Measurement Surface: Load Capacity ≥ 150 kg/m²

Component Specifications

Definition

A precisely engineered flat surface integrated into measurement tables, serving as a stable reference plane for dimensional inspection, alignment verification, and quality control of manufactured components. It provides a calibrated datum for contact and non-contact measurement instruments.

Working Principle

Provides a geometrically stable reference plane with minimal deflection under load. Measurement instruments (e.g., height gauges, dial indicators, CMM probes) are positioned relative to this surface to obtain accurate dimensional data from workpieces placed upon it.

Materials

Granite (black or gray, fine-grained), hardened tool steel (AISI D2, O1, or similar), or ceramic composite. Surface hardness typically exceeds 60 HRC for metallic versions, with granite offering superior dimensional stability and vibration damping.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Load Capacity	≥ 150 kg/m²
Standard Size	600 × 900 mm to 2000 × 4000 mm
Surface Finish	Ra ≤ 0.4 μm
Flatness Tolerance	≤ 0.005 mm/m
Reference Edge Squareness	≤ 0.01 mm/300 mm
Thermal Expansion Coefficient	≤ 1.2 × 10^-6 /°C (granite)

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 8512-2, DIN 876, ISO 10360-2

Parent Products

This component is used in the following industrial products

Measurement Table

A stable, flat surface used for precise measurement and inspection of components in quality control processes.

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Engineering Analysis

Risks & Mitigation

Surface contamination affecting measurements
Thermal expansion causing dimensional errors
Mechanical damage from impact or overload
Improper cleaning leading to corrosion or wear

FMEA Triads

Trigger: Accumulation of dust, oil, or chips on surface
Failure: Inaccurate measurement readings due to inconsistent workpiece contact
Mitigation: Implement regular cleaning protocols using approved solvents and lint-free cloths; use protective covers when not in use

Trigger: Exposure to temperature fluctuations exceeding ±2°C
Failure: Dimensional instability and flatness deviation beyond tolerance
Mitigation: Install in temperature-controlled environments; allow thermal stabilization before critical measurements

Trigger: Impact from dropped tools or workpieces
Failure: Localized surface damage creating measurement artifacts
Mitigation: Establish handling procedures; use edge protectors; implement tool control near measurement area

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Flatness per ISO 8512-2 Grade 00 or better; surface roughness per ISO 4287

Test Method

Laser interferometry, electronic level, or precision straightedge with feeler gauges; verification per ISO 10360-2 for CMM applications

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

Compare the published product scope and source details, then include your specifications and quantity in an enquiry.

Manufacturers of Measurement Surface

Manufacturer profiles associated with Measurement Surface.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the difference between granite and steel measurement surfaces?

Granite offers better dimensional stability, vibration damping, and corrosion resistance, while steel surfaces provide higher impact resistance and can be magnetized for holding ferromagnetic workpieces.

How often should a measurement surface be calibrated?

Annual calibration is recommended for general industrial use, with quarterly verification in high-precision applications. Environmental conditions and usage frequency may require more frequent checks.

Can measurement surfaces be repaired if damaged?

Minor scratches on granite can be lapped, while steel surfaces may be reground. Deep damage typically requires replacement, as repair may compromise flatness specifications.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Measurement Surface