DE2502203A1 - Corrected numerically controlled tool - works in three axes from a fixed, automatic, error-corrector - Google Patents

Corrected numerically controlled tool - works in three axes from a fixed, automatic, error-corrector

Info

Publication number
DE2502203A1
DE2502203A1 DE19752502203 DE2502203A DE2502203A1 DE 2502203 A1 DE2502203 A1 DE 2502203A1 DE 19752502203 DE19752502203 DE 19752502203 DE 2502203 A DE2502203 A DE 2502203A DE 2502203 A1 DE2502203 A1 DE 2502203A1
Authority
DE
Germany
Prior art keywords
tool
measuring
measured
correction
automatic
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
DE19752502203
Other languages
German (de)
Inventor
Hans-Hermann Dipl In Volkstorf
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.)
VOLKSTORF HANS HERMANN DIPL IN
Original Assignee
VOLKSTORF HANS HERMANN DIPL IN
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 VOLKSTORF HANS HERMANN DIPL IN filed Critical VOLKSTORF HANS HERMANN DIPL IN
Priority to DE19752502203 priority Critical patent/DE2502203A1/en
Publication of DE2502203A1 publication Critical patent/DE2502203A1/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/401—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes
    • G05B19/4015—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes going to a reference at the beginning of machine cycle, e.g. for calibration
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/50—Machine tool, machine tool null till machine tool work handling
    • G05B2219/50031—Zero setting, go to reference with gauge

Abstract

Machine tools programmed with nominal dimensions may in practive use off-size tools, but with manual corrective action later. A tool held in a spindle is set with setting plates and the measuring systems for X axis and for Z axis, to a defined position on the machine. With a nominal size tool the correction for both axes is zero, read by measuring elements. For an off-size tool the elements will read a displacement from zero, and an appropriate sign, feeds through inputs into a control. Together with the programmed commands a control issues the corrected feed commands automatically.

Description

Hans-Hermann Volkstoff, Dipl.-Ing., Automstisches @erkzeugkorrektursystem.Hans-Hermann Volkstoff, Dipl.-Ing., Automstisches @erkzeugkorrektursystem.

Beschreibung Automatisches werkzeugkorrektursystem Die erfindung betrifft ein automatiocheo @erkzeugkorrektursystem für inhsbesondere numerisch gesteuerte Maschinen, deren Programme für Werkzeuge mit Nennabmessungen erstellt werden, die Jedoch der Praxis entsprechend mit von den Nennabmessungen abweichenden werkzeugen betrieben erden. Description Automatic tool correction system The invention relates to an automatiocheo tool correction system for, in particular, numerically controlled ones Machines whose programs are created for tools with nominal dimensions that However, in practice, with tools that differ from the nominal dimensions ground operated.

bei derartigen Maschinen werden mit einem Programm, jedoch mit sich häufig ändernden Werkzeugabmessungen die gleichen Werkstücke bearbeitet.such machines come with a program, but with themselves frequently changing tool dimensions, the same workpieces are machined.

Es ist daher erforderlich der maschinensteuerung jeweils die von den Nennabmessungen abweichenden erste (Korrekturwerte) de gerade benutzten Werkzeuges einzugeben, nachdem das Werkzeug von liand vermessen wurde.It is therefore necessary for the machine control to provide the Nominal dimensions deviating first (correction values) of the tool currently used to be entered after the tool has been measured by liand.

Dieses geschieht durch Einstellen von Dekadenschaltern fur jede Koordinate. Dabei ist der KorrekturHert vorzeicherlricrltig, entapr.This is done by setting decade switches for each coordinate. The correction value has to be signed, entapr.

Vergleich mit dem Programm, einzugeben.Compare with the program to enter.

Das vorangehende vermessen des werkzeuges ist auf bpezialeinrichtungen (z.B. Werkzeugvoreinstellgeraten) oder mit den üblichen Universalmeßgeräten von Mand durchzufuhren.The previous measurement of the tool is on special equipment (e.g. tool presetting devices) or with the usual universal measuring devices from Mand to perform.

