Broaches TREATMENT slotted holes with involute profile with centering on the outer diameter

摘要

the utility model relates to a metal (u043cu0435u0442u0430u043bu043bu043eu0440u0435u0436u0443u0449u0438u043c tools), to u043fu0440u043eu0442u044fu0436u043au0430u043c for u0448u043bu0438u0446u0435u0432u044bu0445 holes with u044du0432u043eu043bu044cu0432u0435u043du0442u043du044bu043c profile with u0446u0435u043du0442u0440u0438u0440u043eu0432u0430u043du0438u0435u043c on u043du0430u0440u0443u0436 board diameter in products made of structural u0442u0440u0443u0434u043du043eu043eu0431u0440u0430u0431u0430u0442u044bu0432u0430u0435u043cu044bu0445 materials and materials with high hardness (the details of u0430u0432u0442u043eu043cu043eu0431u0438 speeds lei, drilling rigs, metal cutting machine tools, agricultural machinery, etc.);to achieve the goal in the design of working parts shaped to u0448u043bu0438u0446u0435u0432u044bu0445 holes with u044du0432u043eu043bu044cu0432u0435u043du0442u043du044bu043c profile with the outside diameter of the u0446u0435u043du0442u0440u0438u0440u043eu0432u0430u043du0438u0435u043c u0434u0435u043bu0438u044fu0445 constructed of structural u0442u0440u0443u0434u043du043eu043eu0431u0440u0430u0431u0430u0442u044bu0432u0430u0435u043cu044bu0445 materials and materials with high hardness, instead of fair round after the transitional cutting) u0431u044cu0435u0432 introduced three teeth with u0434u0438u0430u043cu0435u0442u0440u0430u043bu044cu043du044bu043cu0438 sizeequal size u043au0430u043bu0438u0431u0440u0443u044eu0449u0438u0445 be on the rear surface of which is applied to the mesh u043cu0435u043bu043au043eu0440u0430u0437u043cu0435u0440u043du044bu0445 u0441u0442u0440u0443u0436u043au043eu0434u0435u043bu0438u0442u0435u043bu044cu043du044bu0445 slots arranged in staggered formations a friend on the other. the recovery in the first overflow cavity (he is the last cutting tooth shaped) must provide the contact loads within the u0434u043eu043fu0443u0441u0442 u0438u043cu043eu0439 for working part of the shaped material.