OptiNest Manual
Contents
1. BSA_Makine 3 2 1 Unlimited Format BSA_Makine on stock New Center Wood 3 2 1 Unlimited Format 9 Center_Wood on stock France_Isol 1 Unlimited France_Isol on stock Delete Laser Cut 5 12 2 Unlimited Formats Laser_Cut on stock Rename Luxury _ Stairs 10 Unlimited Luxury Stairs on stock Dunca OmniPlastics 3 Unlimited OmniPlastics on stock TEEN Foly Fab Unlimited Foly Fab on stock Refresh 4 Sicam Unlimited Sicam on stock New Stock Open Folder Edit Stock Panel Laser_Cut Reference Quantity Dimensions Surface G 31 5 x 15 75 496 sq in Panel_Std_2 Unlimited 47 24 x 23 62 1116sqin 23 x 19 38 276 sq in 1 22 92 x 15 75 Unlimited 78 74 x 78 74 Reference Reserved Panels may have any shape described by a DXF polyline p 23 Off Cuts recovery The Stock Menu Edit Panels and Deduct Panels Commands which may also be launched from the corresponding icon apply to the current stock as defined in the optimization parameters When the Recover Off Cuts option is activated the panels deduction will first deduct used panels from the current stock then it will add to it all recoverable off cuts as defined by the below criteria Tools Options General Menu Options Panels Follow Up Recover Of Cuts Values beyond which an Off Cut is considered as lost Toolings Options _ Consider DXF Text Entities as Toolings Param tre de conversion des pobignes en polg2. IV 1 RECTANGULAR AND CIRCULAR SHAPES ENTRY The Rectangular Shape option opens the below left window where you may enter the piece two dimensions height and width The Circular Shape option opens the below right window where you may enter the radius of the circle which will be created New rectangular Piece Eg New circular Piece Width Height OK Upon entry circles will be defined with the polylines to polygons conversion parameter of the Tools Options General Menu p 20 IV 2 POLYGONAL SHAPES ENTRY The Other Shape option opens the Polygon Edit window common to both new polygonal shapes entry and existing polygonal shapes modification This window will allow you to define a polygon vertice by vertice either by its coordinates or by its relative position to the previous vertice and to insert delete or move any vertice Polygon Edit Vertices Add _Position Insert iad Previous Segment oa Next Segment Length 14 Edit one Width Grid Display Spacing Cancel Polygon Edit Aa fx Vertices x Position 333 Y_ Position Ange 80 00 Previous Segment Length E Next Segment Length 4 04 Edit Zone Width Grid Display Spacing p 21 V PIECES INDIVIDUAL PARAMETERS To each OptiNest II piece are attached the following individual characteristics Reference allows the piece follow
3. pieces import DAF Panels Import File Units Inches Sequences into Polylines 01 Keep initial Description i Convert Lines and Arcs Threshold Reference Use Layer Name as Reference Layers Pan DXF Entity Color Coordinates Circle White Black Circle White Black Pohdine ByLayer 1 243 7 148 Pohine White Black 1 449 44 256 k Other Entities DXF Entity Edit Stock Panel Laser_Cut Prionty Reference Quantity Dimensions Surface Off Cut 1 Panel_Std_1 6 31 5 x 15 75 496 sqin No 2 Panel_Std_2 Unlimited 47 24 x 23 62 111 sqin No 3 Curved 5 23 x 19 38 276 42 sqin No 4 Disk Unlimited 78 74 x 78 74 466627 sqin No Off Cut 1 3 582 16 x 400 17975545 No Quantity Reference New Corot ace Once the panel is imported it 1s displayed in the stock graphic panels list p 16 HI 3 NESTING MAPS DXF EXPORT Nesting maps generated by OptiNest II may be exported in DXF format in order to be transferred either to a CAD software or to a CNC cutting machine OptiNest II exports either all nesting maps simultaneously with the DXF Export File Menu Command or a a single nesting map with a mouse right click on the corresponding line then by confirming any button click Number Quantity Panel Pieces Outlines Toolings Perimeter Off Cuts Rate 1 4 Fi 500 0 x 300 0 60 60 325 11402 6mm 25 06
