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1. WO2020229723 - METHOD FOR SHARPENING A SAW CHAIN AND A SAW CHAIN

Publication Number WO/2020/229723
Publication Date 19.11.2020
International Application No. PCT/FI2019/050373
International Filing Date 10.05.2019
IPC
B23D 63/16 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
63Dressing the tools of sawing machines or sawing devices for use in cutting any kind of material, e.g. in the manufacture of sawing tools
08Sharpening the cutting edges of saw teeth
16of chain saws
B23D 63/08 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
63Dressing the tools of sawing machines or sawing devices for use in cutting any kind of material, e.g. in the manufacture of sawing tools
08Sharpening the cutting edges of saw teeth
B27B 33/14 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
BSAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
33Sawing tools for saw mills, sawing machines, or sawing devices
14Saw chains
A01G 23/091 2006.01
AHUMAN NECESSITIES
01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
23Forestry
02Transplanting, uprooting, felling or delimbing trees
08Felling trees
091Sawing apparatus specially adapted for felling trees
Applicants
  • FOMATEC OY [FI]/[FI]
Inventors
  • KORKMAN, Mikael
Agents
  • LAINE IP OY
Priority Data
Publication Language English (EN)
Filing Language Finnish (FI)
Designated States
Title
(EN) METHOD FOR SHARPENING A SAW CHAIN AND A SAW CHAIN
(FR) PROCÉDÉ D'AFFÛTAGE D'UNE CHAÎNE DE SCIE, ET CHAÎNE DE SCIE
Abstract
(EN)
The disclosure relates to a novel method and apparatus for sharpening the cutting chain (1) of a chainsaw. In the first sharpening step of the method a rotating sharpener (12) is directed against the first cutting tooth (18) to be sharpened in the cutting chain (1) and the sharpener (12) is pressed against the first cutting tooth (18) in set sharpening angle for removing material from the cutting edge (8) of the first cutting tooth (23). - the rotating sharpener (12) is taken to the opposite side of the cutting edge (8) cutting body (23) of the cutting tooth (18) in relation to the first end face (26) and is pressed against the cutting tooth (18) for removing material and forming a second end face (27) to the cutting edge (8) of the cutting body (23).
(FR)
L'invention concerne un nouveau procédé et un nouvel appareil pour affûter la chaîne de coupe (1) d'une scie à chaîne. Lors de la première étape d'affûtage du procédé, un aiguiseur rotatif (12) est amené contre la première dent de coupe (18) à affûter de la chaîne de coupe (1) et l'aiguiseur (12) est pressé contre la première dent de coupe (18) à un angle d'affûtage défini, afin d'éliminer un matériau à partir du bord de coupe (8) de la première dent de coupe (23). L'aiguiseur rotatif (12) est amené sur le côté opposé du corps de coupe (23) de bord de coupe (8) de la dent de coupe (18) par rapport à la première face d'extrémité (26) et est pressé contre la dent de coupe (18) pour retirer le matériau et former une seconde face d'extrémité (27) sur le bord de coupe (8) du corps de coupe (23).
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