EP3129531B1 - All-steel card clothing for a carding machine - Google Patents
All-steel card clothing for a carding machine Download PDFInfo
- Publication number
- EP3129531B1 EP3129531B1 EP15708442.7A EP15708442A EP3129531B1 EP 3129531 B1 EP3129531 B1 EP 3129531B1 EP 15708442 A EP15708442 A EP 15708442A EP 3129531 B1 EP3129531 B1 EP 3129531B1
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- EP
- European Patent Office
- Prior art keywords
- tooth
- bump
- length
- tooth tip
- wire
- Prior art date
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- 229910000831 Steel Inorganic materials 0.000 title claims description 18
- 239000010959 steel Substances 0.000 title claims description 18
- 238000009960 carding Methods 0.000 title claims description 3
- 239000004753 textile Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 4
- 210000000481 breast Anatomy 0.000 description 7
- 210000000038 chest Anatomy 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 241001456553 Chanodichthys dabryi Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
- D01G15/88—Card clothing; Manufacture thereof not otherwise provided for formed from metal sheets or strips
Definitions
- the present invention relates to an all-steel clothing for a card or card for the processing of textile fibers, comprising a sawtooth wire with teeth formed one behind the other in the wire running direction, the tooth contour of the teeth starting from a tooth base at least going into a tooth back, further going into a tooth tip section, going on is determined in a tooth face and again in a subsequent tooth base, and wherein the tooth tip section is formed with a tooth tip length determined in the wire running direction.
- the sawtooth wire has teeth formed one behind the other in the wire running direction, and a tooth tip section, which is referred to as the head surface, is defined with a length which corresponds to at least 15% of the length of the tooth pitch, and the tooth pitch is defined as the distance between the tooth tip and the tooth tip of two adjacent ones Teeth.
- the tooth tip of each tooth is formed by the transition from the tooth tip section into the tooth face.
- the WO 2013/072136 A1 discloses a set with a tooth back, which is formed by at least one recess in two raised sections.
- the raised sections have the same height level, so that both raised sections are always changed during regrinding.
- All-steel sets should on the one hand have a long service life, on the other hand the set should have a good alignment and cleaning of the Allow yarn-forming textile fibers.
- the area of the tooth tip section defined by the width of the teeth in the head region and the length of the tooth tip sections, should be as small as possible. If the surface is reground due to the wear of the sawtooth wire, the surface of the tooth tip section increases, as a result of which the result of carding is no longer satisfactorily possible. This is due in particular to the fact that for the structuring of the teeth, in particular also for the interaction with the textile fibers, the flank angle of the tooth back must be flatter than the chest angle of the tooth breast. If the surface of the tooth tip section is reground too often by grinding, the area increases by reducing the tooth height until the all-steel set can no longer be used.
- the object of the invention is the development of an all-steel set with a sawtooth wire
- the teeth of the sawtooth wire should have a tooth contour that allows the tooth tip sections to be ground as often as possible.
- the area of the tooth tip section should be made as small as possible, which does not increase unnecessarily even after repeated grinding.
- the breast angle of the tooth face should remain unchanged if possible even after multiple grinding.
- the invention includes the technical teaching that a tooth bump is formed on the tooth tip section, the tooth bump having a tooth bump length that is smaller than the tooth tip length.
- the object of the present invention is achieved by a tooth bump which is placed on a partial surface of the tooth tip section.
- the tooth bump can be made of the same material and in one piece with the tooth itself, for example by changing the tooth contour of the tooth in the region of the tooth tip section around the contour of the tooth bump. If the tooth bump is ground down, the tooth tip length does not change or changes only slightly, since the tooth bump does not merge into the back of the tooth. Rather, the back of the tooth bump merges into the tooth tip section.
- the particular advantage is that the all-steel set can be reground up to six times or more.
- the breast angle between the tooth face and the perpendicular to the wire running direction can have a value of 50 ° to 60 ° and preferably 55 °. This angle value does not change even after repeated regrinding of the all-steel clothing, and the all-steel clothing can be operated with an optimal chest angle even after repeated regrinding.
- the tooth bump length can be particularly advantageously 10% to 50% and preferably 15% to 25% of the tooth tip length.
