Variable speed direct drive drill press/router

Details Variable speed direct drive drill press/router Variable speed direct drive drill press/router

B - Operations, Transporting

27

C

B27C 5/10 (2006.01) B23Q 5/10 (2006.01) H02K 7/14 (2006.01) H02K 29/06 (2006.01) H02K 11/00 (2006.01)

Patent

CA 2144804

A variable speed direct drive drill press/router is disclosed. The drill press/router includes a housing supported above a horizontal bed which contains a generally vertically extending spindle that is rotatably mounted within and partially extends below the housing. A manually engageable or motor driven driver axially moves the spindle predetermined distances toward and away from the horizontal bed. For driving the spindle, a switched reluctance motor is mounted at the upper end of the housing for rotary driving engagement at a desired range of predetermined speeds throughout the entire range of axial movement of the spindle. The lower end of the spindle is capable of interchangeably receiving a workpiece rotating tool such as a drill or router for drilling or routing a workpiece.

Perceuse sur colonne/toupie à entraînement direct. La perceuse sur colonne et toupie comporte un carter situé au-dessus d'un plateau horizontal et contenant une broche disposée à la verticale et animée d'un mouvement de rotation, qui émerge partiellement de la partie inférieure du carter. Un dispositif de translation à déplacement manuel ou commandé par moteur assure le déplacement axial de la broche sur des distances prédéterminées en direction du plateau horizontal ou dans la direction opposée. L'entraînement du porte-forêt dans une gamme de vitesses prédéterminées et sur sa pleine portée axiale est assuré par un moteur à commutation de réluctance monté à la partie supérieure du carter. La partie inférieure de la broche comporte un porte-outil permettant d'interchanger des outils rotatifs tels une perceuse ou une toupie aux fins de perçage ou de toupillage de la pièce à usiner.

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