CA3115173A1 - Cutting head having tip portion with radially extending front cutting edges provided with both negative and positive rake angles, and rotary cutting tool - Google Patents

Cutting head having tip portion with radially extending front cutting edges provided with both negative and positive rake angles, and rotary cutting tool Download PDF

Info

Publication number
CA3115173A1
CA3115173A1 CA3115173A CA3115173A CA3115173A1 CA 3115173 A1 CA3115173 A1 CA 3115173A1 CA 3115173 A CA3115173 A CA 3115173A CA 3115173 A CA3115173 A CA 3115173A CA 3115173 A1 CA3115173 A1 CA 3115173A1
Authority
CA
Canada
Prior art keywords
cutting
gash
cutting head
axis
head
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CA3115173A
Other languages
English (en)
French (fr)
Inventor
Arie BRODSKI
David Ben Harouche
Anatoly YANOVSKI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Iscar Ltd
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 CA3115173A1 publication Critical patent/CA3115173A1/en
Pending legal-status Critical Current

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)
CA3115173A 2018-10-04 2019-09-10 Cutting head having tip portion with radially extending front cutting edges provided with both negative and positive rake angles, and rotary cutting tool Pending CA3115173A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862741000P 2018-10-04 2018-10-04
US62/741,000 2018-10-04
PCT/IL2019/051010 WO2020070737A1 (en) 2018-10-04 2019-09-10 Cutting head having tip portion with radially extending front cutting edges provided with both negative and positive rake angles, and rotary cutting tool

Publications (1)

Publication Number Publication Date
CA3115173A1 true CA3115173A1 (en) 2020-04-09

Family

ID=68072921

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3115173A Pending CA3115173A1 (en) 2018-10-04 2019-09-10 Cutting head having tip portion with radially extending front cutting edges provided with both negative and positive rake angles, and rotary cutting tool

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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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
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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
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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
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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
PT3860791T (pt) 2023-01-20
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
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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