DE3327964A1 - Method of identifying connecting bolts according to type and/or tightening specification - Google Patents

Method of identifying connecting bolts according to type and/or tightening specification

Info

Publication number
DE3327964A1
DE3327964A1 DE19833327964 DE3327964A DE3327964A1 DE 3327964 A1 DE3327964 A1 DE 3327964A1 DE 19833327964 DE19833327964 DE 19833327964 DE 3327964 A DE3327964 A DE 3327964A DE 3327964 A1 DE3327964 A1 DE 3327964A1
Authority
DE
Germany
Prior art keywords
screw
codes
arrangement
head
tightening
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.)
Ceased
Application number
DE19833327964
Other languages
German (de)
Inventor
Oskar Ing.(grad.) 7073 Lorch Mohilo
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19833327964 priority Critical patent/DE3327964A1/en
Publication of DE3327964A1 publication Critical patent/DE3327964A1/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10861—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • B23P19/06—Screw or nut setting or loosening machines
    • B23P19/065—Arrangements for torque limiters or torque indicators in screw or nut setting machines
    • B23P19/066—Arrangements for torque limiters or torque indicators in screw or nut setting machines by electrical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
    • F16B31/02—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06018—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking one-dimensional coding
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K2019/06215—Aspects not covered by other subgroups
    • G06K2019/06253—Aspects not covered by other subgroups for a specific application

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

A method of identifying connecting bolts according to type and/or tightening specification is proposed which permits quick and reliable recognition of bolts and in addition provides the precondition for the programming of electronic wrenches with regard to torque and angle of rotation of the relevant bolt. This method is distinguished by the fact that the bolt heads are provided with features which identify the category of the bolt and/or its limit tightening moment with associated angle of rotation and which are scanned before or after the bolting operation by means of a reading device which transmits the result to an analysing unit which contains the desired-value codes and, at least in the event of an error, emits signals and/or triggers switching operations and/or programs an electronic wrench with regard to the tightening moment and the angle of rotation of the scanned bolt.

Description

Verfahren zum Identifizieren von Verbindungs- Procedure for identifying connection

schrauben nach Typ und/oder Anziehvorschrift Die Erfindung bezieht sich auf ein Verfahren und eine Anordnung zum Identifizieren von Verbindungsschrauben nach Typ und/oder Anziehvorschrift. screws by type and / or tightening specification The invention relates relates to a method and arrangement for identifying connecting bolts according to type and / or tightening specification.

Vollautomatisierte Montagebänder erfordern unter anderem auch das Erkennen der zu montierenden Teile sowie deren zugeordnetes Ausrichten durch die Montagemaschine. Bei nicht erkannten Teilen besteht die Gefahr, daß sie zerstört werden oder ihrerseits die Fügeeinrichtungen beschädigen. Die Forderung des Erkennens der Zugehörigkeit, das heißt insbesondere der Form und Abmessung, besteht auch für die zur Anwendung kommenden Verbindungselemente, vor allem für Schrauben. Letztere kommen in großer Vielfalt und in beträchtlichen Stückzahlen vor.Fully automated assembly lines also require that, among other things Recognition of the parts to be assembled as well as their assigned alignment by the Assembly machine. If parts are not recognized, there is a risk that they will be destroyed or in turn damage the joining devices. The requirement of knowing the affiliation, i.e. in particular the shape and dimensions, also exist for the fasteners used, especially for screws. Latter come in great variety and in considerable numbers.

Zum Erkennen von Schrauben sind bereits Geräte bekannt, welche die Schrauben optisch, magnetisch oder mechanisch abtasten. Diese Geräte sind zum einen sehr wartungsintensiv und zum andern insoweit unzulänglich, als sie nicht zuverlässig arbeiten.For the detection of screws devices are already known which the Scan screws optically, magnetically or mechanically. These devices are on the one hand very maintenance-intensive and, on the other hand, inadequate in that they are not reliable work.

Die Erfindung liegt die Aufgabe zugrunde, einen Weg zu finden, der bei einem Geringstmaß an Aufwand ein rasches und sicheres Erkennen der Schrauben ermöglicht und darüber hinaus die Voraussetzung für das Programmieren elektronischer Drehmomentschlüssel hinsichtlich Drehmoment und Drehwinkel und sonstige wichtige Größen für das Anziehen der betreffenden Schraube schafft.The invention has for its object to find a way that A quick and reliable detection of the screws with a minimum of effort enables and also the requirement for programming electronic Torque wrench with regard to torque and angle of rotation and other important Creates sizes for tightening the screw in question.

