SE9904784L - Procedure, apparatus and system for determining torque - Google Patents
Procedure, apparatus and system for determining torqueInfo
- Publication number
- SE9904784L SE9904784L SE9904784A SE9904784A SE9904784L SE 9904784 L SE9904784 L SE 9904784L SE 9904784 A SE9904784 A SE 9904784A SE 9904784 A SE9904784 A SE 9904784A SE 9904784 L SE9904784 L SE 9904784L
- Authority
- SE
- Sweden
- Prior art keywords
- torque
- estimated
- pulse
- joint
- pulse driven
- Prior art date
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
A method and a device and system in which a torque applied to a bolt, screw or other fastener in a screw threaded joint using a pulse driven torque wrench is estimated. The pulse driven torque wrench is arranged with means for sensing torque applied by the pulse driven torque wrench, also with signal processing means and with control means to control the drive means. The present invention comprises memory and calculation means so that parameters may be calculated from measurements of torque applied. The applied torque is estimated from calculated parameters that describe the form of each pulse, enabling the applied torque to be accurately estimated. The main advantage of the invention is that it provides an accurate and consistent estimate of applied torque. It is also particularly fast and economic to use because no reset or re-calibration is needed for higher or lower torque values and for different fastener/joint combinations. The mode or rate of shut-off also may be pre-determined to suit the type of joint.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9904784A SE517560C2 (en) | 1999-12-23 | 1999-12-23 | Method, apparatus and system for determining the torque using calculated pulse parameters |
PCT/SE2000/002615 WO2001047669A1 (en) | 1999-12-23 | 2000-12-21 | Method, device and system for determining torque |
AU25666/01A AU2566601A (en) | 1999-12-23 | 2000-12-21 | Method, device and system for determining torque |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9904784A SE517560C2 (en) | 1999-12-23 | 1999-12-23 | Method, apparatus and system for determining the torque using calculated pulse parameters |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9904784D0 SE9904784D0 (en) | 1999-12-23 |
SE9904784L true SE9904784L (en) | 2001-06-24 |
SE517560C2 SE517560C2 (en) | 2002-06-18 |
Family
ID=20418308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9904784A SE517560C2 (en) | 1999-12-23 | 1999-12-23 | Method, apparatus and system for determining the torque using calculated pulse parameters |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2566601A (en) |
SE (1) | SE517560C2 (en) |
WO (1) | WO2001047669A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1250580B1 (en) | 1999-12-16 | 2009-10-21 | Magna-Lastic Devices, Inc. | Impact tool control method and apparatus and impact tool using the same |
AU2002316996A1 (en) * | 2001-06-25 | 2003-01-08 | Fast Technology Ag | Power torque tool |
EP1447177B1 (en) * | 2003-02-05 | 2011-04-20 | Makita Corporation | Power tool with a torque limiter using only rotational angle detecting means |
SE525666C2 (en) * | 2003-07-07 | 2005-03-29 | Atlas Copco Tools Ab | Method for quality assurance of screw joint tightening |
US7699118B2 (en) * | 2004-01-30 | 2010-04-20 | Abas, Inc. | System and method for controlling an impact tool |
SE528114C2 (en) * | 2004-09-20 | 2006-09-05 | Atlas Copco Tools Ab | Method for quality control of a screw tightening process carried out by means of an impulse nut puller |
CN106404263A (en) * | 2016-08-31 | 2017-02-15 | 河南航天精工制造有限公司 | Tooth wheel groove screw bolt pulling and twisting characteristic detection method and special-purpose wrench |
US11065746B2 (en) * | 2017-06-13 | 2021-07-20 | General Electric Company | Method for clamped joint seating detection |
CN109986494B (en) * | 2019-05-08 | 2024-04-16 | 国网河南省电力公司电力科学研究院 | Electric torque wrench for tower bolt and control method thereof |
DE102022110777A1 (en) | 2022-05-02 | 2023-11-02 | Weber Instrumente Gmbh & Co. Kg | Method for monitoring a screwing process and monitoring system |
CN114689234B (en) * | 2022-05-27 | 2022-08-23 | 苏州鼎纳自动化技术有限公司 | Automatic static torque detection device and detection method |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5366026A (en) * | 1992-08-28 | 1994-11-22 | Nissan Motor Company, Ltd. | Impact type clamping apparatus |
SE501155C2 (en) * | 1993-04-21 | 1994-11-28 | Atlas Copco Tools Ab | Impulse wrench |
DE19503524A1 (en) * | 1995-02-03 | 1996-08-08 | Bosch Gmbh Robert | Impulse screwdriver and method for tightening a screw connection using the impulse screwdriver |
JPH08294875A (en) * | 1995-04-25 | 1996-11-12 | Nissan Motor Co Ltd | Impact type screw tightening device |
SE511336C2 (en) * | 1997-10-27 | 1999-09-13 | Atlas Copco Tools Ab | Method for determining the installed torque in a screw joint during pulse tightening, method for controlling a tightening process, method for quality monitoring and a torque pulse tool for tightening screw joints |
-
1999
- 1999-12-23 SE SE9904784A patent/SE517560C2/en not_active IP Right Cessation
-
2000
- 2000-12-21 AU AU25666/01A patent/AU2566601A/en not_active Abandoned
- 2000-12-21 WO PCT/SE2000/002615 patent/WO2001047669A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
AU2566601A (en) | 2001-07-09 |
SE517560C2 (en) | 2002-06-18 |
WO2001047669A1 (en) | 2001-07-05 |
SE9904784D0 (en) | 1999-12-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |