RU95108299A - Carbide insert for rock-cutting tool - Google Patents

Carbide insert for rock-cutting tool

Info

Publication number
RU95108299A
RU95108299A RU95108299/03A RU95108299A RU95108299A RU 95108299 A RU95108299 A RU 95108299A RU 95108299/03 A RU95108299/03 A RU 95108299/03A RU 95108299 A RU95108299 A RU 95108299A RU 95108299 A RU95108299 A RU 95108299A
Authority
RU
Russia
Prior art keywords
insert
central protrusion
cutting edge
front face
recess
Prior art date
Application number
RU95108299/03A
Other languages
Russian (ru)
Other versions
RU2079652C1 (en
Inventor
М.Г. Карабанов
А.П. Туров
С.И. Мультанов
Ю.Н. Линник
А.Н. Черножуков
Original Assignee
Товарищество с ограниченной ответственностью "ПИГМА"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Товарищество с ограниченной ответственностью "ПИГМА" filed Critical Товарищество с ограниченной ответственностью "ПИГМА"
Priority to RU95108299A priority Critical patent/RU2079652C1/en
Publication of RU95108299A publication Critical patent/RU95108299A/en
Application granted granted Critical
Publication of RU2079652C1 publication Critical patent/RU2079652C1/en

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Abstract

FIELD: rock-cutting tools. SUBSTANCE: the offered carbide insert has front face trapezoidal in shape, central protrusion and recess. Central protrusion is located on the front face and is wedge-shaped in cross section Recess is located on the front face of insert and is opened to the side of its end face. Recess is symmetrical to insert longitudinal axis. length of cutting edge, which is formed by crossing of faces of central protrusion, equals not less than 0.1 and not more than 0.5 if insert length. Walls of recess and respective faces of central protrusion form two additional protrusions of wedge shape. Cutting edge of each additional protrusion is located at an angle to longitudinal axis of insert with angle vertex oriented towards main cutting edge. EFFECT: higher efficiency. 6 cl, 6 dwg

Claims (1)

Сущность изобретения: пластина из твердосплавного материала для породоразрушающего инструмента содержит переднюю грань трапециевидной формы, центральный выступ и паз. Центральный выступ расположен на передней грани и имеет в поперечном сечении клиновидную форму. Паз расположен на передней грани пластины и открыт в сторону ее торцевой грани. Паз расположен симметрично относительно продольной оси пластины. Длина режущей кромки, которая образована пересечением граней центрального выступа, составляет не менее 0,1 и не более 0,5 от длины пластины. Стенки паза и соответствующие грани центрального выступа образуют два дополнительных выступа клиновидной формы. Режущая кромка каждого дополнительного выступа расположена к продольной оси пластины под углом, вершина которого ориентирована в направлении к главной режущей кромке.The inventive plate of carbide material for rock cutting tools contains a front face of a trapezoidal shape, a Central protrusion and a groove. The central protrusion is located on the front face and has a wedge-shaped cross section. The groove is located on the front edge of the plate and is open towards its end face. The groove is located symmetrically relative to the longitudinal axis of the plate. The length of the cutting edge, which is formed by the intersection of the faces of the central protrusion, is not less than 0.1 and not more than 0.5 of the length of the insert. The walls of the groove and the corresponding faces of the central protrusion form two additional protrusions of a wedge-shaped shape. The cutting edge of each additional protrusion is located at an angle to the longitudinal axis of the insert, the apex of which is oriented towards the main cutting edge.
RU95108299A 1995-05-25 1995-05-25 Carbide insert of rock cutting tool RU2079652C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU95108299A RU2079652C1 (en) 1995-05-25 1995-05-25 Carbide insert of rock cutting tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU95108299A RU2079652C1 (en) 1995-05-25 1995-05-25 Carbide insert of rock cutting tool

Publications (2)

Publication Number Publication Date
RU95108299A true RU95108299A (en) 1997-04-20
RU2079652C1 RU2079652C1 (en) 1997-05-20

Family

ID=20168014

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95108299A RU2079652C1 (en) 1995-05-25 1995-05-25 Carbide insert of rock cutting tool

Country Status (1)

Country Link
RU (1) RU2079652C1 (en)

Also Published As

Publication number Publication date
RU2079652C1 (en) 1997-05-20

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