EP2397258A3 - Screw driver - Google Patents

Screw driver Download PDF

Info

Publication number
EP2397258A3
EP2397258A3 EP11164030.6A EP11164030A EP2397258A3 EP 2397258 A3 EP2397258 A3 EP 2397258A3 EP 11164030 A EP11164030 A EP 11164030A EP 2397258 A3 EP2397258 A3 EP 2397258A3
Authority
EP
European Patent Office
Prior art keywords
speed
drive
certain
controller
monitoring
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.)
Granted
Application number
EP11164030.6A
Other languages
German (de)
French (fr)
Other versions
EP2397258A2 (en
EP2397258B1 (en
Inventor
Michael Kaufmann
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.)
C&E Fein GmbH and Co
Original Assignee
C&E Fein GmbH and Co
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 C&E Fein GmbH and Co filed Critical C&E Fein GmbH and Co
Publication of EP2397258A2 publication Critical patent/EP2397258A2/en
Publication of EP2397258A3 publication Critical patent/EP2397258A3/en
Application granted granted Critical
Publication of EP2397258B1 publication Critical patent/EP2397258B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/147Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Control Of Electric Motors In General (AREA)

Abstract

Es wird ein Schrauber mit einem Antrieb zum Antrieb einer Werkzeugspindel angegeben, mit einer Steuerung zur Steuerung des Antriebs, mit einer Überwachungseinrichtung zur Überwachung der Drehzahl oder des Drehmoments, und mit einer Überwachungseinrichtung zur Überwachung eines Abschaltkriteriums, die mit der Steuerung gekoppelt ist, um den Antrieb bei Erreichen des Abschaltkriteriums abzuschalten, wobei die Steuerung derart programmiert ist, dass (a) der Antrieb zunächst beschleunigt wird, bis die Drehzahl (n) eine bestimmte erste Drehzahl (n1) erreicht hat; (b) falls die Drehzahl (n) anschließend mindestens um einen bestimmten Betrag innerhalb eines bestimmten Zeitinkrementes abfällt oder das Drehmoment mindestens um einen bestimmten Betrag innerhalb eines bestimmten Zeitinkrementes ansteigt, der Antrieb abgebremst wird, bis die Drehzahl (n) eine bestimmte zweite Drehzahl (n2) erreicht hat, die niedriger als die erste Drehzahl (n1) ist; (c) der Antrieb danach für eine bestimmte Zeit auf die zweite Drehzahl (n2) geregelt wird; und (d) der Antrieb nach dem Schritt (c) wieder beschleunigt wird, maximal bis die Drehzahl (n) die erste Drehzahl (n1) erreicht (Fig. 3).

Figure imgaf001
A screwdriver is provided with a drive for driving a tool spindle, with a controller for controlling the drive, with a monitoring device for monitoring the rotational speed or the torque, and with a monitoring device for monitoring a switch-off criterion, which is coupled to the controller to the Disable drive upon reaching the shutdown criterion, wherein the controller is programmed so that (a) the drive is first accelerated until the speed (n) has reached a certain first speed (n 1 ); (b) if the speed (n) then decreases by at least a certain amount within a certain time increment or the torque increases at least a certain amount within a certain time increment, the drive is decelerated until the speed (n) reaches a certain second speed ( n has reached 2) lower than the first speed (n 1); (c) the drive is then controlled for a certain time to the second speed (n 2 ); and (d) the drive is re-accelerated after step (c), maximally until the speed (n) reaches the first speed (n 1 ) (Figure 3).
Figure imgaf001

EP11164030.6A 2010-06-18 2011-04-28 Screw driver Active EP2397258B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010024920 DE102010024920A1 (en) 2010-06-18 2010-06-18 Screwdrivers

Publications (3)

Publication Number Publication Date
EP2397258A2 EP2397258A2 (en) 2011-12-21
EP2397258A3 true EP2397258A3 (en) 2014-05-07
EP2397258B1 EP2397258B1 (en) 2015-09-23

Family

ID=44789233

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11164030.6A Active EP2397258B1 (en) 2010-06-18 2011-04-28 Screw driver

Country Status (3)

