CN107816628B

CN107816628B - Casting, assembly comprising a casting, casting mould and casting method

Info

Publication number: CN107816628B
Application number: CN201710771676.4A
Authority: CN
Inventors: R·W·延奇
Original assignee: Preh Car Connect GmbH
Current assignee: Preh Car Connect GmbH
Priority date: 2016-09-12
Filing date: 2017-08-31
Publication date: 2020-09-25
Anticipated expiration: 2037-08-31
Also published as: DE102016011060A1; CN107816628A

Abstract

The invention relates to a casting (100, 300) comprising: an end face (101, 301) arranged on the casting (100, 300) towards the front; a side surface (102, 302) extending rearward from the end surface (101, 301); and a fastening recess (103, 303) which extends from the end face (101, 301) to the rear parallel to a main ejection axis (104, 304) of the casting (100, 300), wherein the fastening recess (103, 303) is open toward the side face (102, 302) or is closable in such a way that it can be shut off by means of a partition (305) toward the side face (102, 302), so that a fastening element can be introduced into the fastening recess (103, 303) from the side face (102, 302).

Description

Casting, assembly comprising a casting, casting mould and casting method

Technical Field

The invention relates to a casting, to an assembly comprising a casting, to a casting mould and to a casting method for producing a casting.

Background

In the automotive sector and in other industrial sectors, castings made of metal, light metal, metal alloys or of plastic are often used. To produce such a cast part, a material in the melt state, for example a hot metal alloy, is pressed or injected under high pressure into the cavity of a casting mold. The material in the mold is then cooled and solidified into the desired shape.

A typical casting mould in the field of metal injection moulding has two mould sides, a nozzle side and an ejection side, the inner contours of which together form a hollow, i.e. the cavity of the casting mould. The mold cavity defines the outer shape of the casting to be produced. For the injection molding operation, the two mold sides of the mold are brought together and mechanically sealed or locked. The molten metal is then stamped or injected under pressure on the nozzle side. Once the metal has hardened, the mould is opened and the casting is taken out of the mould, in other words demolded. For this purpose, the ejection side is usually constructed to be movable, so that it can be moved away from the nozzle side. The ejection side is furthermore usually provided with mechanical, hydraulic, pneumatic or electromechanical ejector pins or rams or the like, which press the finished cast part out of the mold. The axis along which the nozzle side and the ejection side of the mold are relatively movable during sealing and demolding is called the "main demolding axis". The direction in which the ejection side of the main demolding shaft is moved away from the nozzle side at the time of demolding is referred to as "main demolding direction".

Since the mould is sealed and opened along the main stripping axis, special precautions have to be taken with respect to: a freely projecting form (also referred to as a "male undercut") or a recess or depression (also referred to as a "female undercut") is formed on or in the casting in a different orientation to the main axis of the die, for example transversely or obliquely thereto. In addition, such a recess can also be used for introducing a fixing element into the casting transversely to the main axis of the die for fixing the fixing element on the casting, so that the recess is referred to as a "fixing recess". Because such fixing recesses are generally not demoldable along the main demolding axis, they constitute a particular challenge in the laying and production of castings. In order to realize the fixing recess, auxiliary means must be provided on the casting mold. A core, for example a pin-like guide rod, can then be placed on the casting mould transversely to the main stripping axis, which guide rod is inserted into the mould cavity after or during the closing process and removed again before the casting is stripped. In general, different movable auxiliary devices can be used, for example sliders, core rods or die inserts, into which a partial region or a multi-part region of the shape contour of the fixing recess is machined. Such an auxiliary device is removed from the casting in the other demolding direction when or after the casting mold is opened, so that the fixing recess is left empty before the casting is ejected from the casting mold.

In order to withstand the large injection pressures and large temperature differences during the production of the cast parts, for example above 200 tons, a slide block, for example, is designed to be very robust, which places higher demands on installation space and material and thus leads to increased production costs. Furthermore, the above-mentioned auxiliary devices are also quite susceptible to failure due to the high loads to which they are subjected.

Disclosure of Invention

The object of the invention is therefore to provide a simple solution for the construction of a casting with a fixing recess into which a fixing element is to be introduced transversely to the main demolding axis of the casting.