In gleicher weise muß mindestens ein Bezugsmaß zur werkzeugaufnahme gemessen werden. (z.B. nei einer Vertikalfräsmaschine niit Walzenstirnfräser muß der @bstand dr Fräserstirn zu einem festen Bezugspunkt der Maschine in Vertikalrichtung gemessen werden.) Bei diesem allgemein üblichen @erkzeugkorrektursystem werden @@so folgende Tätigkeiten vom Bedienungspersonal @usgefünrt : 1. Messen der werkzeugabmessungen.In the same way, there must be at least one reference dimension for the tool holder be measured. (e.g. on a vertical milling machine with a shell end mill must the distance between the milling face and a fixed reference point of the machine in the vertical direction can be measured.) In this common @ tool correction system, @@ so The following activities are carried out by the operating personnel: 1. Measure the tool dimensions.

2. Mindestens ein Bezugsm@@ zwischen dem @n der @erkzeugaufnahme befindlichen werkzeug und der masch@@i Feststellen. 2. At least one reference @@ between the @n of the @tool holder located tool and the masch @@ i Detect.

3. Vergleich der Meßwerte mit dem Programm. 3. Comparison of the measured values with the program.

4. Einstellen der sich aus der messung ergeben@en Vorzeichen und Korrekturuerte an Dekadenscha@tern o.a. 4. Set the signs and resulting from the measurement Correction to Dekadenscha @ tern o.a.

In jeder der genannten Tätigkeiten @ind Fehlermöglichkeiten enthalten; und zwar Hans-Hermann Volkstort, Dipl.-Ing., Automatisches werkzeugkorrektursystem.Every one of the activities mentioned contains possible errors; in fact Hans-Hermann Volkstort, Dipl.-Ing., Automatic tool correction system.

in 1., da die Meßwerkzeuge naufig Universalmeßwerkzeuge sind, werden sie auch fLir andere Zwecke benutt und sind oft nicht im besten Zustand. Zudem werden die Meßergebnisse subjektiv beeinflu@t. in 1., since the measuring tools are often universal measuring tools they are also used for other purposes and are often not in the best condition. In addition, will the measurement results are subjectively influenced.

in 2., da z. Z.J. in werkzeugvoreinstellgeräten ein Vergleicnsnormal als werkzeugaufnahme und nicht die maschineneigene @ufnahme $enutzt wird ; es handelt sich um ein indirektes Meßverfahren. in 2., since z. Z.J. a comparison standard in tool presetting devices is used as a tool holder and not the machine's own @ holder $; it deals is an indirect measurement method.

@n 3., da eine logische Programmdeutung und Meßwertverarbeitung zwischengeswchaltet ist. @n 3., since a logical program interpretation and measured value processing are interposed is.

in 4., da einige sinnvoll zuzuordnende Eingaben in die ;teuerung zu volliehen wind. in 4., there are some inputs in the control that can be assigned sensibly to complete wind.

Der Erfindung liegt die Aufgabe zugrunde, ein werkzeugkorrektursystem zu schaffen, welches einerseits Bedienfehler ausschließt und damit zu weniger Ausschußbearbeitung führt sowie andereraeits Nebenzeiten an hochwertigen maschinen abkürzt.The invention is based on the object of a tool correction system to create, which on the one hand excludes operating errors and thus less processing of rejects leads as well as shortens non-productive times on high-quality machines.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der gesamte Korrekturvorgang durch ein automatisches Meßsystem mit automatischer Auswertung und @ingabe in die Steuerung bedienfrei abläuft.This object is achieved in that the entire Correction process by an automatic measuring system with automatic evaluation and input into the control is unattended.

Dazu gibt das Programm lediglich zu dem gewünschten eitpunkt den Befehl an das maschinenergene Meßsystem zur Feststellung der Korrekturwerte, die dann automatisch in den weiteren Arbeitsablauf übernommen werden.To do this, the program simply gives the command at the desired point to the machine-generated measuring system to determine the correction values, which are then automatically can be adopted in the rest of the workflow.

Das erfindungsgemäße Korrektursystem besteht also aus der maschineneigenen Meßeinrichtung und der Umsetzung der Meßwerte in logische Programmfunktionen ohne Zwischenschaltung von Bedien@ersonal.The correction system according to the invention therefore consists of the machine's own Measuring device and the conversion of the measured values into logical program functions without Interconnection of operating personnel.

