B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
B26D 3/14 (2006.01)
Patent
CA 2325968
The present invention relates to a notching machine for forming a radial notch into a workpiece, such as the side or end of a tube, pipe or rod. The notching machine includes a workpiece positioning assembly, a hub and spindle assembly, an offset mechanism, a hub drive mechanism and a spindle drive mechanism. The workpiece positioning assembly includes a cross slide table and a vice for gripping and positioning the workpiece into a desired position. The hub and spindle assembly includes a hub that is rotatably mounted on a hub rotation assembly. The hub rotation assembly rotates about a central axis of rotation. The hub carries a spindle and its tool. The hub, spindle and tool share a common axis. This common axis is the axis of rotation of the spindle and tool. The hub, spindle and tool can be aligned in an in-line or offset manner with respect to the central axis. The offset mechanism includes an offset adjustment screw that offsets the common axis of the hub, spindle and tool a desired distance from the central axis. When the hub and spindle are offset and rotated about the central axis, the tool orbits about the central axis through a desired circular path of travel. The radius of the notch cut by the tool is adjusted by adjusting the amount of offset. The hub drive mechanism is hand driven by the machine operator via a hand wheel. The spindle drive mechanism is driven by an electric motor that is directly linked to the spindle. The motor is secured to a frame of the machine via a torque arm.
Moffat & Co.
Rusch Christopher J.
LandOfFree
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