- the tooth bump can be provided in the front area on the tooth tip section, so that the tooth bump is formed on the tooth tip section adjacent to the tooth face. This ensures that the tooth contour forms the tooth tip in the transition from the tooth bump to the tooth breast. If the sawtooth wire is reground, and the tooth protrusion is slightly shortened with each grinding process, the tip of the tooth moves downwards while resharpening. For example, the sawtooth wire can be re-sharpened until the tooth bump on the tooth tip section is completely ground off, and the tooth tip is removed before the end of the Use of sawtooth wire formed by a direct transition from the tooth tip section to the tooth face.
- the angle of the chest between the tooth face and the perpendicular to the direction of the wire run can retain the value of, for example, 55 ° until the end of the sawtooth wire.
- the tooth bump can be designed with a plan-shaped bump roof.
- the tooth cusp can have a cusp back formed behind the cusp roof, which as part of the tooth contour is formed approximately parallel to the section of the tooth breast located at the same height. If the contours of the cusp and the tooth face run approximately parallel to one another, the tooth bump length remains constant even after repeated regrinding, and the tooth bump length can, for example, be permanently 10% to 50% and preferably 15% to 25% of the tooth tip length. This value does not change if the tooth bump is designed accordingly and remains independent of the frequency with which the sawtooth wire was reground.
- the cusp roof can be formed parallel to the wire running direction of the sawtooth wire, the wire running direction being defined by the course of the bottom side of the sawtooth wire, which, when arranged on a drum, for example on the reel of a card, can also have a curvature, so that a corresponding tangent to the bottom side can be defined as the wire running direction.
- the chest angle can have a value of 50 ° to 60 ° and preferably of 55 °. Accordingly, the back of the hump can also have an angle that corresponds to the angle of the chest.
- the tooth bump length corresponds to approximately 15% of the length of the tooth division from tooth tip to tooth tip.
- Figure 1 shows a section of a sawtooth wire 10 of an all-steel clothing for a card or a card for the processing of textile fibers.
- the sawtooth wire 10 has a wire running direction 11, which is determined by the course of the bottom side 21 of the sawtooth wire 10.
- two teeth 12 are shown, and the teeth 12 have tooth tips 18 which point in the wire running direction 11.
- the tooth contour of the teeth 12 is determined by a plurality of sections, and the tooth contour begins with a tooth base 13 which merges into a tooth back 14, and the tooth back 14 is located on the side of the tooth 12 which opposes the wire running direction 11. Transitioning from The tooth back 14 is followed by a tooth tip section 15, which can run parallel to the wire running direction 11, or the tooth back section 15 has a slope in the direction of the tooth back 14 into a tooth face 16, the tooth face 16 pointing in the direction of the wire running direction 11 and being extended by the height of the tooth bump 17. Finally, the tooth face 16 merges again into the subsequent tooth base 13.
- Figure 2 shows a side view of the sawtooth wire 10, and the base section 22 of the sawtooth wire 10 is made wider than the width of the tooth 12, which adjoins the base section 22 on the upper side.
- the cut, indicated in Figure 1 lies between two teeth 12 and is delimited on the upper side with the tooth base 13.
- Figure 3 finally shows a detailed view of a tooth 12 of the sawtooth wire 10, and the tooth contour of the tooth 12 with the individual sections is shown in detail.
- the tooth back 14 follows, which delimits the tooth 12 against the wire running direction 11.
- the tooth back 14 merges into the tooth tip section 15, which has a length L.
- a tooth bump 17 is formed on the tooth tip section 15, and the tooth bump 17 has the tooth bump length I.
- the contour goes from the rear tooth tip section 15 into a cusp 20 and the cusp 20 goes into a cusp roof 19 19 forming the tooth tip 18 over.
- the breast angle ⁇ can be tapped between the tooth face 16 and the perpendicular to the wire running direction 11.
- the view shows approximately the size relationships of the tooth bump 17 to the tooth 12 and in particular the view shows the tooth bump length I, which is smaller than the tooth tip length L.
- the tooth bump length I can be 10% to 50% and preferably 15% to 25% of the tooth tip length L.
- the example shows that the tooth bump length I is approximately 20% of the tooth tip length L.
- the sawtooth wire 10 is regrinded, then the regrinding takes place on the bump roof 19 of the tooth bump 17.