Die mit der erfindung erzielten Vorteile Bestehen insbesondere darin, daß der Ausschußanteil bearbeiteter werkstucke wesentlich reduziert wird, die Nebenzeiten stark verkürzt werden, das Bedienpersonal von der @erkzeugkorrektur völlig entlastet wird und die Messung von Korrekturwerten in kurzen Arbeitspausen - z.ß. an schnell ver- Hans-@ermann Volkstorf, Dipl.-Ing., Automatisches @erkzeugkorrektursystem.The advantages achieved with the invention are, in particular, that the reject rate of machined workpieces is significantly reduced, the non-productive times can be significantly shortened, the operating personnel are completely relieved of the @tool correction and the measurement of correction values in short work breaks - z.ß. on fast ver Hans- @ ermann Volkstorf, Dipl.-Ing., Automatic tool correction system.

schleißenden Werkzeugen- eine rechtzeitige vor Ausschuß sichernde Werkzeugkorrektur ermöglicht.abrasive tools - a timely before scrap securing Tool correction enabled.

Ein Ausführungsbeispiel der erfindung ist in der Zeichnung dargeteilt und wird im folgenden naher beschrieben.An embodiment of the invention is shown in the drawing and is described in more detail below.

Das in der Maschinenspindel 1 (hier Vertikalfräskopf) aufgenommene Werkzeug 2 (hier walzenstirnfräser) wird durch die Meßplatten 3 und 3 so angefahren, daß sich das Meßufnehmersystem 5 in X-nichtung und da Meßaufnehmersystem 6 in Z-Richtung in einer bestimmten, festen Lage zum @aschinengestell 7 befindet.The one recorded in the machine spindle 1 (here vertical milling head) Tool 2 (here shell milling cutter) is approached by measuring plates 3 and 3 in such a way that that the measuring transducer system 5 is in the X direction and the measuring transducer system 6 is in the Z direction is in a certain, fixed position relative to the machine frame 7.

wäre das werkzeug ein Meßnormal mit den Nennabmessungen, ergäbe ich in dieser festen Lage der horrekturwert Null für beide L?iChtungen.If the tool were a measuring standard with the nominal dimensions, I would say In this fixed position the correction value is zero for both lights.

Der Korrekturwert wird gemessen durch Meßaufnehmer 8 und 9, welche z.B. als lineare oder rotative induktive Meßwertgeber ausgeführt ein können.The correction value is measured by transducers 8 and 9, which e.g. implemented as linear or rotary inductive transducers.

Da sich in d@@ Spindel ein praktisches @erkzeug befindet, es wird angenommen c.it Unterma, durch nachschleifen, messen die Meßaufnehmer ein von iiull verschiedenes voreichenbehaftetes Langenmaß, das unnittelbar durch die Informationsleiter io und 11 in die Steuerung 12 eingeht. Zusammen mit den Programmbefehlen 73 kann die Steuerung jetzt die richtig korrigierten Vorschubbefehle 14 ausgeben.Since there is a practical tool in the spindle, it will assuming c.it Unterma, by regrinding, the sensors measure one of iiull different length measurements, which cannot be conveyed through the information ladder io and 11 enters the controller 12. Together with the program instructions 73 can the control will now issue the correctly corrected feed commands 14.

Vor Arbeitsbeginn der maschine werden die Meßfnehmersysteme 5 und 6 mittels der Antriebsglieder 1, 16, 17 und ib aus dem Arbeitsbereich des werkzeuges herausbewegt.Before starting work on the machine, the measuring sensor systems 5 and 6 by means of the drive elements 1, 16, 17 and ib out of the working area of the tool moved out.

Werkzeuge, deren Kontur vie im Beispiel Zähne hat, müssen wnhrend des Meßvorganges langsam entgegengesetzt zu ihrer Arbeitsrichtung (zwecks Schonung der Meßplatten) rotieren, wobei die Nöglichkeit besteht, die einzelnen Maximalmeßwerte zu interpolieren.Tools whose contour has teeth as in the example must be during of the measuring process slowly opposite to your working direction (for the sake of protection the measuring plates) rotate, whereby there is the possibility of the individual maximum measured values to interpolate.

