DE112019003181A5 - STEP DRILL - Google Patents

STEP DRILL Download PDF

Info

Publication number
DE112019003181A5
DE112019003181A5 DE112019003181.3T DE112019003181T DE112019003181A5 DE 112019003181 A5 DE112019003181 A5 DE 112019003181A5 DE 112019003181 T DE112019003181 T DE 112019003181T DE 112019003181 A5 DE112019003181 A5 DE 112019003181A5
Authority
DE
Germany
Prior art keywords
step drill
drill
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
DE112019003181.3T
Other languages
German (de)
Inventor
David Ondra
Oezkan Yildirim
Dennis Mai
Daniel Hoeck
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.)
Ruko GmbH Prazisionswerkzeuge
Original Assignee
Ruko GmbH Prazisionswerkzeuge
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 Ruko GmbH Prazisionswerkzeuge filed Critical Ruko GmbH Prazisionswerkzeuge
Publication of DE112019003181A5 publication Critical patent/DE112019003181A5/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
    • B23B51/009—Stepped 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
    • B23B2251/04—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
    • B23B2251/043—Helix angles
    • B23B2251/046—Variable
    • 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
    • B23B2251/14—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
    • B23B2251/40—Flutes, i.e. chip conveying grooves
    • B23B2251/408—Spiral grooves
DE112019003181.3T 2018-06-28 2019-06-28 STEP DRILL Pending DE112019003181A5 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102018115624.3A DE102018115624A1 (en) 2018-06-28 2018-06-28 Step drills
DE102018115624.3 2018-06-28
PCT/EP2019/067302 WO2020002581A1 (en) 2018-06-28 2019-06-28 Step drill

Publications (1)

Publication Number Publication Date
DE112019003181A5 true DE112019003181A5 (en) 2021-04-01

Family

ID=67262270

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102018115624.3A Withdrawn DE102018115624A1 (en) 2018-06-28 2018-06-28 Step drills
DE112019003181.3T Pending DE112019003181A5 (en) 2018-06-28 2019-06-28 STEP DRILL

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102018115624.3A Withdrawn DE102018115624A1 (en) 2018-06-28 2018-06-28 Step drills

Country Status (2)

Country Link
DE (2) DE102018115624A1 (en)
WO (1) WO2020002581A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11273501B2 (en) 2018-04-26 2022-03-15 Milwaukee Electric Tool Corporation Step drill bit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1205060A (en) * 1967-10-10 1970-09-16 Barworth Flockton Ltd Improved drill
DE9414659U1 (en) * 1994-09-09 1994-11-17 Duerr Praezisionswerkzeuge Gmb Multi-step drill
DE20004523U1 (en) * 2000-03-10 2000-08-17 Quanz Reiner Drilling tool
US8029215B2 (en) * 2007-01-05 2011-10-04 Greenlee Textron Inc. Spiral drill bit and method of forming same
CN101007358A (en) * 2007-01-29 2007-08-01 张琦 Single-groove high speed steel fully ground step drill

Also Published As

Publication number Publication date
WO2020002581A1 (en) 2020-01-02
DE102018115624A1 (en) 2020-01-02

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