Machine tool, system and method for adjusting output parameter of output unit of machine tool

Abstract

The invention relates to a machine tool (10), in particular a grinding and / or polishing machine, comprising a communication unit (12) for communicating with at least one independently designed control unit (14), and at least one output unit (16), in particular a lighting unit, having at least one adjustable output parameter, in particular a lighting parameter. According to the invention, the communication unit (12) is designed to obtain control commands from the control unit (14), which control commands adjust the output parameters in accordance with a process-dependent group attribution.

Description

Technical Field

[0001] The invention relates to a machine tool, a system and a method for adjusting an output parameter of an output unit of a machine tool. Background Art

[0002] A machine tool is proposed which has a communication unit for communicating with at least one independently designed control unit and has at least one output unit which has at least one adjustable output parameter. Summary of the invention

[0003] The invention proceeds from a machine tool, in particular a grinding machine and / or polishing machine, which has a communication unit for communicating with at least one independently constructed control unit and has at least one output unit, in particular a lighting unit, which has at least one adjustable output parameter, in particular a lighting parameter.

[0004] It is proposed that the communication unit is designed to receive control commands from the control unit, which control commands are transmitted according to process-related group assignments. ) to adjust the output parameters.

[0005] The configuration of the machine tool according to the invention allows a particularly simple distinction from other machine tools. A particularly simple allocation of the machine tools can be achieved. Advantageously, the visual distinction and / or the allocation of the machine tools can be achieved in a particularly space-saving manner and / or in particular without the need for additional accessories. The allocation of the machine tools can be carried out in a particularly comfortable and / or flexible and particularly time-saving manner. Advantageously, a particularly high degree of working comfort and / or a particularly high degree of working safety can be achieved. In particular, a structured working method can be supported in a particularly simple and / or safe manner.

[0006] The machine tool is preferably designed as a handheld machine tool. The machine tool is preferably designed as a grinding and / or polishing machine, preferably a fancy grinding device, in particular an oscillating grinding device or an eccentric grinding device. However, it is also conceivable that the machine tool is designed as an oscillating saw, an angle grinder, a milling machine, a drill, a jigsaw, a screwdriver, a chain saw or other machine tools that appear meaningful to a person skilled in the art. The machine tool can be designed as a battery-operated machine tool or a cable-connected machine tool.

[0007] Furthermore, it is alternatively conceivable that the power tool is designed as a garden tool or the like, for example as a hedge shears, a lawn mower, in particular a lawn mower robot, a sprinkler, pruning shears or the like.

[0008] The communication unit is preferably configured for wireless data transmission, in particular with the control unit, for example by means of Bluetooth, WLAN, mobile communication, etc. Alternatively or additionally, it is also conceivable that the communication unit is configured for wired data transmission with the control unit. The communication unit is preferably arranged on the housing of the machine tool, in particular in the housing of the machine tool.

[0009] The output unit is configured as a visual, tactile and / or auditory output unit, for example. Preferably, the output unit is configured as a lighting unit. The output parameters can be, for example, lighting parameters, in particular lighting color, lighting duration, lighting pattern, etc., volume, pitch, tone duration, vibration intensity, vibration duration, vibration pattern, combinations of these parameters, etc.

[0010] The control unit is especially designed independently of the machine tool. For example, the control unit can be designed as a central computer, a cloud, a smartphone, a remote control, a laptop, a gateway, etc. The control unit especially includes at least one processor and a storage element and an operating program stored on the storage element. The storage element is preferably designed as a digital storage medium, such as a hard disk, etc.

[0011] In particular, a process-related group attribute can be assigned to the machine tool by means of the control unit. The process-related group attribute in particular assigns the machine tool to a work group and / or a work process. The process-related group attribute of the machine tool can be related, for example, to a work plan to be performed and / or to properties of the machine tool, such as a speed range, a load range, a battery power, etc.

[0012] It is conceivable that the operator can manually assign process-related group assignments to the machine tool, in particular via an input unit of the control unit. The input unit can be designed, for example, as a keyboard, touch screen, keypad, rotary wheel, switch or the like.

[0013] Alternatively or additionally, it is conceivable that the control unit is configured to at least partially automatically assign process-related group assignments to the machine tools as a function of the work plan to be executed. The work plan can be stored on the control unit, for example.