4. 2 4 f 500 0 x 300 0 ff ff ate 11931 3mm 30 66 3 1 400 0 x 250 0 55 5105 4 4 1 400 0 x 250 0 48 48 i92 goo7 DAF Expert Folder C Documents and Settings Admi Mes documents Export Panels and Pieces as Blocks Pieces Hlevation Corrections No Correction j Reversed Pieces Align to Panel Top Align to Panel Bottom Use a predefined Value Reversed Pieces Corrections Keep the initial Description Orientation Keep the initial Extrusion Direction Export Pieces References Cancel The Export as Blocks option exports each piece description one single time then desccribes each nested piece by a transformation translation and rotation This option is particularly interesting in the case of large quantities as it reduces extensively the exported nesting file size p 17 The Pieces Elevation Corrections option aligns pieces and their toolings to a given vertical level and distinguishes reversed pieces face change from non reversed pieces The Reversed Pieces option either inverts or keeps the initial course and extrusion directions This option allows the OptiNest II nesting maps transfer to software and CNCs which are not compatible with a three dimensions coordinates system Pieces toolings export The OptiNest II Usi version also exports pieces toolings positionned in the nesting map according to their initial positions Pieces toolings are stored with thei
5. and which will be used in order to facilitate the positioning search TF 629 Quantity 2 Rotation Yes Reversal Yes Surface 10 sq in 533 x 2 95 Quantity 2 Rotation Yes Reversal Yes Surface sq in 469 x 2 42 The three virtual pieces associated to a shape cf above are the convex envelope the bounding rectangle B_ Box and a polygon resulting from a low level smoothing In Partial use mode only the convex envelope will be considered p 12 If 3 ADVANCED PARAMETERS OptiNest II s standard algorithm is based on freely determined positions The following parameters introduce within a same calculus level nesting variations which favour positions located either within one of the eight panel regions 4 sides and 4 corners or in the neighbourhoud of the previous positioning Optimization Parameters Cutting Parameters Algorithm Parameters Advanced Parameters Preferential Placement Position Zone Panel Left Side Oow In the Neighbourhoud of In the Neighbourhoud of the last Placement the above Area J Minimum Ma imum Placement Zone Action Cutting Linear Action Save as default Parameters Load default Parameters Cancel The two below maps have been nested first with the standard algorithm parameters leading to freely determined positions left then by favouring positions in the neighbourhood of the panel top side right The Cutting Linear Action
6. default Parameters ox Load detauk Parameters Calculation depth This parameter defines the number of positions which will be tested and the anticipation level of the next pieces positionings before deciding for the current piece final position This parameter has a direct effect on the calculus duration The anticipation level is equal to 0 for positions 1 to 4 of the cursor 1 for positions 5 and 6 2 for positions 7 and 8 and 3 for positions 9 and 10 Position 1 of the cursor 12 pieces Position 4 of the cursor 14 pieces ps Pieces smoothing In order to improve calculus efficiency each piece 1s approximated by a polygon and with an approximation level defined by the smoothing factor When the cursor is in position 10 maximum no smoothing 1s applied to the piece In this case polygons will be used just as they are and polylines will be positioned with the initial description defined while they were imported Increasing the smoothing factor will lead to an increase of the polygons vertices numbers and the calculus duration but will generally also lead to improved results provided a sufficient calculation depth has been allocated In the above example nesting has first been calculated with the cursor in position 3 left diagram then in position 9 right diagram In the left nesting map the red discs did not fit inside the blue ones and the last two green discs did not fit in the panel right side
7. CY BOOLE PARTE GO CONSEIL EN SYSTEMES D INFORMATION EDITION DE LOGICIELS PROFESSIONNELS OptiNest II General Shapes Optimized Nesting x User Manual V 2 10 OptiNest LT Std Usi OptiNest II SUMMARY I INTRODUCTION I 1 Presentation I 2 Installation I 3 OptiNest Screen II OPTIMIZATION PARAMETERS II 1 Cutting Parameters II 2 Algorithm Parameters II 3 Advanced Parameters HI DXF IMPORTS AND EXPORTS III 1 Pieces DXF import III 2 Panels DXF import III 3 Nesting maps DXF export II 4 DXF layers selection IV PIECES AND PANELS DIRECT ENTRY IV 1 Rectangular and circular shapes entry IV 2 Polygonal shapes entry V PIECES INDIVIDUAL PARAMETERS VI PANEL STOCKS FOLLOW UP VII NESTING RESULTS p2 13 14 16 17 19 20 21 22 23 25 OptiNest II OptiNest for Windows is the sole property of BOOLE amp PARTNERS About OptiNest N OptiNest 2 10d Copyright Boole amp Partners 2002 2006 Active Version OptiNest 2 10d Toolings Version VCS J113 OMQY S2EL Boole amp Partners 11 me Albert Einstein Cite Descartes T7420 Champs sur Mame F Tel 33 1 64 66 07 OF Fax 33 1 64 66 11 64 E Mail infot boole eu Web www boole eu OptiSoft OptiNest OptiCoupe OptiPlace DesignSoft PolyBoard StairDesigner CalepiSoft CalepiBloc CalepiChute CalepiLight CalepiNum are the p
