EP2765361B1 - Method for cladding a panel radiator - Google Patents

Method for cladding a panel radiator Download PDF

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Publication number
EP2765361B1
EP2765361B1 EP14152224.3A EP14152224A EP2765361B1 EP 2765361 B1 EP2765361 B1 EP 2765361B1 EP 14152224 A EP14152224 A EP 14152224A EP 2765361 B1 EP2765361 B1 EP 2765361B1
Authority
EP
European Patent Office
Prior art keywords
steel sheet
rounding
edge
partial volume
region
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14152224.3A
Other languages
German (de)
French (fr)
Other versions
EP2765361A1 (en
Inventor
Sylvain Berthet
Roger Grauls
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caradon Stelrad BV
Original Assignee
Caradon Stelrad BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Caradon Stelrad BV filed Critical Caradon Stelrad BV
Publication of EP2765361A1 publication Critical patent/EP2765361A1/en
Application granted granted Critical
Publication of EP2765361B1 publication Critical patent/EP2765361B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/06—Casings, cover lids or ornamental panels, for radiators
    • F24D19/067—Front coverings attached to the radiator

Definitions

  • the invention relates to a method for lining a panel radiator with a flat, substantially rectangular steel sheet, wherein an edge of the steel sheet is cut into a rounding in at least one corner region of the steel sheet and turned along the rounding to an open groove and the panel radiator is covered with the steel sheet ,
  • the invention has for its object to form a defined edge on the groove in the rounding.
  • the partial volume is punched out. If the rounding is also punched, the partial volume can be removed in the same operation. Alternatively, the partial volume can be removed by diluting the steel sheet before or during punching in the area of the rounding.
  • the partial volume is punched out in a circle.
  • the punching of circular openings is particularly gentle on the tool.
  • the partial volume is punched out in a plurality of sections separated from one another by webs.
  • the holes resulting from several - smaller - sections are filled faster by the flowing material of the steel sheet.
  • these sections are arranged in a row along the curve and preferably have an opening cross-section increasing in the middle of the row. Both measures promote a particularly uniform formation of the groove along the curve.
  • a straight edge region adjoining the corner region can be turned over to a continuation of the groove.
  • the steel sheet can also be provided with a groove running around the edge.
  • the rounding is offset by a distance from the straight region to an inner region of the steel sheet.
  • the material of the steel sheet is reduced by a further partial volume.
  • the straight region is rounded to an obtuse angle.
  • Obtuse angles and rounded edge shapes promote the flow of the material of the steel sheet.
  • the substantially rectangular first steel sheet 1 off FIG. 1 with a thickness 2 of 1 mm is cut in the four corners 3 each to a rounding 4 and is, as in the FIGS. 2a and 2b represented, turned over at the edge 5 to a circumferential, open groove 6 with a thickness 7 of 5 mm and a depth 8 of 6 mm.
  • To disguise the steel sheet 1 is glued to a (not further shown) panel radiator.
  • a corner 3 is in the FIGS. 3a and 3b exemplified in detail:
  • the corner region 3 is mirror-symmetrical to the two adjacent straight portions 9 of the edge 5.
  • the center 10 of the rounding 4 has a distance 11 of 13 mm from the adjacent straight portions 9 of the edge 5.
  • the rounding 4 has a radius 12 of 9 mm and is thus offset by 4 mm with respect to the straight regions 9 of the edge 5 to the inner region 13 of the steel sheet 1.
  • the corner region 3 has three circular openings 14, 15, in each of which a partial volume of the steel sheet 1 is punched out.
  • the openings 14, 15 are arranged in a row 16 with a radius 17 of 8 mm parallel to the rounding 4.
  • the central opening 14 has a diameter 18 of 3 mm
  • the outer openings 15 have a diameter 19 of 2 mm and a distance 20 of 12 mm from the adjacent straight portions 9 of the edge 5.
  • the openings 14, 15 are separated by radially extending webs 21, which terminate on a round 4 forming the continuous edge 22.
  • the straight portions 9 of the edge 5 run at a distance 23 of 15.7 mm from the other straight portion 9 to the rounding 4 at an obtuse angle with a slope 24 of 3 °.
  • the transition to the rounding 4 is rounded with a radius 25 of 0.5 mm.
  • the Figures 4a, 4b and 4c each show the corner regions 26, 27, 28 of other steel sheets for cladding a panel heater according to the invention. These differ from the first steel sheet 1 by the shape and number of the openings 29, 30, 31: the corner region 26 according to FIG. 4a has three oval openings 29. The corner region 27 according to FIG. 4b has five narrow slot-shaped openings 30. The corner region 28 according to Figure 4c has three wide slot-shaped openings 31 with rounded ends 32.

