AU617261B2 - Drill apparatus provided with electromagnet base and having function of stopping drilling in response to detection of floating of the electromagnetic base - Google Patents

Drill apparatus provided with electromagnet base and having function of stopping drilling in response to detection of floating of the electromagnetic base Download PDF

Info

Publication number
AU617261B2
AU617261B2 AU69938/91A AU6993891A AU617261B2 AU 617261 B2 AU617261 B2 AU 617261B2 AU 69938/91 A AU69938/91 A AU 69938/91A AU 6993891 A AU6993891 A AU 6993891A AU 617261 B2 AU617261 B2 AU 617261B2
Authority
AU
Australia
Prior art keywords
voltage
output
hall
comparator
hall element
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
AU69938/91A
Other languages
English (en)
Other versions
AU6993891A (en
Inventor
Michihiro Shoji
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.)
Nitto Kohki Co Ltd
Original Assignee
Nitto Kohki Co 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 Nitto Kohki Co Ltd filed Critical Nitto Kohki Co Ltd
Publication of AU6993891A publication Critical patent/AU6993891A/en
Application granted granted Critical
Publication of AU617261B2 publication Critical patent/AU617261B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/0021—Stands, supports or guiding devices for positioning portable tools or for securing them to the work
    • B25H1/0057—Devices for securing hand tools to the work
    • B25H1/0064—Stands attached to the workpiece
    • B25H1/0071—Stands attached to the workpiece by magnetic means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/20—Electromagnets; Actuators including electromagnets without armatures
    • H01F7/206—Electromagnets for lifting, handling or transporting of magnetic pieces or material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/13—Cutting by use of rotating axially moving tool with randomly-actuated stopping means
    • Y10T408/14—Responsive to condition of Tool or tool-drive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/55—Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
    • Y10T408/554—Magnetic or suction means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Drilling And Boring (AREA)
AU69938/91A 1990-01-26 1991-01-24 Drill apparatus provided with electromagnet base and having function of stopping drilling in response to detection of floating of the electromagnetic base Expired AU617261B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1990006333U JP2510451Y2 (ja) 1990-01-26 1990-01-26 電磁石ベ―ス付ドリル装置
JP2-6333 1990-01-26

Publications (2)

Publication Number Publication Date
AU6993891A AU6993891A (en) 1991-08-01
AU617261B2 true AU617261B2 (en) 1991-11-21

Family

ID=11635439

Family Applications (1)

Application Number Title Priority Date Filing Date
AU69938/91A Expired AU617261B2 (en) 1990-01-26 1991-01-24 Drill apparatus provided with electromagnet base and having function of stopping drilling in response to detection of floating of the electromagnetic base

Country Status (7)

Country Link
US (1) US5096339A (enExample)
JP (1) JP2510451Y2 (enExample)
KR (1) KR930002172Y1 (enExample)
AU (1) AU617261B2 (enExample)
DE (1) DE4102201C2 (enExample)
GB (1) GB2241618B (enExample)
IT (1) IT1245497B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU622064B2 (en) * 1990-01-26 1992-03-26 Nitto Kohki Co., Ltd. Drill device having electromagnetic base to which swarf is difficult to cling