8. Red Keep initial Description Units Inches j Sah Red Use Layer Name as Reference Pieces import Options Add to Pieces List Outer and inner Quline Layers Pieces Grouping Group identical Pieces Disable Pieces Rotation L Disable Pieces Reversal Cancel This window includes the three following DXF entities lists The list of pieces corresponding to all selection criteria and which may be imported Preselected pieces are displayed in red and pieces which do not comply with the selection criteria appear in grey A simple click in this list switches selection to manual mode The list of toolings and inner outlines holes which will be imported in relation to the pieces they belong to The list of DXF entities which will not be imported Other entities p 14 Pieces DXF import options DXF Import Options Pieces import Options Replace Pieces List k Import Mode C One tooled Piece Pieces Grouping Group identical Pieces One or more Pieces _ Disable Pieces Rotation _ Disable Pieces Reversal Convert Lines and Arcs Sequences into Pohines Threshold 0 1 Keep initial Description Units bats m Use TEXT Entity as Reference Outer and inner Qulin Layers Pieces Toolings Layers Usi Ap
9. aced Pieces Number Quantity Off Cuts Rate Panel Pieces Outlines Toolings Pernmeter 1 3 2468 78 74 x 39 37 JH JH 0 4066 96 2 3 916 78 74 x 39 37 493 493 0 5195 82 37 3 11 93 78 74 x 39 37 478 478 0 5037 74 The Used Panels index displays the panels sum up used for this nesting and indicates for each reference whether it correspond to a new panel or to an off cut recovered from a previous nesting optimization Optimization Result General Placed Pieces Nesting Maps Used Panels Quantity Dimensions Sutace Off Cut 8 7 4 x 39 37 3100sqin No p 26
10. corners Arcs circles and polylines smoothing limit Upon their creation or importation these shapes are first converted to polygons on the basis of a reference coefficient corresponding to a minimum number of vertices per full circle 360 degrees and variable between 36 and 360 These polygons represent circular shapes smoothing limits p9 Pieces grouping The pieces grouping parameter generates couples of pieces with complementary shapes and uses the virtual grouped piece in calculus Groupings may be generated by using two pieces of either different or identical shapes The three following nestings calculated with the same piece illustrate this principle uick nesting without grouping 11 pieces uick nesting with grouping 12 pieces Grouping and smoothing 13 pieces In this last example the smoothed piece has been grouped with a more compact shape than the previous one enabling the positioning of one more piece p 10 Pieces Propagation OptiNest places pieces individually one after another and determines each new positioning taking into account the panel residual shape after the previous positioning The pieces propagation parameter completes the above one by one general principle and predetermines a single piece s best positions admitting it disposes of an infinite surface panel Theses positions will be evaluated by OptiNest II and compared to alternative positions The two fo
11. displayed p5 I 3 OPTINEST SCREEN After drawing or importing the shapes to be nested and defining their quantities and optimization parameters cf following chapters you just need to execute the Menu Optimization Command or to click on the Square Root icon in order to start calculus OptiNest II displays pieces positionings one by one and its screen looks as follows OptiNest 2 10d Toolings Version Mixed nst Le File View Stock Pieces Optimization Tools Language Window Help DSH Sf an Pieces Outines 15 75 x 11 81 16 TF 7829 Quantity 3 Rotation Yes Reversal Yes Surface 0m 3 08 x 2 18 Quantity 2 Rotation Yes Quantity 2 Rotation Yes Reversal Yes Surface 0m 469 x 232 TASB Quantity 2 Rotation Yes a OL Reversal Yes Reversal Yes Surface Om Surface 0 01 m 5 433 x 2 95 Panels Stock Mixed 11 deductions done On the screen left side is the pieces graphic list detailing each piece main characteristics Reference quantity rotation reversal surface l S N Placeme and Bounding Box dimensions H x L Placement A double click on any piece of this list opens a window allowing to modify its characteristics to display and delete its toolings and to edit the corresponding polygon add delete modify vertices In the upper right frame is the nesting maps list with the corres
