WO2003061918A2

WO2003061918A2 - Cutting tool

Info

Publication number: WO2003061918A2
Application number: PCT/EP2002/014623
Authority: WO
Inventors: Horst Hohnen; Holger Dietz
Original assignee: Heidel Gmbh & Co. Kg
Priority date: 2002-01-25
Filing date: 2002-12-20
Publication date: 2003-07-31
Also published as: DE50205972D1; EP1467844B1; ES2260506T3; WO2003061918A3; EP1467844A2; ATE318681T1

Abstract

The invention relates to a cutting tool for materials, in particular PU elastomer, which can be controlled by hand or is programme-controlled. Said tool comprises a cutting head (10) with a drive device (20) and a blade holder (30) comprising a cutting blade (35). Said tool has at least one cutting head and the drive device (20) is configured in a manner known per se, or consists of a drive motor (21) with a drive shaft (22) that extends along the longitudinal axis (L) of the cutting head. The tool also comprises a cam disc (25), which interacts with the drive shaft (22) of the drive motor (21) and is continuously driven around the longitudinal axis (L2) of the drive shaft, said disc comprising control surfaces (40, 41) that are configured on the opposite side (25a) to the drive motor (21) and that lie on various planes, a roller (26) that makes contact with the control surfaces (40, 41) of the cam disc (25) and a lifting rod or plunger rod (45), which is impinged by means of a spring (27), interacts with the roller (26) and the cam disc (25) by means of a coupling part (46) and bears the blade holder (30) for the cutting blade (35) on its free end (45a).

Description

cutting tool

field of use

The invention relates to a cutting tool according to the preamble of claims 1 to 5.

State of the art

When cutting materials such as B. from PU elastomers, PVC, TPO, TPU, TPE, TPE-E as structural skin, slush skin, spray spray skin, casting skin with such cutting tools, it has been shown that the edges of the cut made in the material with the cutting blade stick together, what with the known means and facilities can not be prevented.

Task, solution. advantage

The object of the present invention is to provide a cutting tool for cutting materials, such as. B. PU elastomers, PVC, TPO, TPU, TPE, TPE-E as structural skin, slush skin, spray spray skin or cast skin, with which the depth of the cut in the material to be cut is adjustable and the V-cuts in the material with different V-shape enables. Another task is to design a cutting tool in such a way that the edges of the cut can no longer stick together and, moreover, quality control of the cut made in the material is possible.

The first object is achieved with a cutting tool of the type specified with the features specified in claim 1. According to the invention, the cutting tool has at least one cutting head and, wherein the drive device is designed in a manner known per se, or made of

a drive motor with a drive shaft running in the longitudinal axis of the cutting head,

a cam disk connected to the drive shaft of the drive motor and driven around the longitudinal axis of the drive shaft with control surfaces located in different planes on the side facing away from the drive motor,

a roller that is operatively connected to one of the control surfaces of the cam disk,

a lifting rod or pushrod acted upon by a spring, which is in operative connection with the roller and the cam disc via a coupling piece and which carries at its free end the blade holder for the cutting knife,

exists, whereby the lifting movement of the cutting knife is achieved by means of the cam disk.

By means of the spring, the lifting rod or push rod is brought to a stop on the control surfaces of the cam disk.

The cam disk preferably has two control surfaces with different heights of the depression and the elevation.

The number of hills of the lifting rod or push rod can be changed by changing the speed of the drive motor.

According to a further embodiment of the invention, the cutting tool is designed in such a way that in order to produce V-cuts in the the material, the cutting tool has two cutting heads, the two cutting heads being at an angle to one another, so that the two cutting heads are at an angle to one another with their longitudinal axes. The angular position of the two cutting heads can also be changed.

The fact that the lifting movement of the cutting knife is controlled by a cam disk means that no additional and complex technical devices are required to effect the up and down movement of the cutting knife. The use of a cam disk also has the advantage that the cam disk in the cutting head can be exchanged for cam disks with differently designed control surfaces and with differently configured recesses and elevations, so that the stroke of the cutting knife can only be changed depending on the desired cutting depth by exchanging the cam disks ,

Furthermore, it is advantageous for the embodiment according to the invention in which the cutting tool has two cutting heads which are at a predetermined angle to one another, so that V-shaped cuts can be made in the material to be processed by means of the two cutting knives. By changing the angular position of the two cutting heads relative to one another, the shape of the respective V-cut can be changed and can thus be adapted to the respective requirements.

