{"id":1820,"date":"2024-10-18T10:58:56","date_gmt":"2024-10-18T08:58:56","guid":{"rendered":"https:\/\/www.ermoli.it\/materioteca-per-mole\/"},"modified":"2024-12-03T17:43:15","modified_gmt":"2024-12-03T16:43:15","slug":"material-for-wheels","status":"publish","type":"page","link":"https:\/\/www.ermoli.it\/en\/material-for-wheels\/","title":{"rendered":"Materials"},"content":{"rendered":"\t\t
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Our Materials\n<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Corundum and silicon carbide grinding wheels \n<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Corundum<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Corundum, aluminium oxide (Al2O3), is derived by fusing alumina and bauxite at about 2900\u00b0C – 3000\u00b0C. This is cooled and crushed to produce abrasive grain or grit. Special types of corundum, like the microcrystalline variety, are obtained with chemical processes. Ideal for materials with high tensile strength, such as steel, cast iron, bronze and nickel. We use various types of corundum which we mix to suit different requirements.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Silicon carbide\n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Silicon carbide is produced by synthesising carbon, coke and silica sand. Once the mass has cooled, the abrasive is crushed. Ideal for very hard metals, such as cemented carbide, and non-ferrous materials like glass, aluminium, rubber and stone materials.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\tIce White Corundum\t\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tContaining 99.5% Al2O3, this is one of the most commonly used abrasives for grinding steels with a medium hardness rating of up to about 58 HRC. With high friability, it allows good regeneration of the grinding wheel.\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t
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\n\t\t\t\t\t\t\t\tRuby Red Corundum\t\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tThis contains 2% chromium oxide so is particularly well suited for grinding harder steels up to about 60 HRC.\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t
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\n\t\t\t\t\t\t\t\tPink Corundum\t\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tThis is slightly tougher than white corundum yet still retains good cutting properties. Recommended for extending the life of the grinding wheel profile.\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t
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\n\t\t\t\t\t\t\t\tUltramarine Blue Ceramic Corundum\t\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tThis microcrystalline ceramic corundum is synthetically produced and made up of minute crystals. Grinding wheels made with this material significantly improve grinding performance in terms of both removal speed and a longer life span for the tool.\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t
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\n\t\t\t\t\t\t\t\tRed-Brown Corundum\t\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tContaining 96% Al2O3, this abrasive retains its red-brown colour if the grinding wheel is fired at a low temperature and turns grey if the temperature reaches 1200\u00b0C. Used for rough grinding applications, such as deburring steels that are not too hard.\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t
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\n\t\t\t\t\t\t\t\tMonocrystalline Corundum\t\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tAll the previously mentioned abrasives are produced with crushing, whereas monocrystalline corundum already crystallises into the final grain size. This means the crystal has less internal stress, which gives the grinding wheel greater cutting capacity and durability, allowing it to even grind steels up to 60 HRC.\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t
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\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\tZirconia\t\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tZirconia is an evolution of corundum, obtained by using a mineral that is not as hard but decidedly much tougher. This is why it is ideal when machining resistant materials, such as stainless steels.\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t
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\n\t\t\t\t\t\t\t\tSage Green Silicon Carbide\t\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tContaining 99% silicon carbide, this abrasive is very sharp yet highly friable. It is well suited for grinding very hard materials, such as glass and hard metal, but can also be used for working non-ferrous materials like aluminium, rubber, bronze, plastics, etc.\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t
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\n\t\t\t\t\t\t\t\tDeep Black Silicon Carbide\t\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tContaining 97.5% silicon carbide, this abrasive has the same characteristics as green silicon carbide but is tougher and less friable. It is usually used for deburring non-ferrous materials.\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t
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\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\tDiamond\t\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tThe hardest abrasive in the world is used for precision machining extremely hard and fragile materials, such as advanced ceramics and cemented carbides. It guarantees an excellent finish and lasting durability, which shortens machining times.\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t
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\n\t\t\t\t\t\t\t\tCubic Boron Nitride (CBN)\t\t\t\t\t\t\t<\/h3>\n\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t
\n\t\t\t\t\t\t\t\tThis extremely hard material is ideal for machining tempered steels and ferrous alloys. CBN delivers excellent wear resistance and superior levels of performance for high-temperature applications while maintaining a consistent cutting quality.\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t
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\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Our Materials Corundum and silicon carbide grinding wheels Corundum Corundum, aluminium oxide (Al2O3), is derived by fusing alumina and bauxite at about 2900\u00b0C – 3000\u00b0C. This is cooled and crushed to produce abrasive grain or grit. Special types of corundum, like the microcrystalline variety, are obtained with chemical processes. Ideal for materials with high tensile […]<\/p>\n","protected":false},"author":1,"featured_media":1633,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":"","_wp_rev_ctl_limit":""},"class_list":["post-1820","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\nThe materials used for Ermoli Abrasive Wheels<\/title>\n<meta name=\"description\" content=\"Mole Abrasivi Ermoli produces abrasive wheels using mainly two materials: corundum and silicon carbide, to obtain custom products. With over 146 years of experience in the sector, we are leaders in the production of custom wheels.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ermoli.it\/materioteca-per-mole\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The materials used for Ermoli Abrasive Wheels\" \/>\n<meta property=\"og:description\" content=\"Mole Abrasivi Ermoli produces abrasive wheels using mainly two materials: corundum and silicon carbide, to obtain custom products. 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