News
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Granite Machine Base vs. Metal Base: Why Material Stability Matters in Precision Equipment
Here is a question machine builders hear from customers all the time: “If my linear motor has nanometre-scale feedback, my encoder is sub-micron accurate and my interferometer can measure anything — why does the machine base matter at all?” The answer is that every one of those high-...Read more -
How to Choose a Precision Granite Surface Plate: Flatness, Grade, Size and Calibration
Buying a granite surface plate looks simple until you receive two quotations for plates with the same nominal size that differ in price by a factor of three. The difference almost always comes down to four things: flatness, grade, size (and thickness) and calibration. This guide answers the ques...Read more -
Integrated Machining High-Precision Measurement Platforms to Reduce Cumulative Deviations from Assembly
In the integration stage of ultra-precision equipment, the failure of many measurement systems to reach the expected final accuracy is not caused by insufficient precision of individual components, but by cumulative deviations continuously superimposed during the assembly of multiple parts. The t...Read more -
What Are the Requirements for High-Precision Measurement Platforms Adapted to Optical Inspection Equipment?
Optical inspection completes precise judgment relying on optical imaging, laser ranging, interference acquisition and other principles. Equipment such as AOI, profilometers, femtosecond laser detectors, industrial CT and X-ray detectors impose essentially different requirements on reference platf...Read more -
Temperature-Resistant High-Precision Measurement Platforms: Safeguard Inspection Data Accuracy
In ultra-precision manufacturing and advanced metrology, data accuracy is the ultimate criterion for product qualification and technological reliability. Many unstable inspection results are not caused by equipment errors or operational mistakes, but by subtle and invisible temperature change...Read more -
How high-precision measurement platforms avoid measurement errors caused by ambient temperature
1. Base material innovation: Build a foundation for resisting temperature errors with ultra-low thermal expansion properties Most measurement errors essentially arise from mismatched thermal stability between the measurement carrier and the measured workpiece. Measurement platforms made of ordina...Read more -
Granite vs. Metal vs. Ceramic vs. Mineral Casting: How to Select the Right Base Material for Ultra-Precision Equipment
One Question, Many Right Answers Every ultra-precision machine starts with the same decision: what should the structure be made of? Equipment R&D and sourcing teams searching for granite vs cast iron machine base comparisons or mineral casting vs granite trade-offs are really asking one ques...Read more -
Precision Ceramic Components for Semiconductor, New Energy and Medical Equipment: Design and Machining Considerations
Where Metal Reaches Its Limits, Ceramics Take Over As semiconductor tools push toward finer process nodes, battery inspection demands higher throughput, and medical equipment demands cleaner, more stable mechanics, design engineers keep hitting the same wall: metals deform, wear, contaminate and...Read more -
How to Choose a Granite Surface Plate for Metrology Labs and Precision Assembly
The Reference Surface Everything Else Is Judged Against In a metrology lab or a precision assembly cell, the granite surface plate is the master reference. Every height gauge, every indicator, every CMM verification and every first-article check inherits its accuracy from that one lapped stone s...Read more -
Granite Air Bearings for Ultra-Precision Motion: Applications in CMM, XY Tables and Semiconductor Inspection
Why Air Bearing Systems Live or Die by Their Guideway Material A granite air bearing floats a moving carriage on a film of pressurized air just 3–15 µm thick. There is no metal-to-metal contact, no lubricant, no stick-slip, and no wear particle generation — which is exactly why air bearing stage...Read more -
Why Precision Granite Machine Bases Are Replacing Metal Bases in Semiconductor & CMM Equipment
Open the frame of a modern CMM, wafer inspection tool or precision laser system and you will rarely find an all-metal base. The structure underneath the motion system is increasingly a precision granite machine base — and the shift is not stylistic. For equipment where the error budget is measur...Read more -
Ultra-Stable Granite Frames: Robust Load-Bearing for Large-Scale Measuring Equipment
The core challenge for large measuring equipment lies not merely in the measurement precision of three-axis probing systems, but also in maintaining unchanged benchmarks under the long-term load of the machine’s own weight and heavy workpieces. Bridge and gantry coordinate measuring machines and ...Read more