The further object is achieved with a cutting tool which is designed in a manner known per se or according to claim 1 with the features specified in claims 2, 3 and 4.

Thereafter, the invention consists in that, according to claim 2, in a cutting tool, a release agent is introduced into the cut produced in the material via its cutting head. According to claim 3 it is provided that an inorganic or organic fluorescent substance is introduced via the cutting head into the cut produced in the material.

In the cutting tool according to claim 4, a metallic material is introduced into the cut produced in the material via the cutting head.

Furthermore, a. provided to supply fluorescent substances and / or metallic substances together with the release agent.

According to a further embodiment of the invention, the cutting tool has a supply line for the separating agent arranged on the cutting head or in the cutting head, the supply line being connected at one end to a preferably micro-metering system, while the other end of the supply line opens into the region of the cutting knife.

With a cutting tool designed according to the invention, the cutting agent is fed into the cutting area in metered form during the cutting process, so that the cutting agent gets into the cutting area, wets the edges of the cut there and thereby prevents the edges of the material from sticking to one another.

The supply of fluorescent substances and / or of metallic substances, in particular in connection with the release agent, enables a quality control over the cut made in the material, whereby it is essentially a question of detecting the remaining wall thickness, i.e. the thickness of the wall on the floor of the cut remains in the material. In particular when using metallic materials, quality control can be carried out safely by measuring the thickness of the Residual wall thickness can be measured. For example, the metallic material inserted into the cut together with the release agent can be used! through ultrasonic measurements, measurements with X-rays, proximity sensors. This metallic substance is a substance with properties that are e.g. B. when using ultrasound methods clearly differ from the behavior of the plastic, ie the material in which the cut is made. The remaining wall thickness can also be measured by sensors. Other electrical methods, electrical field measurement methods can also be used.

Therefore, a method is also included, with which a quality control of the cuts can be carried out, which are made by means of the cutting tool in a material, in particular a material consisting of a plastic, in which a release agent in the cutting knife of the cutting tool or in another way the cut is introduced, which is a fluorescent substance and / or a metallic substance, for. B. in powder form. Then z. B. by ultraviolet radiation or depth of cut measurements that are carried out to the bottom of the cut or fillet weld, the depth of the fillet weld measured and the result obtained compared with the wall thickness of the material, from which the residual wall thickness can then be calculated (indirect measurement). It is also possible with the method to determine the remaining wall thickness directly.

The measurement of fluorescence can be carried out by means of absorption spectroscopy, fluorescence spectroscopy or excitation spectroscopy.

Furthermore, the invention according to claim 5 provides a system for a cutting tool that is designed in such a way that the cutting tool has at least one cutting head, the attachment the device in a manner known per se comprises a drive motor for the blade holder which can be moved back and forth in the longitudinal axis of the cutting head with the cutting knife, or from

a cam disc that is operatively connected to the drive shaft of the drive motor and driven around the longitudinal axis of the drive shaft with control surfaces formed on the side facing away from the drive motor and lying in different planes,

and that the cut produced in the material is fed by the cutting knife during the cutting process to prevent the edges of the cut from sticking together after the cut has been made and is introduced into the cut.

Further advantageous embodiments of the invention are the subject of the dependent claims.

Brief description of the drawing

Exemplary embodiments of the invention are shown in the drawings and show:

1 is a view of the cutting head with a cutting knife of a cutting tool, 2 shows a vertical section through the cutting head according to FIG. 1, but with the cutting knife omitted,

3 shows a vertical section according to FIG. 2,

4 and FIG. 5 different perspective views of the cutting head,

6 is a vertical longitudinal section through the cutting head in a perspective view,

7 is a view of a cutting tool with two cutting heads at an angle to one another,

8 is a view of a cutting tool with two cutting heads at an angle to one another, the angular position being variable,

9 to 11 each schematically show a vertical section through a V-shaped fillet weld made in a plastic material with a residual wall thickness in the cut area, the fillet welds having different V-shaped configurations,

12 is a view of the cutting head of a cutting tool with devices for feeding a release agent to the cutting knife,