12. ing maps BS p 4 I 2 INSTALLATION OptiNest II may be installed on any PC operating under Windows 98 Windows 2000 or Windows XP Pro with the InstallOptiNest exe file available on the CD supplied as well as on www boole eu Launching the InstallOptiNest exe file displays the following window Ff Installer OptiNest 2 10d Select Installation Langage GO Francais 2 English OptiNest 2 10d Installation E Espa ol E Portugu s BOOLE aes E ARTNERS Click on Next to continue You just have to follow instructions the installation procedure lasts only a few seconds Once OptiNest is installed you will be able to start it from the shortcut created automatically on your desk The following window will appear and OptiNest will work in demonstration mode until you enter the Activation Code that we shall send you Activation User Code V280 BVVJ KOZC BN4F Activation Code Demo Mode You will therefore have to send us your User Code by either Fax or E Mail IMPORTANT You must Uninstall OptiNest II before any intervention on your system or hard disk In this case you have to go through the Start Program Menu of your computer and launch the Boole amp Partners OptiNest 2 Uninstall OptiNest Command ATTENTION Do not forget to note the Uninstallation Code that will be
13. llowing maps have been nested with 50 blue pieces and 65 green pieces The propagation mode was first desactivated then has been activated for the second nesting _ Co ENN WQS e D dine i aS lien Fa F F ae 7 eS SS SS SS IM F7 A y Cao W WAV VON E wa i i i ae d a D i hi i i Here fam ena Hien Fin file Ria ge etn Fate Fata Fen hi Peal ASAIN RUGS Propagation mode activated All pieces were positioned The propagation mode is applied to the smoothed shapes ACE 7 When the smoothing level is very high the propagation identification of a complex shape may be given up if the calculus duration is estimated to be excessive p ll Cutting thickness mode OptiNest II takes the cutting tool thickness into account using one of the two following calculation modes Mode 1 left side first enlarges virtually both pieces and panels by a half cutting thickness then determines the positions of the virtual enlarged pieces assuming there are no additional cutting losses Mode 2 right side uses real dimensions and places each piece in the residual panel after deducting the cutting losses due to the previous positioning Mode 1 will generally favour simple shapes alignement while Mode 2 would rather lead to lower off cuts rates in the case of complex shapes Virtual pieces use For each shape to be nested OptiNest II generates three virtual pieces which contain the original one
14. ones Unrecovered off cuts are displayed in grey p 24 VII NESTING RESULTS After each nesting optimization OptiNest II generates several results displayed in the below window which may be opened either through the Optimization Result Menu or directly from the corresponding icon This window includes four indexes associated to the corresponding results categories Optimization Result Number of Nesting Maps Number of used Panels Number of placed Pieces Number of unplaced Pieces Toolings Number Outlines Number Total Outlines Length Of Cuts Rate Net Of Cuts Rate Optimization Duration 1305 1305 0 1305 0 1305 14302 52 15 25 VFS 00 03 07 The General index displays the main nesting global results and controls quickly whether all the nesting list pieces have been positionned Optimization Result General 1 a Placed 5 5 The Placed Pieces index displays graphically all the nesting list pieces files them off one by one and checks whether the requested quantity has been positioned p25 The Nesting Maps index recapitulates each nesting map main parameters When a nesting map contains tooled pieces the outlines and toolings quantities as well as the corresponding perimeters will be counted according to the options defined in the Nesting maps DXF export chapter Optimization Result Nesting Maps Used Panels General Pl