Zur Lösung dieser Aufgabe sieht die Erfindung vor, die Schraubenköpfe mit der Kategorie der Schraube und/oder deren Grenzanziehmoment mit zugehörigem Drehwinkel etc. kennzeichnenden Merkmalen zu versehen, die vor oder nach dem Schraubvorgang mittels einer Leseeinrichtung abgetastet werden, die das Ergebnis einer die Sollwertcodes enthaltenden Auswerteeinheit übermittelt, die zumindest im Fell fall Signale und/oder Schaltvorgänge auslöst und/oder einen elektronischen Schraubenschlüssel hinsichtlich des Anziehdrehmoments und des Drehwinkels der abgetasteten Schraube programmiert.To solve this problem, the invention provides the screw heads with the category of the screw and / or its limit tightening torque with the associated Angle of rotation etc. to provide characteristic features before or after the screwing process are scanned by means of a reading device, which is the result of the setpoint codes containing evaluation unit, the signals and / or at least in the fur case Triggers switching operations and / or an electronic wrench regarding of the tightening torque and the angle of rotation of the scanned screw are programmed.

Das erfindungsgemäße Verfahren wird im nachstehenden anhand einer beispielsweisen Anordnung zu dessen Durchführung erläutert.The method according to the invention is hereinafter based on a exemplary arrangement for its implementation explained.

Es zeigen: Fig. 1 eine Prinzipdarstellung der Abtast- und Schraubeinrichtung, Fig. 2 eine Draufsicht auf die Schraube gemäß Fig. 1.The figures show: FIG. 1 a basic illustration of the scanning and screwing device, FIG. 2 shows a plan view of the screw according to FIG. 1.

Der als Innensechskant ausgebildete Kopf 1 der Schraube 2, die mittels einer nicht dargestellten Einrichtung gegebenenfalls auch intermittierend in Drehung versetzbar ist, weist an seiner Oberfläche eine Codierung in Form von auf einem Radius r (Fig.2) radial verlaufend angeordneten Balkensymbolen 3 auf. Zur Abtastung dieser Symbole ist eine Reflexlichtschranke 4 vorgesehen. Wie gestrichelt angedeutet ist, kann die Codierung auch an den Stirnflächen 5 des Schraubenkopfs angebracht und der Fühler 4 entsprechend angeordnet sein.The hexagon socket head 1 of the screw 2, which by means of a device, not shown, possibly also rotating intermittently is displaceable, has a coding in the form of a on its surface Radius r (Fig.2) radially arranged bar symbols 3. For scanning A reflex light barrier 4 is provided for these symbols. As indicated by dashed lines is, the coding can also be attached to the end faces 5 of the screw head and the sensor 4 can be arranged accordingly.

Dem Abtastfühler 4 ist ein Impulsformer 6 nachgeschaltet, der ausgangsseitig an einen Rechner oder Dekodierer 7 angeschlossen ist, dessen Ausgang am Eingang der Schraubersteuerung 8 liegt, die einen Motor 9 steuert, der über ein Getriebe lo ein Schraubwerkzeug 11 betätigt, dem ein Winkelgeber 12 und ein Drehmomentgeber 13 zugeordnet sind. Je nach dem der betreffenden Schraube zugeordneten Code und damit nach dem durch diesen bestimmten Abtastergebnis schaltet die Schraubersteuerung den Schrauber nach Erreichen des für die Schraube charakteristischen Drehwinkels und Anziehdrehmoments ab, sofern der in den Rechner 7 oder die Schraubersteuerung 8 eingegebene Sollwertcode mit den Istwerten an den beiden Gebern 12 und 13 übereinstimmt, deren Ausgänge an die Schraubersteuerung 8 angeschlossen sind.The scanning sensor 4 is followed by a pulse shaper 6 on the output side is connected to a computer or decoder 7, the output of which is at the input the nutrunner control 8 is located, which controls a motor 9, which is via a transmission lo a screwing tool 11 is operated, which an angle encoder 12 and a torque transmitter 13 are assigned. Depending on the code and associated with the screw in question so that the nutrunner control switches according to the scanning result determined by this the screwdriver after reaching the characteristic angle of rotation for the screw and tightening torque from, provided that in the computer 7 or the nutrunner control 8 entered setpoint code matches the actual values at the two sensors 12 and 13, the outputs of which are connected to the nutrunner control 8.

