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Precision Grinding

Achieve ultra-tight tolerances and smooth finishes for critical components. Contact us for high-accuracy grinding solutions.

Precision Grinding Process
Precision Grinding Equipment

What is Precision Grinding?

Precision grinding is a high-accuracy machining process used to achieve extremely tight tolerances and fine surface finishes on metal components. At Yicen Precision, our precision grinding services are ideal for critical parts that require exact dimensions, smooth finishes, and consistent quality, such as shafts, bearing surfaces, and tooling components. We handle both small and large-volume jobs with advanced equipment to ensure reliability and repeatability in every part.

Tolerance Table for Precision Grinding

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

Precision Grinding for Ultra-Tight Tolerances and Smooth Surfaces

Yicen Precision delivers precision grinding services for components that demand exact dimensions and high-quality finishes. Using advanced grinding machines, we achieve micron-level tolerances on a wide range of metals. This service is ideal for molds, dies, and parts used in aerospace, medical, and industrial applications. We ensure consistency, repeatability, and surface perfection in every grind.

Precision Grinding Setup

Materials for Precision Grinding

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

Surface Finishing for Precision Grinding

At Yicen Precision, precision grinding delivers exceptionally flat, smooth surfaces with tight dimensional tolerances, ideal for components requiring high accuracy and superior finish quality.

Smooth Surface Finish

Produces fine surface textures with minimal roughness, enhancing both appearance and functional performance.

Versatile Material Compatibility

Effective on a wide range of metals and alloys, including hardened steels, stainless steel, and tool steels.

Post-Process Options

Can be combined with polishing or lapping for even finer finishes and enhanced surface integrity.

Flatness & Parallelism Control

Delivers superior control over flatness and parallelism, making it ideal for parts that demand precise geometric tolerances.

Consistent Dimensional Accuracy

Ensures repeatable, high-precision results across multiple parts, critical for production runs and tight-tolerance components.

Edge Deburring Available

Optional deburring services can remove sharp edges left by grinding, improving handling safety and preparing parts for assembly.

Mirror-Like Finishes (Optional)

With advanced grinding techniques, near-mirror finishes can be achieved for components requiring exceptional visual clarity and ultra-low surface roughness.

Preparation for Coating or Plating

Creates an ideal base surface for subsequent finishes like plating, anodizing, or coating, ensuring better adhesion and uniformity in later processes.

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Turn Concepts Into Precision-Engineered Parts

Yicen Precision specializes in high-precision CNC manufacturing, transforming your ideas into top-quality, functional components with speed and accuracy. Using advanced technology and expert craftsmanship, we deliver production-ready parts built to your exact specifications, no matter the complexity.
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Unlock Superior Accuracy with Yicen Precision’s Precision Grinding Services

In industries where exact dimensions and flawless finishes are critical, precision grinding is the trusted method to achieve exceptional part quality. At Yicen Precision, our grinding services deliver the tight tolerances and smooth surfaces your most demanding applications require.

From aerospace components to medical devices and high-performance automotive parts, precision grinding ensures your parts meet rigorous specifications for fit, function, and durability.

What Is Precision Grinding and When Is It Needed?

Precision grinding is a machining process that uses a rotating abrasive wheel to remove minute amounts of material, achieving highly accurate dimensions and fine surface finishes. It’s essential for parts requiring tolerances in the micron range and surface finishes that exceed conventional machining capabilities.

This service is ideal for shafts, gears, bearing surfaces, and other components where tight control over geometry and finish affects performance and lifespan.

Yicen Precision’s Precision Grinding Capabilities

Our facility is equipped with state-of-the-art CNC and manual grinders designed for:

  • Cylindrical Grinding: For external and internal surfaces of shafts, pins, and rollers.
  • Surface Grinding: Creating flat, smooth surfaces with tight flatness tolerances.
  • Centerless Grinding: High-volume production of small cylindrical parts without centers.
  • Tool and Cutter Grinding: Sharpening and finishing precision tools and cutting instruments.

We work with hardened steels, stainless steel, titanium, carbide, and specialty alloys to deliver parts that consistently meet exacting standards.

Benefits of Choosing Yicen Precision

  • Micron-level tolerances: Achieve dimensional accuracy to ±0.001 mm or better.
  • Superior surface finishes: Typical finishes range from Ra 0.1 to 0.4 microns.
  • Material versatility: Grind both ferrous and non-ferrous metals with expert handling.
  • Flexible batch sizes: From single prototypes to large production runs.
  • Comprehensive quality control: In-process monitoring and final inspection using CMM and surface profilometers.

Complementary Services for Complete Part Readiness

Yicen Precision pairs  grinding with value-added finishing options such as polishing, coating preparation, and part marking. This ensures your components are not only dimensionally perfect but also ready for assembly or further processing.

Trust Yicen Precision for grinding that meets and exceeds your requirements. Contact us today for a personalized quote and discover how our expertise can elevate the quality of your parts.

Yicen Machining Solutions

Whether you’re creating a small batch of custom parts or scaling up for high-volume production, Yicen machining services offer the flexibility you need.
Rapid Prototyping
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 Manufacturing
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.
End-use Production
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.

Insights & Articles

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.

Frequently Asked Questions

Precision Grinding

  • What tolerance levels can you achieve with precision grinding?

    Typically ±0.001 mm or tighter depending on part requirements. 

  • Which materials are suitable for your grinding services?

    We grind steels, stainless steel, titanium, carbide, and more. 

  • Do you offer both manual and CNC precision grinding?

    Yes, we provide both depending on the complexity and volume. 

  • Can you grind internal surfaces?

    Yes, we offer internal cylindrical grinding for precision bores. 

  • Do you provide inspection reports?

    Yes, we offer detailed quality documentation with CMM and surface finish data. 

Get In Touch With Us!
Prompt response guaranteed within 12 hours
🔐 All uploads are secure and confidential