Claims (4)

Hans-Hermann Volkstorf, Dipl.-Ing., Automatisches werkzeug-Hans-Hermann Volkstorf, Dipl.-Ing., Automatic tool korrektursystem.correction system. P a t e n t a n s p r ü c h e 1. Automatisches @erkzeugkorrektursystem insbesondere für numerisch gesteuerte maschinen, dadurch gekennzeichnet1 daß das werkzeug in jeder der drei senkrecht zueinander stehenden i?aumkoordinaten durch ein nur zu diesem Zweck maschinenfest installiertes Meßsystem vermessen wird. P a t e n t a n t a n t r u c h e 1. Automatic tool correction system in particular for numerically controlled machines, characterized in that the tool in each of the three space coordinates that are perpendicular to one another a measuring system installed on the machine only for this purpose is measured. 2. Werkzeugkorrektursystem nach Anspruch 1, dadurch gekennzeichnet, daß entweder jede zu vermessende aumkoordinate ihr zugeordnetes Meßsystem hat oder zwei Koordinaten zeitlich nach einander oder gleichzeitig mit eie eizigen Meßsystem vermessen werden oder alle drei Koordinaten zeitlich nacheinander oder gleichzeitig mit einem einzige Meßsystem vermessen werden.2. Tool correction system according to claim 1, characterized in that that either each spatial coordinate to be measured has its assigned measuring system or two co-ordinates one after the other or at the same time with one measuring system be measured or all three coordinates sequentially or simultaneously can be measured with a single measuring system. 3. Werkzeugkorrektursystem nach Anspruch 1 und 2, dadurch gekennzeichnet, daß die Antriebe des Meßsystems ihre Neßaufnehmer automatisch auf Programm befehl in Meßposition bringen, die gemessenen Korrekturwerte der Steuerung eingeben, am ochluiS den Arbeitsbereich des werkzeuge automatisch verlassen und der Steuerung den abgeschlossenen Korrekturvorgang meldet.3. Tool correction system according to claim 1 and 2, characterized in that that the drives of the measuring system automatically command their measuring sensors on the program Bring into measuring position, enter the measured correction values into the control, on ochluiS automatically leaves the work area of the tools and the control reports the completed correction process. 4. erkzeugkorrekturystem nach Anspruch 1 bis 3, dadurch gekennzeichnet, da der automatische evorgang, falls es die Kontur des Werkzeuges erfordert, am entgegen der Arbeitsrichtung bewegten Werkzeug erfolgt, damit diejenigen werkzeugflächen, -linien und -punkte für das Meßsystem schonend erfaßt werden, die bei der bearbeitung das Werkstück formen.4. tool correction system according to claim 1 to 3, characterized in that as the automatic process, if required by the contour of the tool, is the opposite tool moved in the direction of work, so that those tool surfaces Lines and points for the measuring system are gently recorded during processing shape the workpiece.
DE19752502203 1975-01-21 1975-01-21 Corrected numerically controlled tool - works in three axes from a fixed, automatic, error-corrector Ceased DE2502203A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19752502203 DE2502203A1 (en) 1975-01-21 1975-01-21 Corrected numerically controlled tool - works in three axes from a fixed, automatic, error-corrector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752502203 DE2502203A1 (en) 1975-01-21 1975-01-21 Corrected numerically controlled tool - works in three axes from a fixed, automatic, error-corrector

Publications (1)

Publication Number Publication Date
DE2502203A1 true DE2502203A1 (en) 1976-07-22

Family

ID=5936887

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752502203 Ceased DE2502203A1 (en) 1975-01-21 1975-01-21 Corrected numerically controlled tool - works in three axes from a fixed, automatic, error-corrector

Country Status (1)

Country Link
DE (1) DE2502203A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847510A1 (en) * 1978-11-02 1980-06-04 Hueller Hille Gmbh METHOD FOR CORRECTING THE LENGTHS AND RADIUS OF TOOLS, ESPECIALLY FOR NUMERICALLY CONTROLLED MACHINES WITH POSITION OR TRAVEL MEASURING SYSTEMS BY MEANS OF THE REQUIRED-ACTUAL COMPARISON
DE2941156A1 (en) * 1979-10-10 1981-04-23 Hermann Traub Gmbh & Co, 7313 Reichenbach METHOD FOR DETERMINING THE POSITION OF A TOOL TIP IN RELATION TO A TOOL SLIDE OF A NUMERICALLY CONTROLLED MACHINE, IN PARTICULAR LATHE
US4507850A (en) * 1983-12-19 1985-04-02 Kearney & Trecker Corporation Boring bar adjusting apparatus
DE3426548A1 (en) * 1984-07-19 1986-01-30 Burkhardt & Weber GmbH & Co KG, 7410 Reutlingen Machine tool with a computer-aided control system as well as a tool holder and a measuring unit for a machine tool
EP0487723A1 (en) * 1989-05-18 1992-06-03 Fanuc Ltd. Method of rewriting pitch error correction data
DE202015007074U1 (en) 2014-10-10 2015-12-09 Hegenscheidt Mfd Gmbh Device for detecting the position of tools on a lathe