Description

Die Erfindung betrifft ein Verfahren zum Verkleiden eines Plattenheizkörpers mit einem ebenen, im Wesentlichen rechteckigen Stahlblech, wobei eine Kante des Stahlblechs in mindestens einem Eckbereich des Stahlblechs zu einer Rundung geschnitten und entlang der Rundung zu einer offenen Nut umgeschlagen und der Plattenheizkörper mit dem Stahlblech abgedeckt wird.The invention relates to a method for lining a panel radiator with a flat, substantially rectangular steel sheet, wherein an edge of the steel sheet is cut into a rounding in at least one corner region of the steel sheet and turned along the rounding to an open groove and the panel radiator is covered with the steel sheet ,

Ein solches Verfahren ist aus DE 10 2004 014 606 B3 bekannt. Gemäß dem bekannten Verfahren wird das Stahlblech in dem Eckbereich auf die gewünschte Kontur geschnitten und nur an den geraden Kanten umgeschlagen. Durch den Schnitt des Stahlblechs weist der Plattenheizkörper an der Rundung eine scharfe Kante auf. Im Hintergrund der Erfindung schlagen DE 296 11 922 U1 und EP 0 703 415 A1 vor, in dem Eckbereich Teilvolumen des Stahlblechs derart zu entfernen, dass in der Rundung eine oder zwei in etwa radial verlaufende Zungen entstehen, die sich beim Umschlagen im Wesentlichen aneinander und an die Kante des Stahlblechs anlagern und einen Rand der Nut bilden sollen.Such a procedure is over DE 10 2004 014 606 B3 known. According to the known method, the steel sheet is cut to the desired contour in the corner area and turned over only at the straight edges. By cutting the steel sheet, the panel radiator at the rounding a sharp edge. In the background of the invention beat DE 296 11 922 U1 and EP 0 703 415 A1 in the corner area to remove the partial volume of the steel sheet in such a way that in the rounding one or two approximately radially extending tongues are formed which, when folded, substantially abut each other and against the edge of the steel sheet and form an edge of the groove.

In der Praxis lagern sich durch Fertigungsungenauigkeiten beim Umschlagen die Zungen häufig nur unvollständig aneinander an und bilden in diesen Fällen auch keinen definierten Rand der Nut. Die dann am fertigen Produkt einzeln vorstehenden Zungen sind nicht nur optisch unvorteilhaft, sondern bergen auch ein Verletzungsrisiko. Darüber hinaus ist das Stahlblech an der derart unvollständig ausgebildeten Nut geschwächt und bruchgefährdet.In practice, due to manufacturing inaccuracies during handling the tongues often accumulate only incomplete together and in these cases also form no defined edge of the groove. The then individually projecting tabs on the finished product are not only visually disadvantageous, but also involve a risk of injury. In addition, the steel sheet is weakened at the thus incomplete groove and at risk of breakage.

Aufgabetask

Der Erfindung liegt die Aufgabe zugrunde, an der Nut in der Rundung eine definierte Kante auszubilden.The invention has for its object to form a defined edge on the groove in the rounding.

Lösungsolution

Ausgehend von dem bekannten Verfahren wird nach der Erfindung vorgeschlagen, dass in der Rundung ein Teilvolumen des Stahlblechs entfernt wird, wobei beim Entfernen des Teilvolumens ein die Rundung bildender Rand an dem Stahlblech verbleibt, und dass der Plattenheizkörper mit dem Stahlblech verklebt wird. Beim Umschlagen fließt der Werkstoff des Stahlblechs in die durch Entfernen des Teilvolumens entstandenen Bereiche, während der Rand im Wesentlichen als zusammenhängender Bereich erhalten bleibt und eine Kante der Nut ausbildet.Starting from the known method is proposed according to the invention that removes a partial volume of the steel sheet in the rounding is, wherein the removal of the partial volume a rounding edge forming remains on the steel sheet, and that the plate heater is bonded to the steel sheet. During turnover, the material of the steel sheet flows into the regions formed by removal of the partial volume, while the edge essentially remains as a contiguous region and forms an edge of the groove.

Vorzugsweise wird in einem erfindungsgemäßen Verfahren das Teilvolumen ausgestanzt. Wenn auch die Rundung gestanzt wird, kann so das Teilvolumen in demselben Arbeitsgang entfernt werden. Alternativ kann das Teilvolumen entfernt werden, indem das Stahlblech vor dem oder beim Stanzen im Bereich der Rundung verdünnt wird.Preferably, in a method according to the invention, the partial volume is punched out. If the rounding is also punched, the partial volume can be removed in the same operation. Alternatively, the partial volume can be removed by diluting the steel sheet before or during punching in the area of the rounding.