This object is achieved by a casting according to the invention. The casting has an end face disposed on the casting toward the front face. Further, the casting has side surfaces extending rearwardly from the end surfaces. In addition, the casting has a securing notch extending rearwardly from the end face parallel to a primary parting axis of the casting. The fastening recess is open toward the side or can be closed off toward the side by means of a partition, so that the fastening element can be introduced into the fastening recess from the side.

Furthermore, the above object is achieved by a combination. The assembly comprises a casting according to the invention and a structural element which is fixed to the casting by means of a fixing element introduced into a fixing recess of the casting.

The object is also achieved by a casting mould for producing a casting according to the invention. The casting mold has a core with a fixed recess for molding the casting. The core projects from a nozzle side of the casting mold or from an ejection side of the casting mold parallel to a main demolding axis of the casting into a mold cavity of the casting mold arranged between the nozzle side and the ejection side.

Furthermore, the above object is achieved by a method for producing a casting according to the invention using a casting mould according to the invention.

The invention is based on the idea of introducing a special geometry into the casting parallel to the main axis of stripping of the casting, wherein the geometry serves as a fastening path for a fastening element to be introduced into the casting transversely to the main axis of stripping of the casting. This has the advantage that: for the manufacture of the structure, no additional demolding direction and any resulting auxiliary means, like for example side slides, are required. Instead, only a core is provided on the nozzle side of the casting mold and/or on the ejection side of the casting mold, which core projects from the nozzle side and/or the ejection side into the mold cavity of the casting mold in such a way that a fixing recess is formed in the casting, which fixing recess extends parallel to the main demolding axis from the end face of the casting into the casting and opens toward the side face of the casting. By means of a suitable shaping of the fastening recess, a fastening element, for example a screw, a rivet, a fastening pin, a clip, a latching hook, a snap-in hook, a spring or the like, can be fastened to the casting transversely to the main axis of release, by the fastening element being introduced into the fastening recess from the side of the casting. Since the fixing recesses run parallel to the main ejection axis of the casting, the space required for the core can be kept to a minimum, in particular in comparison with slides which can slide transversely to the main ejection axis. Furthermore, the core can also be used as an ejection mechanism, for example in mechanical, pneumatic, hydraulic and/or electromechanical designs. The invention thus makes it possible in a very simple manner to produce fixing recesses for fixing elements which are introduced transversely to the main stripping axis. The casting mould used for this purpose can be designed much more simply and cost-effectively than conventional casting moulds. A highly invested slider solution is avoided, so that the failure rate can be reduced and the process stability can be improved in the first place. Furthermore, the fixing recesses can be formed as early as during the actual shaping of the cast part, without any difficulty and then subsequently being machined in by means of milling or the like. Thus, the cost of manufacturing the casting is also reduced.

In an alternative embodiment of the invention, it is provided that the fastening recess is closed toward the side by means of a partition. The separating wall can, for example, be designed so thin that it is penetrated by the corresponding fastening element when the fastening element is installed. The fixing recess is therefore initially closed relative to the side and is only opened when the fixing element is inserted. The different thicknesses or strengths of the partitions can be very advantageous depending on the geometry and material of the casting, respectively. The strength of the baffle may be proportional to the size of the casting, for example.

In one embodiment of the invention, the fixing recess has a fixing shape in order to stabilize the fixing element. The fixing recess is thus geometrically designed so as to facilitate the fixing of the fixing element according to requirements and application, respectively. For example, separable or inseparable connection techniques may be employed without loss. A force-fitting and/or form-fitting connection between the casting and the fastening element can also be achieved. The expert can, on his own, open up a multiplicity of possible configurations of the fixing recesses and of the fixing shapes, which are advantageous in the case of various applications, on the basis of the above-described concept and his knowledge of the underlying connecting technique. If necessary, it may be desirable, for example, for the connection closure to be able to be established as easily as possible. In particular, the geometry of the fastening element can be designed such that the pressing-in or introduction of the fastening element into the fastening recess is very easy for the installer, i.e. can be done without great effort. For this purpose, a snap connection or a screw connection is suitable, for example. In another application, a robust connection with greater braking force may be more appropriate.