- the sawtooth wire 10 can be resharpened several times until the tooth bump 17 on the tooth tip section 15 has disappeared, and the tooth tip section 15 extends as far as the tooth tip that has moved downward 18 into the area of the dashed line as shown in the figure.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Description
Die vorliegende Erfindung betrifft eine Ganzstahlgarnitur für eine Karde oder Krempel für die Bearbeitung von Textilfasern, aufweisend einen Sägezahndraht mit in Drahtlaufrichtung hintereinander ausgebildeten Zähnen, wobei die Zahnkontur der Zähne ausgehend von einem Zahngrund wenigstens übergehend in einen Zahnrücken, weiter übergehend in einen Zahnspitzenabschnitt, weiter übergehend in eine Zahnbrust und wieder übergehend in einen nachfolgenden Zahngrund bestimmt ist, und wobei der Zahnspitzenabschnitt mit einer in Drahtlaufrichtung bestimmten Zahnspitzenlänge ausgebildet ist.The present invention relates to an all-steel clothing for a card or card for the processing of textile fibers, comprising a sawtooth wire with teeth formed one behind the other in the wire running direction, the tooth contour of the teeth starting from a tooth base at least going into a tooth back, further going into a tooth tip section, going on is determined in a tooth face and again in a subsequent tooth base, and wherein the tooth tip section is formed with a tooth tip length determined in the wire running direction.
Aus der
Die
Ganzstahlgarnituren sollen einerseits eine hohe Standzeit aufweisen, andererseits soll die Garnitur eine gute Ausrichtung und Reinigung der die Garne bildenden Textilfasern ermöglichen. Hierzu soll die Fläche des Zahnspitzenabschnittes, definiert durch die Breite der Zähne im Kopfbereich und die Länge der Zahnspitzenabschnitte, möglichst klein ausfallen. Wird die Fläche aufgrund der Abnutzung des Sägezahndrahtes nachgeschliffen, vergrößert sich die Fläche des Zahnspitzenabschnittes, wodurch das Ergebnis des Kardierens nicht mehr zufriedenstellend möglich ist. Dies liegt insbesondere daran, dass zur Strukturierung der Zähne, insbesondere auch zur Wechselwirkung mit den Textilfasern, der Flankenwinkel des Zahnrückens flacher ausfallen muss als der Brustwinkel der Zahnbrust. Wird die Fläche des Zahnspitzenabschnittes durch ein Abschleifen zu oft nachgeschliffen, so vergrößert sich die Fläche durch eine Verkürzung der Zahnhöhe, bis die Ganzstahlgarnitur nicht mehr verwendet werden kann.All-steel sets should on the one hand have a long service life, on the other hand the set should have a good alignment and cleaning of the Allow yarn-forming textile fibers. For this purpose, the area of the tooth tip section, defined by the width of the teeth in the head region and the length of the tooth tip sections, should be as small as possible. If the surface is reground due to the wear of the sawtooth wire, the surface of the tooth tip section increases, as a result of which the result of carding is no longer satisfactorily possible. This is due in particular to the fact that for the structuring of the teeth, in particular also for the interaction with the textile fibers, the flank angle of the tooth back must be flatter than the chest angle of the tooth breast. If the surface of the tooth tip section is reground too often by grinding, the area increases by reducing the tooth height until the all-steel set can no longer be used.
Aufgabe der Erfindung ist die Weiterbildung einer Ganzstahlgarnitur mit einem Sägezahndraht, wobei die Zähne des Sägezahndrahtes eine Zahnkontur aufweisen sollen, die ein möglichst häufiges Abschleifen der Zahnspitzenabschnitte erlaubt. Dabei soll die Fläche des Zahnspitzenabschnittes möglichst klein ausgeführt werden, die auch nach mehrmaligem Abschleifen nicht unnötig anwächst. Zudem soll der Brustwinkel der Zahnbrust möglichst auch nach mehrfachem Abschleifen unverändert bleiben.The object of the invention is the development of an all-steel set with a sawtooth wire, the teeth of the sawtooth wire should have a tooth contour that allows the tooth tip sections to be ground as often as possible. The area of the tooth tip section should be made as small as possible, which does not increase unnecessarily even after repeated grinding. In addition, the breast angle of the tooth face should remain unchanged if possible even after multiple grinding.
