EP1864771A1 - Hogging tool for working edges of panels, and method and apparatus for utilising such hogging tool - Google Patents

Hogging tool for working edges of panels, and method and apparatus for utilising such hogging tool Download PDF

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Publication number
EP1864771A1
EP1864771A1 EP06011594A EP06011594A EP1864771A1 EP 1864771 A1 EP1864771 A1 EP 1864771A1 EP 06011594 A EP06011594 A EP 06011594A EP 06011594 A EP06011594 A EP 06011594A EP 1864771 A1 EP1864771 A1 EP 1864771A1
Authority
EP
European Patent Office
Prior art keywords
hogging
tool
cutting edge
cutting
cutting edges
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.)
Withdrawn
Application number
EP06011594A
Other languages
German (de)
English (en)
French (fr)
Inventor
Leif Hansen
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.)
Kyocera Unimerco AS
Original Assignee
Kyocera Unimerco AS
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 Kyocera Unimerco AS filed Critical Kyocera Unimerco AS
Priority to EP06011594A priority Critical patent/EP1864771A1/en
Priority to PCT/DK2007/000270 priority patent/WO2007140781A1/en
Priority to PL07722647T priority patent/PL2035197T3/pl
Priority to EP07722647A priority patent/EP2035197B1/en
Priority to DE602007003027T priority patent/DE602007003027D1/de
Priority to DK07722647.0T priority patent/DK2035197T3/da
Priority to AT07722647T priority patent/ATE446830T1/de
Publication of EP1864771A1 publication Critical patent/EP1864771A1/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G13/00—Cutter blocks; Other rotary cutting tools
    • B27G13/08—Cutter blocks; Other rotary cutting tools in the shape of disc-like members; Wood-milling cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D5/00—Other working of veneer or plywood specially adapted to veneer or plywood
    • B27D5/006—Trimming, chamfering or bevelling edgings, e.g. lists