In one embodiment of the invention, the fixing recess of the casting has a fixing shape corresponding to the fixing element in order to stabilize the fixing element. The fixing shape can, for example, be designed to be complementary to the shape of the fixing element. For example, the fixing recess and the fixing element can form a snap-in connection or a snap-in connection, for which purpose the fixing element can be easily inserted into the fixing recess during installation. For this purpose, the fixing element can be designed to be elastic and/or elastically deformable. For example, the fixing element can be designed as a positioning insert, a positioning hook, a snap insert, a snap hook, a snap ball or the like, and the fixing recess can be designed as a support which is complementary in shape and is stationary. The fixing element is deformed for a short time when inserted into the fixing recess and then springs back, so that the fixing recess and the fixing element engage into one another in a form-fitting manner. Of course, it can also be provided that the fastening element is permanently deformed.

The fixing element may have a screw, a rivet, a fixing pin, a clip, a positioning hook, a snap hook, a spring, or the like. In a particular embodiment, the fixing element can be designed as a blind rivet or the like. The skilled person will immediately deduce, based on the inventive concept, that only exemplary designs may be illustrated here, as alternative known joining techniques may be used as well. The fastening element can be designed, for example, as a screw. Furthermore, the fastening element can be designed as a tensioning element or as a clamping element. Furthermore, different connection techniques may be combined with each other.

The fixed shape of the casting may have a trough-type shape, a tooth-like shape, a rectangular shape, a wave-like shape, or the like. The diameter of the fixing recess or of the fixing shape can be optimized here according to the shape of each fixing element. The fixing element can be designed, for example, as a spiral. In this case, the fixing shape may have a groove shape or be generally designed as a screw guide groove or a spiral structure. Like the internal thread, this groove-like shape can be adapted to the screw diameter of the fastening element. In addition, the fixed shape may be designed with a profile similar to the internal thread. In a further embodiment, the fixing shape can be designed as a tooth shape and the fixing element can have teeth shaped complementary thereto, so that a toothing is formed when the fixing element enters the fixing recess.

In one embodiment of the invention, the fixing recess narrows from the side into the casting. The fixing element can be designed as a screw or have a screw. The fixing shape can in this case have a trough-like shape, which can optionally be narrowed towards the inside of the casting. The expert immediately understands that he can predetermine a feasible screwing-in position and the necessary screwing-in resistance or the necessary screwing-in torque by designing the fixing shape.

In one embodiment of the invention, the separator has a strength of about 2mm, 0.2mm to 2mm, or less than 0.2 mm. The different strength or thickness of the separator can be very advantageous depending on the material and the application, respectively. The partition can be designed to be so thin that it can easily be penetrated manually by pressing in bolts or screwing in screws, for example.

In one embodiment of the invention, the fixing notch extends from the side surface approximately perpendicularly to the main ejection axis into the casting.

In one embodiment of the invention, the cast part is made of metal, light metal, a combination of metal materials, a metal alloy or plastic. The casting has, for example, aluminum or an aluminum alloy, or consists essentially of such a material.

In one embodiment of the invention, an assembly according to the invention has a circuit board through which the fastening element is guided.

The above-described embodiments, designs and extensions of the present invention can be combined with each other at will as far as they have significance. Other possible embodiments, designs, extensions and implementations of the invention also include combinations of features of the invention not explicitly mentioned, which were previously or later described. In particular, the individual aspects can also be added as modifications or supplements to each basic form of the invention by the expert.

Drawings

The invention is further elucidated below by means of embodiments illustrated in the schematic drawings. Wherein:

FIG. 1 is a perspective view of a casting from an oblique direction to a front in accordance with an embodiment of the present invention;

FIG. 2a is a front view of an assembly having the casting of FIG. 1, according to one embodiment of the present invention;

FIG. 2b is a side perspective view of the assembly of FIG. 2 a; and

FIG. 3 is a perspective view of a casting from an oblique direction to the front according to another embodiment of the present invention.

The foregoing drawings have deepened understanding of embodiments of the present invention. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles and concepts of the invention. In the drawings, the same elements, features and components are denoted by the same reference numerals, unless otherwise specified.

Detailed Description

FIG. 1 shows a perspective view of a casting 100 according to an embodiment of the invention. FIG. 2a additionally shows a front view of an assembly 200 including the casting 100 of FIG. 1, according to an embodiment of the invention. Fig. 2b shows a side perspective view of the assembly 200 of fig. 2 a.