13 and 14 different diagrammatic views of the cutting head,

15 is a vertical longitudinal section through the cutting head,

16 is a schematic view of the cutting head with a bore for feeding the release agent,

17 is an enlarged schematic view of the cutting knife with the release agent outlet opening,

18 is a view of the cutting head with the cutting knife of a cutting tool, 19 shows a vertical section through the cutting head according to FIG. 18, but with the cutting knife omitted,

Fig. 20 is a vertical section along line A-A according to

Fig. 19,

21 and 22 different diagrammatic views of the cutting head,

23 shows a vertical longitudinal section through the cutting head in a diagrammatic view,

24 is a view of a cutting tool with two cutting heads at an angle to one another,

25 is a view of a cutting tool with two cutting heads at an angle to one another, the angular position being changeable,

26 to 28 each schematically show a vertical section through a V-shaped fillet weld made in a plastic material with a residual wall thickness in the cut area, the fillet welds having different V-shaped designs, and

29 and FIG. 30 each schematically show a vertical section through a fillet weld with a residual wall thickness made in a plastic material.

Detailed description of the invention and best way to carry out the invention

The cutting tool 100 for materials 70, in particular PU elastomers, PVC, TPO or TPE (FIGS. 9 and 10), can be controlled by hand or is program-controlled and comprises a cutting head 10 with a drive device 20 in a housing 15. which is designed as a drive motor 21, a blade holder 30 and a cutting knife 35 which is arranged interchangeably in the blade holder 30 (FIGS. 1, 2, 3, 4, 5 and 6). In the cutting tool 100 shown in FIGS. 1 to 6, the cutting tool has at least one cutting head 10, and - as shown in FIGS. 7 and 8 - the cutting tool 100 'can also be provided with two cutting heads 10, 10'.

The lifting movement or the back and forth movement for making the cut in the material 70 for the cutting knife 35 takes place by means of a driven cam disk 25. The drive device 20 for the blade holder 30 with the cutting knife 35 comprises a drive motor 21 with a axis L running in the cutting head longitudinal axis Drive shaft 22. The cam disk 25 is operatively connected to the drive shaft 22 of the drive motor 21. By means of the drive motor 22, the cam disk 25 is driven around the longitudinal axis L2 of the drive shaft via the drive shaft 22 (FIG. 2). The cam disk 25 is thus perpendicular to the drive shaft 22 of the drive motor 21 and assumes a horizontal position in the cutting head when the cutting head 10 assumes a vertical operating position. On the side facing away from the drive motor 21, control surfaces 40, 41 are formed in different planes, two control surfaces 40, 41 being provided in the form of depressions 40a and elevations 41a in the exemplary embodiment shown in FIG. 2, these depressions 40a and Elevations 41a have different heights from one another. These depressions 40a and elevations 41a merge into one another via guide surfaces, so that a uniform lifting movement for the cutting knife 35 is ensured. The arrangement of the cam disk 25 in the cutting head 10 is such that the cam disk can be effortlessly exchanged for cam disks with differently designed control surfaces. To support the orbital movement of the cam disk 25, the latter is mounted in a corresponding manner and connected to the free end of the drive shaft 22 of the drive motor 21 by means of a coupling piece 28. The cam disk 25 is in operative connection with its control surfaces 40, 41 via a roller 26 with a lifting rod or push rod 45 which carries the blade holder 30 with the cutting knife 35 at its free end 45a. The lifting rod or push rod 45 is pressed by means of a spring 27 against the roller 26 and thus against the control surfaces 40, 41 of the cam disk 25, so that the lifting movement of the cutting blade 35 is carried out via the control surfaces 40, 41 of the cam disk 25. The number of hills of the lifting rod or push rod 45 can be changed by changing the speed of the drive motor 21.

