A granite XY table, also known as a granite surface plate, is a precision measuring tool that is commonly used in the manufacturing and engineering industries. It is a flat, level table made out of granite, which is a dense, hard, and durable material that is resistant to wear, corrosion, and thermal expansion. The table has a highly polished surface that is ground and lapped to a high degree of accuracy, typically within a few microns or less. This makes it ideal for measuring and testing the flatness, squareness, parallelism, and straightness of mechanical components, tools, and instruments.
The granite XY table consists of two main parts: the granite plate and the base. The plate is usually rectangular or square in shape and comes in different sizes, ranging from a few inches to several feet. It is made of natural granite, which is quarried from a mountain or a quarry and processed into slabs of varying thicknesses. The plate is then carefully inspected and selected for its quality and precision, with any flaws or defects being rejected. The surface of the plate is ground and lapped to a high precision, using abrasive tools and fluids to remove any surface imperfections and create a smooth, flat, and even surface.
The base of the granite XY table is made of a rigid and stable material, such as cast iron, steel, or aluminum. It provides a solid and stable support for the plate, which can be bolted or attached to the base using leveling screws and nuts. The base also has feet or mounts that allow it to be secured to a workbench or floor, and to adjust the height and levelness of the table. Some bases also come with built-in lathes, milling machines, or other machining tools, which can be used to modify or shape the components being measured.
The granite XY table is widely used in many industries, including aerospace, automotive, medical, semiconductor, and optics. It is used to measure and test the accuracy and quality of parts, such as bearings, gears, shafts, molds, and dies. It is also used to calibrate and verify the performance of measuring instruments, such as micrometers, calipers, surface roughness gauges, and optical comparators. The granite XY table is an essential tool for any precision workshop or laboratory, as it provides a stable, accurate, and reliable platform for measuring and testing mechanical components and instruments.
In conclusion, the granite XY table is a valuable asset for any precision manufacturing or engineering operation. It provides a solid, stable, and accurate platform for measuring and testing mechanical components and instruments, and it helps to ensure the quality and reliability of the products being produced. The use of a granite XY table is a testament to the commitment to excellence and precision in manufacturing and engineering, and it is a symbol of the technological advancement and innovation that is the hallmark of modern industry.
Post time: Nov-08-2023