Die Codes können grundsätzlich jede geeignete Form aufweisen, beispielsweise auch Punkt-Strichverbindungen oder dergleichen Merkmale. Außerdem können auch mehrere Codes auf konzentrisch zueinander liegenden Kreislinien auf der Oberfläche des Schraubenkopfes angebracht sein. Gegebenenfalls können die Codes auch auf separaten Folien oder dergleichen Träger aufgebracht sein, die auf dem Schraubenkopf befestigt werden. Vorteilhaft dürfte indessen sein, wenn die entsprechenden Codes bereits beim Herstellen der Schrauben auf deren Köpfen eingeprägt werden.In principle, the codes can have any suitable form, for example also dot-dash connections or similar features. In addition, several Codes on concentric circular lines on the surface of the screw head to be appropriate. If necessary, the codes can also be printed on separate foils or the same carrier can be applied, which are attached to the screw head. However, it should be advantageous if the corresponding codes are already used during manufacture of the screws are embossed on their heads.

Die Leseeinrichtung kann auch mechanischer, pneumatischer oder magnetischer Art sein. Beim Lesen des oder der Codes mittels einer oder mehrerer Abtastfühler bzw.The reading device can also be mechanical, pneumatic or magnetic Be kind. When reading the code or codes by means of one or more scanning sensors respectively.

Abtastköpfe hat es sich aus Sicherheitsgründen als zweckmäßig erwiesen, die Schraube mindestens um 3600 relativ zum Abtastfühler zu drehen bzw. umgekehrt.For safety reasons, scanning heads have proven to be useful To turn the screw at least by 3600 relative to the scanning probe or vice versa.

Claims (8)

Patentansprüche (i)Verfahren zum Identifizieren von Verbindungsschrauben nach Typ und/oder Anziehvorschrift, dadurch gekennzeichnet, daß die Schraubenköpfe mit die Kategorie der Schraube und/oder deren Grenzanziehmoment mit zugehörigem Drehwinkel etc. kennzeichnenden Merkmalen versehen werden, die vor oder nach dem Schraubvorgang mittels einer Leseeinrichtung abgetastet werden, die das Ergebnis einer die Sollwertcodes enthaltenden Auswerteeinheit übermittelt, die zumindest im Fehlfall Signale und/oder Schaltvorgänge auslöst und/oder einen elektronischen Schraubenschlüssel hinsichtlich des Anziehmoments und des Drehwinkels der abgetasteten Schraube programmiert. Claims (i) a method for identifying connecting bolts according to type and / or tightening specification, characterized in that the screw heads with the category of the screw and / or its limit tightening torque with the associated Rotation angle, etc. characteristic features are provided before or after The screwing process can be scanned by means of a reading device, which shows the result transmitted to an evaluation unit containing the setpoint codes, which at least in the event of a failure, triggers signals and / or switching processes and / or an electronic one Wrench with regard to the tightening torque and the angle of rotation of the scanned Programmed screw. 2. Anordnung zur Durchführung des Verfahrens nach Anspruch 1, dadurch gekennzeichnet, daß die Merkmale als Codes in Form von Strichen, Punkten, Strich-Punktkombinationen oder dgl. Symbole auf der Oberfläche des Schraubenkopfes und/oder an der oder den Stirnseiten des Kopfes der Schraube angebracht sind. 2. Arrangement for performing the method according to claim 1, characterized characterized in that the features as codes in the form of bars, dots, dash-dot combinations or the like. Symbols on the surface of the screw head and / or on the or the End faces of the head of the screw are attached. 3. Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß die Codes entlang einer oder mehrerer konzentrisch zur Schraubenlängsachse verlaufender gedachter Kreislinien auf dem Schraubenkopf angebracht sind. 3. Arrangement according to claim 1, characterized in that the codes along one or more imaginary ones that run concentrically to the longitudinal axis of the screw Circular lines are attached to the screw head. 4. Anordnung nach Anspruch 4, dadurch gekennzeichnet, daß die Codes auf separaten Trägern angebracht sind, die auf den Schraubenköpfen befestigt werden. 4. Arrangement according to claim 4, characterized in that the codes are mounted on separate supports that are attached to the screw heads. 5. Anordnung nach einem oder mehreren der Ansprüche 2 bis 4, dadurch gekennzeichnet, daß die Schrauben bereits bei ihrer Herstellung mit den Codes versehen werden. 5. Arrangement according to one or more of claims 2 to 4, characterized marked that the screws are already provided with the codes during their manufacture will. 6. Anordnung zur Durchführung des Verfahrens nach Anspruch 1 und nach den Ansprüchen 2 bis 5, dadurch gekennzeichnet, daß die Leseeinrichtung mit einem optisch oder mechanisch arbeitenden Abtastkopf ausgerüstet ist. 6. Arrangement for performing the method according to claim 1 and according to claims 2 to 5, characterized in that the reading device with is equipped with an optically or mechanically operating scanning head. 7. Anordnung zur Durchführung des Verfahrens nach Anspruch 1 und nach den Ansprüchen 2 bis 5, dadurch gekennzeichnet, daß die Leseeinrichtung einen pneumatisch oder magnetisch arbeitenden Abtastkopf enthält.7. Arrangement for performing the method according to claim 1 and after claims 2 to 5, characterized in that the reading device is pneumatic or magnetic scanning head. 8. Anordnung nach den Ansprüchen 1 bis 7, dadurch gekennzeichnet, daß beim Lesen der Codes mittels eines oder mehrerer Abtastfühler die Schraube mindestens um 3600 relativ zum Abtastfühler gedreht wird oder umgekehrt.8. Arrangement according to claims 1 to 7, characterized in that that when reading the code by means of one or more scanning sensors the screw at least is rotated by 3600 relative to the scanning probe or vice versa.
DE19833327964 1983-08-03 1983-08-03 Method of identifying connecting bolts according to type and/or tightening specification Ceased DE3327964A1 (en)

