Apparatus and method for grinding composite workpieces

Details Apparatus and method for grinding composite workpieces Apparatus and method for grinding composite workpieces

B - Operations, Transporting

24

B

B24B 19/12 (2006.01) B24B 5/42 (2006.01) B24B 41/06 (2006.01) B24B 51/00 (2006.01)

Patent

CA 2335626

A grinding machine has a wheelhead (30) movable under computer control perpendicular to the axis of a composite workpiece, mounted between a headstock (16) and a tailstock (20), and workrests (36 to 42) slidable along front and rear rails (128, 126). Between the workrests are sandwiched rigid cover-spacers (50 to 58) to protect the rails and prevent lateral movement of the workrests. A spring-operated thrust bar (60) may be supported against a fixed dressing wheelhead (14) to clamp the stack of cover-spacers and workrests together, in order to accurately locate and space apart the workrests.

L'invention concerne une machine à rectifier comprenant une poupée porte-meule (30) amovible par commande d'ordinateur perpendiculairement à l'axe d'une pièce composite montée entre une poupée fixe (16) et une contre-poupée (20), et des lunettes (36 à 42) coulissantes le long de rails (128, 126) avant et arrière. Des bagues d'espacement (50 à 58) en forme de couvercles rigides sont intercalées entre les lunettes pour protéger les rails et empêcher un déplacement latéral des lunettes. Une barre de poussée (60) actionnée par ressort peut être disposée contre une poupée porte-meule de finissage (14) fixe pour serrer le groupe de bagues d'espacement-couvercles et de lunettes afin de localiser avec précision les lunettes et de les espacer.

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