7 shows a cutting tool 100 'which has two cutting heads 10, 10', both cutting heads being of the same design and of the cutting head 10 as described above. The two cutting heads 10, 10 'are arranged to produce V-cuts 50, 50' in the material 70 to be cut in an angular position α to one another, so that the two cutting heads 10, 10 'with their longitudinal axes L, L1 are at an angle to one another stand. In the embodiment according to FIG. 7, the two cutting heads 10, 10 'of the cutting tool 100' are arranged at a predetermined angle to one another, the angular position of the two cutting heads not being changeable, so that with this cutting tool 100 'V-cuts in the one to be cut Material are executable, each V-cut always has the same shape, z. B. as shown in FIGS. 9 and 10. However, the two cutting heads 10, 10 'can also be designed to be mutually changeable in their angular position α according to FIG. 8. For this purpose, the two cutting heads 10, 10 'are connected to one another, for example in their lower region, via a swivel joint 80. In the upper area, both cutting heads 10, 10 'can also be connected to one another in such a way that the spacing of the cutting heads 10, 10' can be changed in their upper areas, for example by means of an adjusting screw. With this embodiment it is possible to produce V-cuts 150, 150 'with a different profile, as shown in FIG 9 and 10 are shown. The V-cut 150 in the material 70 according to FIG. 9 has a small angular position α 'of the side walls delimiting the V-cut, whereas according to FIG. 10 the V-cut 150' has a larger opening width, ie the angular position α2 of the two V-section 150 'delimiting side walls is chosen larger in this embodiment. Due to the angular adjustability of the two cutting heads 100, 100 'z. B. V-cuts 150 "as shown in Fig. 11 are obtained, in which a side wall of the V-cut 150" has a vertical position. It is also possible for the individual side walls 150a of the V-cut 150 'to have different angular positions with respect to its longitudinal axis L3, so that V-profiles 150a, 150'a, 150 "a of the most varied shapes are obtained.

The cutting tool 100 for materials, in particular for PU elastomers, PVC, TPO or TPE, can be controlled by hand or is program-controlled and comprises a cutting head 10 with a drive 20, a blade holder 30 and a cutting knife 35 which are arranged interchangeably in the blade holder 30 (Figs. 12, 13, 14, 15, 18 and 19). '

The cutting tool has a supply line 50 for a release agent 60 arranged on the cutting head 10 or in the cutting head, to which a fluorescent substance 60A or a metallic substance 60B can also be added if a quality control of the cut in the material is to be carried out. The supply line 50 is connected at one end at 50a to metering system 70, which is preferably designed as a micro-metering system. The release agent is fed to the cutting knife 35 in metered form via this metering system. The cutting knife facing end 50b of the feed line opens into the area of the cutting knife 35. Due to the vertical extension X of the outlet opening, it is possible to wet both the base of the cut and the side walls of the cut with the materials described above. Zen. The feed line for the separating agent 60 can also be passed through the cutting head; it is also possible to use an external feed line, e.g. B. in the form of a tubular feed, the release agent to the cutting knife 35.

The feed line 50 for the separating means 60 is designed as a capillary tube 51 which opens into the blade holder 30 and merges into a bore 55 which is formed in the blade holder 30 and in the cutting knife 35. The outlet opening 56 of the bore 55 lies in the cutting and separating region of the cutting knife 35. As shown in FIGS. 16 and 17, the outlet opening 56 of the bore 55 in the cutting knife 35 lies in a rounded recess 41 in the corner region 42 of the cutting knife 35, so that a direct supply of the release agent to the interface is guaranteed.

The release agent 60 used is designed in such a way that it prevents the cut from automatically re-gluing in the cutting material.

According to a further embodiment, the separating agent 60 has added inorganic or organic fluorescent substances in liquid or solid form. As inorganic substances, for example, fluorspar, some uranium compounds and the salts of rare earth metals, e.g. B. erbium, didym, lanthanum, can be used. Benzene derivatives, for example, can be used as organic fluorescent substances. Fluorochromes, fluogens, phosphors and optical brighteners can also be used as fluorescent dyes.

FIGS. 29 and 30 each show a cut (fillet weld) 80 made in material 70 with a wall thickness B, B ', the walls and bottom of which are wetted with the separating agent 60, which contains the fluorescent substance 60A and / or the metallic substance 60B is set. The residual wall thickness A, Ä of the material wall 70a is then measured, that after the attachment of the cut remains when cutting. The representation of the schematically shown cuts in FIGS. 29 and 30 corresponds to the opened cut directly after passing through the cutting tool. Due to the elasticity of the material, the cut then resumes the usual cut shape, which would in fact entail the risk of re-welding, which is effectively prevented by the use of the release agent.