Definitions

  • the invention relates to a hogging tool for working edges of panels, said hogging tool having a body with a circular circumference and an axially oriented surface, and where the hogging tool is provided with at least one chip breaking cutting edge extending along the circumference of the hogging tool and at least one chip cutting edge extending along the axially oriented surface and intended for working the edge of the wooden panel.
  • the invention also relates to a method utilising the hogging tool and to an apparatus for utilising the hogging tool.
  • edges of panels are used when an edging foil or other lining is to be attached to the edge of the panel. It is necessary that the edge is plane so that a secure attachment of the lining is possible. If the edge is not plane or the roughness of the edge is too coarse, the lining may detach.
  • a hogging tool may be used being provided with a plurality of cutting edges.
  • the cutting edges are extending both along a circumference of the hogging tool and along an axially oriented surface of the hogging tool.
  • the cutting edges running along the circumference are intended for pre-working the edge of the panel by engaging a top side of the panel and working a certain width off the edge of the panel.
  • the cutting edges running along the axially oriented surface are intended for finishing working the edge of the panel by engaging the edge side of the panel and providing the surface of the edge.
  • US 6,039,096 discloses a tool for working edges of a panel.
  • the hogging tool is having a front surface, a working plane and a circumferential surface, and defining an axis of rotation, comprising at least one row of cutter teeth extending about the circumferential surface, said cutter teeth serving for pre-working, and a row of teeth for finishing working, the teeth being situated on the front surface, wherein the teeth of both rows have radially cutting edges and axially cutting minor cutting edges, said minor cutting edges defining rotary surfaces which make a transition into each other such that the combined rotary surface forms a setting angle which is reduced according to one of: continuously or in sections, from being oriented radially outward to radially inward with respect to the working plane, the working plane extending perpendicularly to the axis of rotation.
  • the hogging tool of US 6,039,096 exhibits reduced noise emission.
  • the reduction in noise emission is brought about by reducing the vibrations produced in the tool and work-piece and by proportioning the cut, machining being carried out in two stages.
  • the greatest part of the chip volume is removed under favourable noise-emission conditions using a special cutting geometry.
  • the tool and work-piece vibrations are reduced by a clearly reduced rise in the shear force pulse using a special cutting tooth geometry.
  • the chip volume removed under these conditions is only small, and good quality machining can thus be attained.
  • the panels are made of wood or are made of materials similar to the texture of wood, hereby meaning materials such as plastic materials or materials constituting a combination of wooden and plastic materials.
  • the object is obtained according to a first aspect of the invention being a hogging tool provided with
  • micro-structure signifies the often rippled surface occurring after working of the edge.
  • the rippled structure is often called cutting-marks and is formed by one or more cutting edges passing the panel edge at intervals being dependent on the rotational speed of the hogging tool, on the plurality of cutting edges of the hogging tool, on the diameter of the hogging tool and on the linear forwarding speed of the panel when being machined by the hogging tool.
  • a possible tool life of the hogging tool having the above-mentioned features may be at least well above 1 million meters of panel edge being worked, even proven to be above 1.5 million meters of panel edge being worked, and possibly up to or more than 2 million meters of panel edge being worked.
  • the object may also be obtained by a second aspect of the invention being a hogging tool provided with
  • micro-structure signifies the often rippled surface occurring after working of the edge.
  • the rippled structure is often called cutting-marks and is formed by one or more cutting edges passing the panel edge at intervals being dependent on the rotational speed of the hogging tool, on the plurality of cutting edges of the hogging tool, on the diameter of the hogging tool and on the linear forwarding speed of the panel when being machined by the hogging tool.
  • a possible tool life of the hogging tool having the above-mentioned features may be at least well above 1 million meters of panel edge being worked, even proven to be above 1.5 million meters of panel edge being worked, and possibly up to or more than 2 million meters of panel edge being worked.
  • the number of second cutting edges is less than half the number of first cutting edges, or the number of second cutting edges is only a quarter of the number of first cutting edges, or the number of second cutting edges is four and where the number of first cutting edges is at least eight.
  • a third aspect of the invention being a hogging tool provided with
  • a division into at least one first cutting edge and at least one second cutting edge and where the at least one second cutting edge constitutes a cutting edge for finishing of the working of the panel edge, said cutting edge extending from the circumference of the hogging tool and along the axially oriented surface has also proven to decrease the roughness of the micro structure of the surface of the edge of the panel.
  • micro-structure signifies the often rippled surface occurring after working of the edge.
  • the rippled structure is often called cutting marks and is formed by one or more cutting edges passing the panel edge at intervals being dependent on the rotational speed of the hogging tool, on the plurality of cutting edges of the hogging tool, on the diameter of the hogging tool and on the linear forwarding speed of the panel when being machined by the hogging tool.
  • a possible tool life of the hogging tool having the above-mentioned features may be at least well above 1 million meters of panel edge being worked, even proven to be above 1.5 million meters of panel edge being worked, and possibly up to or more than 2 million meters of panel edge being worked.
  • the number of second cutting edges is less than half the number of first cutting edges, or the number of second cutting edges is only a quarter of the number of first cutting edges, or the number of second cutting edges is four and where the number of first cutting edges is at least eight.
  • the invention relates to a method for manufacturing panels having an edge to be milled, said method comprising
  • a method as described above results in a very high precision of the milled edge of the panel.
