EP2243599A3 - Impact wrench and control method for same - Google Patents

Impact wrench and control method for same Download PDF

Info

Publication number
EP2243599A3
EP2243599A3 EP10158723.6A EP10158723A EP2243599A3 EP 2243599 A3 EP2243599 A3 EP 2243599A3 EP 10158723 A EP10158723 A EP 10158723A EP 2243599 A3 EP2243599 A3 EP 2243599A3
Authority
EP
European Patent Office
Prior art keywords
impact wrench
control method
same
speed range
impact
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
EP10158723.6A
Other languages
German (de)
French (fr)
Other versions
EP2243599B1 (en
EP2243599A2 (en
Inventor
Dieter Profunser
Peter Brugger
Jochen Kuntner
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Publication of EP2243599A2 publication Critical patent/EP2243599A2/en
Publication of EP2243599A3 publication Critical patent/EP2243599A3/en
Application granted granted Critical
Publication of EP2243599B1 publication Critical patent/EP2243599B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B25B21/02—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/1405—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers for impact wrenches or screwdrivers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/147—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
    • B25B23/1475—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers for impact wrenches or screwdrivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

Das erfindungsgemässe Steuerverfahren für einen Schlagschrauber (1) verwendet nachfolgende Schritte. Es wird ermittelt, ob der Schlagschraubers (1) schlägt, wenn sich die Antriebswelle (3) in einem niedrigen Drehzahlbereich dreht. Die Drehzahl der Antriebswelle (3) wird auf einen höheren Drehzahlbereich in Abhängigkeit eines ermittelten Schlagens beim Drehen im niedrigen Drehzahlbereich erhöht.

Figure imgaf001
The control method according to the invention for an impact wrench (1) uses the following steps. It is determined whether the impact wrench (1) strikes when the drive shaft (3) rotates in a low speed range. The speed of the drive shaft (3) is increased to a higher speed range as a function of a determined impact when turning in the low speed range.
Figure imgaf001
EP10158723.6A 2009-04-20 2010-03-31 Impact wrench and control method for same Active EP2243599B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009002479.4A DE102009002479B4 (en) 2009-04-20 2009-04-20 Impact wrench and control method for an impact wrench

Publications (3)

Publication Number Publication Date
EP2243599A2 EP2243599A2 (en) 2010-10-27
EP2243599A3 true EP2243599A3 (en) 2017-03-08
EP2243599B1 EP2243599B1 (en) 2018-07-04

Family

ID=42340355

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10158723.6A Active EP2243599B1 (en) 2009-04-20 2010-03-31 Impact wrench and control method for same

Country Status (4)

Country Link
US (1) US9469019B2 (en)
EP (1) EP2243599B1 (en)
JP (1) JP2010247326A (en)
DE (1) DE102009002479B4 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011122695A1 (en) * 2010-03-31 2011-10-06 Hitachi Koki Co., Ltd. Power tool
DE102011017671A1 (en) * 2011-04-28 2012-10-31 Hilti Aktiengesellschaft Hand tool
DE102013202248A1 (en) * 2012-05-29 2013-12-05 Robert Bosch Gmbh Tool device for hand-held power tool used in drilling hammer, has surface profiles which are provided in region of sliding connection of guide elements and sliding elements for transferring fluid
DE102012218300A1 (en) * 2012-10-08 2014-04-10 Hilti Aktiengesellschaft Method and apparatus for operating a hand tool with a tangential impactor
JP6102559B2 (en) * 2013-06-21 2017-03-29 マックス株式会社 Rotating tool
DE102013224759A1 (en) * 2013-12-03 2015-06-03 Robert Bosch Gmbh Machine tool device
JP6297854B2 (en) 2014-02-18 2018-03-20 株式会社マキタ Rotating hammer tool
EP2921263A1 (en) 2014-03-17 2015-09-23 HILTI Aktiengesellschaft Load-dependent impact response detection
DE102014211891A1 (en) * 2014-06-20 2015-12-24 Robert Bosch Gmbh Method for operating a power tool
US10406662B2 (en) * 2015-02-27 2019-09-10 Black & Decker Inc. Impact tool with control mode
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
WO2016196979A1 (en) 2015-06-05 2016-12-08 Ingersoll-Rand Company Impact tools with ring gear alignment features
US10615670B2 (en) 2015-06-05 2020-04-07 Ingersoll-Rand Industrial U.S., Inc. Power tool user interfaces
ES2913931T3 (en) * 2016-02-25 2022-06-06 Milwaukee Electric Tool Corp Power tool including an output position sensor
US11097405B2 (en) 2017-07-31 2021-08-24 Ingersoll-Rand Industrial U.S., Inc. Impact tool angular velocity measurement system
SE541543C2 (en) * 2017-11-17 2019-10-29 Atlas Copco Ind Technique Ab Method for controlling a tightening tool
JP2020001147A (en) * 2018-07-02 2020-01-09 オムロン株式会社 Electric power tool and control method for the same, and control program
JP7112351B2 (en) * 2019-02-26 2022-08-03 株式会社Subaru impact tool
EP4263138A1 (en) 2020-12-18 2023-10-25 Black & Decker Inc. Impact tools and control modes