Bevorzugt wird in einem solchen Verfahren das Teilvolumen kreisförmig ausgestanzt. Das Stanzen von kreisförmigen Durchbrüchen ist besonders werkzeugschonend.Preferably, in such a method, the partial volume is punched out in a circle. The punching of circular openings is particularly gentle on the tool.

Weiterhin bevorzugt wird in einem Verfahren mit Ausstanzen des Teilvolumens das Teilvolumen in einer Mehrzahl von voneinander durch Stege getrennten Abschnitten ausgestanzt. Die durch mehrere - kleinere - Abschnitte entstehenden Löcher werden durch den fließenden Werkstoff des Stahlblechs schneller ausgefüllt.Further preferably, in a method with punching out the partial volume, the partial volume is punched out in a plurality of sections separated from one another by webs. The holes resulting from several - smaller - sections are filled faster by the flowing material of the steel sheet.

Vorteilhaft sind diese Abschnitte in einer Reihe entlang der Rundung angeordnet und weisen bevorzugt zu einer Mitte der Reihe ansteigende Öffnungsquerschnitte auf. Beide Maßnahmen fördern eine besonders gleichmäßige Ausbildung der Nut entlang der Rundung.Advantageously, these sections are arranged in a row along the curve and preferably have an opening cross-section increasing in the middle of the row. Both measures promote a particularly uniform formation of the groove along the curve.

In einem erfindungsgemäßen Verfahrens kann ein an den Eckbereich anschließender gerader Bereich der Kante zu einer Fortsetzung der Nut umgeschlagen werden. Insbesondere kann in einem erfindungsgemäßen Verfahren auch das Stahlblech mit einer an der Kante umlaufenden Nut versehen werden.In a method according to the invention, a straight edge region adjoining the corner region can be turned over to a continuation of the groove. In particular, in a method according to the invention, the steel sheet can also be provided with a groove running around the edge.

Vorteilhafter Weise ist in einem solchen Verfahren die Rundung um einen Abstand gegenüber dem geraden Bereich zu einem inneren Bereich des Stahlblechs versetzt. So wird der Werkstoff des Stahlblechs um ein weiteres Teilvolumen vermindert.Advantageously, in such a method, the rounding is offset by a distance from the straight region to an inner region of the steel sheet. Thus, the material of the steel sheet is reduced by a further partial volume.

Besonders bevorzugt läuft in einem solchen Verfahren der gerade Bereich zu der Rundung in einem stumpfen Winkel aus. Stumpfe Winkel und gerundete Kantenverläufe begünstigen das Fließen des Werkstoffs des Stahlblechs.Particularly preferably, in such a method, the straight region is rounded to an obtuse angle. Obtuse angles and rounded edge shapes promote the flow of the material of the steel sheet.

Ausführungsbeispielembodiment

Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen erläutert. Es zeigen

Fig. 1
ein erstes Stahlblech zum erfindungsgemäßen Verkleiden eines Plattenheizkörpers,
Fig. 2a
das erste Stahlblech nach dem Umschlagen und
Fig. 2b
einen Detailschnitt des ersten Stahlblechs nach dem Umschlagen,
Fig. 3a-b
einen Eckbereich des ersten Stahlblechs und
Fig. 4a-c
Eckbereiche weiterer Stahlbleche zum erfindungsgemäßen Verkleiden eines Plattenheizkörpers.
The invention will be explained below with reference to exemplary embodiments. Show it
Fig. 1
a first steel sheet for cladding a panel radiator according to the invention,
Fig. 2a
the first steel sheet after folding and
Fig. 2b
a detail section of the first steel sheet after folding,
Fig. 3a-b
a corner region of the first steel sheet and
Fig. 4a-c
Corner regions of further steel sheets for cladding a panel heater according to the invention.

Das im Wesentlichen rechteckige erste Stahlblech 1 aus Figur 1 mit einer Dicke 2 von 1 mm ist in den vier Eckbereichen 3 jeweils zu einer Rundung 4 geschnitten und wird, wie in den Figuren 2a und 2b dargestellt, an der Kante 5 zu einer umlaufenden, offenen Nut 6 mit einer Dicke 7 von 5 mm und einer Tiefe 8 von 6 mm umgeschlagen. Zum Verkleiden wird das Stahlblech 1 mit einem (nicht weiter dargestellten) Plattenheizkörper verklebt.The substantially rectangular first steel sheet 1 off FIG. 1 with a thickness 2 of 1 mm is cut in the four corners 3 each to a rounding 4 and is, as in the FIGS. 2a and 2b represented, turned over at the edge 5 to a circumferential, open groove 6 with a thickness 7 of 5 mm and a depth 8 of 6 mm. To disguise the steel sheet 1 is glued to a (not further shown) panel radiator.

