{"id":3050,"date":"2026-07-03T10:22:59","date_gmt":"2026-07-03T02:22:59","guid":{"rendered":"https:\/\/jtlcnc.com\/?p=3050"},"modified":"2026-07-03T10:23:00","modified_gmt":"2026-07-03T02:23:00","slug":"ceramics-in-precision-equipment-possess-both-metallic-and-stone-like-properties-how-to-choose","status":"publish","type":"post","link":"https:\/\/jtlcnc.com\/ar\/2026\/07\/03\/ceramics-in-precision-equipment-possess-both-metallic-and-stone-like-properties-how-to-choose\/","title":{"rendered":"\u062a\u062a\u0645\u064a\u0632 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u062e\u0632\u0641\u064a\u0629 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0641\u064a \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u0628\u062e\u0635\u0627\u0626\u0635 \u0645\u0639\u062f\u0646\u064a\u0629 \u0648\u0623\u062e\u0631\u0649 \u062a\u0634\u0628\u0647 \u0627\u0644\u062d\u062c\u0631\u061b \u0641\u0643\u064a\u0641 \u064a\u0645\u0643\u0646 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631\u061f"},"content":{"rendered":"

Precision Equipment: Material Selection Comparison of Ceramics, Metals, and Granite Complete Selection Logic
I. Overview of Core Characteristics (Quick Differentiation)<\/p>\n\n\n\n

    \n
  1. Granite (Natural Stone)
    Pros: Excellent vibration damping, extremely low thermal expansion, non-magnetic insulation, low cost, mature large-area base technology;
    Cons: Natural texture and impurities, prone to chipping at small holes\/thin walls, cannot be made into complex irregular shapes, very heavy, absorbs water and oil stains, slight creep under long-term heavy pressure.<\/li>\n\n\n\n
  2. Metal (Aluminum \/ Steel \/ Cast Iron)
    Pros: Easy to machine, supports complex structures, lightweight thin walls, no chipping when drilling\/tapping, flexible assembly, fast delivery;
    Cons: Significant thermal expansion\/contraction, prone to vibration resonance, steel rusts, conductive and magnetic, creep under long-term stress, poor precision stability.<\/li>\n\n\n\n
  3. Precision Ceramics (Silicon Carbide \/ Alumina Ceramics)
    Combines the strengths of both and compensates for their weaknesses
    Inherits from stone: Low thermal expansion, high vibration damping, non-magnetic insulation, corrosion resistance, ultra-high hardness and wear resistance;
    Inherits from metal: Precision machining of small holes, through holes, embedded threads, irregular thin walls, and integrated structures;
    Unique advantages: Uniform material without natural defects, non-absorbent to oil\/stains, zero creep, high-temperature stability, lighter weight with the same rigidity.
    II. Scenario-Based Selection Criteria (Directly match your equipment)
    Scenario 1: Large fixed inspection platforms, CMM machine bases \u2192 Prioritize Granite
    Suitable for: Large dimensions, stationary, limited budget, no need for dense small holes \/ complex slots
    Disadvantages: Not recommended if dense bolt holes, ultra-thin structures, or high-speed movement are required.
    Scenario 2: High-speed motion modules, lightweight motion brackets, small precision tooling \u2192 Prioritize Metal (Aluminum Alloy \/ Steel)
    Suitable for: Complex structures, low-cost mass production, minimal temperature changes, short-term use, no strict requirements for long-term precision
    Disadvantages: Not suitable for hot\/cold environments or high-precision optical \/ semiconductor equipment, as precision will drift.
    Scenario 3: High-precision optics, semiconductors, laser equipment, high-speed precision moving parts, small high-precision bases \u2192 Prioritize Ceramics
    Ceramics are the optimal solution if any of the following apply:
    Need for dense small holes, through holes, or bottom-mounted isolation pillars (like the customer’s previous 4-inch plate with dense bolt structure);
    Equipment requires high-speed reciprocating motion, needing both vibration damping lightweight;
    Strict temperature-variable environment, where micron-level precision must not drift during long-term operation;
    Non-magnetic insulation required to avoid electromagnetic interference with optics \/ chips;
    Contact with acid\/alkaline cutting fluids, requiring never to rust and not absorb oil stains;
    Thin-walled, irregular integrated structures where natural stone is prone to shattering.
    III. Key Indicator Comparison Decision Table
    <\/li>\n<\/ol>\n\n\n\n
    Performance Requirement<\/strong><\/strong><\/td>\u062c\u0631\u0627\u0646\u064a\u062a<\/strong><\/strong><\/td>Metal<\/strong><\/strong><\/td>Precision Ceramic<\/strong><\/strong><\/td><\/tr>
    Large stationary base, cost-sensitive<\/td>\u2705 First choice<\/td>\u274c Not recommended<\/td>Alternative (higher cost)<\/td><\/tr>
    Lightweight high-speed moving components<\/td>\u274c Excessively heavy<\/td>\u2705 Top pick for standard precision<\/td>\u2705 Top pick for ultra-high precision<\/td><\/tr>
    Dense small holes, through holes & thin-wall structures<\/td>\u274c Prone to edge chipping<\/td>\u2705 Machinable<\/td>\u2705 Stable machining without chipping<\/td><\/tr>
    Wide temperature variation & long-term ultra-precision<\/td>\u2b55 Acceptable<\/td>\u274c Severe thermal expansion error<\/td>\u2705 Optimal solution<\/td><\/tr>
    Non-magnetic, insulating, anti-electromagnetic interference<\/td>\u2b55 Acceptable<\/td>\u274c Conductive & magnetic<\/td>\u2705 Optimal solution<\/td><\/tr>
    Acid & alkali resistance, anti-oil absorption<\/td>\u2b55 Usable but absorbs oil & hard to clean<\/td>\u274c Prone to corrosion & rust<\/td>\u2705 Dense non-absorbent surface<\/td><\/tr>
    No slow deformation under long-term load (zero creep)<\/td>\u2b55 Slight creep exists<\/td>\u274c Obvious creep<\/td>\u2705 Near-zero creep<\/td><\/tr>
    Complex integrated special-shaped parts<\/td>\u274c Limited machining capability<\/td>\u2705 Easy forming<\/td>\u2705 High-precision forming<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
    \"\"<\/figure>","protected":false},"excerpt":{"rendered":"

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