Granite inspection surface plate – SA95

The granite inspection surface plate is one of the most widely used reference instruments for dimensional and geometric inspections because it provides a stable, flat and reliable reference surface for components and measuring instruments. A granite inspection surface plate is not simply a workbench, but a precision inspection base designed to perform checks using a dependable geometric reference, both in production environments and metrology rooms.

Granite inspection surface plates are used whenever machined components must be checked, measurements with indicators and height gauges must be performed, geometric comparisons are required or a correct setup for instrument verification and calibration must be created. In this context, the granite inspection surface plate becomes the starting point for many inspection operations because the quality of the reference directly affects the quality of the measurement.

An inspection surface plate of this type is especially useful together with instruments such as height gauges, indicators, supports, squares, gauge blocks and other bench measuring instruments. Its function is to provide a correct reference surface on which the component or instrument can be positioned, avoiding inspections being affected by unstable or unsuitable support surfaces.

Granite inspection surface plates are suitable both for production use and for more accurate applications in metrology rooms. In production they are often used for rapid dimensional inspections and checks on machined components, while in metrology rooms they are used for more accurate inspections and verification or calibration activities requiring a higher-quality reference surface.

The surface plate can be supplied in grade 0 or grade 00, allowing the most suitable version to be selected according to the required inspection level. Grade 0 is suitable for accurate technical inspections and many workshop or quality control applications, while grade 00 is intended for higher-level metrology applications.

Another important aspect is the possibility of having the granite inspection surface plate with or without support stand. This makes the workstation configuration more flexible: in some cases the plate is installed on an existing support structure, while in other cases a complete station with dedicated stand is more practical.

From a dimensional point of view, granite inspection surface plates are available in sizes up to 2000 x 1000 mm, covering both compact applications and inspections on larger components requiring a wider reference surface. This makes the product suitable for many different uses, from small component inspections to dimensional checks on larger mechanical parts.

In summary, the granite inspection surface plate is a fundamental technical reference for anyone needing to inspect components, use bench measuring instruments or carry out verification and calibration activities using a stable and reliable geometric reference surface.

Applications

• Dimensional inspection of machined components
• Use with height gauges, indicators and measuring supports
• Geometric verification of parallelism, heights and supporting surfaces
• Verification and calibration of measuring instruments
• Production measuring stations
• Use in metrology rooms for more accurate inspections
• Reference base for marking and comparative operations
• Inspection of mechanical components on a flat reference surface

FAQ – Granite inspection surface plate

What is a granite inspection surface plate?
It is a reference surface used for dimensional and geometric inspections, providing a stable and reliable support surface.

What is an inspection surface plate used for?
It is used as a reference base for checking components, using measuring instruments, carrying out geometric comparisons and performing calibration or verification operations.

What is the difference between a granite inspection surface plate and a normal workbench?
A granite inspection surface plate is a precision measuring reference, while a normal workbench is not designed to guarantee the same level of geometric reliability during inspections.

Why are granite inspection surface plates used?
Because they provide a stable and accurate reference surface for dimensional and geometric inspections and are very useful as a measuring reference base.

Where are granite inspection surface plates most commonly used?
They are used both in production departments and in metrology rooms, depending on the required inspection type and accuracy level.

Can a granite inspection surface plate be used with height gauges?
Yes, this is one of the most common applications because the plate provides the correct reference surface for height gauge inspections and other bench measuring instruments.

Are granite inspection surface plates only used for inspecting components?
No, they are also widely used for verification and calibration of measuring instruments as well as for setting up stable measuring stations.

What is the difference between grade 0 and grade 00?
Grade 0 is suitable for accurate technical inspections and many quality control applications, while grade 00 is intended for higher-accuracy metrology applications.

Can the granite inspection surface plate be supplied with a support stand?
Yes, it can be supplied either with or without a support stand according to the required configuration.

When is it useful to request the support stand as well?
It is useful whenever a complete workstation must be created or when no suitable structure is already available to properly support the plate.

What sizes are available for granite inspection surface plates?
Available sizes go up to 2000 x 1000 mm, covering both compact applications and inspections on larger components.

Are granite inspection surface plates only suitable for metrology rooms?
No, they are also widely used in production environments whenever a reliable geometric reference surface is required for dimensional inspections.

What measuring instruments are most commonly used on a granite inspection surface plate?
Height gauges, indicators, supports, squares, gauge blocks and other bench measuring instruments are commonly used for inspections, comparisons and dimensional checks.

What are the most common mistakes when using an inspection surface plate?
The most common mistakes are using the plate with dirty surfaces, placing components or instruments without adequate cleaning or treating it as a normal workbench instead of a measuring reference.