Diese Aufgabe wird ausgehend von einer Ganzstahlgarnitur für eine Karde oder Krempel für die Bearbeitung von Textilfasern gemäß dem Oberbegriff des Anspruchs 1 in Verbindung mit den kennzeichnenden Merkmalen gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den abhängen Ansprüchen angegeben.This object is achieved on the basis of an all-steel clothing for a card or card for the processing of textile fibers according to the preamble of claim 1 in conjunction with the characterizing features. Advantageous developments of the invention are specified in the dependent claims.
Die Erfindung schließt die technische Lehre ein, dass auf dem Zahnspitzenabschnitt ein Zahnhöcker ausgebildet ist, wobei der Zahnhöcker eine Zahnhöckerlänge aufweist, die kleiner ist als die Zahnspitzenlänge.The invention includes the technical teaching that a tooth bump is formed on the tooth tip section, the tooth bump having a tooth bump length that is smaller than the tooth tip length.
Die Aufgabe der vorliegenden Erfindung wird dabei gelöst durch einen Zahnhöcker, der auf einer Teilfläche des Zahnspitzenabschnittes aufgesetzt ist. Der Zahnhöcker kann dabei materialeinheitlich und einteilig mit dem Zahn selbst ausgebildet sein, beispielsweise, indem die Zahnkontur des Zahnes im Bereich des Zahnspitzenabschnittes um die Kontur des Zahnhöckers abgeändert wird. Wird der Zahnhöcker abgeschliffen, so verändert sich dadurch nicht oder nur äußerst gering die Zahnspitzenlänge, da der Zahnhöcker nicht rückseitig in den Zahnrücken übergeht. Vielmehr geht der Zahnhöcker rückseitig in den Zahnspitzenabschnitt über. Der Vorteil ist insbesondere, dass die Ganzstahlgarnitur bis zu sechs Mal oder noch öfter nachgeschliffen werden kann. Ein weiterer wesentlicher Vorteil ist, dass der Brustwinkel zwischen der Zahnbrust und der Senkrechten auf die Drahtlaufrichtung einen Wert von 50° bis 60° und bevorzugt von 55° aufweisen kann. Dieser Winkelwert ändert sich auch nach mehrmaligem Nachschleifen der Ganzstahlgarnitur nicht, und die Ganzstahlgarnitur kann mit einem optimalen Brustwinkel auch nach mehrmaligem Nachschleifen betrieben werden.The object of the present invention is achieved by a tooth bump which is placed on a partial surface of the tooth tip section. The tooth bump can be made of the same material and in one piece with the tooth itself, for example by changing the tooth contour of the tooth in the region of the tooth tip section around the contour of the tooth bump. If the tooth bump is ground down, the tooth tip length does not change or changes only slightly, since the tooth bump does not merge into the back of the tooth. Rather, the back of the tooth bump merges into the tooth tip section. The particular advantage is that the all-steel set can be reground up to six times or more. Another significant advantage is that the breast angle between the tooth face and the perpendicular to the wire running direction can have a value of 50 ° to 60 ° and preferably 55 °. This angle value does not change even after repeated regrinding of the all-steel clothing, and the all-steel clothing can be operated with an optimal chest angle even after repeated regrinding.
