Blog
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Multi‑Material Ultra‑Precision Parts: Granite/Ceramic/Metal/Glass/UHPC/Carbon Fiber
ZHHIMG stands out in the global ultra‑precision manufacturing sector as a rare comprehensive manufacturer covering multiple core engineering materials: granite, precision ceramic, CNC‑processed metal, optical precision glass, mineral casting, UHPC and carbon fiber beams. With complete ISO9001...Read more -
How Custom Precision Granite Gantry Structures Improved Alignment in Lithography Equipment
Alignment drift in lithography equipment rarely announces itself as a single failure. It shows up gradually — overlay error creeping outside spec on certain shifts, or repeatability that’s fine in the morning and questionable by afternoon. When a semiconductor equipment manufacturer approac...Read more -
How to Select the Right Precision Ceramic Component for Ultra-High Vacuum (UHV) Environments
Specify the wrong material for a UHV chamber and you won’t find out during design review. You’ll find out weeks later, when a pump-down that should reach 10⁻⁹ Torr stalls somewhere in the 10⁻⁷ range and nobody can figure out why. Outgassing problems are like that — quiet, delayed, and...Read more -
A Complete Guide to Granite Surface Plate Maintenance: How to Extend Calibration Intervals
A granite surface plate doesn’t fail loudly. There’s no grinding noise, no warning light, no obvious sign that flatness has drifted out of tolerance. It just sits there looking exactly as flat as it did on delivery day, right up until a CMM operator notices a repeatability problem tha...Read more -
How Thermal Expansion Affects Precision Measurement: Why Granite and Ceramics Outperform Metal
Every measurement system fights an invisible opponent: heat. A one-degree shift in ambient temperature sounds trivial, but on a 1-meter steel base it can move dimensions by roughly 11.7 microns — enough to invalidate a CMM reading, throw off a laser interferometer calibration, or shift the refere...Read more -
Black Granite Mechanical Beams: Preferred Base Material for Automated Optical Equipment
1. High Damping for Vibration Suppression to Avoid Optical Imaging Interference Automated optical equipment integrates linear motors, high‑speed motion modules and rotary mechanisms. Frequent start‑stop movements generate continuous excitation vibration. Vibration transmitted to lenses, camera...Read more -
How to Carry Out Post-operation Protection and Maintenance for Black Granite Mechanical Beams
1. Standardize Daily Operation to Avoid Artificial and Mechanical Hard Damage Black granite mechanical beams possess high hardness and rigidity but feature natural brittleness with limited resistance to severe impact and hard collision. Most precision deviations in long-term service are not caus...Read more -
Comparative Analysis of Performance Differences Between Black Granite Mechanical Beams and Carbon Fiber Beams
In ultra‑precision equipment, mechanical beams serve as the load‑bearing skeleton and directly determine the machine’s repeat‑positioning accuracy and long‑term operational stability. Black granite and carbon‑fiber composite materials are two widely‑adopted beam materials for high‑end equipment....Read more -
Why Black Granite Mechanical Beams Are Widely Adopted in Semiconductor Equipment
As the semiconductor industry advances into the era of nanometer-level precision manufacturing, core processes such as photolithography, wafer inspection, precision packaging, and laser micro-processing impose extremely stringent requirements on the stability, precision consistency, and envir...Read more -
Technical Requirements for Granite Tables Used in AOI Optical Inspection Equipment
1. Base‑material Physical Properties: High Rigidity, Low Expansion and High Damping to Suppress Vibration Interference During high‑speed scanning of AOI equipment, frequent start‑stop of linear motors continuously generates vibration. Granite tables must attenuate vibration rapidly by material...Read more -
Influence of Handling and Storage Methods on Precision Degradation of Finished Granite Tables
1. Damages to Precision Induced by Non‑standard Handling Granite tables belong to heavy‑load precision components. Lifting, relocation, loading and unloading represent the highest‑risk procedures. Common on‑site malpractices including binding directly on precision reference surfaces, single‑po...Read more -
Influence of Granite Table Surface Protection Treatment on Long-Term Service Precision
It is well known that the core selection criteria for granite tables used in precision industries are high density, superior stability and low deformation. ZHHIMG strictly selects high-quality black granite base materials with a high density of up to 3100kg/m³, whose physical properties are far ...Read more