The drive device 20 for the cutting knife 35 is designed in accordance with the drive device of the cutting tool shown in FIG. 1 described above and shown in FIG. 1 and comprises a drive motor 21, a blade holder 30 and a cutting knife 35 which is arranged interchangeably in the blade holder 30 ( 18 to 23). In the cutting tool 100 shown in FIGS. 18 to 23, the cutting tool has at least one cutting head 10, and, as FIGS. 24 and 25 show, the cutting tool 100, 100 'can also have two cutting heads 10, 10'.

The lifting movement or the back and forth movement for making the cut in the material 70 for the cutting knife 35 takes place by means of a driven cam disk 25. The drive device 20 for the blade holder 30 with the cutting knife 35 comprises a drive motor 21 with a axis L running in the cutting head longitudinal axis Drive shaft 22. The cam disk 25 is operatively connected to the drive shaft 22 of the drive motor 21. By means of the drive motor 21, the cam disk 25 is driven around the longitudinal axis L2 of the drive shaft via the drive shaft 22 (FIG. 19). The cam disk 25 is thus perpendicular to the drive shaft 22 of the drive motor 21 and assumes a horizontal position in the cutting head when the cutting head 10 assumes a vertical operating position. On the side 25a facing away from the drive motor 21, control surfaces 40, 41 are formed in different planes, with the surface shown in FIG. In the exemplary embodiment shown, two control surfaces 40, 41 in the form of depressions 40a and elevations 41a are provided, these depressions 40a and the elevations 41a having different heights from one another. These depressions 40a and elevations 41a merge into one another via guide surfaces, so that a uniform lifting movement for the cutting knife 35 is ensured. The arrangement of the cam disk 25 in the cutting head 10 is such that the cam disk can be effortlessly exchanged for cam disks with differently designed control surfaces. To support the revolving movement of the cam disk 25, it is mounted in a corresponding manner and connected by means of a coupling piece 28 to the free end of the drive shaft 22 of the drive motor 21.

The cam disk 25 is in operative connection with its control surfaces 40, 41 via a roller 26 with a lifting rod or push rod 45 which carries the blade holder 30 with the cutting knife 35 at its free end 45a. The lifting rod or push rod 45 is pressed by means of a spring 27 against the roller 26 and thus against the control surfaces 40, 41 of the cam disk 25, so that the lifting movement of the cutting blade 35 is carried out via the control surfaces 40, 41 of the cam disk 25. The number of hills of the lifting rod or push rod 45 can be changed by changing the speed of the drive motor 21.

24 shows a cutting tool 100, 100 ', which has two cutting heads 10, 10', both cutting heads being of the same design and of the cutting head 10, as described above. The two cutting heads 10, 10 'are arranged in an angular position to produce V-cuts 150, 150' in the material 70 to be cut, so that the two cutting heads 10, 10 'are at an angle to one another with their longitudinal axes L, L1 , In the embodiment according to FIG. 13, the two cutting heads 10, 10 'of the cutting tool are arranged at a predetermined angle to one another, the The angular position of the two cutting heads cannot be changed, so that V-cuts can be made in the material to be cut with this cutting tool, each V-cut always having the same shape. However, the two cutting heads 10, 10 'can also be designed to be mutually changeable in their angular position α according to FIG. 25. For this purpose, the two cutting heads 10, 10 'are connected to one another, for example in their lower region, via a swivel joint 80. In the upper area, both cutting heads 10, 10 'can also be connected to one another in such a way that the spacing of the cutting heads 10, 10' can be changed in their upper areas, for example by means of an adjusting screw. With this embodiment it is possible to produce V-cuts 150, 150 'with a different profile, as shown in FIGS. 26 and 27. The V-cut 150 in the material 70 according to FIG. 26 has a small angular position α 'of the side walls delimiting the V-cut, whereas according to FIG. 27 the V-cut 150' has a larger opening width, ie the angular position α2 of the two V-section 150 'delimiting side walls is chosen larger in this embodiment. Due to the angular adjustability of the two cutting heads 100, 100 ', z. B. V-cuts 150 "as shown in Fig. 28 can be obtained, in which a side wall of the V-cut 150" has a vertical position. It is also possible for the individual side walls 150a of the V-cut 150 'to have different angular positions with respect to its longitudinal axis L3, so that V-profiles 150a, 150'a, 150 "a of the most varied shapes are obtained.