Mit besonderem Vorteil kann die Zahnhöckerlänge 10% bis 50% und vorzugsweise 15% bis 25% der Zahnspitzenlänge betragen. Dabei kann der Zahnhöcker im vorderen Bereich auf dem Zahnspitzenabschnitt vorgesehen sein, sodass der Zahnhöcker angrenzend an die Zahnbrust auf dem Zahnspitzenabschnitt ausgebildet ist. Dadurch wird erreicht, dass die Zahnkontur im Übergang vom Zahnhöcker in die Zahnbrust die Zahnspitze bildet. Wird der Sägezahndraht nachgeschliffen, und wird dabei der Zahnhöcker mit jedem Schleifvorgang geringfügig gekürzt, so wandert die Zahnspitze unter gleichzeitiger Nachschärfung nach unten. Beispielsweise kann der Sägezahndraht so oft nachgeschliffen werden, bis der Zahnhöcker auf dem Zahnspitzenabschnitt vollständig abgeschliffen ist, und die Zahnspitze wird vor der Beendigung des Gebrauches des Sägezahndrahtes gebildet durch einen direkten Übergang vom Zahnspitzenabschnitt in die Zahnbrust. Dabei kann der Brustwinkel zwischen der Zahnbrust und der Senkrechten auf die Drahtlaufrichtung den Wert von beispielsweise 55° bis zum Gebrauchsende des Sägezahndrahtes erhalten bleiben.The tooth bump length can be particularly advantageously 10% to 50% and preferably 15% to 25% of the tooth tip length. The tooth bump can be provided in the front area on the tooth tip section, so that the tooth bump is formed on the tooth tip section adjacent to the tooth face. This ensures that the tooth contour forms the tooth tip in the transition from the tooth bump to the tooth breast. If the sawtooth wire is reground, and the tooth protrusion is slightly shortened with each grinding process, the tip of the tooth moves downwards while resharpening. For example, the sawtooth wire can be re-sharpened until the tooth bump on the tooth tip section is completely ground off, and the tooth tip is removed before the end of the Use of sawtooth wire formed by a direct transition from the tooth tip section to the tooth face. The angle of the chest between the tooth face and the perpendicular to the direction of the wire run can retain the value of, for example, 55 ° until the end of the sawtooth wire.
Mit weiterem Vorteil kann der Zahnhöcker mit einem plan ausgebildeten Höckerdach ausgeführt sein. Der Zahnhöcker kann einen hinter dem Höckerdach ausgebildeten Höckerrücken aufweisen, der als Teil der Zahnkontur etwa parallel zum sich auf gleicher Höhe befindlichen Abschnitt der Zahnbrust ausgebildet ist. Verlaufen die Konturen des Höckerrückens und der Zahnbrust etwa parallel zueinander, so bleibt die Zahnhöckerlänge auch nach mehrmaligem Nachschleifen konstant, und die Zahnhöckerlänge kann beispielsweise dauerhaft 10% bis 50% und vorzugsweise 15% bis 25% der Zahnspitzenlänge betragen. Dieser Wert ändert sich bei entsprechender Ausgestaltung des Zahnhöckers nicht und bleibt unabhängig von der Häufigkeit, mit der der Sägezahndraht nachgeschliffen wurde.With further advantage, the tooth bump can be designed with a plan-shaped bump roof. The tooth cusp can have a cusp back formed behind the cusp roof, which as part of the tooth contour is formed approximately parallel to the section of the tooth breast located at the same height. If the contours of the cusp and the tooth face run approximately parallel to one another, the tooth bump length remains constant even after repeated regrinding, and the tooth bump length can, for example, be permanently 10% to 50% and preferably 15% to 25% of the tooth tip length. This value does not change if the tooth bump is designed accordingly and remains independent of the frequency with which the sawtooth wire was reground.
Das Höckerdach kann parallel zur Drahtlaufrichtung des Sägezahndrahtes ausgebildet sein, wobei die Drahtlaufrichtung definiert ist durch den Verlauf der Bodenseite des Sägezahndrahtes, die in Anordnung auf einer Trommel, beispielsweise auf dem Tambour einer Karde, auch eine Krümmung aufweisen kann, sodass eine entsprechende Tangente zur Bodenseite als Drahtlaufrichtung definiert sein kann. Der Brustwinkel kann gemäß einem weiteren Vorteil zur Bildung der Ganzstahlgarnitur zwischen der Zahnbrust und der Senkrechten auf die Drahtlaufrichtung einen Wert von 50° bis 60° und bevorzugt von 55° aufweisen. Entsprechend kann auch der Höckerrücken einen Winkel aufweisen, der mit dem Brustwinkel korrespondiert.The cusp roof can be formed parallel to the wire running direction of the sawtooth wire, the wire running direction being defined by the course of the bottom side of the sawtooth wire, which, when arranged on a drum, for example on the reel of a card, can also have a curvature, so that a corresponding tangent to the bottom side can be defined as the wire running direction. According to a further advantage for forming the all-steel clothing between the tooth face and the perpendicular to the wire running direction, the chest angle can have a value of 50 ° to 60 ° and preferably of 55 °. Accordingly, the back of the hump can also have an angle that corresponds to the angle of the chest.