Ein Eckbereich 3 ist in den Figuren 3a und 3b beispielhaft im Detail dargestellt: Der Eckbereich 3 ist in sich spiegelsymmetrisch zu den beiden angrenzenden geraden Bereichen 9 der Kante 5. Der Mittelpunkt 10 der Rundung 4 weist einen Abstand 11 von 13 mm von den angrenzenden geraden Bereichen 9 der Kante 5 auf. Die Rundung 4 weist einen Radius 12 von 9 mm auf und ist damit um 4 mm gegenüber den geraden Bereichen 9 der Kante 5 zum inneren Bereich 13 des Stahlblechs 1 versetzt.A corner 3 is in the FIGS. 3a and 3b exemplified in detail: The corner region 3 is mirror-symmetrical to the two adjacent straight portions 9 of the edge 5. The center 10 of the rounding 4 has a distance 11 of 13 mm from the adjacent straight portions 9 of the edge 5. The rounding 4 has a radius 12 of 9 mm and is thus offset by 4 mm with respect to the straight regions 9 of the edge 5 to the inner region 13 of the steel sheet 1.

Der Eckbereich 3 weist drei kreisförmige Öffnungen 14, 15 auf, in denen jeweils ein Teilvolumen des Stahlblechs 1 ausgestanzt ist. Die Öffnungen 14, 15 sind in einer Reihe 16 mit einem Radius 17 von 8 mm parallel zu der Rundung 4 angeordnet. Die mittlere Öffnung 14 weist einen Durchmesser 18 von 3 mm, die äußeren Öffnungen 15 weisen einen Durchmesser 19 von 2 mm und einen Abstand 20 von 12 mm von den angrenzenden geraden Bereichen 9 der Kante 5 auf.The corner region 3 has three circular openings 14, 15, in each of which a partial volume of the steel sheet 1 is punched out. The openings 14, 15 are arranged in a row 16 with a radius 17 of 8 mm parallel to the rounding 4. The central opening 14 has a diameter 18 of 3 mm, the outer openings 15 have a diameter 19 of 2 mm and a distance 20 of 12 mm from the adjacent straight portions 9 of the edge 5.

Die Öffnungen 14, 15 sind durch radial verlaufende Stege 21 getrennt, die auf einem die Rundung 4 bildenden, durchgehenden Rand 22 enden. Die geraden Bereiche 9 der Kante 5 laufen in einem Abstand 23 von jeweils 15,7 mm vom jeweils anderen geraden Bereich 9 zu der Rundung 4 in einem stumpfen Winkel mit einer Neigung 24 von 3° aus. Der Übergang zu der Rundung 4 ist mit einem Radius 25 von 0,5 mm gerundet.The openings 14, 15 are separated by radially extending webs 21, which terminate on a round 4 forming the continuous edge 22. The straight portions 9 of the edge 5 run at a distance 23 of 15.7 mm from the other straight portion 9 to the rounding 4 at an obtuse angle with a slope 24 of 3 °. The transition to the rounding 4 is rounded with a radius 25 of 0.5 mm.

Die Figuren 4a, 4b und 4c zeigen jeweils die Eckbereiche 26, 27, 28 weiterer Stahlbleche zum erfindungsgemäßen Verkleiden eines Plattenheizkörpers. Diese unterscheiden sich von dem ersten Stahlblech 1 durch die Form und Anzahl der Öffnungen 29, 30, 31: Der Eckbereich 26 gemäß Figur 4a weist drei ovale Öffnungen 29 auf. Der Eckbereich 27 gemäß Figur 4b weist fünf schmale schlitzförmige Öffnungen 30 auf. Der Eckbereich 28 gemäß Figur 4c weist drei breite schlitzförmige Öffnungen 31 mit gerundeten Enden 32 auf.The Figures 4a, 4b and 4c each show the corner regions 26, 27, 28 of other steel sheets for cladding a panel heater according to the invention. These differ from the first steel sheet 1 by the shape and number of the openings 29, 30, 31: the corner region 26 according to FIG FIG. 4a has three oval openings 29. The corner region 27 according to FIG. 4b has five narrow slot-shaped openings 30. The corner region 28 according to Figure 4c has three wide slot-shaped openings 31 with rounded ends 32.