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DE19833327964 DE3327964A1 (en) 1983-08-03 1983-08-03 Method of identifying connecting bolts according to type and/or tightening specification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833327964 DE3327964A1 (en) 1983-08-03 1983-08-03 Method of identifying connecting bolts according to type and/or tightening specification

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DE3327964A1 true DE3327964A1 (en) 1985-02-28

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Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3925716A1 (en) * 1989-08-03 1991-02-07 Kloeckner Humboldt Deutz Ag Control and regulation arrangement for aircraft gas turbine - identifies engine from identifying data modulated onto revolution rate signal
EP0422522A1 (en) * 1989-10-06 1991-04-17 Cummins Engine Company, Inc. Capscrew head markings for torque-angle tightening
FR2659034A1 (en) * 1990-03-02 1991-09-06 Solex Method of marking a machined component (workpiece) and component thus marked
WO1998022263A1 (en) * 1996-11-19 1998-05-28 Hohmann Joerg Power wrench
DE19754075A1 (en) * 1997-12-05 1999-06-10 Focke & Co (Packaging) machine with screw connections
WO1999050029A1 (en) * 1998-03-28 1999-10-07 Hohmann Joerg Hydraulically operated power wrench and method for controlling the same
WO2000045997A1 (en) * 1999-02-05 2000-08-10 Raimund Wilhelm Intelligent socket
EP1038638A1 (en) * 1999-03-22 2000-09-27 Raimund Wilhelm Torque wrench
WO2000063565A1 (en) * 1999-04-16 2000-10-26 Schrauben Betzer Gmbh & Co. Kg Fixing means with machine readable information memory
EP1188521A2 (en) * 2000-09-16 2002-03-20 HILTI Aktiengesellschaft Powered tool with torque control
WO2002030624A2 (en) * 2000-10-11 2002-04-18 Ingersoll-Rand Company Electronically controlled torque management system for threaded fastening
WO2003045635A1 (en) * 2001-11-30 2003-06-05 Teleflex Canada Incorporated System for ensuring proper completion of tasks
US6668212B2 (en) 2001-06-18 2003-12-23 Ingersoll-Rand Company Method for improving torque accuracy of a discrete energy tool
FR2842449A1 (en) * 2002-07-17 2004-01-23 Facom Assembly tool with data supply device, especially torque wrench, has interface providing data output for recording e.g. torque data
EP1462220A1 (en) * 2003-03-26 2004-09-29 Snecma Moteurs Controlled wrench
WO2008094615A1 (en) * 2007-01-31 2008-08-07 Caterpillar Inc. Fastener tightening system utilizing identification technology
US7441462B2 (en) 2001-01-29 2008-10-28 Innovation Plus, Llc Load indicating member with identifying element
US7467556B2 (en) 2001-01-29 2008-12-23 Innovation Plus, Llc Thread forming fasteners for ultrasonic load measurement and control
CZ300231B6 (en) * 2005-07-01 2009-03-25 Škoda Auto a. s. Screw evaluation unit
DE102008016925A1 (en) * 2008-04-02 2009-10-08 Wobben, Aloys Wind turbine with several construction sections
FR2930186A1 (en) * 2008-04-21 2009-10-23 Renault Sas Motorized screwgun for tightening screw during construction of motor vehicle, has detection unit for detecting presence and depth of mark provided on head, and socket permitting rotation movement of head around longitudinal axis
