PT3860791T - Cabeça de corte tendo porção de extremidade com arestas de corte frontais radialmente extensíveis dotadas de ângulos de corte negativos e positivos, e ferramenta de corte rotativa - Google Patents

Cabeça de corte tendo porção de extremidade com arestas de corte frontais radialmente extensíveis dotadas de ângulos de corte negativos e positivos, e ferramenta de corte rotativa

Info

Publication number
PT3860791T
PT3860791T PT197791981T PT19779198T PT3860791T PT 3860791 T PT3860791 T PT 3860791T PT 197791981 T PT197791981 T PT 197791981T PT 19779198 T PT19779198 T PT 19779198T PT 3860791 T PT3860791 T PT 3860791T
Authority
PT
Portugal
Prior art keywords
negative
cutting
tip portion
radially extending
extending front
Prior art date
Application number
PT197791981T
Other languages
English (en)
Portuguese (pt)
Original Assignee
Iscar Ltd
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 Iscar Ltd filed Critical Iscar Ltd
Publication of PT3860791T publication Critical patent/PT3860791T/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/0002—Drills with connected cutting heads, e.g. with non-exchangeable cutting heads; Drills with a single insert extending across the rotational axis and having at least two radially extending cutting edges in the working position
    • B23B51/0003—Drills with connected cutting heads, e.g. with non-exchangeable cutting heads; Drills with a single insert extending across the rotational axis and having at least two radially extending cutting edges in the working position with exchangeable heads or inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/02—Connections between shanks and removable cutting heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/04—Angles, e.g. cutting angles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/04—Angles, e.g. cutting angles
    • B23B2251/047—Axial clearance angles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/08—Side or plan views of cutting edges
    • B23B2251/082—Curved cutting edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/08—Side or plan views of cutting edges
    • B23B2251/085—Discontinuous or interrupted cutting edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/14—Configuration of the cutting part, i.e. the main cutting edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/18—Configuration of the drill point
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/18—Configuration of the drill point
    • B23B2251/182—Web thinning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/20—Number of cutting edges
    • B23B2251/202—Three cutting edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/24—Overall form of drilling tools
    • B23B2251/241—Cross sections of the diameter of the drill

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)
  • Drilling Tools (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
PT197791981T 2018-10-04 2019-09-10 Cabeça de corte tendo porção de extremidade com arestas de corte frontais radialmente extensíveis dotadas de ângulos de corte negativos e positivos, e ferramenta de corte rotativa PT3860791T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201862741000P 2018-10-04 2018-10-04

Publications (1)

Publication Number Publication Date
PT3860791T true PT3860791T (pt) 2023-01-20

Family

ID=68072921

Family Applications (1)

Application Number Title Priority Date Filing Date
PT197791981T PT3860791T (pt) 2018-10-04 2019-09-10 Cabeça de corte tendo porção de extremidade com arestas de corte frontais radialmente extensíveis dotadas de ângulos de corte negativos e positivos, e ferramenta de corte rotativa

Country Status (12)

Country Link
US (1) US12330224B2 (https=)
EP (1) EP3860791B1 (https=)
JP (1) JP7391080B2 (https=)
KR (1) KR102645349B1 (https=)
CN (1) CN112789132B (https=)
CA (1) CA3115173A1 (https=)
ES (1) ES2930951T3 (https=)
IL (1) IL281238B2 (https=)
PL (1) PL3860791T3 (https=)
PT (1) PT3860791T (https=)
TW (1) TWI786325B (https=)
WO (1) WO2020070737A1 (https=)

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DE102019126051A1 (de) * 2019-09-26 2021-04-01 Kennametal Inc. Schneidwerkzeug
US11453070B2 (en) * 2020-05-21 2022-09-27 Iscar, Ltd. Rotatable cutting head having torque transmission surfaces on a mounting protuberance and rotary cutting tool
US12576452B2 (en) 2020-07-27 2026-03-17 Mitsubishi Materials Corporation Drill
JP7749963B2 (ja) * 2020-07-27 2025-10-07 三菱マテリアル株式会社 ドリル
US20230321733A1 (en) * 2020-08-21 2023-10-12 Kyocera Corporation Cutting insert, rotary tool, and method for manufacturing machined product
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US11951553B2 (en) * 2021-03-29 2024-04-09 Iscar, Ltd. Rotatable cutting head having tip portion with three radially extending cutting edges forming a rectilinear rotational profile
US12109635B2 (en) * 2021-04-21 2024-10-08 Iscar, Ltd. Rotatable cutting head having tip portion with radially extending cutting edges forming a cutting profile having concave and convex sub-portions
US20220371105A1 (en) * 2021-05-19 2022-11-24 Black & Decker Inc. Step drill bits
KR20240000245U (ko) * 2021-06-06 2024-02-08 바르구스 엘티디 절삭 인서트
JP7632092B2 (ja) * 2021-06-07 2025-02-19 三菱マテリアル株式会社 ドリル
US11819926B2 (en) * 2021-11-16 2023-11-21 Iscar, Ltd Cutting head having four cutting portions and two convex clamping surfaces, and rotary cutting tool
EP4230334A1 (de) * 2022-02-18 2023-08-23 KOMET Deutschland GmbH Bohrgewindefräser
EP4484037A1 (en) 2023-06-30 2025-01-01 AB Sandvik Coromant Drill cutting head
JP7740462B1 (ja) * 2024-08-05 2025-09-17 株式会社タンガロイ 穴あけ工具

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JPH07164228A (ja) * 1993-12-09 1995-06-27 Union Tool Kk プリント基板用小径ドリルおよび加工方法
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EP2343145A1 (en) * 2003-03-05 2011-07-13 Mitsubishi Materials Corporation Throw-away tipped drill, throw-away tip, and drill main body
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JP6791985B2 (ja) * 2016-12-26 2020-11-25 京セラ株式会社 ドリル及びそれを用いた切削加工物の製造方法
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DE102017204452B4 (de) * 2017-03-16 2022-02-17 Kennametal Inc. Rotationswerkzeug
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Also Published As

Publication number Publication date
CN112789132B (zh) 2024-01-23
IL281238B2 (en) 2025-03-01
PL3860791T3 (pl) 2023-02-20
JP7391080B2 (ja) 2023-12-04
TWI786325B (zh) 2022-12-11
IL281238A (en) 2021-04-29
EP3860791B1 (en) 2022-11-02
ES2930951T3 (es) 2022-12-22
US12330224B2 (en) 2025-06-17
CA3115173A1 (en) 2020-04-09
WO2020070737A1 (en) 2020-04-09
BR112021006129A2 (pt) 2021-07-20
IL281238B1 (en) 2024-11-01
EP3860791A1 (en) 2021-08-11
KR20210059704A (ko) 2021-05-25
CN112789132A (zh) 2021-05-11
TW202014261A (zh) 2020-04-16
US20200108449A1 (en) 2020-04-09
JP2022502267A (ja) 2022-01-11
KR102645349B1 (ko) 2024-03-11

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