News
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Granite Cubes: Low Thermal Deformation and Long-Term Dimensional Stability
In ultra-precision manufacturing and metrology, temperature fluctuations, environmental vibration and long-term stress deformation are major threats to accuracy, even more problematic than machining errors. For granite cubes serving as fundamental reference and load-bearing components, their dime...Read more -
8 Typical Applications of Precision Granite Components in Semiconductor Equipment
In semiconductor equipment, the base structure is part of the accuracy budget. A wafer inspection tool, a laser processing platform or a metrology stage does not only need a dimensionally accurate structure on day one. It needs a structure that holds its geometry through thermal cycles, resists v...Read more -
Why Ultra-Precision Equipment Uses High-Density Black Granite Instead of Marble
The accuracy of an ultra-precision machine is decided before the first axis moves. It is decided by the structure under the axes. A CMM, a wafer metrology tool or a laser platform can only repeat what its base holds still. That is why the choice of base material is an engineering decision, not a ...Read more -
Aging Treatment of Granite Cubes Reduces Risk of Deformation in Later Service
For metrological calibration, granite cubes serve as physical reference artifacts, and their geometric stability directly determines the credibility of long-term calibration results. Many reference blocks pass all inspection indicators upon delivery, yet gradually develop deviations in parallelis...Read more -
High-Precision Granite Cubes as Reference Blocks for Equipment Calibration
Metrological traceability of various precision measuring and machining equipment relies on stable and reliable physical references. After long-term operation, the geometric accuracy of many inspection instruments and machine tools will experience minor drift. Conventional software compensation ca...Read more -
Trusted by Fortune 500: Why Global Leaders Partner with ZHHIMG
Most new customers find ZHHIMG the same way. An engineer sees our granite under a machine from a brand they trust, or a metrology lab mentions where its reference plates come from. Then comes the part every serious buyer does: due diligence. When you are about to put a supplier under a production...Read more -
Granite Machine Tool Beds Reduce Machining Chatter and Improve Surface Quality of Workpieces
In precision cutting, grinding and micro-machining applications, machining chatter remains a stubborn challenge for process engineers. Self-excited vibration occurring between the cutting tool and workpiece during machining creates ripples and chatter marks on workpiece surfaces, degrading surfac...Read more -
Will Granite Machine Tool Beds Be Affected in Humid Workshops?
In the precision machining and inspection industry, many production workshops cannot achieve laboratory-grade constant temperature and humidity conditions. This is especially true during rainy seasons in southern regions, at wet machining stations, and in workshops for wet processes of new energy...Read more -
What Are the Key Considerations for Blank Material Selection of Granite Machine Tool Beds?
The long-term precision of a finished granite machine tool bed is largely determined the moment the raw stone blank is selected. Many projects suffer from precision drift, local deformation, or even sudden cracking during machining at a later stage. The root cause is often not the lapping process...Read more -
How to Repair Scratches on Granite Machine Tool Bed Surfaces
As the precision benchmark of the whole machine, the integrity of the working surface of a granite machine tool bed directly determines the positioning and motion accuracy of the equipment during long-term operation. Scratches may form on the granite bed surface from tool collisions, friction by ...Read more -
Granite Assembly Components Feature Strong Vibration Damping, Ideal for Precision Inspection Equipment
The success of micron-level inspection often does not depend on the measurement algorithm of the equipment itself, but on whether the reference platform can isolate disturbances induced by environmental vibration. Inside factory workshops, operation of conveyor belts, start-stop of surrounding ma...Read more -
Granite Assembly Components: Integrated Lapping Guarantees Equipment Assembly Accuracy
Many assembly errors of ultra-precision equipment do not stem from component assembly procedures, but from flatness and straightness deviations of the reference body itself. When a base is assembled from multiple segments, if each individual part adopts an independent machining reference, cumulat...Read more