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Patent Searching and Data


Title:
BAR STEEL SAWING METHOD
Document Type and Number:
Japanese Patent JP2003266108
Kind Code:
A
Abstract:

To provide a bar steel sawing method for eliminating non-drop troubles caused by a tail end crop locked in a saw groove when a single swinging inclined table is used.

The bar steel sawing method to measure and cut a rolled bar steel by using a gauge-stopper type saw-cutting equipment 1 having the single swinging inclined table 7 pivotably supported by a support shaft 7A at the position with the approaching direction to a saw 3 being a forward 20 direction comprises a step (a) of cutting the bar steel and classifying the cut-bar steel into products S and tail end crops BC, a step (b) to feed the products S and/or tail end crops BC by a predetermined distance α in the reverse direction 21, and a step (c) of turning the inclined table 7 downwardly in an opening direction 13A to incline the table from a carrying line. In the step (b), both the products and the tail end crops are preferably fed in a two-way reverse direction, and the predetermined distance α is preferably ≥β.


Inventors:
TANAKA NAOKI
Application Number:
JP2002069500A
Publication Date:
September 24, 2003
Filing Date:
March 14, 2002
Export Citation:
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Assignee:
JFE STEEL KK
International Classes:
B23D47/04; B21B15/00; B21B39/00; (IPC1-7): B21B15/00; B21B39/00; B23D47/04
Attorney, Agent or Firm:
Eiichi Kobayashi