  • the micro-structure of rippled structure often referred to as cutting marks and being formed by the one or more cutting edges passing the panel edge at intervals being dependent on the rotational speed of the hogging tool, on the plurality of cutting edges of the hogging tool, on the diameter of the hogging tool and on the linear forwarding speed of the panel when being machined by the hogging tool, is decreased considerably.
  • the invention furthermore relates to an apparatus for manufacturing panels having an edge to be milled, said apparatus comprising
  • An apparatus as described above using a hogging tool as described earlier results in a very high precision of the milled edge of the panel.
  • An apparatus as described above results in a very high precision of the milled edge of the panel.
  • the micro-structure of rippled structure often referred to as cutting marks and being formed by the one or more cutting edges passing the panel edge at intervals being dependent on the rotational speed of the hogging tool, on the plurality of cutting edges of the hogging tool, on the diameter of the hogging tool and on the linear forwarding speed of the panel when being machined by the hogging tool, is decreased considerably.
  • Fig. 1 is perspective view of a hogging tool incorporating three different aspects of the invention.
  • the hogging tool has a body 1 with a circumference 2 and an axially oriented surface 3.
  • a hole 4 is provided in the central part of the body 1 of the hogging tool for mounting the hogging tool to a spindle (not shown) of a double end tenoner.
  • the circumference 2 is intended for facing a top surface of a panel being milled
  • the axially oriented surface 3 is intended for facing the edge of the panel being milled, which edge is to be machined for obtaining a high surface quality.
  • a first aspect relates to the angles ⁇ , ⁇ , ⁇ formed by the cutting edges in relation to a radius R of the hogging tool.
  • the first aspect is better illustrated in Fig. 2 and therefore reference is made to Fig. 2.
  • a second aspect relates to at least one, preferably a plurality of cutting edges, each one belonging to a certain set of cutting edges.
  • the plurality of cutting edges in the embodiment illustrated is twenty-four along the circumference 2 of a hogging tool, said hogging tool having a largest diameter D between 150 mm and 300 mm, possibly a largest diameter D between 220 mm and 260 mm, possibly a largest diameter of 250 mm.
  • the number of cutting edges is divided into two different sets of cutting edges.
  • At least one of a first set of cutting edges 5,6 constitutes pre-working cutting edges.
  • the pre-working cutting edges 5 are further divided into at least one cutting edge of a circumferential set of cutting edges 5 and at least one cutting edge of an axial set of cutting edges 6.
  • the circumferential set of cutting edges 5 is intended for primarily cutting along the circumference 2 of the hogging tool, and the axial set of cutting edges 6 is intended for primarily cutting along the axially oriented surface 3 of the hogging tool.
  • the circumferential set of cutting edges 5 has a cutting edge primarily oriented along the circumference 2 of the hogging tool.
  • the circumferential set of cutting edges 5 is intended for initiating the formation of chip from the panel during working.
  • the number of circumferential cutting edges 5 is twelve, said circumferential cutting edges being distributed along the circumference 2 as every second cutting edge of the total of twenty-four cutting edges.
  • the axial set of cutting edges 6 has a cutting edge primarily oriented along the axially oriented surface 3 of the hogging tool.
  • the axial set of cutting edges 6 is intended for pre-working the edge of the panel during working.
  • the number of axial cutting edges 6 is eight being distributed along the circumference as every second cutting edge of the total of twenty-four cutting edges, apart from four times along the circumference, where the axial cutting edges 6 are substituted by a cutting edge being part of a second set of cutting edges (see description below).
  • At least one of the second set of cutting edges 7 constitutes cutting edges for finishing.
  • the cutting edges 7 for finishing, which constitute the second set of cutting edges, are intended for only cutting along the axial surface 3 of the of the hogging tool.
  • the second set of cutting edges 7 for finishing has a cutting edge only oriented along the axially oriented surface 2 of the hogging tool.
  • the second set of cutting edges 7 for finishing is Intended for finishing the edge of the panel during working.
  • the second set of cutting edges 7 for finishing forms an angle y of between at least minus 5 degrees, possibly between minus 5 and minus 45 degrees, preferably between minus 5 degrees and minus 25 degrees, in the embodiment shown forming an angle of minus 20 degrees with radii R of the hogging tool.
  • the number of edges 7 for finishing is four being distributed along the circumference as every sixth cutting edge of the total of twenty-four cutting edges.
  • the total number of cutting edges may be different depending on the diameter D of the hogging tool and depending on the material from which the panel to be milled is made.
  • the relative number of circumferential pre-working cutting edges, of axial pre-working cutting edges and of cutting edges for finishing, respectively, may be different depending on the material from which the panel to be milled is made.
  • panels being made of a more durable material may need more circumferential cutting edges compared to the number of axial cutting edges, e.g. possibly sixteen circumferential pre-working cutting edges and only four axial pre-working cutting edges.
  • Panels being made of a softer material may need less circumferential cutting edges compared to the number of axial cutting edges, e.g. possibly only eight circumferential pre-working cutting edges and twelve axial pre-working cutting edges.
  • the total number of working edges 7 for finishing is determined solely by the diameter D of the hogging tool, by the intended rotational speed of the hogging tool and by the intended linear forwarding speed of the panel being milled.
  • the number of cutting edges 7 for finishing i.e. the number of cutting edges of the second set of cutting edges, is thus always limited, compared to the number of circumferential cutting edges 5 and axial cutting edges 6, i.e. compared to the number of cutting edges of the first set of cutting edges.
  • Fig. 2 is a plane view of a section of the embodiment of the hogging tool shown in fig. 1.
  • the section shows two pre-working circumferential cutting edges 5, one pre-working axial cutting edge 6 and one cutting edge 7 for finishing.
  • the different cutting edges each form different angles ⁇ , ⁇ , ⁇ with radii R of the hogging tool.
  • the circumferential cutting edges 5 of the first set of cutting edges form an angle ⁇ of between plus 20 degrees (+20°) and minus 10 degrees (-10°) with radii R of the hogging tool, preferably forming an angle between plus 10 degrees (+10°) and minus 5 degrees (-5°) with radii R of the hogging tool.
