NEWS

Ultra-precision motion system: A comprehensive analysis of industrial applications of granite air-bearing platformsite air-bearing platform = natural granite high-stability base hydrostatic air bearing air-bearing guide linear motor direct-drive multi-axis motion system. It is the core carrier for current industrial nano-level positioning, frictionless high-speed scanning, and long-term high-stability operating conditions. It fundamentally solves the four major…

Complete Grinding Process for Precision Granite (Marble) Inspection PlatformsThe measurement platforms used in the industry actually utilize Jinan Qinghei Granite (commonly known as marble platforms). The 0-grade / 00-grade high-precision six-sided grinding process consists of five core stages: preliminary stress relief pre-treatment, multi-stage mechanical grinding, manual matching grinding, constant temperature stabilization, and full-size precision inspection….

Precision Equipment: Material Selection Comparison of Ceramics, Metals, and Granite Complete Selection LogicI. Overview of Core Characteristics (Quick Differentiation) Performance Requirement Granite Metal Precision Ceramic Large stationary base, cost-sensitive ✅ First choice ❌ Not recommended Alternative (higher cost) Lightweight high-speed moving components ❌ Excessively heavy ✅ Top pick for standard precision ✅ Top pick for…

Ceramics in precision equipment combine the comprehensive characteristics of both metals and stone. I. Similar advantages compared to stone (granite / commonly used ceramic bases)High dimensional stability, extremely low thermal expansionLike granite, the thermal expansion coefficient is extremely small, making it resistant to deformation under temperature changes. Precision measurement and laser equipment maintain long-term operational…

Anti-cracking process and structural reinforcement technology for granite precision platform basesThe tensile strength of granite is extremely low (only 8~14MPa), making it highly susceptible to micro-cracks and through-cracks caused by residual mining stress, machining cutting stress, thermal stress from temperature changes, concentrated loads, and hard assembly compression. The complete technology is divided into six major…

Granite Precision Instrument Components: Raw Material → Finished Product Processing Full-Process Calibration TechnologyApplicable Products: CMM bases, semiconductor metrology platforms, machine tool beds, optical inspection reference tables (Grade 00 / Grade 000 high-precision granite components)The overall process is divided into seven complete stages: Raw Material Selection → Rough Machining and Shaping → Stress Aging and Stabilization…

I. Positioning: High-speed precision automation motion reference carrier vibration-damping rigid frameworkOrdinary steel guide rails only serve the guiding function; the integrated granite linear guide integrates the guide surface, equipment base, and crossbeam into one. It is the core foundation for high-speed linear motors, gantry automation, optical inspection, and semiconductor packaging equipment. Simultaneously, it carries four…

Comprehensive Interpretation of Precision Large Granite and Manual Nano-level GrindingI. Basic Premise: Why Choose Granite as a Precision ReferenceThe natural physical advantages of granite form the underlying foundation for achieving nano-precision:Extremely low coefficient of thermal expansion, with almost no dimensional change in a constant temperature environment;No internal metal stress, rust-proof, and non-magnetic;Dense and uniform texture,…

Complete Application Fields of Silicon Carbide Ceramic Precision Equipment Bases (Including Integrated Water-Cooled Bases) Silicon carbide bases, relying on five core advantages—high specific stiffness, high thermal conductivity, low thermal expansion, wear resistance/cleanliness, and the ability to integrate water-cooling channels—replace granite, cast iron, aluminum alloy, and alumina ceramics. They are primarily used in nanometer-scale ultra-precision equipment,…

Application Field Product Type Key Precision Indicators (Reference Surface) Thermal Performance Indicators Mechanical / Vibration Resistance Indicators Core Application Requirements Advanced Lithography Machines (EUV / ArF Immersion) Integrated Water-Cooled SiC Machine Base / Reticle Stage Base Flatness ≤0.05μm/mStraightness ≤0.03μm/mPerpendicularity ≤0.05μm/mSurface Roughness Ra ≤0.01μm Thermal Conductivity ≥180W/(m·K)Coefficient of Linear Thermal Expansion ≈3.8×10⁻⁶/℃Temperature Difference Across Entire Area…