I. Core Advantages (Why Granite + Guide Rails) – Ultra-high Precision: Granite has excellent thermal stability and minimal deformation, maintaining long-term flatness\/straightness (up to 0.001mm level) Please provide the text you would like translated.Rigidity and damping: Heavier than cast iron, with greater damping, it offers better vibration resistance, disturbance resistance, and more stable movement. Please provide the text you would like translated.Wear-resistant and rust-free: High hardness, rust-free, and maintenance-free, suitable for precision\/clean environments. Please provide the text you would like translated.- Compatible with mainstream rails: air bearings, linear motors, ball\/roller rails can all be combined. – II. Mainstream combination methods (commonly used in precision equipment) 1. Granite + air bearing rail (the top choice for ultra-precision) – Structure: Granite base with grooves or attached air bearing rails, the slide is suspended by an air film (no contact) Please provide the text you would like translated.Advantages: Zero friction, zero wear, extremely high straightness\/flatness, smooth movement Please provide the text you would like translated.Applications: Three-coordinate measuring machines, lithography machines, optical inspection, semiconductor equipment Please provide the text you would like translated.- Installation: Precision grinding of the base \u2192 Ensuring the height and parallelism of the guide rail surface \u2192 Matching grinding of the air bearing blocks \u2192 Sealing of the air passage \u2192 Adjustment of pressure and clearance2. Linear motor + Granite base (high speed and high precision) – Structure: The stator guide rail is installed on the granite base, and the mover is installed on the slide table; no mechanical transmission, direct drive Please provide the text you would like translated.Advantages: High speed, high acceleration, precise positioning, and quick response. Please provide the text you would like translated.- Installation: Ensure the flatness\/parallelism of the base \u2192 High-precision bonding\/screw fixation of the stator guide rails \u2192 Calibration of the air gap of the mover \u2192 Installation of the encoder feedback 3. Ball\/Roller linear guide rails + Granite (General Precision) – Structure: Milling\/grinding of the installation reference on the granite base \u2192 Fixation of the guide rails with bolts + locating pins Please provide the text you would like translated.Advantages: moderate cost, good rigidity, strong load capacity, and simple maintenance. Please provide the text you would like translated.Applications: Precision machine tools, measuring instruments, automated equipment Please provide the text you would like translated.Installation: Bench surface grinding \u2192 Guide rail height\/parallelism \u2192 Preload control \u2192 Slider preloading \u2192 Running-in adjustmentIII. Key Installation Processes (Precision Assurance)1. Base Pre-treatment Please provide the text you would like translated.Granite base fine grinding: flatness \u2264 0.002mm\/m, roughness Ra \u2264 0.4 Please provide the text you would like translated.Cleaning, degreasing, stress relief, and constant-temperature static placement (for more than 24 hours) Please provide the text you would like translated.2. Guide rail positioning and fixation Please provide the text you would like translated.Reference: Use a marble right-angle square and a laser interferometer to find the level, parallelism and perpendicularity. Please provide the text you would like translated.- Fixed: Please provide the text you would like translated.- Air floatation \/ linear motor: Epoxy resin bonding + auxiliary bolts (for stress prevention and precision maintenance) Please provide the text you would like translated.Ball guide rail: locating pin + high-strength bolt (uniform torque, anti-loosening) Please provide the text you would like translated.Direct welding is strictly prohibited (granite is not heat-resistant and prone to cracking). Please provide the text you would like translated.3. Precision Calibration Please provide the text you would like translated.Straightness\/Flatness: Measured by laser interferometer Please provide the text you would like translated.Parallelism\/Perpendicularity: Marble square, dial indicator Please provide the text you would like translated.- Air flotation: Adjust the air pressure and gap to ensure a uniform and stable air film. – Common problems and countermeasures: – Base deformation: Select high-quality Jinan green or Tai Shan green granite; perform aging treatment after processing; apply uniform force during installation and avoid single-point compression. Please provide the text you would like translated.- Loose guide rails \/ decreased accuracy: Use low-shrinkage epoxy adhesive; add anti-loosening devices to bolts; regularly recheck the preload force. Please provide the text you would like translated.- Unstable air floatation: Clean and dry the air path; Match and grind the air float bloc<\/p>\n\n\n\n
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