Application of Granite Bases in Coordinate Measuring Machines (CMM)Granite is the core reference carrier for the vast majority of stationary CMMs other than bridge-type, gantry-type, and portable ones. Due to its physical properties, it has become the preferred base material for precision geometric measurement, determining the equipment’s reference accuracy, operational stability, and service life.I. Core…
The granite base is the core support and precision reference of the 2D imaging system, directly determining the equipment’s long-term stability, measurement accuracy, and environmental adaptability, serving as the “foundation” of precision measurement. Granite BaseI. Core Role: Why Granite Must Be UsedUltra-high Rigidity Extremely Low Deformation: 00-grade natural granite (such as Jinan Green) has high…
Industrial-Grade Precision Granite Platform Application Scenarios Detailed DescriptionRelying on core characteristics such as excellent thermal stability, strong vibration absorption, long-lasting precision, wear and corrosion resistance, and non-magnetic properties, the precision granite platform has become the core reference carrier in high-end precision manufacturing, inspection, and scientific research fields. The following is a complete description categorized by…
I. Product OverviewThe industrial-grade granite precision platform, also known as a marble precision platform or granite inspection platform, is a high-precision reference gauge and supporting base made from high-quality natural black granite (such as Jinan Green, Taishan Green, etc.) as raw material, processed through multiple steps including strict material selection, natural aging, and precision grinding….
Marble square (commonly referred to as granite square) is a high-precision right-angle reference gauge. Its core purpose is to provide a stable 90° reference surface for inspecting and calibrating flatness, perpendicularity, and straightness, and it is widely used in precision machining, metrological inspection, and equipment installation. I. Core Applications (Four Major Scenarios) II. Core Characteristics…
Marble Square Box vs. Cast Iron Square Box: ComparisonI. Core Performance1. Precision and Stability- Marble Square Box: Resistant to thermal expansion and contraction, maintains good precision over long-term use, suitable for high-precision measurements.- Cast Iron Square Box: Easily deformed by temperature and external forces, resulting in faster precision decay; mostly used in general working conditions.2….
Air-bearing multi-axis precision motion platform Product AdvantagesZero mechanical friction, no wearRelies on compressed air to form a 0-15μm air film for levitation, with no physical contact between the slider and the base. There is no guide rail wear or iron filings, the precision does degrade over long-term use, and the granite base has a service…
Air-bearing multi-axis platform accuracy specificationNanometer-level accuracy can be achieved1 Nanometer-level indicators (000-grade granite base voice coil / linear motor nanometer grating)Positioning accuracy: ±0.05μm (50nm) ~ ±0.2μm (200nm)Repeatability: 10nm ~ 50nmSingle-axis straightness: ≤0.5μm/mMinimum step size: up to 5nm2 Essential conditions for implementationBase: 000-grade Jinan black granite, constant temperature 20±1℃, aged and stress-relieved;Air-bearing: Porous air bearing, air…
Air-Floating Multi-Axis Precision Motion PlatformI. Product IntroductionUsing 000/00 grade natural granite as the reference base, it adopts an air bearing non-contact levitation linear/voice coil direct drive structure, with no mechanical friction and no backlash. Combined with a grating closed-loop control system, it forms multi-axis linked precision motion systems such as XY, XYZ, and XYθ. Relying…
Applicable Standards: GB/T20428, ISO8512-2, DIN876, ISO230-1; Test Ambient: 20℃±1℃, RH40%~60%, Vibration Grade VC-E, Clean Dust-free Environment Part 1: Granite Base Geometric Precision (Benchmark Surface) Precision Grade Flatness Tolerance(μm per meter) Surface Roughness Ra Adjacent Surface Squareness Typical Application Grade 000 (Ultra-precision) ≤1.0 ≤0.05μm ≤1.5μm/m Semiconductor, Lithography, Nano Inspection Stage Grade 00 (High Precision) ≤2.0 ≤0.10μm…
