Product application
At Shenzhen Donghui Precision Mechanical & Electrical Co., Ltd., our commitment transcends mere obligation; it is a fervent passion for the exquisite craft of manufacturing. We are dedicated artisans of innovation, continually pushing the boundaries of what is possible. Our unparalleled expertise illuminates the path to excellence as we craft high-end precision components that redefine industry standards. We are trailblazers, spearheading the development and production of state-of-the-art intelligent automation equipment. Our groundbreaking solutions permeate a diverse array of industries, including:
- Medical and Biotech: We deliver unmatched high-precision components and innovative solutions for the dynamic and ever-evolving realm of medical devices, setting new benchmarks in quality and performance.
- Semiconductors: With precision and reliability at the core, we empower chip manufacturing and its related equipment with essential components, ensuring seamless integration and exceptional performance.
- New Energy: We are at the forefront of the efficient and sustainable advancement of new energy equipment, actively paving the way for a cleaner, greener future.
- Automotive: Our essential components drive innovation within the automotive sector, particularly in the evolution of intelligent and electric vehicles, fueling the future of mobility.
Main Products
- Our specialization lies in non-standard customized components, meticulously crafted to serve the precise demands of the medical, automation, semiconductor, and automotive industries, where precision and quality are paramount.
Why choose us
Core Advantages
- A Fleet of Excellence Our operations are powered by a formidable ensemble of over 300 renowned-brand machines, ensuring comprehensive coverage across a multitude of equipment categories. This expansive capability empowers us to precisely and efficiently fulfill the multifaceted machining needs of diverse industries.
- With an illustrious legacy spanning two decades, we harness an extensive reservoir of production expertise, paired with profound technical and process superiority, delivering unparalleled quality and groundbreaking innovation.
State-of-the-Art Production Equipment
High-Precision Inspection Equipment
Quality Ensurance
Incoming Material Inspection
Before any raw materials are graciously welcomed into our warehouse, they must pass through a rigorous gauntlet of tests, including a detailed chemical composition analysis and thorough physical property evaluations. Our unwavering commitment to excellence dictates that suppliers present a Certificate of Origin for the materials, augmented by a meticulously prepared Declaration of Conformity, proudly stamped with their official seal. This comprehensive verification process is pivotal in maintaining the utmost integrity and purity of the materials we employ, setting the foundation for exceptional quality in our production.
In-Process Inspection
During the intricate machining process, each component is subject to meticulous examination to ensure its dimensions and tolerances align with the stringent specifications. Through a vigilant, continuous inspection routine, we proactively thwart the progression of defective parts, thereby significantly mitigating the risk of producing large batches of non-conforming goods. This steadfast approach safeguards the quality of our products at every stage of production.
First Article Inspection
Our First Article Inspection (FAI) is a proactive, strategic initiative meticulously crafted to uncover potential issues before they have the chance to escalate to mass production, effectively preventing unnecessary waste. This robust and precise FAI process plays a crucial role in reducing quality risks, ensuring that we consistently uphold superior product standards and deliver exemplary results with each production cycle.
Final Inspection
Before any product departs from our facility, it undergoes an exhaustive final inspection. This meticulous process scrutinizes every dimension, appearance, functionality, and any bespoke customer specifications. Our comprehensive inspection regimen guarantees that each part dispatched to our esteemed clients aligns seamlessly with our exacting standards. This rigorous scrutiny ensures that only the highest quality products, crafted with precision and care, reach the hands of our valued customers.
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. With an unwavering commitment to innovation over the past two decades, we have delved deep into technical research, establishing ourselves as pioneers in precision engineering. We have amassed a wealth of unparalleled technical expertise, earning a stellar market reputation that unequivocally sets us apart as an undisputed leader in the industry, celebrated for our dedication to precision and excellence.
With four strategically located production bases in the dynamic and bustling hubs of Shenzhen and Guiyang, powered by a dedicated and highly skilled workforce of over 400 talented employees, Donghui has crafted a robust and vertically integrated industry chain. This seamlessly orchestrated chain weaves together research and development, production, and delivery, ensuring that we not only meet but consistently exceed the diverse needs of our esteemed 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)
){kind=link}