B - Operations – Transporting – 23 – D
Patent
B - Operations, Transporting
23
D
143/11
B23D 55/00 (2006.01) B23D 53/04 (2006.01)
Patent
CA 1036467
DIRECT COUPLED WAY SYSTEM FOR MOVABLE HEAD BAND SAW MACHINES ABSTRACT A direct coupled way system for band saw machines wherein a cutting band is trained in tension over spaced upstream and downstream band wheels which are supported by a movable head for moving the cutting band with respect to a work piece held in position in the path of the cutting band by an arrangement of support members. A shoe is slidably connected to the downstream support member, i.e. the support member which lies between the work piece and the downstream band wheel. A leg having a first end and a second end is connected at its first end tot he downstream section of the movable head and at its second end engages the shoe, the resulting way system thereby directly couples the downstream section of the movable head and the downstream support member to obviate deflections in the movable head and other structural components which result in dimensional changes in the distance between the downstream section of the movable head and the downstream support member which are caused by fluctuations in the cutting force. The leg is connected to the downstream sec- tion of the movable head and moves with the movable head in relation to the work piece. The shoe, being slidably connected to the downstream support member and to the leg, is permitted to move in the direction of movable head motion as the cutting band is moved into or out of the work area. The shoe and leg may be integrally molded or otherwise rigidly connected in band saw machines where the movable head is constrained to one degree of motion relative to the work piece. The shoe and leg are slidably connected in band saw machines where the movable head is per- mitted more than on degree of motion relative to the work piece.
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