[0014] In addition, it is conceivable that at least one operating parameter and / or safety parameter of the machine tool can be adapted by means of a control command transmitted by the control unit to the machine tool. It is conceivable that the adaptation of at least one operating parameter and / or at least one safety parameter of the machine tool is dependent on the corresponding process-related group attribute of the machine tool. The operating parameters can be, for example, a speed range, a direction of rotation, an application duration, etc. For example, it is conceivable that the machine tool is automatically switched off when the application duration is exceeded, in particular to avoid excessive grinding or polishing on the application site, for example to avoid grinding through a paint layer. The safety parameters can be, for example, temperature limit values ​​for a switch-off function, a kick-back function, etc.

[0015] In addition, it is proposed that the output unit has at least one output element, which is set to output process-related group attributes in at least one operating state. A particularly simple distinction from other machine tools and / or groups can be achieved. A particularly simple allocation of machine tools can be achieved. "Setting" should be understood as a special setting, a special design and / or a special equipment. The object is set to a certain function and should be understood that the object meets and / or implements the determined function in at least one application and / or operating state. The output element can be configured as a light strip, a light ring, a light ring, a U-shaped light element, a loudspeaker, a tactile output device, etc. It is also conceivable that the output element is configured as a simulated optical display element. Preferably, the output element has at least one light source and / or at least one optical conductor. The optical conductor can be configured as a transparent fiber, tube or rod, for example. It is also conceivable that the output element has a reflective element, especially a light-scattering element, for example in the form of sandblasted, scattered glass, plastic or ceramic sheets, scattered plastic films, etc. Preferably, the optical conductor is arranged between the light source and the reflective element. The optical conductor is particularly configured to guide light from the light source to the reflective element. It is also conceivable that the reflective element is part of the optical waveguide or forms the optical waveguide. Alternatively, it is conceivable that the output element is constructed without a reflective element and / or an optical waveguide. The light source is, for example, constructed as an LED, preferably an RGB-LED, as an incandescent lamp or other light-emitting device that seems meaningful to a person skilled in the art. It is conceivable that the LED is constructed as a surface-mounted component, which is especially mounted on a circuit board of the machine tool.

[0016] It is further proposed that the output unit is designed as a working lighting device. Advantageously, a particularly high functionality can be achieved at particularly low cost. The process-related group attribution of the machine tool can be made particularly simple and / or space-saving in terms of structural design. The output unit is particularly designed to illuminate the workpiece to be processed in at least one operating state. It is conceivable that at least one output element, in particular an output element designed as an optical output element, is part of the working lighting device. However, it is also conceivable as an alternative that the output unit is designed independently of the working lighting device.

[0017] It is further proposed that the output parameter has a luminous color. Advantageously, the process-related group attribution of the machine tool can be particularly easily identified. Advantageously, the intended use of the machine tool can be checked and / or detected particularly quickly and / or with particularly wide visibility. Preferably, the luminous color depends on the process-related group attribution. It is conceivable that the output unit can generate different luminous colors by means of an output element or that the output unit has a plurality of output elements for generating different luminous colors. The process-related group attribution is characterized in particular by the output parameter, in particular the luminous color.

[0018] It is further proposed that the machine tool has a drive unit, wherein the output unit is configured to output process-related group attributes in the switched-off state of the drive unit. Advantageously, disturbances in the execution of work can be counteracted by outputting process-related group attributes. The drive unit preferably has an electric motor. However, it is also conceivable that the drive unit has an internal combustion engine. It is also conceivable that the output unit is configured to output process-related group attributes, for example continuously or temporarily, in the switched-on state of the drive unit.

[0019] It is further proposed that the output unit is configured to output a process-related group attribute after the drive unit is switched off. Advantageously, the process-related group attribute can be output automatically. Disturbances to which the operator is subjected during the work with the machine tool can be counteracted by outputting the process-related group attribute. Advantageously, the process-related group attribute can be output particularly comfortably and / or safely. For example, the output unit is configured such that the output unit outputs the process-related group attribute from the switching-off time of the drive unit or after a previously defined time interval, for example 1 s, 3 s, 10 s, etc., from the switching-off time of the drive unit for a previously defined time interval, for example at least 1 s, preferably at least 10 s, advantageously at least 60 s, or permanently.

