Threaded grinding wheel, method of dressing, and grinding a...

B - Operations – Transporting – 24 – B

Patent

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Details

B24B 53/08 (2006.01) B23F 5/04 (2006.01) B23F 19/00 (2006.01) B23F 21/02 (2006.01) B23F 23/12 (2006.01)

Patent

CA 2184997

A method of dressing a threaded grinding wheel comprising rotating the grinding wheel and dressing tool about their respective axes and bringing the tool into contact with a point on a flank of the grinding thread. The dressing tool is transversed along the width of the grinding wheel with the dressing tool maintaining contact with the point during the traversing to remove stock material at the point on the flank along the width of the grinding wheel. The method includes controlling the amount of stock material removed by the dressing tool during the traversing at the point whereby different amounts of stock may be removed in different axial sections along the grinding wheel width at the point thus varying the grinding profile at each section at the point of contact. The tool is traversed at successive points along the grinding thread profile to produce a different grinding profile at each section of the grinding wheel. A method of grinding spur and helical gears is also disclosed.

L'invention concerne un procédé de rhabillage d'une roue de meulage filetée consistant à faire tourner ladite roue de meulage et un outil de rhabillage autour de leurs axes respectifs, puis à amener l'outil en contact avec un point situé sur un flan du filet de meulage. L'outil de rhabillage est traversé le long de la largeur de la roue de meulage, ledit outil maintenant le contact avec ledit point pendant la traversée afin d'éliminer de la matière à dégrossir au niveau du point situé sur le flan, le long de la largeur de la roue de meulage. Le procédé consiste à réguler la quantité de matière à dégrossir extraite par l'outil de rhabillage pendant la traversée au niveau du point, de manière que différentes quantités de matière à dégrossir peuvent être éliminées dans différentes parties axiales, le long de la largeur de la roue de meulage, au niveau dudit point, variant ainsi le profil de meulage de chaque partie au niveau du point de contact. L'outil est traversé au niveau de points successifs situés le long du profil du filet de meulage, afin de produire un profil de meulage différent au niveau de chaque partie de la roue de meulage. L'invention concerne également un procédé de meulage d'engrenages droits et hélicoïdaux.

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