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847510A1 (en) * 1978-11-02 1980-06-04 Hueller Hille Gmbh METHOD FOR CORRECTING THE LENGTHS AND RADIUS OF TOOLS, ESPECIALLY FOR NUMERICALLY CONTROLLED MACHINES WITH POSITION OR TRAVEL MEASURING SYSTEMS BY MEANS OF THE REQUIRED-ACTUAL COMPARISON
DE2941156A1 (en) * 1979-10-10 1981-04-23 Hermann Traub Gmbh & Co, 7313 Reichenbach METHOD FOR DETERMINING THE POSITION OF A TOOL TIP IN RELATION TO A TOOL SLIDE OF A NUMERICALLY CONTROLLED MACHINE, IN PARTICULAR LATHE
US4507850A (en) * 1983-12-19 1985-04-02 Kearney & Trecker Corporation Boring bar adjusting apparatus
DE3426548A1 (en) * 1984-07-19 1986-01-30 Burkhardt & Weber GmbH & Co KG, 7410 Reutlingen Machine tool with a computer-aided control system as well as a tool holder and a measuring unit for a machine tool
EP0487723A1 (en) * 1989-05-18 1992-06-03 Fanuc Ltd. Method of rewriting pitch error correction data
EP0487723A4 (en) * 1989-05-18 1992-11-25 Fanuc Ltd. Method of rewriting pitch error correction data
DE202015007074U1 (en) 2014-10-10 2015-12-09 Hegenscheidt Mfd Gmbh Device for detecting the position of tools on a lathe

Similar Documents

Publication Publication Date Title
DE3530576C2 (en) Method and device for determining the dimensions of a workpiece
DE3134315C3 (en) Method for measuring the actual position of workpiece surfaces and modifying command signals
DE3702594C2 (en)
EP2492038A2 (en) Method for measuring and testing a workpiece and gear cutting machine
EP2923790B1 (en) Method for grinding bevel gears in a single indexing method
DE3408523C2 (en)
DE2758275C2 (en) Process or device for external cylindrical and face grinding
EP1914612A2 (en) Method for positioning axes in machine tools
DE102020200491A1 (en) MACHINE TOOL MANAGEMENT SYSTEM
DE60008512T2 (en) SYSTEM AND METHOD FOR CHECKING THE POSITION OF A TOOL OF A MACHINE TOOL
DE102004041469A1 (en) Workpiece measurement system for computerized numerical controlled production system, sets dimension parameters of workpiece in database based on which measuring program is generated
DE102016003045A1 (en) Numerical control device for testing screw holes
DE102018114820A1 (en) Method for topological generating grinding of gear workpieces and grinding machine with a control for topological generating grinding of gear workpieces
DE3744294A1 (en) LATHE
DE2502203A1 (en) Corrected numerically controlled tool - works in three axes from a fixed, automatic, error-corrector
DE3136433A1 (en) METHOD FOR DETECTING AND DETECTING DEVIATIONS OF CYCLICALLY RECURRING PROCESSES FOR FORMING WORKPIECES FROM A NORMAL HISTORY
DE2009432B2 (en) MACHINE TOOL FOR REPAIRING THE GEAR OF A WORKPIECE
DE102020203770A1 (en) Control unit and machine tool
EP0542674A1 (en) Method for numerical controlled machining of a workpiece on a grinding machine
DE2852157A1 (en) METHOD AND DEVICE FOR ALIGNING THE AXIS OF A CYLINDRICAL WORKPIECE
DE1763875A1 (en) Machine tool control system
DE112021003871T5 (en) ANOMALITY DETECTION DEVICE
DE2452435A1 (en) Workpiece aligning procedure for rods - theoretical deflection is obtained to produce measuring curve to achieve adjustment value
EP0429857A1 (en) Method for measuring the deviation between the movements of a machine which are created about a rotational axis and along two translational axes
DE2251333A1 (en) METHOD OF MONITORING THE CUTTING CONDITIONS IN A MACHINE TOOL

Legal Events

Date Code Title Description
OGA New person/name/address of the applicant
8110 Request for examination paragraph 44
8131 Rejection