WO2011042234A1 - Dispositif pour outil - Google Patents

Dispositif pour outil Download PDF

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Publication number
WO2011042234A1
WO2011042234A1 PCT/EP2010/061465 EP2010061465W WO2011042234A1 WO 2011042234 A1 WO2011042234 A1 WO 2011042234A1 EP 2010061465 W EP2010061465 W EP 2010061465W WO 2011042234 A1 WO2011042234 A1 WO 2011042234A1
Authority
WO
WIPO (PCT)
Prior art keywords
radiation
wavelength
wavelength range
transmitting device
tool device
Prior art date
Application number
PCT/EP2010/061465
Other languages
German (de)
English (en)
Inventor
Georg Stellmann
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2011042234A1 publication Critical patent/WO2011042234A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
    • B27G19/02—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for circular saws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0078—Safety devices protecting the operator, e.g. against accident or noise
    • B23Q11/0082—Safety devices protecting the operator, e.g. against accident or noise by determining whether the operator is in a dangerous position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • B23Q17/2433—Detection of presence or absence
    • B23Q17/2438—Detection of presence or absence of an operator or a part thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/29—Details; Component parts; Accessories
    • 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
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
    • F16P3/144—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using light grids
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/143—Sensing or illuminating at different wavelengths
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects

Definitions

  • the invention relates to a tool device according to the preamble of claim 1.
  • WO 2008/071805 already discloses a tool device with a transmitting device, which is provided to emit radiation of a first and a second wavelength range during an operating process.
  • the invention is based on a tool device, in particular a circular saw protection device, with at least one first transmitting device which is provided to emit radiation of a first and at least one second wavelength range during at least one operating operation.
  • a central wavelength of the first wavelength range is between 600 nm and 1350 nm
  • a central wavelength of the second wavelength range between 1 150 nm and 1200 nm or between 1200 nm and 1300 nm or between 1300 nm and 1450 nm or between 1450 nm and 3000 nm.
  • provided is meant in particular specially designed and / or specially equipped and / or specially programmed
  • Under a "wavelength range" in which the transmitting device emits radiation should be understood in particular an interval of wavelengths limited by two wavelengths, in which the Send- Device emits electromagnetic radiation and which is preferably formed by a half-width of a maximum of the intensity distribution function of the radiation emitted by the transmitting device.
  • the "transmission device is intended to emit radiation of a first and at least one second wavelength range in at least one operating process" should be understood to mean that the transmitting device in at least one operating mode during at least one operation radiation of the first and at least the second Wavelength range emits, preferably there is a wavelength range with an extension of more than 0 nm, which between the first and the second
  • Wavelength range is arranged.
  • a "central wavelength” of a wavelength range should be understood to mean, in particular, a wavelength which is arranged in the middle of a wavelength interval which forms the wavelength range, under which a central wavelength lies "between" a first wavelength and a second wavelength, which is greater than the first wavelength, should be understood in particular that the central wavelength is greater than the first wavelength, but smaller than the second wavelength.
  • a reliable operation can be achieved.
  • a property of the object can be reliably detected by means of a radiation emitted by the transmitting device onto an object.
  • human limbs can be reliably distinguished from dry materials.
  • the first transmitting device is provided to emit in the operating process radiation of at least one third wavelength range, which differs from the first and the second wavelength range. It is to be understood, in particular, that the first transmitting device emits radiation of at least one third wavelength range during the operating process, below that "the third wavelength range of the first and the second wavelength range ", should be understood in particular that a central wavelength of the third wavelength range of a central wavelength of the second wavelength range and a central wavelength of the first wavelength range. This allows a particularly reliable operation can be achieved.