[0020] It is further proposed that the output unit is configured to at least temporarily output a process-related group attribute during operation of the output unit as a working light. Advantageously, the process-related group attribute can be output and in particular recorded by the output unit during operation as a working light. The process-related group attribute is output by the output unit during operation of the output unit as a working light with particularly low impairment of the lighting quality. For example, the output unit is configured to temporarily output a process-related group attribute during operation of the output unit as a working light for a previously defined time interval, for example at least 500 ms, in particular at least 1 s, in particular at most 2 s, preferably at most 1 s. Alternatively, it is also conceivable that the output unit is configured to at least temporarily output a process-related group attribute for less than 500 ms or for more than 2 s during operation of the output unit as a working light. Preferably, the output unit is configured to operate with a neutral light color, for example white, light blue, etc. during operation of the output unit as a working light. When outputting a process-related group attribute, the output unit is set, for example, according to the process-related group attribute to operate in a blue, red, green, orange, yellow, etc. light color. For example, the output unit is set so that the ratio of the output duration of the process-related group attribute to the output duration of the neutral light color during the operation of the output unit as a working lighting device is at least 1s to 2s, at most 2s to 30s, preferably 3s to 20s. However, other ratios that appear to be meaningful to a person skilled in the art are also conceivable as an alternative.

[0021] In addition, it is proposed that the machine tool has at least one plug-in tool, which has at least one display element for displaying information about process-related group attributes. Advantageously, an abnormal combination of a machine tool and an insert tool can be offset. The display element can be configured, for example, as a painted portion of the insert tool, a sticker, a light-emitting element, etc. For example, the insert tool can be configured as a grinding disc, a saw blade, a screwdriver bit, a drill bit, or other insert tools that seem meaningful to a person skilled in the art. The display element preferably has a color. In particular, the process-related group attributes of the insert tool and the machine tool can be compared by means of the display element, preferably the color of the display element and the output parameter of the output unit, in particular the light color.

[0022] In addition, the present invention is based on a system having at least one machine tool, in particular as mentioned above, and a control unit, in particular as mentioned above, which is constructed independently of the machine tool, wherein the machine tool has at least one output unit, in particular as mentioned above, which has at least one adjustable output parameter, in particular as mentioned above, in particular as mentioned above, in particular as mentioned above. It is proposed that the control unit is set up to adjust the output parameter according to the process-related group attribute of the machine tool, in particular as mentioned above. It is conceivable that the system comprises only one machine tool or a plurality of machine tools. A particularly simple distinction between a plurality of machine tools can be achieved. A particularly simple allocation of machine tools can be achieved. Advantageously, a visual distinction and / or an allocation of machine tools can be achieved in a particularly space-saving manner and / or in particular without the need for additional accessories. The allocation of machine tools can be carried out in a particularly comfortable and / or flexible and particularly time-saving manner. Advantageously, a particularly high degree of working comfort and / or a particularly high degree of working safety can be achieved. In particular, a structured working method can be supported in a particularly simple and / or safe manner.

[0023] Furthermore, the invention is based on a method for adjusting an output parameter, in particular an illumination parameter, of an output unit, in particular an illumination unit, of a machine tool, in particular an output unit, in particular an illumination unit, in particular an output parameter, in particular an illumination parameter, of a machine tool, in particular an output unit, in particular an illumination unit, in particular an output parameter, in particular an illumination parameter, of a machine tool, in particular an output unit, in particular an illumination unit, in particular an illumination unit, in particular an output parameter, in particular an illumination parameter, of a machine tool, in particular an illumination unit ... In particular, in an additional method step, preferably in an output step, the process-related group attributes are output by the output unit, preferably in the form of a color assigned to the respective group. Advantageously, a particularly simple differentiation of machine tools can be achieved. A particularly simple allocation of machine tools can be achieved. Advantageously, a visual differentiation and / or an allocation of machine tools can be achieved in a particularly space-saving manner and / or in particular without the need for additional accessories. The allocation of machine tools can be carried out in a particularly comfortable and / or flexible, particularly time-saving manner. Advantageously, a particularly high degree of working comfort and / or a particularly high degree of working safety can be achieved. In particular, a structured working method can be supported in a particularly simple and / or safe manner.

[0024] The machine tool according to the invention, the system according to the invention and / or the method according to the invention are not / should not be limited to the applications and embodiments described above. In particular, the machine tool according to the invention, the system according to the invention and / or the method according to the invention may have a number of individual elements, components and units and method steps that deviate from the number described here in order to meet the working method described here. In addition, in the case of value ranges given in the present disclosure, the values ​​within the limits are also to be regarded as public and can be used arbitrarily. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Further advantages are obtained from the following description of the drawings. Embodiments of the invention are shown in the drawings. The drawings, the description and the claims contain many combined features. A person skilled in the art will also consider these features, in particular the features of different embodiments, independently and combine them into meaningful other combinations.

