EP1179391A2 - Verfahren zum Herstellen einer mehrfachgewindeförmigen Schleifscheibe, insbesondere zum mikroeinkerben von Skilaufflächen - Google Patents

Verfahren zum Herstellen einer mehrfachgewindeförmigen Schleifscheibe, insbesondere zum mikroeinkerben von Skilaufflächen Download PDF

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Publication number
EP1179391A2
EP1179391A2 EP01830036A EP01830036A EP1179391A2 EP 1179391 A2 EP1179391 A2 EP 1179391A2 EP 01830036 A EP01830036 A EP 01830036A EP 01830036 A EP01830036 A EP 01830036A EP 1179391 A2 EP1179391 A2 EP 1179391A2
Authority
EP
European Patent Office
Prior art keywords
grindstone
threads
mother
starting
thread
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.)
Granted
Application number
EP01830036A
Other languages
English (en)
French (fr)
Other versions
EP1179391A3 (de
EP1179391B1 (de
Inventor
Giuseppe Moroni
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1179391A2 publication Critical patent/EP1179391A2/de
Publication of EP1179391A3 publication Critical patent/EP1179391A3/de
Application granted granted Critical
Publication of EP1179391B1 publication Critical patent/EP1179391B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C11/00—Accessories for skiing or snowboarding
    • A63C11/04—Accessories for skiing or snowboarding for treating skis or snowboards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
    • B24B19/028—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for microgrooves or oil spots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
    • B24B53/06—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
    • B24B53/075—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels for workpieces having a grooved profile, e.g. gears, splined shafts, threads, worms

Definitions

  • This invention concerns the equipment for creating the micro-scoring on the underside of skis, and refers in particular to a method for preparing the surface of a grindstone which can carry out said micro-scoring operation.
  • micro-scoring operation on the underside of the ski is carried out with special machines, using a grindstone which has been prepared by carving its surface with a diamond tool that removes chippings.
  • the aim of this invention is achieved by a procedure which involves using a diamond tool to cut a grindstone in such a way as to create multistart helical threads, which criss-cross, thereby creating a pattern with many threads that will be reproduced on the underside of a ski when it is brought into contact with the grindstone.
  • number 11 indicates a grindstone and number 12 a diamond tool for surface carving the grindstone by means of removing chippings while it rotates with respect to the tool, in the direction of the arrow R.
  • the carving operation described here refers to the creation of the first three threads, referred to here as the "mother threads”, and of a similar number of secondary threads, referred to as “splitting threads", which criss-cross the mother threads. However, it is understood that the procedure is also similarly applicable to the creation of other thread quantities.
  • the mother threads are created, one at a time.
  • an axis "01" is memorised - Fig 1 - as the point in which the cutting tool 12 starts to attack the surface of the grindstone 11 to be carved.
  • the first mother thread is created, rotating the grindstone and moving the tool laterally to it, as required.
  • the tool is detached from the grindstone and the latter is made to rotate on its axis at a pre-determined angle ⁇ - Fig. 2 - in order to bring a second point "02" on the surface of the grindstone 11 into line with the tool. Then the tool is used to carry out a second mother thread, starting from point "02" on the grindstone, whilst the latter rotates and the tool is moved sideways according to the pre-determined pitch.
  • the tool is removed from the grindstone and the latter is made to rotate on its axis, at a pre-determined angle ⁇ - Fig. 3 - with respect to point "02", thereby creating a third point "03" to which the utensil will be applied for the creation of another thread.
  • a third mother thread is then created in such a way that the surface of the grindstone will have three threads, which may be equidistant or not according to the angles ⁇ and ⁇ through which the grindstone has rotated between points "01" and "02” and between points "02" and "03".
  • the grindstone is rotated to a new starting point "001", for the creation of the splitting threads.
  • This new starting point "001” may coincide with point "01" of the first mother thread or it may be in line with another part of the grindstone surface.
  • the cutting tool is used to execute a first splitting thread, rotating the grindstone constantly in the direction R and moving the tool across the grindstone with the appropriate movement and with the chosen pitch.
  • the tool is detached and the grindstone is rotated on its axis by an angle ⁇ ', thereby establishing point "002" - Fig. 5 - as starting point for making the second splitting thread with the cutting tool.
  • the tool is detached from the grindstone and the latter is rotated by a further angle ⁇ ', until a third starting point "003" - Fig. 6 - is reached, from where the cutting tool can begin cutting a third splitting thread.
  • splitting threads criss-cross the mother threads and, together, form a pattern of threads which can have a slope and pitch as needed and which, between them, define on the surface a series of tooth hubs that will cut the underside of the ski when it comes into contact with the grindstone, reproducing the corresponding pattern of micro-scoring, producing, in particular, a scoring with a very fine pitch and at a steep angle with respect to the sliding direction of the ski.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Ropes Or Cables (AREA)
  • Heat Treatment Of Steel (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP01830036A 2000-08-04 2001-01-23 Verfahren zum Herstellen einer mehrfachgewindeförmigen Schleifscheibe, insbesondere zum mikroeinkerben von Skilaufflächen Expired - Lifetime EP1179391B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITBS200079 2000-08-04
IT2000BS000079A IT1314918B1 (it) 2000-08-04 2000-08-04 Procedimento di creazione di profili in multifiletto su una molaparticolarmente per la microrigatura della soletta degli sci.
ITBS20000079 2000-08-04

