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Accuracy and Operation of 2D Vision Measuring Instrument The 2D image measuring instrument is a common optical measuring device that can be used to measure the size, distance, angle and other parameters of a plane object. The following is a detailed description of the accuracy and usage of the 2D ... Read More
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Below are the factors influence the local thickness of metal and oxide coatings by the microscopical examination of cross sections using an optical microscope. Under good conditions, when using an optical microscope, it is capable of giving an absolute measuring accuracy of 0.8 μm. This will ... Read More
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Cold mounting requires no pressure and little heat, and is a means of mounting large numbers of specimens more rapidly than by compression mounting. Materials for cold mounting are classified as polyesters, epoxides and acrylics. Polyesters are transparent and usually water clear; Epoxides are ... Read More
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The durometer selection guide cited from ASTM D2240 is designed to assist in the selection of the proper durometer type for various applications. It is generally recognized that durometer hardness determination below 20 and above 90 are unreliable. It is recommended that the next lower or higher ... Read More
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METALEX 2024 Bangkok No. 1 Machine Tools & Metalworking Exhibition Serving ASEAN Dates: Wednesday, November 20, 2024 - Saturday, November 23, 2024 Venue: BITEC, Bangkok, Thailand For more than 30 years, "METALEX" has been one of the important drivers of the progress and growth of the country's and ... Read More
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GIME GUANGZHOU 2024 Guangzhou International Inspection and Testing Technology and Equipment Exhibition 2024 Guangzhou International Metrology and Testing Technology and Equipment Exhibition 2024 China (Guangzhou) International Testing and Measurement Industry Innovation Expo 2024 Booth Number: G39 ... Read More
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analytica China 2024 analytica China is the biggest trade fair for laboratory technology, analytics, biotechnology, and diagnostics. The exhibition – where the latest technologies and products will be displayed – is held every two years. Meanwhile, the concurrent technical conferences are in the ... Read More
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Principle of the Rockwell Test The Rockwell principle is described as follows: An accurately shaped indenter is used to make an indent in the sample to be tested. This indenter is either a spheroconical diamond, a 120-degree cone with a 0.2 millimeter radius tip, or hard metal ball with a 1⁄16, 1⁄8, ... Read More
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Polishing discs are covered with soft cloth impregnated with abrasive diamond particles and an oily lubricant or water lubricant. Particles of two different grades are used: a coarser polish - typically with diamond particles 6 microns in diameter which should remove the scratches produced from the ... Read More
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Surface layers damaged by cutting must be removed by grinding. Mounted specimens are ground with rotating discs of abrasive paper, for example wet silicon carbide paper. The coarseness of the paper is indicated by a number: the number of grains of silicon carbide per square inch. So, for example, ... Read More
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