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0552990A1 (en) * 1992-01-23 1993-07-28 Makita Corporation Tightening tool
EP1595650A2 (en) * 2004-05-12 2005-11-16 Matsushita Electric Works, Ltd. Rotary impact tool
EP1695794A2 (en) * 2005-02-23 2006-08-30 Matsushita Electric Works, Ltd. Impact fastening tool

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19503524A1 (en) * 1995-02-03 1996-08-08 Bosch Gmbh Robert Impulse screwdriver and method for tightening a screw connection using the impulse screwdriver
JP3906606B2 (en) * 1999-06-11 2007-04-18 松下電工株式会社 Impact rotary tool
JP2001019768A (en) * 1999-07-08 2001-01-23 Rengo Co Ltd High-molecular weight thiourea polymer and its production
JP2001246574A (en) * 2000-03-03 2001-09-11 Matsushita Electric Works Ltd Impact rotatry tool
JP2003200363A (en) * 2001-12-26 2003-07-15 Makita Corp Battery type power tool
US7070036B2 (en) 2003-08-29 2006-07-04 Muncie Power Products, Inc. Power takeoff device
JP2005118910A (en) * 2003-10-14 2005-05-12 Matsushita Electric Works Ltd Impact rotary tool
JP2006231445A (en) * 2005-02-23 2006-09-07 Matsushita Electric Works Ltd Impact fastening tool
JP4400519B2 (en) * 2005-06-30 2010-01-20 パナソニック電工株式会社 Impact rotary tool
SE0501762L (en) 2005-08-03 2007-01-30 Teknoskand Invent Ab Height adjustment mechanism for window fittings
EP2030710B1 (en) * 2007-08-29 2014-04-23 Positec Power Tools (Suzhou) Co., Ltd. Power tool and control system for a power tool
JP5234287B2 (en) * 2009-04-07 2013-07-10 マックス株式会社 Electric tool and motor control method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0552990A1 (en) * 1992-01-23 1993-07-28 Makita Corporation Tightening tool
EP1595650A2 (en) * 2004-05-12 2005-11-16 Matsushita Electric Works, Ltd. Rotary impact tool
EP1695794A2 (en) * 2005-02-23 2006-08-30 Matsushita Electric Works, Ltd. Impact fastening tool

Also Published As

Publication number Publication date
EP2243599B1 (en) 2018-07-04
DE102009002479B4 (en) 2015-02-19
US9469019B2 (en) 2016-10-18
JP2010247326A (en) 2010-11-04
EP2243599A2 (en) 2010-10-27
US20100263890A1 (en) 2010-10-21
DE102009002479A1 (en) 2010-10-28

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