SU848152A1

SU848152A1 - Cutting blade

Info

Publication number: SU848152A1
Application number: SU782656241A
Authority: SU
Inventors: Петр Борисович Гринберг; Валентин Михайлович Лобанов
Original assignee: Предприятие П/Я Р-6564
Priority date: 1978-08-18
Filing date: 1978-08-18
Publication date: 1981-07-23

Description

Изобретение относится к обработке металлов . резанием.The invention relates to the processing of metals. by cutting.

Известна режущая пластина с фасками на стыках каждой пары боковых граней, с основными и дополнительными режущими кромками расположенными ⁵ под углом друг к другу Р-].Known cutting plate with chamfers at the joints of each pair of side faces, with the main and additional cutting edges located ⁵ at an angle to each other P-].

Сднако известные пластины имеют довольно узкий диапазон использования.However, the known plates have a rather narrow range of use.

Цель изобретения —. расширение технологических возможностей пластин.The purpose of the invention is. expansion of technological capabilities of plates.

Поставленная цель достигается тем, что фаски выполнены разнонакпонными по отношению к основаниям пластины, причем фаски, прилегающие к диагонально _1Sпротивоположным вершинам одного основания наклонены в одну сторону, а Остальные — в противоположную.This goal is achieved by the fact that the chamfers are made diagonally with respect to the base of the plate, and the chamfers adjacent to the diagonally _1S opposite vertices of one base are inclined in one direction, and the rest in the opposite.

На фиг.1 представлена пластина, вид .в плане,' на фиг. 2 - вид А на фиг. 1; _мна фиг. 3 - вид Б на фиг. 2; на фиг. 4сечение В - В на фиг.1; на фиг. 5 - сечение Г-Г на фиг. 1; на фиг. 6 - сечение Д-Д на фиг. 1.In Fig.1 shows a plate, a view. In plan, 'in Fig. 2 is a view A in FIG. one; _m in FIG. 3 is a view B in FIG. 2; in FIG. 4 section B - In figure 1; in FIG. 5 is a section GG in FIG. one; in FIG. 6 is a section DD in FIG. one.

Съемная режущая пластина’ 1 выполнена в форме пятигранной призмы, основания 2 и 3 которой параллельны между собой и перпендикулярны боковым граням 4-8. Пересекаясь с основанием 2, боковые грани образуют режущие кромки 9 — 13, а пересекаясь с основанием 3 — режущие кррмки 14-18. На стыках каждой пары боковых граней выполнены фаски 19 — 28, образующие при пересечении с основанием 2 дополнительные режущие кромки 29 - 38, симметрично расположенные у вершин 39-43, а при пересечении с основанием 3 - режущие кромки 44-53, симметрично расположенные у вершин 54-58.The removable cutting insert ’1 is made in the form of a five-sided prism, the bases 2 and 3 of which are parallel to each other and perpendicular to the side faces 4-8. Intersecting with the base 2, the side faces form the cutting edges 9 - 13, and intersecting with the base 3 - the cutting edges 14-18. At the junctions of each pair of side faces, bevels 19 - 28 are made, forming at the intersection with the base 2 additional cutting edges 29 - 38, symmetrically located at the vertices 39-43, and at the intersection with the base 3 - cutting edges 44-53, symmetrically located at the vertices 54-58.

Каждая основная режущая кромка образует с дополнительной режущей кромкой угол 168°-16 4°, обеспечивая тем самым вспомогательные углы в плане 2^-4°при использовании пластины в отрезном резце, каждая фаска выполнена наклоненной к основанию под углом на 2°- 3° отличным от 90 ? Такое вы3 полнение фасок обеспечивает создание вспомогательных задних углов 2°- 3° при отрезке. При этом фаски 21 и 22, прилежащие к вершине 40,и фаски 27 и 28, прилежащие к одной из диагонально противоположных вершин, например 43, наклонены в одну сторону и образуют с основанием 2 острый угол на 2°—3° отличный образуют также на от 90°, а остальные фаски с основанием 2 тупой 2°-3° отличный 90°.Each main cutting edge forms an angle of 168 ° -16 4 ° with an additional cutting edge, thereby providing auxiliary angles of 2 ^ -4 ° when using a plate in a cutting tool, each chamfer is inclined to the base at an angle of 2 ° - 3 ° other than 90? Such chamfering ensures the creation of auxiliary posterior angles of 2 ° - 3 ° during cutting. In this case, the chamfers 21 and 22 adjacent to the peak 40, and the chamfers 27 and 28 adjacent to one of the diagonally opposite peaks, for example 43, are inclined to one side and form an acute angle of 2 ° –3 ° with base 2; from 90 °, and the remaining chamfers with a base of 2 blunt 2 ° -3 ° excellent 90 °.

угол конструкция позволяетangle design allows

848152 4 геометрию резания. Режущая пластина может быть использована и в проходных резпах стандартной конструкции.848152 4 cutting geometry. The cutting insert can also be used in feedthroughs of standard design.

