DE2708923A1 - Steuerkreis fuer ein drehmoment-werkzeug - Google Patents
Steuerkreis fuer ein drehmoment-werkzeugInfo
- Publication number
- DE2708923A1 DE2708923A1 DE19772708923 DE2708923A DE2708923A1 DE 2708923 A1 DE2708923 A1 DE 2708923A1 DE 19772708923 DE19772708923 DE 19772708923 DE 2708923 A DE2708923 A DE 2708923A DE 2708923 A1 DE2708923 A1 DE 2708923A1
- Authority
- DE
- Germany
- Prior art keywords
- circuit
- tool
- torque
- control circuit
- amplifier
- 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.)
- Withdrawn
Links
- 230000004044 response Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 11
- 230000008859 change Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000010354 integration Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 241001233037 catfish Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 240000002989 Euphorbia neriifolia Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000005032 impulse control Effects 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000000541 pulsatile effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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
- B25B23/145—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers
- B25B23/1456—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers having electrical components
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D17/00—Control of torque; Control of mechanical power
- G05D17/02—Control of torque; Control of mechanical power characterised by the use of electric means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/663,678 US4074772A (en) | 1976-03-04 | 1976-03-04 | Torquing tool control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2708923A1 true DE2708923A1 (de) | 1977-09-08 |
Family
ID=24662855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772708923 Withdrawn DE2708923A1 (de) | 1976-03-04 | 1977-03-02 | Steuerkreis fuer ein drehmoment-werkzeug |
Country Status (13)
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3012734A1 (de) * | 1979-04-04 | 1980-10-16 | Sps Technologies | Schlagschrauber |
| DE3620137A1 (de) * | 1986-06-14 | 1987-12-17 | Raimund Wilhelm | Schraubmaschine und verfahren zu ihrem betrieb |
| DE3938787A1 (de) * | 1989-11-23 | 1991-05-29 | Gardner Denver Gmbh | Elektroschrauber |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4198737A (en) * | 1976-08-09 | 1980-04-22 | Rockwell International Corporation | Tension control of fasteners |
| USRE31569E (en) * | 1976-08-09 | 1984-05-01 | Rockwell International Corporation | Tension control of fasteners |
| US4319494A (en) * | 1979-03-15 | 1982-03-16 | Gse, Inc. | Retorque measuring apparatus |
| US4244213A (en) * | 1979-03-15 | 1981-01-13 | Gse, Inc. | Retorque measuring apparatus |
| US4228576A (en) * | 1979-04-19 | 1980-10-21 | Rockwell International Corporation | Tension control of fasteners |
| US4235006A (en) * | 1979-04-19 | 1980-11-25 | Rockwell International Corporation | Tension control of fasteners |
| JPS5952032B2 (ja) * | 1981-04-03 | 1984-12-17 | 株式会社東芝 | 圧接装置 |
| US4791839A (en) * | 1986-05-30 | 1988-12-20 | Raymond Engineering Inc. | Apparatus and method for determining torque and presenting digital torque readout in a torque wrench system |
| US4791838A (en) * | 1986-05-30 | 1988-12-20 | Raymond Engineering Inc. | Apparatus and method for determining torque, presenting digital torque readout and automatic cycling and termination of wrench operation in a torque wrench system |
| US5094301A (en) * | 1990-01-05 | 1992-03-10 | Dresser Industries, Inc. | Programmable pulsed torque recovery system |
| JPH0461857U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1990-10-05 | 1992-05-27 | ||
| US6424799B1 (en) * | 1993-07-06 | 2002-07-23 | Black & Decker Inc. | Electrical power tool having a motor control circuit for providing control over the torque output of the power tool |
| US7467556B2 (en) * | 2001-01-29 | 2008-12-23 | Innovation Plus, Llc | Thread forming fasteners for ultrasonic load measurement and control |
