The granite inspection platform is a precision measuring tool made of natural granite, which has the characteristics of high precision, wear resistance, acid and alkali resistance, and strong stability. It is widely used in mechanical manufacturing, laboratory testing and other fields.
Based on the plane reference positioning as the core, the tested workpiece is placed on a high-precision plane of the granite platform. Using measuring tools such as dial indicators, micrometers, level gauges, projectors, etc., the deviation between the workpiece surface and the platform reference plane is compared to achieve the detection of dimensional, parallelism, perpendicularity, flatness and other positional tolerances; It can also serve as a reference platform for equipment installation, ensuring the levelness and coaxiality of equipment installation.
The core characteristics of high stability granite are mainly composed of quartz and feldspar, with uniform texture and low coefficient of linear expansion. It is less affected by environmental temperature changes and is not easily deformed after long-term use, maintaining accurate flatness. High hardness and good wear resistance. The Mohs hardness can reach 6-7 levels, and the surface hardness is much higher than that of cast iron platforms. It is not easily scratched or worn by workpieces and has a long service life. Granite has strong corrosion resistance, stable chemical properties, and is not easily corroded by corrosive media such as acid and alkali. It is suitable for use in damp and slightly corrosive workshop or laboratory environments. Non magnetic and non-conductive, it does not generate magnetic field interference and has no impact on precision electromagnetic detection equipment and magnetic workpiece measurement. At the same time, its insulation properties can avoid electrostatic interference. After precise grinding and polishing, the flatness error can be controlled at the micrometer level to meet the requirements of high-precision detection. The common accuracy levels are divided into 000 level, 00 level, 0 level, and 1 level (with decreasing accuracy).
Usage Specifications
When placing the workpiece, handle it gently to avoid hitting the platform surface and prevent dents or edge breakage.
Before measurement, the platform surface and workpiece surface need to be cleaned to remove impurities such as dust and iron filings, in order to avoid affecting measurement accuracy.
Welding, cutting, and other high-temperature operations are prohibited on the platform surface to prevent material damage.
Maintenance and Care
Wipe the surface with a clean cloth after daily use to keep it clean and dry; When not in use for a long time, it is necessary to cover it with a rust and dust cover.
Avoid contact with sharp hard objects. If there are slight scratches on the surface, the accuracy can be repaired by re grinding.
It is strictly prohibited to stack heavy objects on the platform to prevent long-term deformation under pressure.