THREADING PLATE Russian patent published in 2022 - IPC B23G5/02 

FIELD: mechanical engineering.

SUBSTANCE: invention relates to the field of mechanical engineering, in particular to threading plates for threading. The threading plate for threading has cutting gears located along a cutting part. Each cutting gear is equipped with a locally determined chip breaker. Chip breakers are located on the front surface of the threading plate. At least two cutting gears differ from each other in shape. At least one cutting gear is equipped with the intended chip breaker along the cutting part. At the same time, the shape of the chip breaker is adapted to the shape of the cutting gear. This cutting gear, in accordance with an order of engagement during a cutting process, precedes the following cutting gear along the cutting part. At the same time, at least one chip breaker has a shape adapted to a cross-section of chip running into it.

EFFECT: improvement of the performance of cutting and removal of chip.

21 cl, 8 dwg