A cutting tool with a release agent feed is used for all materials to be cut, in which the edges of the cut can stick after the cut has been made.

Furthermore, any known cutting tool can be equipped with a cutting knife with the release agent feed, regardless of whether it is a hand-drawn cutting knife of a small, handy cutting tool. Even the smallest handheld devices can be provided with a storage container which holds the separating means.

Claims

Patent claims

1. Cutting tool for materials, in particular made of PU elastomers, which is controllable by hand or program-controlled, comprising a cutting head (10) with a blade holder (30) and a cutting knife (35) which is driven in a fixed manner or via a drive (20) characterized in that the cutting tool (100; 100 '); having at least one cutting ^• Kopf (10 10'), wherein the drive device (20) in a known manner a drive motor (21) for the in cutting head longitudinal axis (L) includes reciprocating blade holder (30) with the cutting knife (35), or from

- A drive motor (21) with a drive shaft (22) running in the longitudinal axis of the cutting head (L),

- A cam disc (25), which is operatively connected to the drive shaft (22) of the drive motor (21) and is driven around the longitudinal axis (L2) of the drive shaft, with control surfaces (25a) on the side facing away from the drive motor (21) and lying in different planes 40, 41),

- one with one of the control surfaces (40, 41) of the cam disc (25) in operative connection with the roller (26),

- By means of a spring (27) acted upon the lifting rod or push rod (45), which is in operative connection via a coupling piece (46) with the roller (26) and the cam disc (25) and which has the blade holder at its free end (45a) (30) for the cutting knife (35),

there is, the lifting movement of the cutting knife is achieved by means of the cam disc (25).

2. Cutting tool for materials, in particular made of PU elastomers, which can be controlled by hand or program-controlled, comprising a cutting head (10) with a blade holder (30) and a cutting knife (35) which is driven in a fixed manner or via a drive (20) , characterized in that the cutting tool (100; 100 ') has at least one cutting head (10, 10') and that the cut (80) produced in the material during the cutting process by the cutting knife (35) or with the cutting knife is a gluing of the edges of the cut after the cut has been made to prevent the release agent (60) and is introduced into the cut.

3. Cutting tool for materials, in particular made of PU elastomers, which can be controlled by hand or program-controlled, comprising a cutting head (10) with a blade holder (30) and a cutting knife (35) which is driven in a fixed manner or via a drive (20) , characterized in that the cutting tool (100; 100 ') has at least one cutting head (10, 10') and that in the cut (80) produced in the material during the cutting process by the cutting knife (35) or the cutting knife for quality control an inorganic or organic fluorescent substance (60A) is introduced.

4. Cutting tool for materials, in particular made of PU elastomers, which can be controlled by hand or program-controlled, comprising a cutting head (10) with a blade holder (30) and a cutting knife (35) which is driven in a fixed manner or via a drive (20) . characterized in that a metal material (60B) is introduced into the cut (80) produced in the material during the cutting process by the cutting knife (35) or with the cutting knife for quality control.

5. Cutting tool for materials, in particular of PU elastomers, which can be controlled by hand or program-controlled, comprising a cutting head (10) with a blade holder (30) and a cutting knife (35) which is driven in a fixed manner or via a drive (20) , characterized in that the cutting tool (100; 100 ') has at least one cutting head (10; 10'), the drive device (20) in a manner known per se to drive a drive motor (21) in the longitudinal axis (L) of the cutting head Movable blade holder (30) with the cutting knife (35), or from

- By means of a spring (27) acted upon the lifting rod or push rod (45), which is in operative connection via a coupling piece (46) with the roller (26) and the cam disc (25) and which has the blade holder at its free end (45a) (30) for the cutting knife (35), and that the cut (80) produced in the material is fed during the cutting process by the cutting knife (35) to prevent the edges of the cut from sticking together after the cut has been made, and is introduced into the cut.

6. Cutting tool according to one of claims 1 to 5, characterized in that by means of the spring (27) the lifting rod or push rod (45) on the control surfaces (40, 41) of the cam disc (25) is brought to a stop.