15. parameter will favour positions which minimize the total cutting linear required for the piece extraction Please note that advanced parameters effects have been limited to a certain extent p 13 HI DXF IMPORTS AND EXPORTS HI 1 PIECES DXF IMPORT OptiNest II imports in DXF format pieces which outlines are described Either by a closed polyline Or by a group of quasi joined threshold open polylines lines and arcs which will generate a closed poyline upon its importation In the nesting maps these pieces will be exported up to the user either as closed polylines or with their original DXF description Pieces toolings will be described by lines arcs open and closed poylines These DXF descriptions will be stored in OptiNest II then restored unchanged The Pieces DXF import Menu Command opens the following window enabling either an automatic or a manual selection DXF Pieces Import DXF Import Options Select Pieces to be imported Inner Outlines and Toolings import Mode DXF Entity Layer Color DXF Entity Layer C One tooled Piece Circle LATON_2_INFERIOR White Bla Circle LATO N_2_IN FERIO R D pa Circe Red Circle LATON_2 INFERIOR E One or more Fieces Polline Red Circle LATON 2 INFERIOR Pohdine Red Circle LATON_2 INFERIOR Polyline Red Circle LATON_2_INFERIOR Srna and Arcs Sequences into Ja Red a A TON INFFRIQR Threshold 0 1 Other Entities DXF Entity Layer Color Red
16. ply Non joined arcs The Import Mode option allows to import Either a single piece and all included toolings regardless of layer names If the file contains several pieces only one piece will be imported Or several pieces simultaneously In this case pieces and toolings will be filtered by the selected layer names cf DXF layers selection The conversion option permet converts quasi joined shapes into closed polylines provided that all defaults dimensions are smaller than the the threshold value In the above diagram the grey piece will not be imported because it includes two non joined successive arcs distant from more than 0 1 The associated Keep initial Description option restores pieces with their initial DXF description in the exported nesting maps The Reference option associates to each imported piece a reference corresponding either to its DXF layer name or to the first Text DXF entity 1t includes The other options are not related to the DXF format They allow either to add imported pieces to existing ones or to replace the latter and to define automatically pieces grouping rotation and reversal characteristics upon importation cf Pieces individual parameters p15 HI 2 PANELS DXF IMPORT The Edit Stock window Import button cf Stocks follow up opens the following window enabling the import of one or more panels in this stock with rules similar to the DXF
17. ponding data A double click on any piece of a nesting map opens the opposite window p Il OPTIMIZATION PARAMETERS OptiNest II optimization parameters have been grouped in three categories detailed in this chapter and corresponding to the three indexes of the below window I 1 CUTTING PARAMETERS These parameters determine The panels stock in which pieces should be nested Whether all panels formats should be tested and compared otherwise only the first available panel format will be used The cutting tool kerf minimum distance between pieces The panels trim cut thickness around the panels Optimization Parameters Cutting Parameters Algorithm Parameters Advanced Parameters Panels Stock Aquatall Test all Stack Formats Panels Trim Cuts Cutting Tool Thickness Save as default Parameters Load default Parameters The above diagram illustrates both the panel trim cut thickness along its border and the cutting tool thickness around nested pieces Hl 2 ALGORITHM PARAMETERS These parameters determine the levels and options of the calculus algorithm which will select the successive pieces positionings Each of these parameters is detailed and illustrated hereafter Optimization Parameters Calculation Depth Pieces smoothing E Pieces grouping ae Cutting Thickness Mode Virtual Pieces use Save as
18. r DXF original layer names then restored just as they are in the nesting map in DXF layers named identically and in the same relative positions to the pieces they belong to Toolings Options Consider Toolings as Outlines Param tre de conversion des polignes en polgones The Consider Toolings as Outlines option Adds closed toolings to the total outlines number Adds their perimeters to the total nesting map Number Quantity Panel Pieces Outines Toolings Perimeter Off CutsRate Net Off Cuts Rate 1 2 5 15 75 x 1L81 1 119 102 343 497 39 74 39 74 d 15 79 x 1141 15 105 g0 303 08 46 83 The above nesting map N 1 contains 17 pieces each piece including 6 drillings Open toolings lines and arcs are counted in the total toolings number but they are ignored in the outlines and perimeter totals p 18 HI 4 DXF LAYERS SELECTION In order to ease DXF layers selection upon pieces and panel import OptiNest II handles the following generic characters Semicolon allows a multiple layer name selection and is used as separator 9 between two successive layer names Asterisk replaces any number of characters and might be used in any position of the layer name beginning middle end Question Mark replaces one unique character but might be used in any position of the layer name beginning middle end Slash when it is placed in the beginning of a layer name excludes thi