ИСПОЛЬЗОАпозициях.USE Positions.

Такая вать режущую пластину, в трех Первая позиция, когда основание 2 исполь-15 зуется как передняя, а фаски 22 и 27 как вспомогательные задние поверхности»» вторая и третья позиции, когда основание 3 используется как передняя, а в качестве вспомогательных задних поверхностей используются фаски 20, 26 или 19, 24.Such a cutting insert, in three. The first position, when the base 2 is used as the front, and the chamfers 22 and 27 as the auxiliary rear surfaces. ”” The second and third positions, when the base 3 is used as the front, and used as the auxiliary rear surfaces. chamfers 20, 26 or 19, 24.

Резец с предлагаемой режущей пластиной может производить отрезку на любую заданную глубину. После износа режущих кромок первой позиции, пластина переворачивается и устанавливается во вторую или третью позиции.The cutter with the proposed cutting insert can produce a cut to any given depth. After wear of the cutting edges of the first position, the plate is turned over and installed in the second or third position.

При отрезке материалов требующих положительных передних углов на передней поверхности у режущих кромок могут выполняться выкружки, канавки и прочие элементы, обеспечивающие необходимую ~~ Предлагаемая конструкция пластины позволяет расширить технологические возможности сборного инструмента многогранными неперетачиваемыми жушими пластинами.When cutting materials requiring positive rake angles on the front surface near the cutting edges, fillets, grooves and other elements can be performed that provide the necessary ~~ The proposed design of the plate allows you to expand the technological capabilities of the assembled tool with many-sided non-grindable wafers.

Claims

The invention relates to metal cutting. Known cutting plate with chamfers at the joints of each pair of side faces, with the main and additional cutting edges located under the edge of the circle to the circle p. However, the known plates have a rather narrow range of use. The purpose of the invention is. expansion of the technological capabilities of the plates. The goal is achieved by the fact that the chamfers are made differently inclined with respect to the base of the plate, and the chamfers, protruding to the diagonally opposite vertices of the base, are tilted in one direction and the Others in the opposite direction. ; on fkg. 2 is a view A of FIG. 1; on fkg, 3 - view B on vsr. 2; per ft, 4-section B – B in FIG. 1, on. 5 .- se. T-f reading on. one; in fig. 6 is a cross section of DD in FIG. 1. The removable cutting plate 1 is made in the form of a pentagonal prism, the bases 2 and 3 of which are parallel to each other and perpendicular to the side faces 4-8. Crossing with base 2, side edges form cutting edges 9-13, and crossing with base 3, cutting edges 14-18. At the joints of each pair of side edges, chamfers 19-28 are formed, forming additional cutting edges 29 at the intersection with base 2 - 38, symmetrically decayed at the vertices 39-43, and at the intersection with the base 3 - cutting edges 44-53, symmetrically located at the vertices 54-58. Each main cutting edge forms an ut with an additional cutting edge l 168 ° -16 4, thus providing auxiliary angles in terms of using the plate in the cutting cutter, each chamfer is inclined to the base below the flank by 2 ° - 3 ° other than 90. 84 chamfering provides the creation of auxiliary rear corners of 2-3 when cutting. At the same time, chamfers 21 and 22, which are attached to the apex 4O, and chamfers 27 and 28, adjacent to one of the diagonally opposite peaks, for example 43, are tilted E on one side and form an acute angle with base 2 that 90, and the remaining chamfers form an obtuse angle with the base 2 also at an excellent 9 °. This design allows the use of a cutting insert in three positions. The first position, when the base 2 is used as the front, and the chamfers 22 and 27 as the auxiliary rear noBepxHocTH f second and third positions, when the base 3 is used as the front, and the chamfers 2O, 26 or 19, 24 are used as the auxiliary back surfaces. with the proposed cutting plate can produce a cut to any given depth. After wear of the cutting edges of the first position, the plate is turned over and placed in the second or third position. When cutting materials that require positive front angles, fillets, grooves and other elements can be made on the front surface at the cutting edges, providing the necessary cutting geometry. The cutting insert can also be used in standard saw cuts. The proposed plate design allows you to expand the technological capabilities of the assembly tool with multi-faceted non-reversible cutting plates. Claims of cutting plate with chamfers at the joints of each pair of side edges, with main and additional cutting edges angled to each other, characterized in that, in order to expand technological capabilities, chamfers are made differently inclined with respect to the base of the plate, and chamfers adjacent to the diagonal opposite tops of one base are inclined in one direction, and the rest in the opposite direction. Sources of information taken into account during the examination 1. Catalog of the firm Sandvie CorohicmC. CRv 8200: 1, plates bR 274.2-163О, Sweden, p. 20. / 7777Tu m /// / / l jr o H 9 L. m la ja 1st ia f 2 gZ 13 39 30 Yu Figure 2

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