| EP1364132B2 (en) * | 2001-01-29 | 2023-09-13 | Innovation Plus, L.L.C. | Load indicating member with identifying mark |
| AU2003275012A1 (en) * | 2002-09-19 | 2004-04-08 | Innovation Plus, L.L.C. | Thread forming fasteners for ultrasonic load measurement and control |
| US7823458B2 (en) * | 2006-04-06 | 2010-11-02 | Innovation Plus, Llc | System for dynamically controlling the torque output of a pneumatic tool |
| EP2035217B1 (en) * | 2006-05-26 | 2018-07-25 | Innovation Plus, L.L.C. | Probe for fastener identification and ultrasonic load measurement |
| EP2566661A4 (en) | 2010-05-03 | 2016-06-22 | Innovation Plus L L C | SYSTEM FOR PERFORMING PREDEFINED INSTALLATION PROCEDURES FOR FASTENER PARTS |
| EP2948274A1 (en) * | 2013-01-24 | 2015-12-02 | Hitachi Koki Co., Ltd. | Power tool |
| KR102402825B1 (ko) * | 2017-01-24 | 2022-05-26 | 아틀라스 콥코 인더스트리얼 테크니크 에이비 | 전기 펄스 공구 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3643501A (en) * | 1969-11-18 | 1972-02-22 | Ingersoll Rand Co | Wrenching system and method |
| FR2225185B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-04-10 | 1979-03-02 | Lautier Dominique | |
| US3825912A (en) * | 1973-07-12 | 1974-07-23 | Gen Motors Corp | Torque wrench monitor |
| US3962910A (en) * | 1973-08-20 | 1976-06-15 | Ingersoll-Rand Company | Method and apparatus for fastener tension inspection |
| US3926264A (en) * | 1973-11-23 | 1975-12-16 | Thor Power Tool Co | Control circuit for a power tool |
| US3969960A (en) * | 1974-05-13 | 1976-07-20 | Dominick A Pagano | Method and apparatus for tightening a bolt to exert a predetermined tension force by monitoring bolt elongation while the bolt is being installed |
| US3973434A (en) * | 1974-09-19 | 1976-08-10 | Standard Pressed Steel Co. | Tightening system with quality control apparatus |
| US3939920A (en) * | 1974-09-19 | 1976-02-24 | Standard Pressed Steel Co. | Tightening method and system |
| US3975954A (en) * | 1974-11-25 | 1976-08-24 | Process Computer Systems, Inc. | Method and apparatus for evaluating torquing operations |
-
1976
- 1976-03-04 US US05/663,678 patent/US4074772A/en not_active Expired - Lifetime
-
1977
- 1977-02-01 ZA ZA770547A patent/ZA77547B/xx unknown
- 1977-02-09 AU AU22124/77A patent/AU506635B2/en not_active Expired
- 1977-02-15 CA CA271,802A patent/CA1106040A/en not_active Expired
- 1977-03-01 IT IT48266/77A patent/IT1080417B/it active
- 1977-03-02 SE SE7702322A patent/SE7702322L/ not_active Application Discontinuation
- 1977-03-02 DE DE19772708923 patent/DE2708923A1/de not_active Withdrawn
- 1977-03-03 MX MX168233A patent/MX146004A/es unknown
- 1977-03-03 BR BR7701304A patent/BR7701304A/pt unknown
- 1977-03-04 GB GB9281/77A patent/GB1577526A/en not_active Expired
- 1977-03-04 JP JP2372177A patent/JPS52111100A/ja active Granted
- 1977-03-04 FR FR7706457A patent/FR2343285A1/fr active Granted
- 1977-06-28 IN IN120/CAL/77A patent/IN148711B/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3012734A1 (de) * | 1979-04-04 | 1980-10-16 | Sps Technologies | Schlagschrauber |
| DE3620137A1 (de) * | 1986-06-14 | 1987-12-17 | Raimund Wilhelm | Schraubmaschine und verfahren zu ihrem betrieb |
| DE3938787A1 (de) * | 1989-11-23 | 1991-05-29 | Gardner Denver Gmbh | Elektroschrauber |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2212477A (en) | 1978-08-17 |
| MX146004A (es) | 1982-04-29 |
| FR2343285A1 (fr) | 1977-09-30 |
| BR7701304A (pt) | 1977-12-20 |
| IT1080417B (it) | 1985-05-16 |
| ZA77547B (en) | 1977-12-28 |
| FR2343285B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-06-19 |
| CA1106040A (en) | 1981-07-28 |
| AU506635B2 (en) | 1980-01-17 |
| US4074772A (en) | 1978-02-21 |
| JPS5758271B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-12-08 |
| JPS52111100A (en) | 1977-09-17 |
| SE7702322L (sv) | 1977-09-05 |
| IN148711B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-05-23 |
| GB1577526A (en) | 1980-10-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8130 | Withdrawal |