7. Cutting tool according to one of claims 1 to 6, characterized in that the cam disc (25) has two control surfaces (40, 41) with different heights of the depressions (40a) and elevations (41 a).

8. Cutting tool according to one of claims 1 to 7, ^• characterized in that the number of hills of the lifting rod or push rod (45) can be changed by changing the speed of the drive motor (21).

9. Cutting tool according to one of claims 1 to 8, characterized in that the cam disk (25) in the cutting head (10) against cam disks with differently designed control surfaces (40, 41) and with differently designed depressions (40a) and elevations (41a ) is interchangeable.

10. Cutting tool according to one of claims 1 to 9, characterized in that for producing V-cuts (50, 50 ') in the ^' material (70) to be cut, the cutting tool has two cutting heads (10, 10 ') with the features of the claims 1 to 6, the two cutting heads (10, 10 ') being at an angle to one another, so that the two cutting heads (10, 10') are at an angle to one another with their longitudinal axes (L, L1).

11. Cutting tool according to claim 10, characterized in that the two cutting heads (10, 10 ') are fixed to each other in a predetermined angular position and their angular positions cannot be changed.

12. Cutting tool according to claim 10, characterized in that the two cutting heads (10, 10 ') of the cutting tool (100') in their angular positions to form V-cuts (50, 50 ', 50 ") in the material to be cut ( 70) with different V-profiles (50a, 50'a, 50 "a) are designed to be changeable.

13. Cutting tool according to one of claims 2 to 12, characterized in that a cutting agent (160) is introduced into the cut (180) produced in the material via the cutting head (10).

14. Cutting tool according to one of claims 2 to 13, characterized in

- That a cutting agent (60) and a fluorescent substance (60A) and / or a metallic substance (60B) is introduced into the cut (80) produced in the material via the cutting head (10).

15. Cutting tool according to one of claims 2 to 14, characterized in that a fluorescent substance (60A) and / or a metallic substance (60B) is added to the separating means (60).

16. Cutting tool according to one of claims 2 to 15, characterized in that the cutting tool (100) on the cutting head (10) or in the cutting head (10) arranged supply line (50) for a release agent (60) and / or a fluorescent Has fabric (60A) and / or a metallic fabric (60B) which is connected at one end (50a) to a preferably microdosing system (70) and whose other end (50b) opens into the area of the cutting knives (35).

17. Cutting tool according to one of claims 2 to 16, characterized in that the feed line (50) for the separating means (60) is designed as a capillary tube (51) which opens into the blade holder (30) and merges into a bore (55) which is formed in the blade holder (30) and in the cutting knife (35) and the outlet opening (56) of which lies in the cutting and separating region of the cutting knife (35).

18. Cutting tool according to one of claims 2 to 17, characterized in that the outlet opening (56) of the bore (55) in the cutting knife (35) into a rounded recess (41) in one of the corner regions (42) of the cutting knife (35) lies.

19. Cutting tool according to one of claims 2 to 18, characterized in that the separating means (60) is designed such that it prevents the cut from automatically re-gluing in the cutting material.

20. Cutting tool according to one of claims 2 to 19, ^■ characterized in that the release agent (60) consists of a dispersion of waxes or oils and silicones in a solvent mixture.

21. Cutting tool according to one of claims 2 to 20, characterized in that the release agent (60) inorganic or organic fluorescent substances are added in liquid or solid form.

22. Cutting tool according to one of claims 2 to 20, characterized in that the release agent (60) as a metallic substance (60B) is a substance with metallic properties, for. B. metal powder is added, which differs significantly in the case of ultrasound or other measurement methods from the behavior of the plastic.

23. A method for producing a cut in a material, in particular of PU elastomers, using a cutting tool (100) with at least one cutting head (10) with a blade holder (30) and a cutting knife (35), which is driven by a drive device (20 ) is set in a pulsating cutting movement or is arranged in a fixed manner in the cutting tool and is set by hand or by means of a robot-controlled device into a pulling feed movement generating the cut or with a cutting measurement water is set in a pulsating cutting movement, the cut (80) produced in the material during the cutting process by the cutting knife (35) preventing the edges of the cut from sticking together during the cutting process and / or for quality control an inorganic or organic one fluorescent substance (60A) or a metallic substance (60B) is supplied.