Erfindungsgemäß entspricht die Zahnhöckerlänge etwa 15% der Länge der Zahnteilung von Zahnspitze zu Zahnspitze.According to the invention, the tooth bump length corresponds to approximately 15% of the length of the tooth division from tooth tip to tooth tip.
Weitere, die Erfindung verbessernde Maßnahmen werden nachstehend gemeinsam mit der Beschreibung eines bevorzugten Ausführungsbeispiels der Erfindung anhand der Figuren näher dargestellt. Es zeigt:
- Figur 1
- eine abschnittsweise Seitenansicht des Sägezahndrahtes mit einer Zahnkontur, die erfindungsgemäß einen Zahnhöcker auf einem Zahnspitzenabschnitt aufweist,
- Figur 2
- eine Schnittansicht durch den Sägezahndraht und
- Figur 3
- eine Detailansicht eines Zahnes des Sägezahndrahtes mit den erfindungsgemäßen Merkmalen.
- Figure 1
- 2 shows a sectioned side view of the sawtooth wire with a tooth contour, which according to the invention has a tooth bump on a tooth tip section,
- Figure 2
- a sectional view through the sawtooth wire and
- Figure 3
- a detailed view of a tooth of the sawtooth wire with the features of the invention.
Die Zahnkontur der Zähne 12 ist bestimmt durch mehrere Abschnitte, und die Zahnkontur beginnt mit einem Zahngrund 13, der übergeht in einen Zahnrücken 14, und der Zahnrücken 14 befindet sich auf der Seite des Zahnes 12, die der Drahtlaufrichtung 11 entgegensteht. Übergehend vom Zahnrücken 14 folgt ein Zahnspitzenabschnitt 15, der parallel zur Drahtlaufrichtung 11 verlaufen kann oder der Zahnrückenabschnitt 15 besitzt ein Gefälle in Richtung zum Zahnrücken 14. Der Zahnspitzenabschnitt 15 geht weiter über in einen erfindungsgemäßen Zahnhöcker 17, und der Zahnhöcker 17 geht unter Bildung der Zahnspitze 18 über in eine Zahnbrust 16, wobei die Zahnbrust 16 in Richtung zur Drahtlaufrichtung 11 weist und um die Höhe des Zahnhöckers 17 verlängert ist. Schließlich geht die Zahnbrust 16 wieder über in den nachfolgenden Zahngrund 13.The tooth contour of the
Die Ansicht zeigt etwa die Größenverhältnisse des Zahnhöckers 17 zum Zahn 12 und insbesondere zeigt die Ansicht die Zahnhöckerlänge I, die kleiner ist als die Zahnspitzenlänge L. Beispielsweise kann die Zahnhöckerlänge I 10% bis 50% und vorzugsweise 15% bis 25% der Zahnspitzenlänge L betragen, wobei das Beispiel zeigt, dass die Zahnhöckerlänge I etwa 20% der Zahnspitzenlänge L beträgt.The view shows approximately the size relationships of the
Wird der Sägezahndraht 10 nachgeschliffen, so erfolgt das Nachschleifen auf dem Höckerdach 19 des Zahnhöckers 17. Dabei kann der Sägezahndraht 10 mehrfach nachgeschliffen werden, bis etwa der Zahnhöcker 17 auf dem Zahnspitzenabschnitt 15 verschwunden ist, und der Zahnspitzenabschnitt 15 verläuft bis zur nach unten gewanderten Zahnspitze 18 in den Bereich der gestrichelten Linie hinein, wie in der Figur gezeigt.If the
Die Erfindung beschränkt sich in ihrer Ausführung nicht auf das vorstehend angegebene bevorzugte Ausführungsbeispiel. Vielmehr ist eine Anzahl von Varianten denkbar, welche von der dargestellten Lösung auch bei grundsätzlich anders gearteten Ausführungen Gebrauch macht, insofern diese Ausführungen unter den Schutzumfang des unabhängigen Anspruchs fallen.The embodiment of the invention is not limited to the preferred exemplary embodiment specified above. Rather, a number of variants are conceivable which make use of the solution shown, even in the case of fundamentally different designs, insofar as these designs fall within the scope of the independent claim.