  • a central wavelength of the third wavelength range is less than 630 nm, whereby high-quality recognition properties can be achieved.
  • the central wavelength of the third wavelength range is a UV wavelength, whereby particularly high-quality recognition properties and in particular a distinction of human limbs and both moist and dry materials can be achieved.
  • the central wavelength of the third wavelength region is a wavelength of the near UV region.
  • near UV range should be understood to mean, in particular, that wavelength range which lies between 315 nm and 380 nm, which means that particularly high-quality detection properties can be achieved.
  • the first transmitting device is provided, in the operating process radiation of at least a fourth
  • Wavelength range to be emitted which differs from the first, the second and the third wavelength range.
  • the first transmitting device is intended to emit in the operating process radiation of at least one fourth wavelength range which differs from the first, the second and the third wavelength range
  • the first transmitting device during the operating process radiation at least of a fourth wavelength range, which differs from the first, the second and the third wavelength range, whereby a secure usability can be achieved.
  • the first transmitting device is provided to mark a machine tool working area in at least one operating operation by means of radiation of at least one of the wavelength ranges.
  • the first transmitting device is intended to mark a machine tool working area by means of radiation of at least one of the wavelength ranges during at least one operating operation
  • the first transmitting device in at least one operating operation by means of radiation at least one of the wavelength ranges a machine tool working area In this way, a high degree of operational reliability can be achieved, in particular for a user.
  • an additional marking unit can be saved.
  • At least one of the wavelength ranges has a width between 10 nm and 200 nm.
  • an effective comprehensibility can be achieved.
  • the transmitting unit is provided to deliver the radiation pulsed at least one of the wavelength ranges. It is to be understood, in particular, that the transmitting unit outputs the radiation of at least one of the wavelength ranges pulsed in at least one operating procedure Radiation should in particular be understood as alternating emission of the radiation and failure to emit radiation. Thus, an effective operability can be achieved. In particular, it can be achieved that with a sensing of reflected radiation, radiation with wavelengths of different wavelength ranges can be detected at different times and in particular more accurately.
  • the tool device has at least one second transmitting device, which is formed separately from the first transmitting device.
  • a high level of operational reliability can be achieved.
  • irradiation of a material or a human Limb can be made from different directions, whereby a reflected from the material or the human limb radiation is effectively detectable.
  • the tool device has at least two sensor elements, which are formed separately from one another and which are provided to sense the radiation during at least one operating operation.
  • the tool device has at least two sensor elements, which are formed separately from one another and which are provided to sense the radiation during at least one operating operation.
  • each of the sensor elements is associated with a transmitting device.
  • the fact that a sensor element of a transmitting device is "assigned" should in particular mean that the sensor element has at least one operating process a higher intensity, preferably at least ten times higher, and particularly preferably at least one hundred times higher intensity of radiation of the transmitting device than of all This allows a particularly harmless operability can be achieved.
  • the tooling device has more than two and preferably three to twenty transmitting devices formed separately from each other. As a result, a particularly high level of operational reliability can be achieved.
  • the tool device has at least one sensor unit and at least one demodulation unit which is provided to demodulate at least one signal received by the sensor unit.
