AutoPanelSizer

generates optimized cutting plans for panel-sizing saws

AutoPanelSizer

takes into account destacking restrictions and production sequences

AutoPanelSizer

offers various setting options to adapt to given machine characteristics

AutoPanelSizer

reduces production time and costs

AutoPanelSizer

ensures more efficient material usage

AutoPanelSizer – Optimized Cutting Layouts for Panel-Sizing Saws

Software Description

 

The AutoPanelSizer ­software determines optimized cutting layouts for the ­production of rectangular parts from rectangular raw material and minimizes waste, production times and manufacturing costs. ­AutoPanelSizer generates layouts that can be produced with straight, ­continuous (­guillotine) cuts. In case of ­interlinked plants, the maximum number of cutting stages is taken into account. ­Thereby, the software models a common cutting ­technology, applied in the ­machining of wood and also in the glass, metal, and plastics manufacturing industries.

AutoPanelSizer can compute layouts with recuts after the last stage and head cuts in the first stage (see examples). The software is able to comply with miscellaneous constraints ­given by machine or material properties.

Available remainders and various sizes of raw sheets can be included in the ­optimization. The computation of a typical ­cutting layout takes from only a few seconds to just a few minutes.

Impact on production

In the optimization process, the software considers both production times and ­manufacturing costs. It can off-set time-­consuming processes, such as head cuts or the storage of remainders, against a more efficient material utilization. By ­combining identical cutting plans into ­packages, ­simultaneous cuts are feasible thereby reducing production time. ­AutoPanelSizer offers various possibilities to control the generation of such package cuts.

Furthermore, each part to be produced may be assigned to a part group. This allows for destacking restrictions as well as ­requests regarding a production sequence to be taken into account. In connection with part groups, the optimization can also be carried out across different material types.

Cutting layout with optional parts, head cut and parts with recuts.
© Fraunhofer SCAI
For this cutting layout AutoPanelSizer uses optional parts (dark blue), a head cut (orange) and parts with recuts.

Anticipatory planning by optional overproduction

In AutoPanelSizer, parts may be declared as required (compulsory) or optional. The former have to be placed on the cutting layouts, the latter are only placed if they fit well and improve the yield. For example, parts that are needed the next day can be declared as required, while parts that are needed later can be declared as optional. This anticipatory production improves the efficiency of the cutting layouts and reduces the overall material consumption.

 

Software

AutoPanelSizer is distributed as a pure optimization kernel. It is designed to be integrated into other applications, e.g. plant control or ERP systems, through an XML-interface. Alternatively, AutoPanelSizer can be employed via a file interface or as a server application. The software is available for all current ­Microsoft ­Windows PC operating systems. Based on the latest research results, Fraunhofer SCAI constantly improves and enhances AutoPanelSizer. AutoPanelSizer benefits from the expertise of the institute in optimization.

Cutting layout with destacking restrictions
© Fraunhofer SCAI
AutoPanelSizer computes this cutting layout in 0.3 seconds. It has been taken into account that only 3 destacking spaces are available. Parts with the same color must be destacked together.

Features

Optimization

  • Consideration of production times and manufacturing costs
  • Balancing time-consuming processes against yield improvement
  • Optimization across multiple material types
  • Adjustable runtime and optimization strength

Machine

  • Generation of guillotine cutting layouts
  • Limitation on the number of stages
  • Minimum and maximum lengths of cuts and saw feeds
    • for strips, parts, identical strips and end sections
    • for mapping restrictions caused by machine widths, transport devices, suction cups, grippers, pressure beams, etc.
  • Setting the feed direction
  • Horizontal and vertical kerf
  • Trimming at the sheet edges
    • individually adjustable for each side
    • Trims for head cuts

Material

  • Length and width
  • Individual availability
  • Marking as remainders
  • Consideration of grain

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Parts

  • Required and optional demand
  • Consideration of grain
  • Part groups
    • for specifying a production sequence
    • to model destacking restrictions

Head Cuts

  • Sizes of the sectional plans
  • Limitation on the number of head sections
  • Off-setting against yield

Remainders

  • Minimum and maximum size
  • Off-setting against yield and optional parts
  • Separate settings for head and main plans
  • Preferred use of existing remainders

Recuts

  • Maximum and minimum length of recuts
  • Trim on the opposing side of the recut
  • Restriction of recuts to one side of the part (length or width)

Package Cuts

  • Maximum number of sheets
  • Off-setting against yield

Related Software

 

AutoNester

AutoNester-T is a software package for automatic marker making on fabrics, sheet metal or wood. It is widely used in the garment and upholstery manufacturing industry.

 

AutoBarSizer

The software AutoBarSizer generates optimized layouts for the cutting of stock items, namely steel profiles (metal beams) and other bars and rods, into shorter pieces.