Notice d`utilisation d`OPTIMA
Contents
1. Capabilty 0 432 ve 18 To use this option you must have entered or transferred actual chemical analyses spectrometry In addition to the control chart OPTIMA calculates the mean spans standard deviations capabilities and Cpk for the period indicated and displays them at the bottom of the window Note Cpk is given as an indication provided the law is normal and that the number of samples is sufficient Calculation of yields The Calculation of yields function studies the various charges recorded in the log in the specified period to deduce yields for each chemical element contained in the master alloys ferro alloys or pure metals They appear in a tree as shown below Calculation of yields 8 x The arborescence below presents the returns which were able ta be calculated Close from the information af the meltings El Haw materials E AP Ferro chrome suraffin Cr E Database yield 2 E Calculated yield 2 Recommended yield 3 x wf 36 006 Update the database with the Update recommended yields The Database yields are the current values specified in the raw materials database The Calculated yields indicate for a given material and alloy the experimental values deduced from analysis of the charges in the log The recommended values are the means of the calculated values You can if desired modify the recommended values by clicking on them Click on the Up2. example to update the prices To do this select the material concerned in the left hand list then click on Modify Enter the desired fields and click on OK to validate To print the status of your stock click on the Print button Entering and defining the alloys to be prepared The alloys to be prepared just like the stock of materials are kept in a database so there is no need to re enter the minimum and maximum contents of the elements of your metal and the list of ingredients for each charge calculation An alloy is defined by e its name e its analysis and its ingredients for the charges and the mixture e its analysis and its ingredients for bath corrections Note that ingredients raw materials and ferro alloys or master alloys are selected in advance for each alloy to be prepared This restricts the calculation with respect to the possible ingredients to constitute the charge or bath correction Example for a bath correction you want to do the calculation with SiC not FeSi and graphite To make entries in the alloys database click on the Alloys button at the bottom of the main screen The commands are identical to those for management of the stock Given the risks of dispersion in chemical analysis especially when used metals are recycled often in batches that are heterogeneous mixtures and of drift of the weighing instrument Optima proposes two target chemical analyses one use to calculate the char
3. ctif optima bd e Start the update utility Start menu Programs Optima Update data base Presentation What is OPTIMA for OPTIMA software calculates a charge having the lowest possible cost for the preparation of a given alloy The chemical composition of the alloy given in the form of a range determines the choice and tonnage of the raw materials necessary for the melting The cost of this charge will be minimized for a given stock of raw materials and returns and given melting losses OPTIMA lets you impose levels of use min max between for the raw materials so you can in particular favor the use of certain returns in the charge The system performs the calculations using two databases one for the alloys and the other for the raw materials of which it manages the stocks In addition to the classical charge calculation OPTIMA also calculates the correction of the chemical analyses of the baths using the result found by spectrometry The chemical compositions found are recorded in a melting log that can be used for statistical purposes The charge optimization principle OPTIMA uses the Simplex method to calculate the least expensive charge from which the alloy can be made given the constraints introduced by the user The latter can be of two kinds e The constraint of the weight of alloy to be made Given the various melting losses raw materials and various additions Optima adjusts the proportions of the ingred
4. on the Optima icon you placed on the desktop when you installed the software The following screen appears OPTIMA Charge Calcul Management Administration Help 10 x _ Charge calculation 4 Spectro Optimum charge Raw matera Enteedig Entered Dumas Alloy Melting losses Yield Targeted analysis calculated Entered tonnage Output tonnage Cost Validate Database management Raw materials Adding raw materials to the database To enrich your database click on the Raw materials button at the bottom left The following dialogue box is displayed At this stage you can enter information concerning the materials Materials management E Family all Analysis of Soarch po acier ETC al Name Cost t Stock kg Elt Rate Yield YieldC dacier EIC 122 00 E 0 20 100 00 100 00 acier E40 145 00 qu Si 0 15 100 00 100 00 acierE 150 00 3926 1 5 0 01 10000 100 00 bainFGL 210 00 1000 0 n 0 03 100 00 100 00 bainFGS 280 00 1000 0 Mn OSO 100 00 100 00 coke de p trole 450 00 141 3 Ma 00s 100 00 700 00 Cr pur boulets 10060 00 250 0 iH Jus HH HU Cu 2480 00 q00 0 Cr 0 06 100 00 100 00 Cuts 1577 UD DEB Cu 0 12 100 00 100 00 Fe Cr carbure 7170 00 1000 0 Fe Cr suraffin 915E Z 170 00 252 0 Fe Ptypel 2400 00 150 0 Fe S Pyrite 1660 00 99 9 Fe Si 75 915GE 1100 00 200 0 fer pur origine 620 00 3000 0 fe
5. to manage the stock of raw materials master alloys pure metals and ferro alloys and the grades of alloys prepared The raw materials of the stock are displayed in a table for their management For each material there is a form in which the user specifies the price the current stock and the contents of the chemical elements The yield is used to allow for possible melting losses on some elements The management of the alloys 1s organized along the same lines and it 1s very easy to add modify or delete an alloy 1n the base All charge calculations that have been validated by the operator are recorded in the log It 1s therefore easy to retrieve the details of meltings performed on a certain date OPTIMA software provides the possibility of editing statistics on the consumption of the raw materials over a given period The various calculations in OPTIMA OPTIMA performs charge calculations and from version 2 allows calculations of bath and mixture corrections The charge calculation In OPTIMA the charge calculation 1s the calculation of the solid charge initially put into the furnace The bath correction The bath correction calculation for its part minimizes such ingredients as ferro alloys pure metals and master alloys to be added to a bath of known composition and tonnage to bring its chemical analysis into the required intervals The user must first enter a chemical composition to be obtained after melting Remar
