5. Surface protection
corrosion protection measures. Here, the wear reserve of a corrosion protection system and the ambient conditions have to be taken into account. The ways in which corrosion manifests itself can vary greatly. (See DIN 50900 for corrosion types). 5.2 Corrosion types Surface corrosion e.g. rust Crevice corrosion Contact corrosion – Electrolyte +
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4. Manufacturing screws and nuts - Würth
www.wuerth-industrie.com4. Manufacturing screws and nuts 4.1 Manufacturing processes In principle, the following manufacturing processes are ... thread rolling. 1774 10 Diagram of the stages for a hexagonal nut ... External diameter of the thread Chamfer course on thread cutting Chamfer course on thread forming.
4. Manufacturing screws and nuts
www.wuerth-industrie.comThread cutting In this procedure the thread is made by means of a tap or a screw stock. With screws, this procedure is mainly used for very low production runs or with machined parts as well. However, things are different when a female thread is made. In this case the thread is usually cut with a screw tap or taper tap.
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