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Surface Grinding

Flat, smooth surfaces with exact thickness control ideal for tool and die applications. Reach out for expert service.

Surface Grinding Operation
Surface Grinding Process

What is Surface Grinding?

Surface grinding is a precision machining process used to create smooth, flat surfaces on metal or non-metal parts with high accuracy. At Yicen Precision, our surface grinding services ensure tight tolerances and excellent surface finishes, making it ideal for components that require exact thickness, parallelism, or flatness. This process is commonly used in tooling, die making, and high-precision engineering applications.

Tolerance Table for Surface Grinding

Parameter Specification
Dimensional Tolerance ±0.002 mm to ±0.01 mm
Flatness Tolerance ≤ 0.002 mm per 100 mm
Parallelism Tolerance ≤ 0.003 mm per 100 mm
Surface Finish (Ra) 0.1 – 0.8 µm
Part Size Capacity Up to 1200 mm x 500 mm
Thickness Tolerance ±0.005 mm to ±0.01 mm

Precision Surface Grinding for Flat, Smooth Finishes

Yicen Precision provides surface grinding services to achieve high-precision flatness and fine surface finishes on metal parts. Using advanced grinding equipment, we remove material with accuracy down to the micron level. This process is ideal for tooling, die components, and parts requiring exact thickness. We ensure tight tolerances and consistent quality across all projects.

Precision Surface Grinding

Materials for Surface 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.

5052 H32 Aluminum
6061 T6 Aluminum
7075 T6 Aluminum
MIC6 Aluminum

Naval Brass
Free-Cutting Brass
Cartridge Brass

Gray Cast Iron
Ductile Cast Iron
Malleable Cast Iron

A36 Steel
1018 Steel
1020 Steel

304 Stainless Steel
316 Stainless Steel
410 Stainless Steel

ABS
PVC
Acrylic
Nylon

Grade 2
Grade 5 (Ti-6Al-4V)

Surface Finishing for Surface Grinding

At Yicen Precision, our surface grinding finishing services ensure your parts achieve precise flatness, superior surface quality, and the ideal finish for both prototyping and production needs.

As-Ground Finish

The default finish from surface grinding flat, dimensionally accurate, with fine linear grind marks. Ideal for functional prototypes where flatness and parallelism are critical.

Polishing

Used after grinding to reduce surface roughness and enhance reflectivity. Commonly applied when a smoother or more aesthetic finish is needed, especially on metal parts.

Lapping

An ultra-precise finishing method that follows grinding to achieve extremely tight tolerances, low surface roughness, and superior flatness. Ideal for high-precision components.

Honing

A fine abrasive process used after grinding to refine surface finish and improve dimensional accuracy, especially for holes or cylindrical features.

Bead Blasting

Applies fine media to create a uniform, matte finish that reduces glare and masks minor surface imperfections on ground parts.

Deburring

Removes sharp edges or burrs left from grinding, improving handling safety and preparing the part for further finishing or assembly

Electropolishing

An electrochemical process that smooths and brightens metal surfaces after grinding, reducing roughness and enhancing corrosion resistance.

Coating (Protective or Decorative)

Adds protective or functional coatings such as plating, anodizing, or powder coating after grinding to improve corrosion resistance, wear performance, or aesthetics.

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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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Achieve Flawless Precision with Yicen Precision’s Expert Surface Grinding Services

When it comes to delivering parts with ultra-smooth finishes and tight dimensional tolerances, surface grinding is essential. At Yicen Precision, our surface grinding services provide the precision and finish your critical components require whether for prototypes or high-volume production.

Surface grinding is a key finishing process that removes small amounts of material to create flat, smooth surfaces with exceptional accuracy. This service is vital for applications where surface quality impacts performance, such as in aerospace, automotive, medical devices, and tooling industries.

What Is Surface Grinding and Why Is It Important?

Surface grinding uses a rotating abrasive wheel to smooth and flatten metal or plastic surfaces. It’s capable of achieving finishes far superior to milling or turning alone, with tolerances often within microns.

This process corrects warping, removes excess material, and creates parallel surfaces necessary for parts that require precise fits and sealing.

Yicen Precision’s Surface Grinding Capabilities

Equipped with advanced surface grinders, we handle a variety of materials including hardened steels, stainless steel, aluminum, brass, and engineering plastics. Our machines support both manual and CNC-controlled grinding for consistent, repeatable results.

Key features include:

  • High precision flatness: Achieve surface finishes down to Ra 0.2 microns
  • Tight tolerance control: Maintain dimensional accuracy within ±0.001 mm
  • Versatility: Grind parts ranging from small components to large plates
  • Efficiency: Fast setup and grinding cycles to meet tight deadlines

Applications Where Surface Grinding Makes a Difference

Surface grinding is critical in manufacturing:

  • Precision tooling and dies
  • Hydraulic components and valve seats
  • Automotive parts such as cams and transmission components
  • Aerospace structural parts requiring flat mating surfaces
  • Medical implants and surgical instruments with exact surface requirements

Any application demanding flatness, smoothness, and tight tolerance benefits from professional surface grinding.

Value-Added Services for a Complete Solution

Beyond grinding, Yicen Precision offers complementary finishing services such as polishing, deburring, and coating preparation. We also provide detailed inspection reports using CMM and surface roughness testers to ensure your parts meet exact specifications.

Our commitment to quality ensures your parts are ready for the next manufacturing step or direct assembly.

Why Choose Yicen Precision for Surface Grinding?

We combine skilled operators, modern equipment, and strict quality control to deliver flawless surface finishes that improve your product’s performance and longevity. Our flexibility in handling both small batches and large production runs makes us a reliable partner for manufacturers seeking precision.

If your parts require the highest quality flatness and finish, trust Yicen Precision’s surface grinding experts. Contact us for a consultation and fast quote experience precision grinding that enhances your product’s value.

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

Surface Grinding

  • What surface finish can you achieve?

    Typical finishes are as smooth as Ra 0.2 microns. 

  • How tight are your tolerances?

    We maintain tolerances within ±0.001 mm. 

  • Can you handle large or small parts?

    Yes, we grind parts from tiny components to large plates. 

  • Is surface grinding suitable for hardened materials?

    Absolutely, we specialize in grinding hardened steels. 

  • How long does a typical grinding job take?

    Turnaround varies but most jobs complete within days depending on size and complexity. 

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