  • the demodulation unit is intended in particular to demodulate at least one signal received by the sensor unit during at least one operating procedure.
  • a cost-effective design of a sensor unit can be achieved.
  • the tool device has at least one temperature sensor, which is provided to at least one temperature of a functional onsffens.
  • the temperature sensor is intended to detect at least one temperature of a functional agent
  • the temperature sensor detects at least one temperature of a functional agent during at least one operating operation can be achieved that temperature fluctuations have no effect on the functioning of the functional agent.
  • the tool device has at least one sensor unit and at least one correction unit, which is provided to correct at least one value measured by the sensor unit, at least with regard to an ambient radiation influence.
  • the correction unit is intended to correct at least one value measured by the sensor unit at least with respect to an environmental radiation influence
  • the correction unit at least one operating operation at least one measured by the sensor unit value at least with respect
  • Correcting that the correction unit "corrects" a value measured by the sensor unit with regard to an ambient radiation influence should in particular be understood to mean that the correction unit eliminates an influence of environmental radiation on the value. As a result, a precise sensibility can be achieved.
  • FIG. 1 is a side view of a circular saw with a circular saw protection device according to the invention
  • Fig. 1 a is a plan view of the circular saw, wherein a hood of the
  • Circular saw is not shown 2 is a schematic representation of a front view of the circular saw
  • FIG. 3 is a front view of a sensor unit and a first transmitting unit of the circular saw protection device
  • FIG. 4 is a schematic representation of central wavelengths, which emits the first transmitting unit
  • FIG. 1 shows a machine tool designed as a circular saw with a tool device according to the invention, which is designed as a circular saw protection device.
  • the tool device has a transmitting device 10 which emits radiation of a first, a second, and a third wavelength range 12, 14, 20 in the direction of a machine tool working region 26 of the tool device during an operating process (FIG. 2).
  • the radiation is reflected in the machine tool working area 26, whereby reflected radiation is propagated to a sensor unit 30 of the tool device (FIGS. 2 and 3).
  • a workpiece 40 is introduced into the machine tool working area 26 and processed by a saw blade 42 of the tool device.
  • the radiation strikes the workpiece 40 and is reflected by it in the direction of the sensor unit 30.
  • the machine tool working area 26 is horseshoe-shaped, but in principle can also extend annularly around the saw blade 42. If a human hand 44 is introduced into the machine tool working area 26, then the radiation emitted by the transmitting device 10 is likewise reflected in the direction of the sensor unit 30.
  • the sensor unit 30 detects radiation reflected in its direction and transmits measured radiation intensities to an evaluation unit 46 of the tool device which, on the basis of the radiation emitted by the transmission device 10 and the radiation sensed by the sensor unit 30, detects whether the workpiece 40, which is dry and / or or moist materials, or a human limb, in particular the hand 44, in which Or whether the machine tool working area 26 is free of the workpiece 40 and human limbs.
  • the detection of whether the workpiece 40 or a human limb is located in the machine tool working area 26 takes place in that the measured radiation intensities are processed and compared with values stored in a memory unit (not shown) of the evaluation unit 46. If a human limb is located in the machine tool working area 26, the evaluation unit 46 causes an immediate stop of the saw blade 42.
  • a central wavelength 16 of the first wavelength range 12 is 740 nm
  • a central wavelength 18 of the second wavelength range 14 is 1550 nm
  • a central wavelength 22 of the third wavelength range 20 is 375 nm (FIG. 4).
  • the transmitting device 10 also emits radiation of a fourth wavelength range 24, which optically marks a lateral border 48 of the machine tool working region 26 on a working plate 50 of the tool device (FIG. 1 a).
  • a central wavelength 52 of the fourth wavelength range 24 is 480 nm and, in principle, can also be between 400 nm and 700 nm.