  • the axial cutting edges of the first set of cutting edges form an angle ⁇ of between minus 5 degrees (-5°) and plus 30 degrees (+30°) with radii R of the hogging tool, preferably forming an angle between minus 15 degrees (-15°) and minus 25 degrees (-25°) degrees with radii R of the hogging tool.
  • the second set of cutting edges for finishing forms an angle ⁇ of at least minus 5 degrees, possibly between minus 5 and minus 45 degrees, preferably between minus 5 degrees and minus 25 degrees, in the embodiment shown forming an angle of minus 20 degrees with radii R of the hogging tool.
  • Fig. 3 is a plane view of cutting edges 5,6 of the first set of cutting edges. Axial cutting edges 6 are shown to the right and to the left, and a circumferential cutting edge 5 is shown in the middle. Chip removal channels 8,9 are shown In conjunction with each of the cutting edges.
  • the chip removal channels 8 of the circumferential cutting edges 5 lie primarily in the circumference 2 of the hogging tool and converge, within the circumference 2 of the hogging tool, from the axially oriented surface 3 to a surface 11 opposite the axially oriented surface 3 of the hogging tool (see also fig. 1).
  • the circumferential cutting edges 5 form an angle ⁇ of at least 0 degrees, possibly between plus 5 degrees and plus 30 degrees with a rotational axis A of the hogging tool, preferably forming an angle of plus 15 degrees with the rotational axis A of the hogging tool.
  • the chip removal channels 9 of the axial cutting edges 6 lie primarily in the axially oriented surface 3 of the hogging tool and extend within the body 1 of the hogging tool, along the axially oriented surface 3 and towards the circumference 2 of the hogging tool (see also fig. 1),
  • the axial cutting edges 6 form an angle ⁇ of at least 0 degrees, possibly between plus 5 degrees and plus 30 degrees with a rotational axis A of the hogging tool, preferably forming an angle of plus 15 degrees with the rotational axis A of the hogging tool.
  • the cutting edges 7 for finishing being part of the second set of cutting edges and chip removal channels 10 In conjunction herewith is not shown In fig. 3, however see fig. 1.
  • the chip removal channels 10 of the cutting edges 7 for finishing are similar to the chip removal channels 9 of the axial cutting edges 6 and lie primarily in the axially oriented surface 3 of the hogging tool and extend within the body 1 of the hogging tool, along the axially oriented surface 3 and towards the circumference 2 of the hogging tool (see also fig. 1).
  • the cutting edges 7 for finishing form an angle ⁇ of at least 0 degrees, possibly between plus 5 degrees and plus 30 degrees with a rotational axis A of the hogging tool, preferably forming an angle of plus 15 degrees with the rotational axis A of the hogging tool.
  • a third aspect of the invention relates to the radial extension of the pre-working axial cutting edges 6 of the first set of cutting edges in comparison with the radial extension of the cutting edges 7 for finishing, being part of the second set of cutting edges.
  • the axial cutting edges 6 extend from the circumference 2 of the hogging tool and along the axially oriented surface 3. Also, the cutting edges 7 for finishing extend from the circumference 2 of the hogging tool and along the axially oriented surface 3. However, the cutting edges 7 for finishing extend further along the axially oriented surface 3 than the axial cutting edges 6.
  • the cutting edges 7 for finishing extend at least double the distance along the axially oriented surface 3 than the axial cutting edges 6.
  • the difference between the extension of the cutting edges 7 for finishing and the axial cutting edges 6 is determined empirically depending on the thickness of the panel to be milled, and depending on the durability, i.e. hard or soft, of the material which the panel to be milled is made of.
  • the difference between the extension of the cutting edges 7 for finishing and the axial cutting edges 6, respectively may also be determined empirically depending on the diameter D of the hogging tool, and depending on the intended rotational speed of the hogging tool and depending on the intended linear forwarding speed of the panel to be milled.
  • the diameter D of the hogging tool is approximately 250 mm
  • the length L6 of the axial cutting edges 6 is approximately 6 mm
  • the length L7 of the cutting edges 7 for finishing is approximately 13 mm.
  • the length L6,L7 of the cutting edges 6,7 is the linear extension along the cutting edge as such, and is not the linear extension along a radius of the hogging tool.
  • the invention is described with reference to a specific embodiment of the invention.
  • different embodiment may be envisaged within the cope of protection as defined in the claims.
  • the number of the different cutting edges, i.e. the circumferential cutting edges, the axial cutting edges and the cutting edges for finishing may differ absolutely and relatively.
  • the angles, which the different cutting edges form with radii of the hogging tool may differ, and the angles which the chip removal channels form with the axis of rotation may also differ.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Drilling Tools (AREA)
  • Milling Processes (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Control Of Cutting Processes (AREA)
EP06011594A 2006-06-06 2006-06-06 Hogging tool for working edges of panels, and method and apparatus for utilising such hogging tool Withdrawn EP1864771A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP06011594A EP1864771A1 (en) 2006-06-06 2006-06-06 Hogging tool for working edges of panels, and method and apparatus for utilising such hogging tool
PCT/DK2007/000270 WO2007140781A1 (en) 2006-06-06 2007-06-06 Hogging tool for working edges of panels, and method and apparatus for utilising such hogging tool
PL07722647T PL2035197T3 (pl) 2006-06-06 2007-06-06 Narzędzie rozdrabniające do obróbki brzegów płyt, jak też sposób i urządzenie do wykorzystania takiego urządzenia rozdrabniającego
EP07722647A EP2035197B1 (en) 2006-06-06 2007-06-06 Hogging tool for working edges of panels, and method and apparatus for utilising such hogging tool
DE602007003027T DE602007003027D1 (de) 2006-06-06 2007-06-06 Zerspanungswerkzeug zum bearbeiten von plattenkanten, sowie verfahren und vorrichtung zu dessen verwendung
DK07722647.0T DK2035197T3 (da) 2006-06-06 2007-06-06 Fræseværktøj til bearbejdning af kanter på paneler, samt fremgangsmåde og apparat til anvendelse af et sådant fræseværktøj
AT07722647T ATE446830T1 (de) 2006-06-06 2007-06-06 Zerspanungswerkzeug zum bearbeiten von plattenkanten, sowie verfahren und vorrichtung zu dessen verwendung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06011594A EP1864771A1 (en) 2006-06-06 2006-06-06 Hogging tool for working edges of panels, and method and apparatus for utilising such hogging tool

