ES437919A1 - Perfeccionamientos en la fabricacion de brocas helicoidales. - Google Patents

Perfeccionamientos en la fabricacion de brocas helicoidales.

Info

Publication number
ES437919A1
ES437919A1 ES437919A ES437919A ES437919A1 ES 437919 A1 ES437919 A1 ES 437919A1 ES 437919 A ES437919 A ES 437919A ES 437919 A ES437919 A ES 437919A ES 437919 A1 ES437919 A1 ES 437919A1
Authority
ES
Spain
Prior art keywords
twist drills
drills
edges
helicoidal
sharpened
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.)
Expired
Application number
ES437919A
Other languages
English (en)
Spanish (es)
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.)
Osborn Mushet Tools Ltd
Original Assignee
Osborn Mushet Tools 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 Osborn Mushet Tools Ltd filed Critical Osborn Mushet Tools Ltd
Publication of ES437919A1 publication Critical patent/ES437919A1/es
Expired 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
    • B23B51/02—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
    • B23B2251/04—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
    • 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
    • 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
    • B23B2251/406—Flutes, i.e. chip conveying grooves of special form not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
ES437919A 1974-05-17 1975-05-16 Perfeccionamientos en la fabricacion de brocas helicoidales. Expired ES437919A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22130/74A GB1509912A (en) 1974-05-17 1974-05-17 Twist drills

Publications (1)

Publication Number Publication Date
ES437919A1 true ES437919A1 (es) 1977-01-01

Family

ID=10174379

Family Applications (1)

Application Number Title Priority Date Filing Date
ES437919A Expired ES437919A1 (es) 1974-05-17 1975-05-16 Perfeccionamientos en la fabricacion de brocas helicoidales.

Country Status (15)

Country Link
JP (1) JPS50156790A (pt)
AU (1) AU500271B2 (pt)
BR (1) BR7503011A (pt)
CA (1) CA1022775A (pt)
DE (1) DE2521938C3 (pt)
ES (1) ES437919A1 (pt)
FR (1) FR2270978A1 (pt)
GB (1) GB1509912A (pt)
IE (1) IE41050B1 (pt)
IL (1) IL47302A (pt)
IN (1) IN144887B (pt)
IT (1) IT1038197B (pt)
NL (1) NL7505612A (pt)
SE (1) SE7505581L (pt)
ZA (1) ZA753040B (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5331286A (en) * 1976-09-02 1978-03-24 Riyousuke Hosoi Ball end mill
SE8300910L (sv) * 1983-02-18 1984-08-19 Santrade Ltd Sammansatt kropp bestaende av ett substrat belagt med hart, slitstarkt ytskikt
GB2184046B (en) * 1985-12-13 1990-01-24 Skf & Dormer Tools Twist drill
JPS634211U (pt) * 1986-06-23 1988-01-12
DE3891420T1 (de) * 1988-10-21 1990-11-22 Aleksej Vladimirovic Cubkov Spiralbohrer
EP2366478B1 (en) * 2001-07-10 2020-04-15 Mitsubishi Materials Corporation Drill
JP2006055965A (ja) * 2004-08-23 2006-03-02 Osg Corp 低加工硬化超硬ドリル
JP5301647B2 (ja) * 2009-02-20 2013-09-25 オーエスジー株式会社 ドリル付きタップ、およびめねじ加工方法

Also Published As

Publication number Publication date
IL47302A (en) 1978-03-10
BR7503011A (pt) 1976-04-20
IT1038197B (it) 1979-11-20
IN144887B (pt) 1978-07-22
DE2521938A1 (de) 1975-11-27
DE2521938B2 (de) 1979-07-05
AU500271B2 (en) 1979-05-17
ZA753040B (en) 1976-04-28
DE2521938C3 (de) 1980-03-06
CA1022775A (en) 1977-12-20
IE41050B1 (en) 1979-10-10
IL47302A0 (en) 1975-07-28
IE41050L (en) 1975-11-17
SE7505581L (sv) 1975-11-18
JPS50156790A (pt) 1975-12-18
AU8125675A (en) 1976-11-25
FR2270978A1 (pt) 1975-12-12
NL7505612A (nl) 1975-11-19
GB1509912A (en) 1978-05-04

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