  • the wavelength ranges 12, 14, 20, 24 have a width of 50 nm. In principle, it is also conceivable that one or more of the widths are between 5 nm and 200 nm.
  • the tool device has a second transmitting device 28 (FIG. 3), which is formed separately from the first transmitting device 10 and, in an operating mode, irradiates radiation of a further wavelength range into the machine tool working region 26 for a distinction between human limbs and materials. It is conceivable that the second transmitting device 28 irradiates radiation of the first, second and / or third wavelength range 12, 14, 20 as an alternative or in addition to the radiation emitted by the first transmitting device 10.
  • a modulation unit 54 of the first transmitting device 10 modulates transmission signals.
  • the modulation of the modulation unit 54 is an amplitude modulation, which results in the transmission apparatus 10 only irradiating a single wavelength range 12, 14, 20 in a time interval the wavelength ranges 12, 14, 20 emits ( Figure 5).
  • Figure 5 the wavelength ranges 12, 14, 20 emits
  • other types of modulation are conceivable.
  • first radiation 56 of the first wavelength range 12, subsequently radiation 58 of the second wavelength range 14 and then radiation 60 of the third wavelength range 20 are emitted.
  • the emission of radiation by the transmitting device begins again with the emission of radiation 62 of the first wavelength range 12, etc.
  • a pulse frequency of the pulsed emission of the radiation of a single one of the wavelength ranges may be between 25 HZ and 1 GHZ.
  • the evaluation unit 46 has a demodulation unit 32 which, in the operating process, receives a signal received from the sensor unit 30
  • the demodulation unit 32 reverses the amplitude modulation performed by the modulation unit 54.
  • One of the sensor elements 64 is the transmitting device 10 and another one of the sensor elements 64
  • Sensor elements 64 is assigned to the transmitting device 28.
  • the tool device comprises a temperature sensor unit 34, which detects temperatures of the first transmitting device 10 and the sensor unit 30.
  • the temperature sensor unit 34 provides the temperatures during the operation of the first transmitting device 10 and the evaluation unit 46, and the first transmitting device 10 and the evaluation unit 46 adjust their operation to the temperatures.
  • characteristic curves are stored, which allow adjusting the operation of the sensor unit to the prevailing temperature.
  • the evaluation unit 46 comprises a correction unit 38 which corrects measurement results of the sensor unit 30 with regard to a prevailing ambient radiation.
  • the sensor unit 30 measures an ambient radiation influence in an operating mode in which the transmission devices 10, 28 are active. After a generation of a measurement result by the sensor unit 30 with the transmitting device 10 active, the correction unit 38 subtracts the ambient radiation influence from the measurement result.
  • the first transmitting device continuously emits radiation of the wavelength ranges 12, 14, 20 in time.
  • the first central wavelength 16 assumes a value of 1075 nm.
  • the second central wavelength 18 assumes a value of 1450 nm or 1375 nm.
  • the third central wavelength 22 assumes a value of 450 nm.
  • the first transmitting device 10 and the sensor unit 30 can be accommodated in a single housing or in different housings.
  • the wavelength ranges 12, 14, 20 can also have a width between 1 nm and 1 micrometer. In this case, the widths of the individual wavelength ranges 12, 14, 20 may be different.
  • Radiation sources of the transmitting devices 10, 28 may in principle be formed by LEDs, lasers, fluorescent tubes, OLEDs or incandescent lamps.
  • Widths of wavelength ranges detected by the sensor unit 30 substantially correspond to the widths of the wavelength ranges 12, 14, 20.
  • the sensor unit 30 is formed by a photodiode. In principle, the sensor unit 30 can also be formed by a plurality of photodiodes, Si and / or GaAs detector arrays.
  • the radiation emitted by the transmitting device 10 in the individual wavelength ranges 12, 14, 20 can be independent of a temporal characteristic with respect to a temporal characteristic, with which radiation in other of the wavelength ranges 12, 14, 20 is emitted.
  • the first transmitting device 10 and the sensor unit 30 are linked by means of a synchronous demodulator, which can be used for lock-in detection.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Optical Transform (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

