The diamond polishing liquid is formed by dispersing abrasive particles in a medium, offering excellent chemical-mechanical properties. It is widely used in the grinding and precision polishing of silicon wafers, compound crystals, optical devices, LCD panels, gemstones, and metal workpieces. Polishing and Grinding Solution Series ◎Monocrystalline Diamond Solution (MDS)◎Polycrystalline Diamond Solution (PDS)◎Nanodiamond Solution (NDS) Monocrystalline …
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Meta Polishing – Polishing our Meta world. Achieving ultra-precision polishing of free-form surfaces, no polishing marks under a microscope, meanwhile effectively reduces surface roughness with controllable Ra value, reduces waviness (Wa), and also accurately maintains excellent post-polishing surface profile (PV), it is suitable for electroless nickel polishing, copper, aluminum, tungsten steel, mold steel, etc. meta polishing
Relative hardness and absolute hardness are clearly explained in textbooks. The relative hardness of minerals is divided into 10 levels. When two minerals are rubbed together, the one that gets scratched has the lower hardness, meaning that the harder mineral will scratch the softer one. The representative minerals for each level of relative hardness from 1 to 10 are as follows: 1 – Talc, 2 – Gypsum, 3 – Calcite, 4 – Fluorite, 5 – Apatite, 6 – Feldspar, 7 – Quartz, 8 – Topaz, 9 – Corundum, 10 – Diamond. This relative hardness scale was first developed by mineralogist Friedrich Mohs (1773-1839), and as such, relative hardness is also called the Mohs hardness scale. Mohs was born in Germany but moved to Austria in 1801 to work in mineral identification, which is why some books refer to him as Austrian, while other sources refer to him as German.
Dressing a grinding wheel refers to using a dressing tool to shape the wheel or remove the dulled surface layer, thereby restoring the grinding performance and correct geometric shape of the working surface. Timely and proper wheel dressing, along with the correct use of a diamond dressing tool, is essential for improving grinding efficiency and ensuring quality.
When traditional mechanical polishing methods are used on large-area PCD products, the polishing wheel first contacts the raised areas caused by stress deformation. This leads to longer polishing times and localized thinning. To address this issue, the author designed and implemented a dual-rocker swinging fixture, allowing the polished surface to adaptively contact the polishing wheel’s end face during the process. This article primarily discusses the features and effectiveness of this new processing equipment.
The ISO 6743 standard “Lubricants, industrial oils and related products (class L) — Classification” divides lubricant products into 18 groups, which are arranged according to the letters A to Z. A：Total loss systems B：Mould release C：Gears D：Compressors (including refrigeration and vacuum pumps) E：Internal combustion engine F：Spindle bearings,bearings and associated clutches G：Slideways H：Hydraulic systems M：Metal working …
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Diamond is the hardest material on Earth and one of the most valuable. Among all natural and synthetic materials, diamond possesses the highest hardness and thermal conductivity, the broadest range of optical transparency, and the highest refractive index. It also exhibits exceptional wear resistance, as well as superior acoustic properties, radiation resistance, and corrosion resistance. In short, diamond is the most perfect functional material in the material world to date. Due to its potential applications in military and various sectors of the economy, diamond powder has garnered increasing attention, leading to advancements in its production technology.
Nanoparticles have several advantages as photocatalysts. First, their small particle size and large specific surface area result in higher photocatalytic efficiency. Additionally, the electrons and holes generated by the nanoparticles are less likely to recombine before reaching the surface, allowing for a higher quantity of charge carriers (electrons and holes) to participate in chemical reactions, thus increasing the activity. Furthermore, nanoparticles often exhibit transparency when dispersed in a medium, making it easier to study charge transfer, proton transfer, and the effects of semiconductor energy levels and surface state densities using optical methods.
