PRECI5
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Sub-Micron Finishing Solutions

Precision Industrial Grinding Services

PRECI5 delivers ultra-precise abrasive machining solutions engineered for tight tolerances down to ±0.001 mm and Ra 0.05 µm surface finishes. From flat geometry finishing to internal bores and outer cylindrical diameters, our multi-axis CNC grinding centers guarantee dimensional reliability across hardened alloys and exotic materials.

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±0.001 mm Tolerance Window
Ra 0.05 Surface Roughness (µm)
62+ HRC Hardened Steel Capability
100% CMM Metrology Verified
Process Benchmark

Precision Grinding Capabilities Matrix

Compare fundamental kinematic grinding operations provided by PRECI5 to identify optimal production pathways for your precision wear parts, shafts, and tooling assemblies.

Attribute Surface Grinding Internal Cylindrical Grinding External Cylindrical Grinding
Primary Materials Tool Steel, Stainless (300/400), Tungsten Carbide, Inconel, Cast Iron Carburized Steel, 52100 Bearing Steel, Ceramics, Bronze, Hardened Alloys 4140, 4340, High-Speed Steel (HSS), Titanium, Chrome-plated Substrates
Kinematic Process Reciprocating or rotary tables with horizontal/vertical spindles for absolute flatness High-speed internal quill spindles maintaining concentricity and inner bore circularity Center-type and centerless plunge/traverse grinding of multi-stepped outer surfaces
Key Applications Mold bases, fixture plates, precision shims, valve blocks, machine tool guideways Hydraulic cylinders, bearing rings, precision gear hubs, high-pressure fuel valves Motor shafts, drive axles, transmission pins, spindle shafts, robotic armature pins
Standard Lead Time 3–5 Business Days (Prototypes)
Fast-track tooling available		 5–7 Business Days
Includes internal runout validation		 4–6 Business Days
Centerless batches available
Manufacturing Action Configure Surface Quote → Configure Bore Quote → Configure OD Quote →
Quality Assurance

Stringent Metrology & Surface Integrity

Grinding is an abrasive micro-machining process demanding strict thermal stability and vibrational control. At PRECI5, our climate-controlled grinding workshops ensure zero thermal drift during critical inspection stages.

01

Geometric Roundness & Cylindricity

Mitutoyo and Zeiss roundness measuring instruments measure total radial runout and circular deviation down to 0.5 microns on external and internal turned surfaces.

02

Surface Texture Profilometry

High-resolution stylus and optical profilometers inspect Ra, Rz, and Rmax parameters to eliminate chatter marks and micro-cracking caused by abrasive wheels.

03

Microstructure & Temper Control

Strict monitoring of grinding wheel coolant delivery prevents thermal burns, ensuring the surface integrity, residual stress profiles, and core hardness of components remain intact.

Knowledge Base & Specifications

Grinding Engineering Guides & Capabilities

Explore technical case studies, machining standards, and operational guidelines regarding surface, ID, and OD grinding configurations supported by PRECI5.

Fast Quoting

Submit Grinding Specs for Review

Upload 2D mechanical prints (PDF/DXF) showing geometrical tolerancing or 3D CAD files (STEP/IGES). PRECI5 manufacturing engineers inspect drawing notes, concentricity parameters, and surface roughness requirements within 12 hours.

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DFM feedback on abrasive selection, wheel clearances, and center holes

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Rapid single-piece samples to high-volume centerless runs

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Full dimensional CMM report and certificate of raw materials

Metrology Reference

All final grinding dimensions are evaluated at 20°C standard reference ambient condition compliant with ISO 1 standard temperatures.