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2276246B (en) * 1990-10-27 1995-03-15 Birt Electronic Systems Limite Hall effect sensors
WO1997003911A1 (de) * 1995-07-24 1997-02-06 Railfix N.V. Elektro-permanentmagnetsystem zum manövrieren von einer magnetischen insbesondere ferromagnetischen last
WO1997003912A1 (de) * 1995-07-24 1997-02-06 Railfix N.V. System zum manövrieren einer magnetischen insbesondere ferromagnetischen last
JP3027538B2 (ja) * 1996-05-28 2000-04-04 日東工器株式会社 穿孔機制御装置
US6874980B1 (en) * 2002-10-25 2005-04-05 Controller for the electric motor of a high-speed spindle attachment used with computer-controlled milling machines
NZ540615A (en) * 2004-06-09 2006-11-30 Lyons & Mackenzie Proprietary Safety switch for motor that compares measured signal with filtered version of signal
US7677844B2 (en) * 2005-04-19 2010-03-16 Black & Decker Inc. Electronic clutch for tool chuck with power take off and dead spindle features
US8376667B2 (en) * 2007-07-27 2013-02-19 Milwaukee Electric Tool Corporation AC/DC magnetic drill press
US20090065225A1 (en) * 2007-09-07 2009-03-12 Black & Decker Inc. Switchable anti-lock control
US7854274B2 (en) * 2007-11-21 2010-12-21 Black & Decker Inc. Multi-mode drill and transmission sub-assembly including a gear case cover supporting biasing
US7717192B2 (en) * 2007-11-21 2010-05-18 Black & Decker Inc. Multi-mode drill with mode collar
US7798245B2 (en) 2007-11-21 2010-09-21 Black & Decker Inc. Multi-mode drill with an electronic switching arrangement
US7717191B2 (en) * 2007-11-21 2010-05-18 Black & Decker Inc. Multi-mode hammer drill with shift lock
US7762349B2 (en) * 2007-11-21 2010-07-27 Black & Decker Inc. Multi-speed drill and transmission with low gear only clutch
US7735575B2 (en) 2007-11-21 2010-06-15 Black & Decker Inc. Hammer drill with hard hammer support structure
US7770660B2 (en) 2007-11-21 2010-08-10 Black & Decker Inc. Mid-handle drill construction and assembly process
DE102008035308A1 (de) * 2008-07-23 2010-01-28 C. & E. Fein Gmbh Bohrmaschine, insbesondere Kernlochbohrmaschine, sowie Verfahren zum Steuern einer solchen
DE102009022333A1 (de) * 2009-05-13 2010-11-18 C. & E. Fein Gmbh Magnetbohrständer mit Überwachung der Haltekraft
US20130287508A1 (en) 2012-04-25 2013-10-31 Milwaukee Electric Tool Corporation Magnetic drill press
DE112013004264B4 (de) 2012-08-31 2023-03-09 Uttam Sarda Elektropermanentmagnetische Haltevorrichtung mit Magnetflusssensor
WO2014169297A1 (en) * 2013-03-15 2014-10-16 Milwaukee Electric Tool Corporation Magnetic drill press
CN205496630U (zh) 2013-04-19 2016-08-24 米沃奇电动工具公司 磁力钻床
DE102013213120A1 (de) * 2013-07-04 2015-01-08 Metabowerke Gmbh Werkzeuggerät mit Abhebeerkennung
US9764438B2 (en) 2014-03-07 2017-09-19 Milwaukee Electric Tool Corporation Electromagnetic base for magnetic drill press
US9561568B2 (en) 2014-04-25 2017-02-07 Black & Decker Inc. Magnetic drill press with alternate power source
US9453769B2 (en) 2014-08-25 2016-09-27 Maglogix, Llc Method for developing a sensing system to measure the attractive force between a magnetic structure and its target by quantifying the opposing residual magnetic field (ORMF)
US10195707B2 (en) 2014-11-14 2019-02-05 Rolls-Royce Corporation Milling system
EP3109008B1 (en) * 2015-06-24 2018-08-15 Black & Decker Inc. Magnetic drill press with alternate power source
US10406672B2 (en) * 2016-02-01 2019-09-10 Milwaukee Electric Tool Corporation Holding force detection for magnetic drill press
CN108555332A (zh) * 2018-07-17 2018-09-21 蚌埠市鸿鹄精工机械有限公司 一种钻床
AU2020338309B2 (en) * 2019-08-28 2024-02-08 Nitto Kohki Co., Ltd. Portable machining tool

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7710481A (en) * 1979-04-05 1982-02-25 Everett Douglas Hougen Magnetic base drill
AU6985091A (en) * 1990-01-26 1991-08-29 Nitto Kohki Co., Ltd. Drill device having electromagnetic base to which swarf is difficult to cling

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4278371A (en) * 1980-02-29 1981-07-14 Milwaukee Electric Tool Corporation Safety interlock for electro-magnetic drill stand
JPS57102709A (en) * 1980-12-12 1982-06-25 Hitachi Koki Co Ltd Magnetic boring machine
KR860000144B1 (ko) * 1981-11-20 1986-02-27 도시오 미끼야 전자(電磁)베이스를 갖춘 드릴링 머어신
CH655455B (enExample) * 1982-02-26 1986-04-30
US4639170A (en) * 1985-04-08 1987-01-27 Milwaukee Electric Tool Corporation Magnetic base for portable tools
JPH078444B2 (ja) * 1986-11-28 1995-02-01 日東工器株式会社 穿孔機

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7710481A (en) * 1979-04-05 1982-02-25 Everett Douglas Hougen Magnetic base drill
AU6985091A (en) * 1990-01-26 1991-08-29 Nitto Kohki Co., Ltd. Drill device having electromagnetic base to which swarf is difficult to cling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU622064B2 (en) * 1990-01-26 1992-03-26 Nitto Kohki Co., Ltd. Drill device having electromagnetic base to which swarf is difficult to cling

Also Published As

Publication number Publication date
IT1245497B (it) 1994-09-27
ITMI910182A0 (it) 1991-01-25
GB2241618A (en) 1991-09-04
KR930002172Y1 (ko) 1993-04-26
JP2510451Y2 (ja) 1996-09-11
GB2241618B (en) 1994-01-05
JPH03126512U (enExample) 1991-12-19
DE4102201A1 (de) 1991-10-31
DE4102201C2 (de) 1997-02-27
KR910014034U (ko) 1991-08-30
ITMI910182A1 (it) 1992-07-25
US5096339A (en) 1992-03-17
AU6993891A (en) 1991-08-01
GB9101568D0 (en) 1991-03-06

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