[0026] The accompanying drawings show:

[0027] Figure 1 : A system according to the invention comprising a control unit and two machine tools,

[0028] Figure 2 : Figure 1 A cross-sectional view of a portion of one of the two machine tools,

[0029] Figure 3 : Schematic flow of a method for adjusting an output parameter of a corresponding output unit of a machine tool. DETAILED DESCRIPTION

[0030] Figure 1 A system 28 is shown having two machine tools 10, 30 and a control unit 14 which is designed independently of the machine tools 10, 30. Alternatively, it is conceivable that the system 28 has only one machine tool 10, 30 or more than two machine tools 10, 30. Furthermore, it is also conceivable that the system 28 has an additional control unit which is arranged between the machine tools 10, 30 and the control unit 14.

[0031] The power tools 10 , 30 are designed as handheld power tools. Alternatively, it is also conceivable that at least one of the power tools 10 , 30 is designed as a garden tool, such as a hedge cutter, a lawn mower, in particular a lawn mowing robot, a spraying device, pruning shears, or the like.

[0032] One of the machine tools 10, 30 is configured as a grinding and / or polishing machine, preferably as a fancy grinding device, in particular an oscillating grinding device or an eccentric grinding device. However, it is also conceivable that the machine tool 10 is configured as an oscillating saw, an angle grinder, a milling machine, a drill, a jigsaw, a screwdriver, a chain saw or other machine tools that appear meaningful to a person skilled in the art. The other machine tool 30 of the machine tools 10, 30 is configured as an oscillating saw, for example.

[0033] The control unit 14 can be configured as a central computer, cloud, smartphone, remote control, laptop, gateway, etc. The control unit 14 includes at least one processor and a memory element and an operating program stored on the memory element. The storage element is preferably configured as a digital storage medium, such as a hard disk, etc.

[0034] The machine tools 10 and 30 each have an output unit 16. The output units 16 each have at least one adjustable output parameter. The output parameter is a lighting parameter. The output parameter has a lighting color. Alternatively or additionally, it is conceivable that the output parameter has a lighting duration, a lighting pattern, etc., a volume, a pitch, a tone duration, a vibration intensity, a vibration duration, a vibration pattern, a combination of these parameters, etc.

[0035] The output units 16 are each designed as visual output units. Alternatively or additionally, it is conceivable that the output units 16 are designed as tactile and / or acoustic output units. The output units 16 are designed as lighting units.

[0036] A process-related group assignment can be assigned to each machine tool 10 , 30 by means of control unit 14 . A corresponding process-related group assignment is an assignment of the corresponding machine tool 10 , 30 to a work group and / or a work process.

[0037] The assignment of process-related group assignments of machine tools 10 , 30 may depend, for example, on the work plan to be performed and / or on properties of machine tools 10 , 30 , such as speed range, load range, battery power, etc.

[0038] It is conceivable that the process-related group association can be adjusted manually by an operator, in particular via an input unit (not shown here) of the control unit 14. The input unit can be designed, for example, as a key, touch screen, keyboard, rotary wheel, switch or the like.

[0039] Alternatively or additionally, it is conceivable that control unit 14 is designed to at least partially automatically assign process-related group assignments to machine tools 10 , 30 as a function of a work plan to be executed, wherein the work plan is stored on control unit 14 , for example.

[0040] The work plan has, for example, various requirements, in particular at least one or more process parameters for executing the work plan, such as information about the type and / or number of required machine tools 10, 30, information about product characteristics of the required machine tools 10, 30, such as speed range, load range, battery power, etc., information about the material to be processed, information about the required working time, information about the planned completion date, information about environmental characteristic parameters of the working environment, such as ambient temperature, humidity of the working environment, coordinates of the working environment, etc.

[0041] The control unit 14 is configured to adjust the corresponding output parameters as a function of the process-related group assignment of the corresponding machine tool 10, 30. The process-related group assignment is characterized by an output parameter, in particular a light color. If, for example, different process-related group assignments are assigned to the machine tools 10, 30, the output parameters, in particular the light colors, of the corresponding output units 16 are different. If the machine tools 10, 30 have the same process-related group assignment, the corresponding output parameters, in particular the light colors, are the same.