The casting 100 constitutes one embodiment of the present invention. Moreover, the assembly 200 including the casting 100 is shown for exemplary purposes only to clarify the underlying principles of the invention. Such castings and assemblies may be used in different applications and may provide different geometric designs. Such a casting may for example be installed in a vehicle, for example: automobiles with or without internal combustion engines, such as passenger cars, load-carrying vehicles; a motorcycle; a bicycle; rail vehicles, such as locomotives; marine vehicles, such as ships; and aerospace vehicles such as airplanes, helicopters, or the like. Such a casting may be used in particular in electronic devices, for example in radio broadcast receiving devices or radio navigation devices of vehicles. The use of such a casting or such a combination is not limited to the transport sector. The castings are more useful for single piece production, large and small volume production, and large scale production of all types of components in the machine manufacturing and precision engineering fields. Other fields of application include, for example, the building industry, power station technology, etc.

The casting 100 shown in fig. 1 has an end face 101, which is oriented perpendicular to a main ejection axis 104 of the casting 100. That is, the direction of the plane normal of the end face 101 is parallel to the main ejection axis 104. Thus, the end face 101 may be considered the front face of the casting 100. Furthermore, the casting 100 has a side face 102 which is oriented parallel to the main stripping axis 104 and extends from the end face 101 to the rear. In the embodiment of the casting 100 shown, the side surface 102 forms part of the outer surface of a cylinder, a covering surface of which forms the end surface 101. Said cylinder is located on a likewise cylindrical base which has fixing arms 107 of identical configuration on two opposite sides. The fixing arms 107 each have a plurality of fixing bores 108 which extend parallel to the main stripping axis 104.

Furthermore, the cast part 100 has a fastening recess 103 which extends from the end face 101 parallel to the main ejection axis 104 or rearward along the main ejection axis 104 into the cast part 100, i.e. into the interior of the cylinder delimited by the end face 101 and the side face 102. The fixing recess 103 opens towards the side 102 for lateral support of the fixing element 201 (see fig. 2a and 2b in detail). That is, the fixing recess 103 penetrates the outer surface of the cylinder defined by the end surface 101 and the side surface 102. The fastening recess 103 is in particular designed such that the fastening element 201 can be introduced into the fastening recess 103 from the end face 102. Conversely, the fixing bore 108 of the fixing arm 107 extends parallel to the main stripping axis 104 and can therefore be used for fixing the casting 100 to another component.

The fixing recess 103 has a fixing shape 106 for stabilizing the fixing element 201. In fig. 1 to 2b, the fixing shapes 106 are each designed as a groove-shaped shape. Each slot of the slot-like shape is oriented parallel to the primary demolding axis 104. The groove-type shape can be used, for example, for securing screws or bolts, which are introduced into the fixing recesses 103 from the side 102 of the casting 100. Wherein the groove of the fixing shape 106 can be connected to the external thread of the screw in a form-fitting manner.

An assembly 200 with such a fixation is shown in fig. 2a and 2 b. The structural element 202 is fixed to the casting 100 in fig. 1 by means of fixing elements 201 designed as screws. For this purpose, the fastening element 201 has been introduced into the fastening recess 103 of the casting 100 by means of a bore hole in the component 202. The structural element 202 is designed as an exemplary circuit board 203.

The fixing recesses 103 of the casting 100 accordingly have a fixing shape 106 corresponding to the fixing element 201 in order to stabilize the fixing element 201. On the one hand, the fastening shape 106 is designed as already described above as a groove-like or wave-like shape, wherein each groove-like or wave-like shape forms a positive-locking connection with the thread of the fastening element 201, which is designed as a screw. On the other hand, the fixing recess 103 narrows from the side 102 into the casting 100 (see for example fig. 1 in more detail). The fixing shape 106 of the fixing recess 103 accordingly has a V-shaped basic form, i.e. the fixing recess 103 becomes thinner towards the interior of the casting 100. By means of a specific geometry of the fastening recesses 103, it is possible to specify which type of fastening element can be fastened to the casting 100 using the fastening recesses 103, and how the forces and moments necessary for this purpose can be measured. In this way, a specific predefined braking force can be achieved at a specific installation location.