- 1010th
- SägezahndrahtSawtooth wire
- 1111
- DrahtlaufrichtungWire running direction
- 1212th
- Zahntooth
- 1313
- ZahngrundTooth base
- 1414
- ZahnrückenTooth back
- 1515
- ZahnspitzenabschnittTooth tip section
- 1616
- ZahnbrustToothbrush
- 1717th
- ZahnhöckerTooth hump
- 1818th
- ZahnspitzeTooth tip
- 1919th
- HöckerdachHump roof
- 2020th
- HöckerrückenHumpback
- 2121
- BodenseiteBottom side
- 2222
- GrundabschnittBasic section
- αα
- BrustwinkelBreast angle
- LL
- ZahnspitzenlängeTooth tip length
- II.
- ZahnhöckerlängeTooth bump length
Claims (6)
- An all-steel clothing for a carding machine or a roller card for treating textile fibres, including a saw-tooth wire (10) with teeth (12) formed one after the other in wire running direction (11), wherein the tooth contour of the teeth (12) is determined by starting at a tooth root (13) at least transitioning into a tooth back (14), furthermore, transitioning into a tooth tip section (15), furthermore, transitioning into a tooth face (16) and again transitioning into a following tooth root (13), and wherein the tooth tip section (15) is formed with a certain tooth tip length (L) in wire running direction (11), wherein a tooth bump (17), which is placed on a partial surface of the tooth tip section (15), is formed on the tooth tip section (15), wherein the tooth bump (17) has a tooth bump length (I), which is smaller than the tooth tip length (L), wherein the tooth bump (17) is formed bordering the tooth face (16) on the tooth tip length (15) such that the tooth contour forms a tooth tip (18) in the transition from the tooth bump (179 into the tooth face (16),
characterized in that
the tooth bump length (l) approximately corresponds to 15 % of the length of the tooth spacing of tooth tip (18) to tooth tip (18). - The all-steel clothing according to claim 1, characterized in that the tooth bump length (l) is from 10 % to 50 %, and preferably 15 % of the tooth tip length (L).
- The all-steel clothing according to any of the claims 1 to 2, characterized in that the tooth bump (17) is configured with a bump roof (19), which is formed in a flat manner.
- The all-steel clothing according to claim 3,
characterized in that the tooth bump (17) includes a bump back (20) formed behind the bump roof (19), which back is formed as a part of the tooth contour almost parallel to the section of the tooth face (16), which is located at the same height. - The all-steel clothing according to claim 3 or 4,
characterized in that the bump roof (19) is formed parallel to or with a slope of up to 3° to the wire running direction (11) of the saw-tooth wire (10), wherein, on account of the slope, the bump roof (19) slopes in the direction towards the bump back (20). - The all-steel clothing according to any of the aforementioned claims, characterized in that the face angle (α) between the tooth face (16) and the vertical to the wire running direction (11) has a value of 50° to 60°, preferably of 55°.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014104883 | 2014-04-07 | ||
| DE102014107079.8A DE102014107079B3 (en) | 2014-04-07 | 2014-05-20 | All-steel set for a card |
| PCT/EP2015/000498 WO2015154837A1 (en) | 2014-04-07 | 2015-03-05 | All-steel card clothing for a carding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3129531A1 EP3129531A1 (en) | 2017-02-15 |
| EP3129531B1 true EP3129531B1 (en) | 2020-04-29 |
Family
ID=53192971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15708442.7A Active EP3129531B1 (en) | 2014-04-07 | 2015-03-05 | All-steel card clothing for a carding machine |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US10280535B2 (en) |