Publications (1)

Publication Number Publication Date
EP1864771A1 true EP1864771A1 (en) 2007-12-12

Family

ID=37680685

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06011594A Withdrawn EP1864771A1 (en) 2006-06-06 2006-06-06 Hogging tool for working edges of panels, and method and apparatus for utilising such hogging tool
EP07722647A Active EP2035197B1 (en) 2006-06-06 2007-06-06 Hogging tool for working edges of panels, and method and apparatus for utilising such hogging tool

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP07722647A Active EP2035197B1 (en) 2006-06-06 2007-06-06 Hogging tool for working edges of panels, and method and apparatus for utilising such hogging tool

Country Status (6)

Country Link
EP (2) EP1864771A1 (da)
AT (1) ATE446830T1 (da)
DE (1) DE602007003027D1 (da)
DK (1) DK2035197T3 (da)
PL (1) PL2035197T3 (da)
WO (1) WO2007140781A1 (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103203781A (zh) * 2013-04-09 2013-07-17 乐客精密工具（太仓）有限公司 金刚石阶梯型粉碎刀具

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014010436A1 (de) * 2014-07-16 2016-01-21 Leitz Gmbh & Co. Kg Zerspanungswerkzeug zum Stirnplanfräsen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6039096A (en) * 1996-02-27 2000-03-21 Heisel; Uwe Milling tool with reduced noise emission for machining wood or the like
DE10107881A1 (de) * 2001-02-20 2002-09-05 Leitz Gmbh & Co Kg Geb Zerspanwerkzeug

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6039096A (en) * 1996-02-27 2000-03-21 Heisel; Uwe Milling tool with reduced noise emission for machining wood or the like
DE10107881A1 (de) * 2001-02-20 2002-09-05 Leitz Gmbh & Co Kg Geb Zerspanwerkzeug

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103203781A (zh) * 2013-04-09 2013-07-17 乐客精密工具（太仓）有限公司 金刚石阶梯型粉碎刀具

Also Published As

Publication number Publication date
DK2035197T3 (da) 2010-02-01
EP2035197A1 (en) 2009-03-18
PL2035197T3 (pl) 2010-03-31
WO2007140781A1 (en) 2007-12-13
ATE446830T1 (de) 2009-11-15
EP2035197B1 (en) 2009-10-28
DE602007003027D1 (de) 2009-12-10

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