As already mentioned above, the casting 100 or the assembly 200 is to be understood as purely exemplary. The fixing shape can then be designed not only as a groove-shaped shape, but also as a tooth-shaped shape, a rectangular shape, a wave-shaped shape or the like, respectively, according to the application and the need. In principle, all the shapes of the outer surface that are customary for the expert and that are suitable for joining the component to the casting can be taken into consideration. The fastening element can likewise have, instead of a screw, a rivet, a fastening pin, a clip, a latching hook, a snap-in hook, a spring or the like. The fastening element can be designed, for example, as a screw, a tensioning element, a clamping element, a latching hook or a snap-in hook. In addition, different connecting techniques and appearance shapes can advantageously be combined with one another. It will be clear to the expert, based on the inventive concept and his own knowledge of the connecting technique, that there are a number of possible configurations of the fixing recesses and the fixing shapes, each being advantageous for a certain application. Depending on the requirements, it may be desirable, for example, for the connection closure to be easily established and easily separated. Alternatively, a secure connection with greater braking force may be desired, which is difficult to separate. The

castings

100, 300 may be of metal, light metal, a combination of metallic materials, a metal alloy, or plastic. The casting 100 may be made of a material selected from the group consisting of metallic materials, combinations of metallic materials, and metal alloys, among others. Alternatively, the casting 100 may be made of a plastic. The casting 100 is made of, for example, aluminum or an aluminum alloy. Alternatively, the casting 100 is made of a thermoplastic, a thermoset, an elastomer, or a combination thereof. In principle, all materials and material combinations suitable for the casting method for producing such a casting are specified as the casting 100 in the concept according to the invention. In the case of plastic, the casting 100 can be produced, for example, by means of thermoplastic injection molding, thermoset injection molding or elastomer injection molding. Conversely, in the case of material combinations composed of different plastics, multicomponent injection molding methods can be used. It is likewise possible to use the internal pressure injection molding method, in which castings with cavities for different purposes are produced. In the case of metallic materials, different methods for making the casting 100 may be advantageous, such as metal injection molding, metal powder injection molding, die casting, and the like.

In one embodiment of the present invention, a casting method for producing the casting is provided. The casting mould used for this purpose may have two mould halves, namely a nozzle side and an ejection side, the inner contours of which together define a mould cavity of the casting mould, which has the shape of the casting 100. Furthermore, the casting mold may have a core for molding the fixing recess 103. The core projects from the nozzle side or the ejection side parallel to the main ejection axis 104 of the casting 100 into the mold cavity of the mold arranged between the nozzle side and the ejection side in such a way that the fastening recess 103 is formed in the casting 100. The fixing recesses 103 extend from the end face 101 parallel to the main ejection axis 104 towards the rear into the casting 100. Furthermore, the fastening recess 103 opens toward the side face 102 in such a way that the fastening element 201 can be introduced into the fastening recess 103 from the end face 102. For injection, the nozzle side and the ejection side of the mold are brought together and sealed. Next, a mold material, such as molten metal, is injected under conditions of applied temperature and pressure. Once the metal cools and hardens, the mold is opened and the finished casting 100 is demolded therefrom. Due to the specific geometry of the fixing recess 103, it can be configured with a core oriented parallel to the main demolding axis 104. The use of auxiliary devices, such as lateral slides or the like, normally used for constituting fixed positions transverse to the main demoulding axis, can be avoided. The core used can preferably even be designed as an ejection mechanism, for example as a mechanical, hydraulic, pneumatic, electromechanical ejector pin or ejector pin. The casting mould can therefore be considerably simpler and more cost-effective than conventional solutions. In addition, the failure rate and process stability can be significantly improved, and the cost of manufacturing the casting can be reduced.

Alternatively, the fastening recesses 303 of a casting 300 according to the invention can be closed towards the side faces 302 of the casting 300 by means of partitionable partitions 305 (see fig. 3 in more detail). The construction of the casting 300 is similar to the construction of the casting 100 of FIG. 1. Thus, the casting 300 has an end face 301 with a surface normal oriented along a main axis 304 of the casting 300. Furthermore, the casting 300 has a side face 302 which is oriented parallel to the main demolding axis 304 and extends from the end face 301 to the rear.

The cylinder delimited by the side faces 302 and the end faces 301 is located on a cylindrical base having identically configured fixing arms 307 on two opposite side faces. The fixing arms 307 each have a plurality of fixing bores 308 which extend parallel to the main demolding axis 304. Furthermore, the cast part 300 has a fixing recess 303 which extends from the end face 301 parallel to the main ejection axis 304 toward the rear into the cast part 300, i.e. into the interior of the cylinder delimited by the end face 301 and the side face 302. The fastening recess 303 is intended for lateral support of the fastening element 201 and therefore has a fastening shape 306 for the purpose of securing the fastening element 201. However, unlike the fixing recesses 103 of the casting 100 of fig. 1, the fixing recesses 303 of fig. 3 are not open toward the side faces 302, but are closed by partitions 305.