Country Link
US (1) US8985237B2 (en)
EP (1) EP2397258B1 (en)
DE (1) DE102010024920A1 (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011005079A1 (en) * 2011-03-04 2012-09-06 Hilti Aktiengesellschaft Setting method for an expansion anchor and impact wrench for setting a spreading anchor
DE102012108332A1 (en) * 2012-08-29 2014-03-06 Hs-Technik Gmbh Method for regulation of speed of driving tool for tightening of screw, involves monitoring torque generated during screw fastening process to reduce speed of driving tool over time course of screw fastening process
FR2996483B1 (en) * 2012-10-05 2015-04-17 Renault Georges Ets VENTING DEVICE WITHOUT REACTION IN THE HANDLE
DE102012218272A1 (en) * 2012-10-08 2014-04-10 Robert Bosch Gmbh Hand tool
DE102013212546B4 (en) * 2013-06-28 2023-12-14 Robert Bosch Gmbh Hand-held machine tool operating device
JP6322387B2 (en) * 2013-11-05 2018-05-09 Tone株式会社 Fastening device and fastening method
DE102014211891A1 (en) * 2014-06-20 2015-12-24 Robert Bosch Gmbh Method for operating a power tool
US10668614B2 (en) 2015-06-05 2020-06-02 Ingersoll-Rand Industrial U.S., Inc. Impact tools with ring gear alignment features
WO2016196918A1 (en) 2015-06-05 2016-12-08 Ingersoll-Rand Company Power tool user interfaces
WO2016196899A1 (en) 2015-06-05 2016-12-08 Ingersoll-Rand Company Power tool housings
WO2016196984A1 (en) * 2015-06-05 2016-12-08 Ingersoll-Rand Company Power tools with user-selectable operational modes
JP6863705B2 (en) * 2016-10-07 2021-04-21 株式会社マキタ Electric tool
JP6981744B2 (en) 2016-10-07 2021-12-17 株式会社マキタ Hammer drill
JP6757226B2 (en) 2016-10-07 2020-09-16 株式会社マキタ Electric tool
DE102017002440A1 (en) * 2017-03-13 2018-09-13 Liebherr-Components Biberach Gmbh Method and device for tightening screw connections
DE102017223589A1 (en) * 2017-12-21 2019-06-27 Zf Friedrichshafen Ag Method for mounting a screw, mounting device and control device
DE102018201074A1 (en) * 2018-01-24 2019-07-25 Robert Bosch Gmbh Method for controlling an impact wrench
DE102018114275A1 (en) * 2018-06-14 2019-12-19 Metabowerke Gmbh Method for controlling the torque of an electric hand tool device
FR3105050B1 (en) * 2019-12-19 2021-12-10 Renault Georges Ets Method for controlling a screwdriver quality level for a screwdriver, associated device and program implementing the method.
DE102020207023A1 (en) * 2020-06-04 2021-12-09 Festool Gmbh Power tool apparatus and method
EP3960371A1 (en) * 2020-09-01 2022-03-02 Hilti Aktiengesellschaft Machine and method for running a machine
DE102021119958A1 (en) 2021-08-02 2023-03-16 Wagner Vermögensverwaltungs-GmbH & Co. Kommanditgesellschaft Method of controlling a nutrunner
DE102021208653A1 (en) 2021-08-09 2023-02-09 Robert Bosch Gesellschaft mit beschränkter Haftung Method for controlling a handheld power tool

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0642891A1 (en) * 1993-09-02 1995-03-15 Atlas Copco Tools Ab, Nacka Method and device for tightening threaded joints
EP1785231A2 (en) * 2005-11-14 2007-05-16 C. & E. FEIN GmbH Screwdriver featuring rotational speed regulation and method of controlling the rotational speed of a screwdriver

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3742952A1 (en) 1987-12-18 1989-07-06 Fein C & E MACHINE WITH VARIABLE TORQUE ADJUSTMENT
JP2943457B2 (en) * 1991-09-30 1999-08-30 トヨタ自動車株式会社 Nutrunner
US5215270A (en) * 1992-06-18 1993-06-01 Cooper Industries, Inc. Method for tightening a fastener
US5637968A (en) * 1993-10-25 1997-06-10 The Stanley Works Power tool with automatic downshift feature
DE19845018C1 (en) 1998-09-30 1999-12-16 Fein C & E Powered screwdriver tool
JP4339275B2 (en) * 2005-05-12 2009-10-07 株式会社エスティック Method and apparatus for controlling impact type screw fastening device
DE102006017193A1 (en) 2006-04-12 2007-10-25 Robert Bosch Gmbh Method for tightening a screw connection and screwing tool
DE102008033866B4 (en) 2008-07-19 2023-06-15 Festool Gmbh Control device for an electric drive motor and machine tool

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0642891A1 (en) * 1993-09-02 1995-03-15 Atlas Copco Tools Ab, Nacka Method and device for tightening threaded joints
EP1785231A2 (en) * 2005-11-14 2007-05-16 C. & E. FEIN GmbH Screwdriver featuring rotational speed regulation and method of controlling the rotational speed of a screwdriver

Also Published As

Publication number Publication date
US8985237B2 (en) 2015-03-24
EP2397258A2 (en) 2011-12-21
US20110308827A1 (en) 2011-12-22
EP2397258B1 (en) 2015-09-23
DE102010024920A1 (en) 2011-12-22

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