Общий каталог Yamawa 2022 - 2023 - страница 1152

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Technical Description of productsInformation Terminology of Taps Width of land Shank dia. Chamfer angle Flute External center Core dia. Internal center Chamfer length Size of square Thread length Shank length Length of square Overall length ■Chamfer relief ■Thread relief and cutting angle Width of margin Chamfer relief Thread relief Heel Indicator drop for thread relief Indicator drop for chamfer relief Cutting face Cutting angle Edge angle, including chamfer relief, thread relief, cutting angle and others, as well as heat treatment, have important functions affecting workpiece shape, tool life, surface finish of internal screw thread, and so on. ■Chamfer of hand tap Taper tap threads Plug tap threads Bottomingtap Plug tap Taper tap Bottoming tap threads In general, tap chamfer is the most important part of taps to create internal thread. The function of full thread part of taps is to make a guidance. Technical-1