Band saw for cutting shaped pieces of bar stock
AssigneeContour Saws, Inc.
InventorJames Kawabata
Life of this patent
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Abstract
The present invention relates to a band saw machine having the capability to produce finished piece parts by employing a rotatable collet and an index vise to rotate and longitudinally position the piece part, a band saw blade positioned in a blade twist assembly capable of making straight, angular, and arcuate cuts on the work piece, and a motor means to move the saw blade perpendicular to the work piece, all under the direction of a pre-programmed computer control.
Claims8
A band saw machine capable of making a plurality of saw cuts at any selected portion and to any selected depth along the entire length of a piece of bar stock comprising:
- a band saw blade assembly having a saw blade and driving wheels mounted to a frame to permit movement of the band saw blade assembly in a direction generally perpendicular to the longitudinal axis of the bar stock;
- a servo motor connected to the band saw blade assembly to provide movement to the band saw blade assembly in a direction generally perpendicular to the longitudinal axis of the bar stock;
- a collet assembly comprising a rotatable collet connected to a gear assembly and a servo motor to enable the collet to rotate the piece of bar stock up to 360 degrees;
- a bearing assembly comprising linear bearings and a servo motor connected to the collet assembly to provide movement to the collet assembly and bar stock in a direction generally parallel to the longitudinal axis of the bar stock;
- an index vise assembly for moving the bar stock longitudinally through the collet in a direction generally parallel to the longitudinal axis of the bar stock;
- a saw blade twist assembly for twisting the saw blade through an arc of generally 90 degrees;
- and
- an automated control means connected to all servo motors for coordinating the movements of the band saw blade and the bar stock to enable the band saw blade to make selected cuts to any selected depth along any selected portion of the entire length of the piece of bar stock.
A band saw machine capable of making repeated straight, angular, and arcuate cuts in selected portions of piece parts, comprising:
- a continuous band saw blade positioned on a pair of rotating wheels mounted to the band saw machine which is connected to X and Y axis servo motors;
- a collet assembly mounted to the band saw machine and connected to a servo motor;
- an index vise assembly mounted to the band saw machine;
- a band saw blade twist assembly mounted to the band saw machine and connected to a servo motor;
- a canted roller assembly mounted to the band saw blade twist assembly to maintain the band saw blade in a generally fixed position when cuts are being made;
- and
- a programmed computer control means connected to the band saw blade servo motors, the collet assembly servo motor, the index vise assembly, and the band saw blade twist assembly servo motor;
- so that the computer control means can determine the position of the piece part and the saw blade so as to produced finished or semi-finished pieces of various configurations, using both through cuts and partial cuts while maintaining the band saw blade in its desired position when the saw blade is being withdrawn.
Dependencies are inferred from the claim text.