BR7503011A - Aperfeicoamento em broca helicoidal - Google Patents

Aperfeicoamento em broca helicoidal

Info

Publication number
BR7503011A
BR7503011A BR3840/75D BR7503840D BR7503011A BR 7503011 A BR7503011 A BR 7503011A BR 3840/75 D BR3840/75 D BR 3840/75D BR 7503840 D BR7503840 D BR 7503840D BR 7503011 A BR7503011 A BR 7503011A
Authority
BR
Brazil
Prior art keywords
helicide
perfecting
drill
helicide drill
drill perfecting
Prior art date
Application number
BR3840/75D
Other languages
English (en)
Portuguese (pt)
Inventor
K Siddall
Original Assignee
Osborn Mushet 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 Ltd filed Critical Osborn Mushet Ltd
Publication of BR7503011A publication Critical patent/BR7503011A/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
    • B23B51/02—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)
BR3840/75D 1974-05-17 1975-05-15 Aperfeicoamento em broca helicoidal BR7503011A (pt)

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
BR7503011A true BR7503011A (pt) 1976-04-20

Family

ID=10174379

Family Applications (1)

Application Number Title Priority Date Filing Date
BR3840/75D BR7503011A (pt) 1974-05-17 1975-05-15 Aperfeicoamento em broca helicoidal

Country Status (15)

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

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 (de) * 1986-06-23 1988-01-12
DE3891420T1 (de) * 1988-10-21 1990-11-22 Aleksej Vladimirovic Cubkov Spiralbohrer
EP2366478B1 (de) * 2001-07-10 2020-04-15 Mitsubishi Materials Corporation Bohrer
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
IT1038197B (it) 1979-11-20
IN144887B (de) 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
ES437919A1 (es) 1977-01-01
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 (de) 1975-12-18
AU8125675A (en) 1976-11-25
FR2270978A1 (de) 1975-12-12
NL7505612A (nl) 1975-11-19
GB1509912A (en) 1978-05-04

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