Skip to content Achieve exceptionally tight tolerances and flawless finishes for critical components. Our precision grinding services deliver high accuracy, ensuring the most demanding parts meet the highest standards. With advanced machinery and expert craftsmanship, we guarantee smooth surfaces and superior performance for every project, from prototyping to full-scale production.
Precision grinding is a high-accuracy machining technique used to achieve extremely tight tolerances and smooth finishes on metal components. Our precision grinding services are designed for critical parts that demand precise dimensions, superior finishes, and consistent quality such as shafts, bearing surfaces, and tooling components. Whether handling small or large-volume projects, we use advanced equipment to ensure reliable, repeatable results for every part.
| Grinding Type | Typical Tolerance Range (mm) | Surface Finish (Ra, µm) | Application Examples |
|---|---|---|---|
| Surface Grinding | ±0.002 to ±0.01 | 0.1 – 0.8 | Die plates, flat tooling components, fixture bases |
| Cylindrical Grinding (OD/ID) | ±0.001 to ±0.005 | 0.2 – 0.6 | Shafts, bushings, hydraulic spools |
| Centerless Grinding | ±0.001 to ±0.005 | 0.1 – 0.4 | High-volume pins, rods, tubes |
| Form Grinding | ±0.002 to ±0.01 | 0.2 – 0.6 | Gear profiles, punch dies, custom contours |
| Jig Grinding | ±0.001 to ±0.003 | 0.1 – 0.3 | Precision holes, mold cavities, aerospace parts |
| Flat Lapping / Honing | ±0.0005 to ±0.003 | 0.05 – 0.2 | Optical components, sealing surfaces |
We provide precision grinding services for components requiring precise dimensions and exceptional surface quality. Using state-of-the-art grinding machines, we achieve micron-level tolerances on various metals. This service is perfect for creating molds, dies, and components used in industries such as aerospace, healthcare, and manufacturing. Every grind ensures consistency, repeatability, and flawless surface finishes.
Engineers and leading manufacturers trust Yicen Precision for fast iterations and durable, high-performance parts. Whether for prototyping or full-scale production, our extensive material selection ensures precision, strength, and reliability for any CNC machining project.
Steel
Cast Iron
Tool Steel
Aluminum
Brass
Copper
Carbide
Ceramics
Austenitic Stainless Steel
Martensitic Stainless Steel
Inconel
Hastelloy
Monel
PEEK
PTFE
UHMW
Nylon
At Yicen Precision, precision grinding delivers exceptionally flat, smooth surfaces with tight dimensional tolerances, ideal for components requiring high accuracy and superior finish quality.
Removes sharp edges and burrs created during cutting to improve safety and provide a clean, finished look.
Uses high-pressure blasting with fine media to create a smooth, matte surface. Ideal for achieving a uniform finish and removing minor imperfections.
Removes oxidation, scale, and surface contaminants to restore and prepare metal surfaces after cutting.
Applies a uniform, subtle texture using abrasive brushes for an attractive and tactile surface.
Mechanically smooths surfaces to achieve a high-gloss, reflective finish—ideal for decorative or consumer-facing parts.
Smooths and rounds edges of small parts by vibrating them with abrasive media, improving finish and handling safety.
Applies a durable, protective coating that improves corrosion resistance and allows for various color options. Perfect for functional and aesthetic applications.
Adds a corrosion-resistant oxide layer to aluminum parts and enables a range of color options for both protection and aesthetics.
We specialize in converting your ideas into high-quality, functional components with unparalleled speed and accuracy. With advanced technology and expert craftsmanship, we create parts that meet the most complex specifications.
CNC rapid prototype machining is perfect for creating engineering or production prototypes that closely resemble the final product in both appearance and functionality. At Yicen, we offer instant quotes and fast delivery, providing you with precise, high-quality CNC machined prototypes for your needs.
Low volume CNC machining often acts as a bridge between prototyping and mass production for new and emerging production. With Yicen, this process becomes easier, more efficient, and cost-effective, allowing you to scale production quickly while maintaining high-quality standards.
CNC production machining is the best solution for producing a thousand parts or more efficiently. Leveraging a diverse selection of materials and automation and multi-axis capabilities, Yicen delivers high-volume production with tight tolerances, superior dimensional accuracy, high reliability and fast turnaround times.
Explore Machining services blog for expert insights on CNC machining, industry trends, manufacturing tips, and technology updates—designed to keep you informed, inspired, and ahead in precision engineering.
Do you offer custom grinding services for specialized applications?
Yes, we specialize in custom grinding services for unique applications. Whether you’re developing a new product or need specialized grinding for a specific material or geometry, Yicen Precision can tailor our grinding processes to meet your precise needs. We work closely with clients to understand their requirements and deliver high-quality solutions that match their specifications.
Can you grind parts with different geometries and features?
Yes, precision grinding is highly versatile and can accommodate parts with various geometries, including flat, cylindrical, tapered, or complex shapes. We can also grind internal and external features such as grooves, holes, and threads. Whether your part requires simple grinding or intricate form grinding, our advanced machinery and expertise can handle a wide range of design specifications.
How do you ensure the quality of parts during precision grinding?
We employ rigorous quality control processes at every stage of precision grinding. Our team conducts frequent inspections and measurements to ensure parts meet the specified tolerances and surface finishes. We use advanced measuring tools such as coordinate measuring machines (CMM) and profilometers to verify that each part meets the required dimensions and quality standards.
What are the different types of precision grinding methods?
Yicen Precision offers a variety of precision grinding methods, including surface grinding, cylindrical grinding, internal grinding, and form grinding. Each method is suited to different types of workpieces and specific surface finish or dimensional requirements. Surface grinding is ideal for flat surfaces, while cylindrical and internal grinding are used for producing round, tapered, or bore geometries.
How accurate is your precision grinding service?
Our precision grinding service offers extremely tight tolerances, typically within ±0.001 inches (0.025 mm), depending on the material and type of grinding. Whether you’re working with complex geometries or need a smooth surface finish, our machines and skilled operators ensure that each part meets the required specifications for quality and performance.
What is the maximum size of the parts you can precision grind?
At Yicen Precision, we can precision grind parts of varying sizes, depending on the complexity and type of grinding needed. Our grinding machines can accommodate parts up to 24 inches in diameter and up to 20 inches in length. Larger parts may require special equipment or techniques, and we can discuss specific requirements based on your project’s needs.
What are the applications of precision grinding?
Precision grinding is widely used in industries that require high-performance parts with tight tolerances and superior surface finishes. Common applications include aerospace components, automotive engine parts, medical devices, tooling, and electronics. This process is ideal for parts that need precise dimensions, smooth surfaces, or specific features like grooves, flat surfaces, or cylindrical shapes.
What is the difference between precision grinding and traditional grinding?
Precision grinding focuses on achieving extremely tight tolerances, superior surface finishes, and geometrically complex shapes. While traditional grinding methods are often used for rough material removal, precision grinding is a more controlled and refined process, designed to meet specific design requirements and achieve higher levels of accuracy and surface integrity.
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