[0042] The machine tools 10, 30 each have a communication unit 12 for communicating with a control unit 14. The communication unit 12 is configured for wireless data transmission with the control unit 14, for example, by means of Bluetooth, WLAN, mobile communication, etc. Alternatively or additionally, it is also conceivable that the communication unit 12 is configured for wired data transmission with the control unit 14, for example, by means of a USB interface, etc. The communication unit 12 is particularly arranged on, in particular in, a corresponding housing 34 of the machine tools 10, 30.

[0043] The communication units 12 are each configured to receive a control command from the control unit 14, which adjusts the corresponding output parameter according to the process-related group attribute. In addition, it is conceivable that at least one operating parameter and / or safety parameter of the machine tool 10, 30 can be adapted by the control command transmitted from the control unit 14 to the machine tool 10, 30. It is conceivable that the adaptation of at least one operating parameter and / or at least one safety parameter of the machine tool 10, 30 is related to the corresponding process-related group attribute of the machine tool 10, 30. The operating parameters can be, for example, a speed range, a direction of rotation, an application duration, etc. For example, it is conceivable that the machine tool 10 is automatically shut down when the corresponding application duration is exceeded, in particular to avoid excessive grinding or polishing on the application site, for example to avoid grinding through the paint layer. The safety parameter can be, for example, a temperature limit value for a shut-off function, a recoil function, etc.

[0044] The output units 16 each have at least one output element 18. The at least one respective output element 18 is provided for outputting a process-related group attribute in at least one operating state of the respective machine tool 10, 30.

[0045] The output element 18 of the machine tool 10 is configured as a light ring. The output element 18 of the machine tool 10 is arranged in the area of ​​the tool receiving portion 36 of the machine tool 10. However, it is also conceivable that the output element 18 of the machine tool 10 is arranged at other positions on the housing 34 of the machine tool 10 that seem meaningful to a person skilled in the art. It is also conceivable that the output element 18 of the machine tool 10 is configured as a light strip, a light ring, a U-shaped light element, a loudspeaker, a tactile output device, etc. It is also conceivable that the output element 18 of the machine tool 10 is configured as a simulated visual display element.

[0046] The output element 18 of the machine tool 10 has a plurality of light sources 40. However, alternatively, it is also conceivable that the output element 18 has only one light source 40. The light source 40 is configured as an LED, in particular an RGB-LED. The light source 40 is configured as a surface mount component, for example. The light source 40 is arranged on a circuit board 38 of the machine tool 10. The circuit board 38 is configured in an annular manner, for example. Alternatively, it is also conceivable that the circuit board 38 is configured as a rectangle, a circle, a polygon, or other shapes that seem meaningful to those skilled in the art.

[0047] The output element 18 of the machine tool 10 has a reflective element 42. Alternatively, it is conceivable that the output element 18 of the machine tool 10 is configured without a reflective element 42. The reflective element 42 is configured as a light-scattering ring. Alternatively, it is conceivable that the reflective element 42 is configured in the form of sandblasting, scattering glass, plastic or ceramic sheets, scattering plastic films, etc.

[0048] The output element 18 of the machine tool 10 is oriented about an output axis 44 of the machine tool 10 (see Figure 2 ). The reflective element 42 is part of a protective cover 46 of the machine tool 10, which in particular forms the reflective element 42. However, it is also conceivable that the reflective element 42 is designed separately from the protective cover 46 as an alternative.

[0049] Output element 18 of further machine tool 30 is designed here, for example, as a U-shaped light element. Output element 18 of further machine tool 30 is arranged in the region of tool receptacle 36 of further machine tool 30 .

[0050] The output unit 16 is designed as a working lighting device 20 . The output unit 16 is provided for illuminating a workpiece to be processed (not shown here) in at least one operating state. The output element 18 is part of a corresponding working lighting device 20 .

[0051] The machine tools 10, 30 each have a drive unit 22. The output unit 16 is configured to output process-related group attributes when the corresponding drive unit 22 is in the off state. The drive units 22 each have an electric motor. However, it is also conceivable as an alternative that the drive unit 22 has an internal combustion engine. It is also conceivable as an alternative that the output unit 16 is configured to output process-related group attributes, for example continuously or temporarily, when the corresponding drive unit 22 is in the on state.

[0052] The output unit 16 is configured to output the process-related group attribute after the corresponding drive unit 22 is switched off. For example, the corresponding output unit 16 is configured such that the output unit 16 outputs the process-related group attribute from the switching off time of the corresponding drive unit 22 or after a previously defined time interval, such as 1 s, 3 s, 10 s, etc., from the switching off time of the drive unit 22 for a previously defined time interval, such as at least 1 s, preferably at least 10 s, advantageously at least 60 s, or permanently.

