OEM CNC Machining Services
We are Yichen, a metal parts manufacturing company specializing in high-precision CNC machining for the automotive industry. With years of automotive machining experience and state-of-the-art production equipment, we are committed to providing our customers with the best part machining solutions. By choosing us, you will gain:
●24-Hour Quick Quotation
●Fastest 1-Day Delivery
●High Precision (±0.01mm)
●Robust Quality Management System Certifications
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Customized CNC Machining Services
We possess over 50 CNC lathes and turning-milling centers, and have extensive experience in producing with hundreds of types of metal materials. Whether you need product prototyping or large-scale production, we can meet your requirements.
Custom CNC Milling Services
We are equipped with a series of high-precision turning-milling composite machine tools from brands like TAKISAWA, DOOSAN, and TSUGAMI, and also have 40 VMC machining centers, enabling us to handle the processing of various complex parts. Additionally, we have an online inspection system to ensure real-time monitoring and precision control during the machining process.
Custom CNC Turning Services
We have extensive turning experience with common automotive materials such as aluminum alloys, steel, and plastics. We can effectively control material deformation during the turning process. This expertise is especially suitable for machining automotive engine parts, transmission parts, chassis components, and braking system parts.
Professional R&D Capabilities
We have a dedicated R&D team specializing in the automotive industry, capable of developing customized machining processes and solutions based on specific customer requirements. In addition, we have been recognized as a National High-Tech Enterprise by the Chinese government.
One-Stop Service
We offer more than just CNC machining services-we are committed to providing comprehensive one-stop solutions, including design optimization, material selection, processing and manufacturing, surface treatment, and quality inspection.
Rapid Response and Delivery
With an efficient production management system and a well-developed logistics network, we can respond quickly to customer needs. Our company is located in Ningbo, China's largest port city, just a one-hour drive from the port, ensuring timely delivery of all our products.
Extensive Production Experience
Founded in 2011, our company has over 10 years of experience in metal component manufacturing and has developed more than 5,000 types of metal parts. Whether it involves special materials or complex designs, we offer proprietary, customized processes and solutions.
Smart Manufacturing
Since 2018, we have integrated automation and smart technologies into our CNC workshops. In partnership with Gogo, a leading provider of intelligent manufacturing software, we've developed both an online inspection system and a digital production management platform. These tools allow for real-time project tracking and transparent production process monitoring, helping clients stay informed of the production process.
Embrace the Power of CNC Machining
Yichen is capable of efficiently and precisely machining metal components after various forming processes, including die casting, hot forging, aluminum extrusion, and cold heading. Whether for prototype development or large-scale mass production, we ensure that our products meet stringent accuracy standards and deliver good surface quality.
15+
Years in Manufacturing
700+
Sets of Machine
120+
Countries Shipped
Our Commitment to Quality Assurance
Our stringent quality control processes are designed to ensure that the products delivered to customers fully meet their size and performance requirements.
Comprehensive Quality Control System
We have been certified to the IATF 16949:2016 standard for over 10 years. This globally recognized system, based on ISO 9001, ensures we consistently deliver high-quality, reliable products for the automotive industry.
- IATF 16949:2016 Certification
- ISO 9001
- Over 10 Years of Certification
Advanced Inspection Equipment
We utilize advanced quality inspection equipment, including coordinate measuring machines (CMMs), 3D blue light scanners, dimensional projectors, and infrared full-inspection devices. These tools enable precise measurement of material performance, appearance, and dimensional accuracy across multiple parameters, ensuring the highest standards of product quality.
- Product material inspection
- Product performance inspection
- Product appearance inspection
Experienced Quality Control Team
Our quality control team has over 10 years of experience in manufacturing quality management. They are proficient in advanced tools such as SPC, FMEA, PPAP, APQP, and MSA, and have received professional Six Sigma training. With their expertise, we ensure every process meets the highest standards of precision and consistency.
- More than 10 years of experience
- SPC, MSA, FMEA, PPAP, APQP
Extensive Automotive Parts Manufacturing Experience
Yichen specializes in stamping and forming vital automotive parts, including body structures, chassis reinforcements, and interior frames, with a strong focus on precision, strength, lightweight design, and NVH performance.