US7650792B2 (en) 2001-01-29 2010-01-26 Innovation Plus, Llc Load indicating member with identifying element
EP2078590A3 (en) * 2008-01-09 2010-05-26 C. & E. FEIN GmbH Screwing device and method for monitoring screwing processes
WO2011028362A1 (en) * 2009-09-02 2011-03-10 The Boeing Company Intelligent fastener system
DE102009049535A1 (en) * 2009-10-05 2011-04-07 Adolf Würth GmbH & Co. KG Marking system for threaded components
US8033181B2 (en) 2001-01-29 2011-10-11 Innovation Plus, Llc Probe for fastener identification and ultrasonic load measurement
US8037772B2 (en) 2002-09-19 2011-10-18 Innovation Plus, Llc Thread forming fasteners for ultrasonic load measurement and control
CN102294670A (en) * 2010-06-23 2011-12-28 喜利得股份公司 Screwdriver and control method
US9339926B2 (en) 2010-05-03 2016-05-17 Innovation Plus, Llc System for performing predefined fastener installation procedures
WO2018103805A1 (en) * 2016-12-09 2018-06-14 Vestas Wind Systems A/S Pre-tensioning of bolts
CN109128793A (en) * 2018-10-31 2019-01-04 宁海建新自动化设备有限公司 Automobile axle assembly equipment
CN109911598A (en) * 2019-02-18 2019-06-21 珠海格力智能装备有限公司 Code-reading apparatus and feed bin with it
DE102018210505A1 (en) * 2018-06-27 2020-01-02 Bayerische Motoren Werke Aktiengesellschaft Assembly tool and method for connecting fastening elements to at least one component
CN112404972A (en) * 2020-10-27 2021-02-26 北海市海城区海腹川背信息咨询服务中心 Screw assembly device based on big data intelligent recognition
DE102020103149B4 (en) 2019-03-22 2022-02-17 GM Global Technology Operations LLC FASTENER FAILURE PROTECTION TOOL
US20230139995A1 (en) * 2021-11-04 2023-05-04 David M. Mante Storage, recall, and use of tightening specifications on threaded mechanical fasteners

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Cited By (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3925716A1 (en) * 1989-08-03 1991-02-07 Kloeckner Humboldt Deutz Ag Control and regulation arrangement for aircraft gas turbine - identifies engine from identifying data modulated onto revolution rate signal
EP0422522A1 (en) * 1989-10-06 1991-04-17 Cummins Engine Company, Inc. Capscrew head markings for torque-angle tightening
US5165831A (en) * 1989-10-06 1992-11-24 Cummins Engine Company Capscrew head markings for torque-angle tightening
FR2659034A1 (en) * 1990-03-02 1991-09-06 Solex Method of marking a machined component (workpiece) and component thus marked
EP1208947A2 (en) * 1996-11-19 2002-05-29 Jörg Hohmann Power wrench
WO1998022263A1 (en) * 1996-11-19 1998-05-28 Hohmann Joerg Power wrench
EP1208947A3 (en) * 1996-11-19 2004-06-09 Jörg Hohmann Power wrench
US6161629A (en) * 1996-11-19 2000-12-19 Hohmann; Joerg Power wrench
DE19754075A1 (en) * 1997-12-05 1999-06-10 Focke & Co (Packaging) machine with screw connections
CN1118418C (en) * 1997-12-05 2003-08-20 福克有限公司 Package machine with screw connection
WO1999050029A1 (en) * 1998-03-28 1999-10-07 Hohmann Joerg Hydraulically operated power wrench and method for controlling the same
WO2000045997A1 (en) * 1999-02-05 2000-08-10 Raimund Wilhelm Intelligent socket
EP1038638A1 (en) * 1999-03-22 2000-09-27 Raimund Wilhelm Torque wrench
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