19. roperty of BOOLE amp PARTNERS Windows is the property of Microsoft Corporation AutoCad is the property of AutoDesk Inc For any information or request related to OptiNest please contact BOOLE amp PARTNERS Tel 33 0 1 64 68 07 07 Fax 33 0 1 64 68 11 84 Mail info boole eu p3 I INTRODUCTION Preliminary General shapes nesting problems generate a large number of combinations and this number goes increasingly with the shapes variety and complexity This is why for duration reasons it is not reasonably possible to examine individually each of these combinations Therefore a nesting software will not always be able to identify the best solution but the more time is allocated to calculus and combinations are selected with relevance the better the final solution I 1 PRESENTATION OptiNest II is a nesting software designed and developed by BOOLE amp PARTNERS computer assisted optimization specialist since 1988 with the experience of several thousand software licences in use in over 30 countries OptiNest II is available in the three following versions OptiNest II LT Light version limited to polygonal shapes of no more than 10 vertices left example OptiNest II Std_ Standard version compatible with all outlines described by any polygon or DXF polyline right example OptiNest H Usi_ Toolings version stores each shape holes and toolings and restores them in the nest
20. s layer name from the selection The followmg example illustrates the use of the above chararcters by simulating the DXF import of the below six pieces which could all be selected with an empty or entry DXF Entity Layer Color Coordinates Pohfine Pl_1 ByLayer 1 490 62 4 Pohfine NF ByLayer 1 233 44 9 Pobline Pl 2 ByLayer 1 882 3 0 Pohine PI 1 ByLayer 1 237 33 3 Pohfine Pl 3 ByLayer q 77715 3 Pohdine 20 Pl White 1 516 02 1 The left diagram corresponds to the PI entry which selected the five pieces in layers PI 1 PL 2 and PI 3 excluding the single piece in layer NP The right diagram corresponds to the PI 1 PI 2 entry which selected the four pieces included in theses two layers and excluding the two pieces in layers PI 3 and NP p 19 IV PIECES AND PANELS DIRECT ENTRY OptiNest II allows a direct entry of pieces outlines having either a rectangular a circular or a polygonal shape In its current version OptiNest IT does not allow the direct entry of polyline arcs and pieces toolings In order to enter a new piece you just need to open the below Pieces List window left from the Pieces Edit Pieces Menu Command then click on the Add button This button opens the right window where you may define the piece type you wish to enter Rectangular Shape Circular Shape Other Shape
21. up along the production process Quantity defines the total number or identical pieces to be nested Rotation parameter defines rotation rights among 4 possibilities Reversal parameter specifies whether the piece can change face Reversal is done around a vertical axis Color facilitates pieces visual classification by category Default parameters defined upon DXF import may be changed Pieces List 1 Total Quantity 100 Eg 1 g Reference XP 433 Quantity 100 Mobility All Rotations v Reversal 1 B Reference LEATHER ssid Quantity 1000 Mobility Al Rotations No Rotation 180 Rotation 90 Rotation Rotation parameter selection p 22 VI PANEL STOCKS FOLLOW UP OptiNest II is both multi stocks and multi formats Multi Stocks It handles simultaneously several panel stocks Multi Formats Each panel stock includes one or several formats The Stock Panels Stocks Menu opens the following window which displays all available panel stocks and for each stock the number of formats and panels A right click on a panel stock displays a contextual menu allowing to edit delate rename or duplicate this stock Panels Stocks x Number of Formats Number of Panels 4 Unlimited Aquatall on stock Brussels Laser 2 Unlimited Brussels Laser on stock Edit
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