The mechanical grinding process using metallographic abrasives consists of pre-grinding and fine grinding. During this grinding process, waterproof abrasive papers, abrasive films, or grinding discs are typically used. They contain an abrasive which is firmly bound to the base.
The basic principal for any material removal process is coarse-to-fine machining. Gradually, and with ever decreasing grain sizes, each and every grinding step removes the preceding surface deformation. This procedure is repeated until a surface roughness is obtained which allows a smooth transition to polishing.
The SCAN-DIA product range offers the most appropriate abrasive for every material. A very commonly used metallographic abrasive is silicon carbide, SiC. Diamond, bound in pre-grinding films or pre-grinding discs, is also frequently used in cases in which a harder abrasive is required. Cubic boron nitride (CBN) is particularly used for the grinding of ferrous materials.
An economic grinding process is characterized by short grinding times and as few grinding steps as possible. Depending on the type of material to be grinded, a substitution of the typically used SiC grinding papers by considerably harder diamond pre-grinding is an alternative. The high standards for SCAN-DIA's metallographic abrasives are guaranteed by regular quality and suitability tests.
You will find more information and an overview of our metallographic abrasives in the SCAN-DIA special brochure "Polishing System".
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