| EP (1) | EP3129531B1 (en) |
| JP (1) | JP6291080B2 (en) |
| CN (1) | CN106133217B (en) |
| BR (1) | BR112016020868B8 (en) |
| DE (1) | DE102014107079B3 (en) |
| WO (1) | WO2015154837A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016114622A1 (en) | 2016-08-08 | 2018-02-08 | TRüTZSCHLER GMBH & CO. KG | sawtooth |
| CN107164848A (en) * | 2017-07-18 | 2017-09-15 | 长兴恒峰纺织有限公司 | A kind of high efficiency chemical fibre opener |
| EP3473754B1 (en) * | 2017-10-20 | 2021-05-19 | Groz-Beckert KG | Card wire |
| JP7525399B2 (en) | 2017-11-22 | 2024-07-30 | エクストルージョン グループ，エルエルシー | MELTBLOWN DIE TIP ASSEMBLY AND METHOD |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60181326A (en) * | 1984-02-29 | 1985-09-17 | Iwao Wada | Metallic card clothing |
| DE3539464A1 (en) | 1985-11-07 | 1987-05-14 | Hollingsworth Gmbh | METHOD FOR TREATING THE EDGES OF A SAW TOOTH WIRE |
| DE3723872A1 (en) * | 1987-07-18 | 1989-02-02 | Hollingsworth Gmbh | CLEANING SET FOR TEXTILE FIBER-PROCESSING ELEMENTS, IN PARTICULAR CLEANING ROLLERS |
| DE4436378A1 (en) * | 1994-10-12 | 1996-04-18 | Staedtler & Uhl | Sawtooth set |
| DE19509743A1 (en) * | 1995-03-17 | 1996-09-19 | Fritz Stahlecker | Toothed clothing for open end spinner fibre loosening roller |
| DE10012561B4 (en) | 2000-03-15 | 2004-09-02 | Graf + Cie Ag | sawtooth |
| FR2821863B1 (en) * | 2001-03-08 | 2004-01-02 | Ecc Platt Sa | CARD LINING, ESPECIALLY FOR A COMBINING CYLINDER, WORKING CYLINDER OR CONDENSER CYLINDER |
| DE10114108B4 (en) * | 2001-03-22 | 2005-05-19 | Hollingsworth Gmbh | Sawtooth wire for a roller set |
| DE10254918A1 (en) * | 2002-11-25 | 2004-06-09 | Hollingsworth Gmbh | All-steel clothing for rolls and / or reels of cards or cards |
| JP2005350827A (en) * | 2004-06-14 | 2005-12-22 | Kanai Hiroaki | Metallic wire for cylinder |
| DE102007062841A1 (en) * | 2007-12-21 | 2009-06-25 | TRüTZSCHLER GMBH & CO. KG | Sawtooth all-steel set for rolls and / or drums of carding or carding |
| EP2567010B1 (en) * | 2010-05-04 | 2014-09-24 | NV Bekaert SA | Wire profile for card clothing |
| CN103069061B (en) * | 2010-08-09 | 2016-07-06 | 格罗茨-贝克特两合公司 | Deformed wire for pin cloth |
| CH704510A1 (en) * | 2011-02-18 | 2012-08-31 | Graf & Co Ag | Metallic wire. |
| US9145625B2 (en) * | 2011-09-15 | 2015-09-29 | Groz-Beckert Kg | Card wire with improved tooth shape |
| KR101795122B1 (en) * | 2011-11-15 | 2017-11-07 | 그로츠-베케르트 카게 | Metallic card wire |
-
2014
- 2014-05-20 DE DE102014107079.8A patent/DE102014107079B3/en active Active
-
2015
- 2015-03-05 EP EP15708442.7A patent/EP3129531B1/en active Active
- 2015-03-05 US US15/301,950 patent/US10280535B2/en active Active
- 2015-03-05 JP JP2016559171A patent/JP6291080B2/en active Active
- 2015-03-05 BR BR112016020868A patent/BR112016020868B8/en active IP Right Grant
- 2015-03-05 WO PCT/EP2015/000498 patent/WO2015154837A1/en active Application Filing
- 2015-03-05 CN CN201580015551.8A patent/CN106133217B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015154837A1 (en) | 2015-10-15 |
| BR112016020868B1 (en) | 2021-12-21 |
| JP6291080B2 (en) | 2018-03-14 |
| BR112016020868A2 (en) | 2017-08-15 |
| US20170121863A1 (en) | 2017-05-04 |
| CN106133217A (en) | 2016-11-16 |
| JP2017512922A (en) | 2017-05-25 |
| US10280535B2 (en) | 2019-05-07 |
| DE102014107079B3 (en) | 2015-06-18 |
| CN106133217B (en) | 2018-05-08 |
| EP3129531A1 (en) | 2017-02-15 |
| BR112016020868B8 (en) | 2022-07-05 |
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