Cutting – Cutting motion of tool has component in direction of moving... – Tool carrier shuttles rectilinearly parallel to direction of...
Patent
1975-12-04
1977-05-24
Abercrombie, Willie G.
Cutting
Cutting motion of tool has component in direction of moving...
Tool carrier shuttles rectilinearly parallel to direction of...
83268, 83308, 83320, B23D 2504, B23D 2516
Patent
active
040247813
ABSTRACT:
A device for cutting to length, by shearing, articles known in the sheet metal and air conditioning art as hollow vanes. The device includes a wedge shaped cutting element, means for determining the length of vane to be sheared and a clamping element arranged adjacent the shearing blade to positively hold the vane after the length has been properly determined for shearing. The device is automatically controlled to provide length detection, clamping and shearing in proper sequence in coordination with a vane producing machine with control means provided to establish the recycling of the machine after a length of vane has been cut and has been delivered from the device. The clamping device provides a means for insuring continued flow of the vane through the die portion of the device and a sensing element is provided for retraction of the device after the shearing such that the sheared vane is free to fall from the device and not inhibit further flow of the vane through the device. This device provides an automatic shearing rather than a cutting mechanism for hollow vanes.
REFERENCES:
patent: 3129624 (1964-04-01), Auer
patent: 3704643 (1972-12-01), Cookson
patent: 3800645 (1974-04-01), Alcock et al.
patent: 3805654 (1974-04-01), Plegat
patent: 3808923 (1974-05-01), Plegat
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