In den Figuren sind

1
Stahlblech
2
Dicke
3
Eckbereich
4
Rundung
5
Kante
6
Nut
7
Dicke
8
Tiefe
9
gerader Bereich
10
Mittelpunkt
11
Abstand
12
Radius
13
innerer Bereich
14
mittlere Öffnung
15
äußere Öffnung
16
Reihe
17
Radius
18
Durchmesser
19
Durchmesser
20
Abstand
21
Steg
22
Rand
23
Abstand
24
Neigung
25
Radius
26
Eckbereich
27
Eckbereich
28
Eckbereich
29
Öffnung
30
Öffnung
31
Öffnung
32
Ende
In the figures are
1
sheet steel
2
thickness
3
corner
4
curve
5
edge
6
groove
7
thickness
8th
depth
9
straight range
10
Focus
11
distance
12
radius
13
inner area
14
middle opening
15
outer opening
16
line
17
radius
18
diameter
19
diameter
20
distance
21
web
22
edge
23
distance
24
Tilt
25
radius
26
corner
27
corner
28
corner
29
opening
30
opening
31
opening
32
The End

Claims (9)

  1. A method for cladding a panel radiator with a planar, essentially rectangular steel sheet (1), wherein an edge (5) of the steel sheet (1) is cut in at least one corner region (3, 27, 28, 29) of the steel sheet (1) to give a rounding (4) and folded over along the rounding (4) to give an open groove (6) and the panel radiator is covered with the steel sheet (1), characterised in that a partial volume of the steel sheet (1) is removed in the rounding (4), wherein an edge (22) forming the rounding (4) remains on the steel sheet (1) when the partial volume is removed, and in that the panel radiator is adhesively bonded to the steel sheet (1).
  2. The method according to the preceding claim, characterised in that the partial volume is stamped out.
  3. The method according to the preceding claim, characterised in that the partial volume is stamped out in a circular manner.
  4. The method according to one of claims 2 or 3, characterised in that the partial volume is stamped out in a plurality of sections that are separated from one another by webs (21).
  5. The method according to the preceding claim, characterised in that the sections are arranged in a row (16) along the rounding (4).
  6. The method according to the preceding claim, characterised in that opening cross sections of the sections rise to a centre of the row (16).
  7. The method according to one of the preceding claims, characterised in that a straight region (9) of the edge (5) adjoining the corner region (3, 27, 28, 29) is folded over to give a continuation of the groove (6).
  8. The method according to the preceding claim, characterised in that the rounding (4) is offset by a distance from an inner region (13) of the steel sheet (1) compared to the straight region (9).
  9. The method according to the preceding claim, characterised in that the straight region (9) tapers out to the rounding (4) at an obtuse angle.
EP14152224.3A 2013-02-08 2014-01-23 Method for cladding a panel radiator Active EP2765361B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013202058.9A DE102013202058A1 (en) 2013-02-08 2013-02-08 Process for dressing a panel radiator

Publications (2)

Publication Number Publication Date
EP2765361A1 EP2765361A1 (en) 2014-08-13
EP2765361B1 true EP2765361B1 (en) 2015-06-17

Family

ID=50072862

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14152224.3A Active EP2765361B1 (en) 2013-02-08 2014-01-23 Method for cladding a panel radiator

Country Status (2)

Country Link
EP (1) EP2765361B1 (en)
DE (1) DE102013202058A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU215851U1 (en) * 2022-11-08 2022-12-29 Открытое акционерное общество "Научно-исследовательский технологический институт "Прогресс" FLAT FACE PANEL OF STEEL PANEL RADIATOR

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3309897A1 (en) * 2016-10-12 2018-04-18 VEGA Grieshaber KG Waveguide coupling for radar antenna

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9415520U1 (en) 1994-09-24 1995-01-19 Ulamo Beheer Bv Front paneling for panel radiators
DE29611922U1 (en) * 1996-07-09 1996-09-05 Wiemann Gmbh Cladding panel
DE29912593U1 (en) * 1999-07-20 1999-11-04 Ulamo Beheer Bv Front panels
DE102004014606B3 (en) * 2004-03-23 2005-08-11 Wiemann Gmbh Cladding plate for front of radiator has flat cutout of cladding plate with edge sector at angle on at least one corner region

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU215851U1 (en) * 2022-11-08 2022-12-29 Открытое акционерное общество "Научно-исследовательский технологический институт "Прогресс" FLAT FACE PANEL OF STEEL PANEL RADIATOR

Also Published As

Publication number Publication date
DE102013202058A1 (en) 2014-08-14
EP2765361A1 (en) 2014-08-13
DE102013202058A9 (en) 2014-10-02

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