Publications (3)

Publication Number Publication Date
EP1179391A2 true EP1179391A2 (de) 2002-02-13
EP1179391A3 EP1179391A3 (de) 2002-11-27
EP1179391B1 EP1179391B1 (de) 2005-06-08

Family

ID=11440567

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01830036A Expired - Lifetime EP1179391B1 (de) 2000-08-04 2001-01-23 Verfahren zum Herstellen einer mehrfachgewindeförmigen Schleifscheibe, insbesondere zum mikroeinkerben von Skilaufflächen

Country Status (4)

Country Link
EP (1) EP1179391B1 (de)
AT (1) ATE297294T1 (de)
DE (1) DE60111312T2 (de)
IT (1) IT1314918B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003045510A1 (en) * 2001-11-29 2003-06-05 Red Creek Sweden Ab A roller with surface relief pattern, for impressing or grinding a ski base in the running groove
ITUA20164355A1 (it) * 2016-06-14 2017-12-14 Tecnopower S R L Metodo e macchina di lavorazione della soletta di uno sci
EP3275512A1 (de) 2016-07-13 2018-01-31 TECNOPOWER di Capelli Paolo Verfahren und system zur bearbeitung eines skis

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT406463B (de) * 1998-01-16 2000-05-25 Wintersteiger Gmbh & Co Vorrichtung zum abrichten eines schleifsteines zum schleifen einer laufflächenstruktur für einen ski

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003045510A1 (en) * 2001-11-29 2003-06-05 Red Creek Sweden Ab A roller with surface relief pattern, for impressing or grinding a ski base in the running groove
ITUA20164355A1 (it) * 2016-06-14 2017-12-14 Tecnopower S R L Metodo e macchina di lavorazione della soletta di uno sci
EP3257628A1 (de) 2016-06-14 2017-12-20 TECNOPOWER di Capelli Paolo Verfahren und maschine zur bearbeitung der unterseite eines skis
EP3275512A1 (de) 2016-07-13 2018-01-31 TECNOPOWER di Capelli Paolo Verfahren und system zur bearbeitung eines skis

Also Published As

Publication number Publication date
DE60111312D1 (de) 2005-07-14
DE60111312T2 (de) 2006-03-16
IT1314918B1 (it) 2003-01-16
ITBS20000079A0 (it) 2000-08-04
EP1179391A3 (de) 2002-11-27
ITBS20000079A1 (it) 2002-02-04
EP1179391B1 (de) 2005-06-08
ATE297294T1 (de) 2005-06-15

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