[0053] Alternatively or additionally, it is also conceivable that at least one of the output units 16 is configured to at least temporarily output a process-related group attribute when the corresponding output unit 16 is operated as a working lighting device 20. For example, the corresponding output unit 16 is configured to temporarily output a process-related group attribute for a previously defined time interval, for example, for at least 500 ms, in particular at least 1 s, in particular at most 2 s, preferably at most 1 s, when the corresponding output unit 16 is operated as a working lighting device 20.

[0054] The further machine tool 30 has an insert tool 24. The insert tool 24 has at least one display element 26 for displaying information about the process-related group assignment. The display element 26 is designed here, for example, as a sticker. However, it is also conceivable that the display element 26 is designed as a paint coating, a light-emitting element, etc. of the insert tool 24. The insert tool 24 is designed here, for example, as a saw blade.

[0055] The process-related group association of the inserted tool 24 and the corresponding machine tool 10 , 30 can be compared via the display element 26 , preferably the color of the display element 26 and an output parameter of the corresponding output unit 16 , in particular the lighting color.

[0056] Figure 3 A schematic sequence of a method for adjusting a corresponding output parameter of output unit 16 is shown.

[0057] In one method step, in particular in a planning step 48 , a work plan is prepared. Based on the work plan, process-related group assignments are assigned to the machine tools 10 , 30 by means of the control unit 14 .

[0058] The corresponding output parameters are adjusted, in particular in a further method step, preferably in an adjustment step 50, as a function of the corresponding process-related group assignment by means of a control unit 14 which is designed independently of the machine tool 10, 30. In particular, in the adjustment step 50, control commands are transmitted to the machine tool 10, 30. With the aid of the control commands, the output parameters of the corresponding output units 16 of the machine tool 10, 30 are adjusted as a function of the corresponding process-related group assignment.

[0059] In an additional method step, in particular in an output step 52 , the process-related group affiliation is output by a corresponding output unit 16 , in particular in a lighting color assigned to the corresponding process-related group affiliation.

Claims

1. A machine tool (10), in particular a grinding and / or polishing machine, comprising: a communication unit (12) for communicating with at least one independently constructed control unit (14), and at least one output unit (16), in particular a lighting unit, having at least one adjustable output parameter, in particular a lighting parameter, It is characterized in that The communication unit (12) is designed to receive a control command from the control unit (14), which control command adjusts the output parameter as a function of a process-related group assignment.

2. The machine tool (10) according to claim 1, characterized in that The output unit (16) has at least one output element (18) which is provided for outputting the process-related group association in at least one operating state.

3. The machine tool (10) according to claim 1 or 2, characterized in that The output unit (16) is designed as a working lighting device (20).

4. The machine tool (10) according to any one of the preceding claims, characterized in that The output parameter has a glowing color.

5. The machine tool (10) according to claim 2, characterized in that A drive unit (22) is provided, wherein the output unit (16) is configured to output the process-related group attribute when the drive unit (22) is in the switched-off state.

6. The machine tool (10) according to claim 5, characterized in that The output unit (16) is configured to output the process-related group assignment after the drive unit (22) has been switched off.

7. The machine tool (10) according to claim 2 or 3, characterized in that The output unit (16) is configured to at least temporarily output the process-related group assignment during operation of the output unit (16) as a working lighting device (20).

8. The machine tool (10) according to claim 1, characterized in that At least one plug-in tool (24) is provided, which has at least one display element (26) for displaying information about the process-related group assignments.

9. A system (28) comprising at least one machine tool (10), in particular a machine tool according to any one of the preceding claims, and a control unit (14) which is designed independently of the machine tool (10), wherein: The machine tool (10) has at least one output unit (16), in particular a lighting unit, having at least one adjustable output parameter, in particular a lighting parameter, characterized in that the control unit (14) is configured to adjust the output parameter as a function of a process-related group assignment of the machine tool (10).

10. A method for adjusting an output parameter of an output unit (16) of a machine tool (10), in particular an output parameter of an output unit (16) of a machine tool (10), in particular an output parameter of a lighting unit, in particular according to any one of claims 1 to 8, characterized in that The output parameter is adjusted as a function of a process-related group assignment by means of a control unit (14) which is designed independently of the machine tool (10).

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