Cutting machine and cutting method

Patent metadata

Field	Value
Publication number	US-12023747-B2
Application number	US-202017788617-A
Country	US
Kind code	B2
Filing date	Dec 17, 2020
Priority date	Dec 27, 2019
Publication date	Jul 2, 2024
Grant date	Jul 2, 2024

Abstract

A cutting machine includes a cutting machine main body configured to cut a material transported along a longitudinal direction of a material into a plurality of cut materials, a material supply device and a product carrying-out device configured to carry the material into the cutting machine main body and to sort and carry out each of the plurality of cut materials into a product yard for accommodating a product or a residual material yard for accommodating a residual material of the material, respectively, and an NC device configured to control the cutting machine main body, the material supply device, and the product carrying-out device. The NC device is provided with a first operation mode for causing all of the plurality of cut materials to be carried out to the product yard 45.

First claim

The invention claimed is:

1. A cutting method of cutting out a product having a predetermined product length from a material by using a cutting machine, the cutting method comprising:
a first step of cutting, by the cutting machine, the material transported along a longitudinal direction of the material; and
a second step of sorting and carrying out, by the cutting machine, a cut material cut from the material into any yard of a plurality of yards, wherein
the plurality of yards include a product yard for accommodating the product and a residual material yard for accommodating a residual material of the material,
when a predetermined first operation mode is selected, the second step causes all of a plurality of cut materials cut from the material to be carried out to the product yard, and
when a predetermined second operation mode is selected, the second step causes a cut material corresponding to the product length to be carried out to the product yard and a cut material corresponding to the remaining portion of the material from which the cut material corresponding to the product length has been cut out to be carried out to the residual material yard, wherein the residual material yard is located on an upstream side of a cutting machine main body.

2. A cutting machine for cutting out a product having a predetermined product length from a material, the cutting machine comprising:
a cutting machine main body configured to cut the material transported along a longitudinal direction of the material into a plurality of cut materials;
a transport device configured to carry the material into the cutting machine main body and to sort and carry out each of the plurality of cut materials cut by the cutting machine main body into any yard of a plurality of yards; and
a control device configured to control the cutting machine main body and the transport device, wherein
the plurality of yards include a product yard for accommodating the product and a residual material yard for accommodating a residual material of the material,
the control device is provided with a first operation mode for causing all of the plurality of cut materials to be carried out to the product yard and a second operation mode for causing a cut material corresponding to the product length to be carried out to the product yard and a cut material corresponding to the remaining portion of the material from which the cut material corresponding to the product length has been cut out to be carried out to the residual material yard, from among the plurality of cut material, wherein the residual material yard is located on an upstream side of the cutting machine main body, and the control device is configured
to switch between the first operation mode and the second operation mode for execution.

3. The cutting machine according to claim 2 , wherein the control device is configured to operate in the first operation mode when equal division cutting processing for cutting out the plurality of cut materials as a plurality of products is performed by cutting the material into equal divisions each including an allowable error.

4. The cutting machine according to claim 3 , wherein, when the equal division cutting processing is performed, the control device is configured to
obtain a material length that is a length of the material and a number of equal divisions into which the material is cut,
calculate the product length based on the material length and the number of equal divisions;
cut out, from the material, n−1 (n: the number of equal divisions) cut materials corresponding to the product length, and
carry out, to the product yard, the n−1 cut materials corresponding to the product length and a cut material corresponding to a remaining portion of the material from which the n−1 cut materials have been cut out.

5. The cutting machine according to claim 4 , wherein the cut material corresponding to the remaining portion of the material from which the n−1 cut materials have been cut out is a cut material present on an upstream side of a cutting position of the cutting machine main body in a transport direction of the material after a final cutting of the material.

6. The cutting machine according to claim 3 , wherein, when the equal division cutting processing is performed, the control device is configured to obtain the product length and a number of pieces to be cut out from the material;
cut out, from the material, n−1 (n: the number of pieces) cut materials corresponding to the product length; and
carry out, to the product yard, the n−1 cut materials corresponding to the product length and a cut material corresponding to a remaining portion of the material from which the n−1 cut materials have been cut out.

Assignees

• Amada Co Ltd
• Amada Machinery Co Ltd

Inventors

• Tadano Susumu

Classifications

• B23D59/001

  Measuring or control devices, e.g. for automatic control of work feed pressure on band saw blade (measuring in general G01; controlling in general G05) · CPC title

• B23D47/04 Primary

  of devices for feeding, positioning, clamping, or rotating work · CPC title

• B07C5/36

  Sorting apparatus characterised by the means used for distribution {(sorting according to destination B07C3/003, B07C3/02)} · CPC title

• B27B31/00

  Arrangements for conveying, loading, turning, adjusting, or discharging the log or timber, specially designed for saw mills or sawing machines (B27B29/00 takes precedence {; arrangements for raising or lowering the feed rollers of gang saw mills B27B3/14; driving mechanisms for the feed rollers of gang saw mills B27B3/16}) · CPC title

• B27B1/002

  by cross-cutting (saw benches with non-feedable circular saw blades for cross-cutting laterally fed workpieces B27B5/228; cross-cutting reciprocating saws with power drive B27B11/00) · CPC title