The separator 305 has a strength of about 2mm, 0.2mm to 2mm, or less than 0.2mm, for example 0.1 mm. The separating wall 305 is designed, for example, so thin that it can be easily penetrated by hand with the fastening element when the fastening element is installed. Thus, the fixing recess 303 is initially closed towards the side 302 and is only open when the fixing element 201 is fixed in the fixing recess 303. The different thicknesses or strengths of the baffles 305 may be advantageous depending on the geometry and material of the casting 300, respectively. The strength of the baffle 305 may be proportional to the size of the casting 300, for example.

It is clear to the expert that he can design the fixing recess 303 in a suitable manner in order to achieve the desired braking force of the fixing element 201. Furthermore, it is considered by those skilled in the art that for smooth and easy demolding of the casting 300 from the mold, an appropriate draft or draft of the wall surface of the casting 300 may be very advantageous. Such a draft angle is defined as a slight draft to facilitate the stripping of the casting from the mold. The draft angle serves, for example, to keep the friction occurring during demolding very low and thus to prevent damage to the cast part 300. A surface extending exactly parallel to the main demolding axis 304 may constitute an obstacle in demolding. Conversely, depending on the material and the application, a slope or angle up to a higher degree with respect to the main release axis may be very advantageous. For example, the fixing recesses 303 may taper slightly towards the interior of the casting 300 towards the rear. In addition, the practitioner can also determine the fixing position by the exact course of the release slope. For example, one fixing element can be designed as a screw. In this case, the inclined inner wall of the fixing recess 303 defines a suitable screwing position for a given screw diameter.

Claims

1. A casting (100, 300) comprising:

-an end face (101, 301) arranged on the casting (100, 300) towards the front;

-a side surface (102, 302) extending from the end surface (101, 301) towards the rear; and

-a fixing recess (103, 303) extending from said end face (101, 301) towards the rear parallel to a main axis of stripping (104, 304) of said casting (100, 300);

-wherein the fixing recess (103, 303) is open towards the side face (102, 302) or is closed in such a way that it can be shut off by means of a partition (305) towards the side face (102, 302), so that a fixing element (201) can be introduced into the fixing recess (103, 303) from the side face (102, 302).

2. The casting (100, 300) according to claim 1, wherein the fixing recesses (103, 303) have a fixing shape (106, 306) corresponding to the fixing element (201) for stabilizing the fixing element (201).

3. The casting (100, 300) of claim 2, wherein the fixed shape (106, 306) has a trough-type shape, a tooth-like shape, a rectangular shape, or a wave-like shape.

4. The casting (100, 300) according to any of the preceding claims, wherein the fixing notches (103, 303) narrow from the side faces (102, 302) into the casting (100, 300).

5. The casting (100, 300) of claim 1, wherein the baffle (305) has a strength of 2mm, 0.2mm to 2mm, or less than 0.2 mm.

6. The casting (100, 300) of claim 1, wherein the securing notch (103, 303) extends into the casting (100, 300) from the side surface (102, 302) approximately perpendicular to the primary demolding axis (104, 304).

7. The casting (100, 300) of claim 1, wherein the casting (100, 300) is of metal or plastic.

8. An assembly (200), comprising:

-a casting (100, 300) according to any of claims 1 to 7; and

-a structural element (202) which is fixed on the casting (100, 300) with a fixing element (201) which is introduced into a fixing recess (103, 303) of the casting (100, 300).

9. Combination (200) according to claim 8, wherein the fixing element (201) has a screw, a rivet, a fixing pin, a clip, a positioning hook, a snap hook or a spring.

10. Assembly (200) according to claim 8 or 9, wherein the structural element (202) has a circuit board (203) through which the fixing element (201) is guided.

11. A casting mould for producing a casting (100, 300) according to any one of claims 1 to 7, having a core for forming a fixing recess (103, 303) of the casting (100, 300), wherein the core projects from a nozzle side or an ejection side of the casting mould parallel to the main demolding axis (104, 304) into a cavity of the casting mould arranged between the nozzle side and the ejection side.

12. A casting method in which a casting according to any one of claims 1 to 7 is produced under the condition that the casting mold according to claim 11 is used.