellence. Our unparalleled expertise illuminates in the crafting of high-end precision components, while pioneering the development and production of state-of-the-art intelligent automation equipment. Our comprehensive solutions span a vast array of industries, including:
- Medical and Biotech: Offering unparalleled high-precision components and innovative breakthroughs in the ever-evolving realm of medical devices, setting new standards.
- Semiconductors: Fortifying chip manufacturing and its associated equipment with essential core components, ensuring utmost precision and unwavering reliability.
- New Energy: Playing a transformative role in advancing efficient, sustainable new energy equipment, paving the way towards a greener and brighter future.
- Automotive: Providing vital components that drive the innovative force in the automotive industry, especially in the evolution of intelligent and electric vehicles.
Main Products
- We excel in crafting non-standard customized components, extensively serving the medical, automation, semiconductor, and automotive industries where precision, innovation, and quality are of utmost importance.
Why choose us
Core Advantages
- A Fleet of Excellence Our operations boast an impressive collection of over 300 premium branded machinery units of industry-leading brands, ensuring we cover a vast array of equipment categories. This extensive and diverse inventory allows us to expertly cater to the multifaceted machining demands across numerous industries with unmatched precision and remarkable efficiency.
- With a proud legacy spanning 20 years, we bring forth a wealth of production experience. This, combined with our unmatched technical prowess and process innovations, ensures top-notch quality and groundbreaking innovation that consistently exceeds industry standards.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Meticulous Material Evaluation
Before we accept any raw materials into our warehouse, they undergo a stringent regimen of chemical composition analysis and testing of physical properties. Our unwavering dedication to quality necessitates that suppliers furnish a Certificate of Origin, paired with a Declaration of Conformity, each bearing the authoritative official stamp. This rigorous vetting process is essential in ensuring the purity and authentic integrity of the materials integrated into our production.
Continuous Production Evaluation
Throughout the machining process, each component is meticulously scrutinized to confirm that its dimensions and tolerances strictly adhere to the specified precision criteria. By upholding a vigilant and continuous inspection schedule, we proactively avert defective components from progressing to subsequent manufacturing phases, significantly mitigating the risk of producing extensive batches of non-conforming products.
Preliminary Production Validation
Our First Article Inspection (FAI) represents a strategic initiative meticulously crafted to identify potential challenges before they escalate into large-scale production issues, thus preventing unnecessary resource wastage. This robust and precise FAI process is pivotal in minimizing quality risks and ensuring that we consistently uphold superior product standards.
Comprehensive Final Assessment
Prior to dispatch, every product undergoes an exhaustive final inspection encompassing dimensions, appearance, functionality, and any tailored customer specifications. This thorough inspection procedure ensures that each component sent to our clients adheres to our rigorous standards, guaranteeing that only the finest quality products reach our discerning customers.
Packaging & Shipping
Company Profile
Since its establishment in 2009, originating from its foundational roots in 2002, Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd. has passionately dedicated itself to the intricate art and cutting-edge science of high-precision basic component machining. With an unyielding commitment to perpetual innovation over the past two decades, we have immersed ourselves deeply into technical research, securing our place at the forefront of precision engineering as true pioneers. We have cultivated an extensive reservoir of technical expertise, earning an outstanding market reputation that distinctly positions us as an industry leader.
With four strategically positioned production bases in the vibrant centers of Shenzhen and Guiyang, fueled by a dedicated team of over 400 skilled employees, Donghui has meticulously crafted a robust and vertically integrated industry chain. This seamless chain intricately weaves together research and development, production, and delivery, ensuring that we consistently meet and surpass our customers' diverse needs 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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