CNC Machining Technical Data
| Maximum Part Processing Capacity | L450mm,φ200mm |
| Minimum Part Processing Capacity | φ30mm |
| Chuck types | Collet chuck, chuck jaw. |
| Spindle Speed | 60~3500R/min |
| Spindle control method | Infinitely variable speed |
| Feed | X-axis travel: 200~310mm Z-axis travel: 250~450mm |
| Tool Holder | 4-position electric tool post turret, 8-position hydraulic servo tool tower. |
| Tool Size | (OD) turning tool 20mm x 20mm, 25mm x 25mm, Boring bar diameters: φ25mm, φ32mm. |
| Control system | 980TB3 system, KND, feed axis servo motor and drive. |
Surface Treatment Processing Guide and Capabilities.
| Type: | Galvanizing, Zinc-Nickel Plating, Electrophoretic Coating, Spray Painting, Powder Coating, Dacromet, Magni Coating, Geomet Coating. |
| Electroplating thickness/ Salt spray test: | 3-15μm, Salt spray test 72-1000 hours. |
| Electrophoretic coating thickness, Salt spray test. | 18~35μm,Salt spray test: 120~480h. |
| Spray painting/powder coating thickness, salt spray test: | 30~80μm,Salt spray test:120~480h |
| Dacromet / Salt spray test: | 4~12μm,Salt spray test:480~1000h |
| Geomet / Magni salt spray test: 120~480h. | 4~12μm,Salt spray test:500~1500h |
| Surface treatment methods | Coating, electrostatic adsorption. |
| Performance characteristics. | Corrosion resistance, wear resistance, heat resistance, aesthetic appeal, UV resistance. |
CNC Machining Guide
CNC turning is a machining process used to produce cylindrical parts by rotating the workpiece against a stationary cutting tool. It delivers high precision, with typical tolerances reaching ±0.01 mm, and produces smooth surfaces with roughness as low as Ra 0.8 µm. This makes it suitable for components like shafts, bushings, and threads.
By automating tool paths and optimizing cutting parameters, CNC turning not only improves accuracy but also shortens cycle time-some aluminum parts can be finished in under 20 seconds-making it highly efficient for mass production.
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CNC Milling is a versatile machining process that utilizes rotating cutting tools to remove material from a stationary workpiece. This process can create complex shapes, including flat surfaces, grooves, and intricate contours. The special feature of milling is its ability to operate on multiple axes, allowing for three-dimensional machining of parts. CNC milling is widely used in various industries, including manufacturing of mechanical components, molds, and dies, where precision and flexibility are essential. The automation of milling operations not only improves productivity but also ensures consistent quality across numerous parts.
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CNC Drilling is a specialized machining process focused on creating precise holes in workpieces. It's characterized by its high accuracy and efficiency, especially suitable for applications demanding exact hole positioning such as in mechanical parts, architectural hardware, and electronics. The process involves a rotating drill bit while the workpiece remains stationary, allowing for complex hole patterns in a variety of materials. CNC Drilling is widely used in industries like automotive and aerospace for its ability to enhance production throughput and maintain consistent quality in mass production.
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Material Selection
Different CNC machining materials have different properties that affect how they are processed. For example, aluminum is lightweight and easy to machine, allowing cutting speeds up to 300 m/min. On the other hand, stainless steel is much harder and more wear-resistant, but it requires slower cutting speeds-usually around 60 m/min-which increases machining time and cost. At Yichen, we help you compare these differences and choose the right material based on your needs.
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Surface Treatment
Different surface treatments bring different benefits to CNC parts. Some make the parts last longer. For example, anodizing can increase surface hardness by up to 30%, which helps prevent wear. Others improve how the part looks. For instance, polishing gives the surface a shiny and smooth finish. At Yichen, we help you choose the right finish for your part.
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Laser cutting
- Can cut materials of different hardness, with a wide range of applications
- Before cutting, the contours of multiple parts can be reasonably arranged on a plate to improve material utilization
- The processing process does not rely on molds, and can be cut directly according to the design drawing, with high processing efficiency
- Adopting non-contact processing, there is no need for the tool to contact the workpiece, avoiding dust splashing and oil residue
Bending
- Can process a variety of materials such as metals and plastics, with a wide range of applications
- Can achieve complex bending structures with multiple angles and curvatures, such as U-shaped, Z-shaped, spiral, etc.
- High bending accuracy, the angle and shape of each workpiece can be kept consistent during batch processing
Mould Manufacturing
- Molds can ensure that each batch of products has the same size and meets quality standards
- Suitable for mass production, effectively reducing unit costs and reducing the waste of raw materials
- Can produce products with curved surfaces, micropores, textures, etc. that are difficult to make by hand
- High-quality molds have a long life and are suitable for long-term repeated use
Stamping
- Using automated equipment, a large number of workpieces can be processed per unit time, and the size consistency is good
- Through the reasonable design of layout and precise processing path, the edges and corners of the plate are effectively utilized to reduce the scrap rate, thereby controlling the material cost
- Can process parts with complex shapes such as multiple bends, concave structures, curved surfaces, etc
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