Surface grinding is a critical finishing process used to achieve exceptional flatness, tight thickness control, and superior surface quality on precision metal parts. For hard-to-machine and high-performance materials, surface grinding often represents the final step that defines functional accuracy.

At EadeTech, surface grinding is applied to titanium alloys, nickel-based superalloys, tungsten, molybdenum, hardened steels, and precision tool materials, supporting aerospace, medical, electronics, and industrial applications where dimensional stability and surface integrity are non-negotiable.

What Is Surface Grinding?

Surface grinding removes material using a rotating abrasive wheel, producing extremely flat surfaces and consistent thickness. Unlike milling, grinding uses abrasive cutting action, enabling micron-level accuracy and excellent surface finish even on very hard materials.

Key characteristics:

• High flatness and parallelism

• Excellent surface finish

• Minimal material removal per pass

• Ideal for hardened or stress-sensitive parts

Why Surface Grinding Is Essential for Special Materials

High-performance alloys often present challenges such as:

• Residual stress after CNC machining

• Tool marks affecting functional surfaces

• Thickness inconsistency on thin parts

Surface grinding corrects these issues by removing minimal material while maintaining thermal and dimensional stability, making it ideal for precision mating surfaces, sealing faces, and reference planes.

Surface Grinding Capabilities at EadeTech

• Maximum grinding area: 800 × 400 mm

• Thickness tolerance: ±0.002 – ±0.005 mm

• Flatness: ≤0.003 mm / 300 mm

• Surface roughness: Ra 0.2 – 0.8 μm

• Wheel types: Aluminum oxide, silicon carbide, CBN, diamond

Table 1: Surface Grinding Accuracy & Performance

Materials Suitable for Surface Grinding

Surface grinding is particularly effective on hard, brittle, or heat-sensitive materials where precision is critical.

Table 2: Commonly Ground Materials

Typical Surface Grinding Applications

• Precision reference surfaces

• Aerospace structural plates

• Medical device base components

• Mold and die plates

• Precision spacers and shims

Table 3: Industry Applications

Grinding Wheel Selection & Process Control

Correct wheel selection is critical for surface grinding success. EadeTech engineers select wheels based on:

• Material hardness

• Thermal sensitivity

• Surface finish requirement

• Stock removal rate

Table 4: Grinding Wheel Selection Guide

Quality Control & Inspection

All surface-ground parts undergo strict inspection to ensure consistency and reliability:

• CMM flatness and thickness verification

• Surface roughness testing

• Parallelism and squareness measurement

• Visual inspection for burns or micro-cracks

Table 5: Surface Grinding Inspection Standards

Why Choose EadeTech for Surface Grinding

• Expertise in specialty and refractory metals

• Micron-level accuracy and repeatability

• Controlled grinding for thin or stress-sensitive parts

• Seamless integration with CNC machining, EDM, and finishing

Learn more at https://www.eadetech.com.