L'invention concerne un dispositif pour outil, notamment un dispositif de protection de scie circulaire, comprenant au moins un premier dispositif émetteur (10) qui est prévu pour émettre un rayon d'une première ou au moins d'une deuxième plage de longueurs d'onde (12, 14) dans au moins un processus de fonctionnement. Il est proposé qu'une longueur d'onde centrale (16) de la première plage de longueurs d'onde (12) se situe entre 600 nm et 1350 nm et qu'une longueur d'onde centrale (18) de la deuxième plage de longueurs d'onde (14) se situe entre 1150 nm et 200 nm ou entre 1200 nm et 1300 nm ou entre 1300 nm et 450 nm ou entre 1450 nm et 3000 nm.
PCT/EP2010/061465 2009-10-05 2010-08-06 Dispositif pour outil WO2011042234A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009045322A DE102009045322A1 (de) 2009-10-05 2009-10-05 Werkzeugvorrichtung
DE102009045322.9 2009-10-05

Publications (1)

Publication Number Publication Date
WO2011042234A1 true WO2011042234A1 (fr) 2011-04-14

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ID=42859001

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/061465 WO2011042234A1 (fr) 2009-10-05 2010-08-06 Dispositif pour outil

Country Status (2)

Country Link
DE (1) DE102009045322A1 (fr)
WO (1) WO2011042234A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3083135B1 (fr) * 2013-12-18 2020-07-22 Robert Bosch GmbH Machine outil avec détection de peau
EP3366440A1 (fr) 2017-02-24 2018-08-29 Scheppach Fabrikation von Holzbearbeitungsmaschinen GmbH Mécanisme de protection pour une scie, en particulier scie circulaire à table et une scie, en particulier scie circulaire à table équipée de tels mécanisme de protection
DE102018103729A1 (de) 2018-02-20 2019-08-22 Fraba B.V. Optoelektronische Sicherheitsvorrichtung und Verfahren zum Überwachen einer Maschinenbewegung
CN112792606A (zh) * 2020-12-31 2021-05-14 河南中恒美新材料有限公司 一种用于高导热散热铝型材的制备装置及制备方法

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6370260B1 (en) * 1999-09-03 2002-04-09 Honeywell International Inc. Near-IR human detector
US20040167502A1 (en) * 2003-02-25 2004-08-26 Weckwerth Mark V. Optical sensor and method for identifying the presence of skin
US20060101960A1 (en) * 2003-03-10 2006-05-18 Smith Matthew A Optical proximity device for power tools
WO2008028868A1 (fr) * 2006-09-04 2008-03-13 Robert Bosch Gmbh Dispositif de surveillance de machine-outil
WO2008071805A1 (fr) 2006-12-15 2008-06-19 Fachhochschule Bonn-Rhein-Sieg Machine à introduction manuelle pour travailler sur des matériaux, objets et similaires, et moyens de protection pour une telle machine
WO2008151872A1 (fr) * 2007-06-15 2008-12-18 Robert Bosch Gmbh Dispositif de contrôle de machine-outil
WO2008152141A1 (fr) * 2007-06-15 2008-12-18 Robert Bosch Gmbh Dispositif de surveillance de machines-outils
WO2009040151A1 (fr) * 2007-09-20 2009-04-02 Robert Bosch Gmbh Dispositif de sécurité pour machine-outil
WO2009040153A1 (fr) * 2007-09-20 2009-04-02 Robert Bosch Gmbh Machine-outil
WO2009152878A1 (fr) * 2008-06-18 2009-12-23 Robert Bosch Gmbh Dispositif de surveillance d'une machine-outil

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6370260B1 (en) * 1999-09-03 2002-04-09 Honeywell International Inc. Near-IR human detector
US20040167502A1 (en) * 2003-02-25 2004-08-26 Weckwerth Mark V. Optical sensor and method for identifying the presence of skin
US20060101960A1 (en) * 2003-03-10 2006-05-18 Smith Matthew A Optical proximity device for power tools
WO2008028868A1 (fr) * 2006-09-04 2008-03-13 Robert Bosch Gmbh Dispositif de surveillance de machine-outil
WO2008071805A1 (fr) 2006-12-15 2008-06-19 Fachhochschule Bonn-Rhein-Sieg Machine à introduction manuelle pour travailler sur des matériaux, objets et similaires, et moyens de protection pour une telle machine
WO2008151872A1 (fr) * 2007-06-15 2008-12-18 Robert Bosch Gmbh Dispositif de contrôle de machine-outil
WO2008152141A1 (fr) * 2007-06-15 2008-12-18 Robert Bosch Gmbh Dispositif de surveillance de machines-outils
WO2009040151A1 (fr) * 2007-09-20 2009-04-02 Robert Bosch Gmbh Dispositif de sécurité pour machine-outil
WO2009040153A1 (fr) * 2007-09-20 2009-04-02 Robert Bosch Gmbh Machine-outil
WO2009152878A1 (fr) * 2008-06-18 2009-12-23 Robert Bosch Gmbh Dispositif de surveillance d'une machine-outil

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