6. 7 29 FGLaos06020M 11 06 2002 Fonte GLZ alli e 197 29 FGLa0706020M 08 06 2002 Fonte GL alli e 197 29 mur The log can be consulted at any time by clicking on the Meltings button of the main screen This means that you can consult the details of meltings on a given date by double clicking on the relevant line in the list Consumptions To learn the consumption of each raw material during a given period click on the Consumptions button If you want to perform the calculation on all meltings do not enter the date fields Click on Calculate to display the results in table or graph form 17 4 statisti ial x Raw materials consumptions between oa 01 03 02 and 30 04 02 amp pb Print HL Close Graph Table l Tonnage B Expenses fer amp RMCO randd8 Ferra chrarme Ferra chrome suraffin Ferro manganese Ferro molybde ne Ferro phozphore Ferroa ailicium Fonte Br sil pour GS Fonte Ruzze Hematite recarburarnt Vieille tonte F1 Vieille ftonte VF2 Control charts The Control chart function lets you track in graphic form the evolution of the content of a chemical element in an alloy over a given period iol x Alla Element between Fonte alli e Cr Ni I 12 06 02 d eb Print Close Graph of Nickel of alloy Fonte alli e Cr between 12 06 02 and 12 06 02 Spectro 931 2 2 E D e x un Average 0 157 Area 0 100 Standard deviation 0 039
7. OPTIMA version 2 02 User manual OPTIMA B x Charge Calcul Management Administration Help Targeted analysis calculated Alloy Fonte GS 700 2 Melting losses 0 0430 2 Yield 1 0004 Entered tonnage 15 0 kg Output tonnage 15 0 kg Cost 207 38 t Charge calculation spectra Optimum charge LJ Validate acier ETC 04 2 83 2 83 63 00 83 03 PG DI recarburante 3 14 3 14 Ferra silicium 2 61 2 61 Ferra malubde amp ne 0 10 0 10 Cuivre 0 51 0 51 100 00 100 04 Database management Raw materials Meltings Installation and configuration Minimum configuration required Hardware Operating system Installation on a single workstation Network installation Update from version 1 0 Presentation What is OPTIMA for The charge optimization principle The constraint of the weight of alloy to be made Constraints on the alloy to be made Constraints on the proportions of materials in the charge Allowance for melting losses The databases The various calculations in OPTIMA The charge calculation The bath correction The mixture calculation Networked use How to use OPTIMA Starting the software Adding raw materials to the database Entering and defining the alloys to be prepared Starting a charge calculation Recording the charge to start a melting Starting a bath correction calculation File format Starting a mixture calculation Meltings log Consumptions Control charts Calculat
8. date button to update the raw materials database with the selected yield values preceded by the sign To avoid updating certain yields unselect them by double clicking on them OPTIMA uses the sign to indicate yields that will not be updated Administration The Administration menu lets you parameterize various aspects of the software In the case of network use only Administrator users have access to the parameterizing Users In the users window you indicate who is authorized to use OPTIMA and under what conditions To add a new user Click on the last line of the table Press the down arrow key to create a new line Enter the name and the password Click twice in the Status box to display the list as shown below JULIEN titi Administrator DA SILVA Hag Read only a LARCHER zep Administrator a Read only Administrator complete access Operator calculation and validation Read only read only e Select the desired mode then validate The passwords are optional In the example above a line without a name and without a password allows anyone to use OPTIMA 1n consultation only Read only mode To delete a user click on the line concerned then press the Ctrl Del keys Families It is possible to classify the raw materials by family and so facilitate management of the stock You can for example organize your stock into three families ferrous light and copper To do this befo
9. g or failing to reach the desired chemical analysis as a result of mixing For this reason you should not hesitate to decrease or increase the desired final weight in order to approach the limit threshold of the mixture satisfying your expectations For example on a heel of 150kg the calculation succeeds for 206kg of mixture but is impossible at 205kg Networked use This new version makes it possible to use OPTIMA on several computers sharing the same database Three user profiles are available they allow access to different functions of the software The highest level 1s the Administrator mode The Administrator user has access to all of the software and can modify the stock of materials and the alloys database perform calculations and validate them store spectrometric analyses etc Also only Administrator users can configure the software The Operator user cannot modify the raw materials or the alloys of the data base or configure the software but can perform calculations validate them and store spectrometric analyses Finally the Read only user 1s allowed only to consult the database and use the information in the log statistics control charts etc but cannot validate calculations or record spectrometric analysis How to use OPTIMA Starting the software You can start OPTIMA in two ways e Click on the Start button of Windows select the Programs menu Optima then click on Optima e Double click
10. ge the other to reach exactly the chemical analysis required in the castings to be produced after the melting of the solids This operation therefore lets you define a first target analysis in which the elements may limited by the default values or a broader interval allowed In addition to the control chart OPTIMA calculates the mean span standard deviation and capability for the period indicated and displays them at the bottom of the window The example below illustrates the operation proposed by Optima Definition of SiMo cast iron for the charge and mixture calculations fi Aloy loj x Nene fffPETIB v OK X Cancel eem Modify the raw materials list Charge Correction Indicate in this page the targeted analysis and the materials being able to participate in the elaboration of the alloy when calculating a charge or a misture l Eonetratt Suppress the constraints Analysis HA min max Fonte neuve acier ETC acierE B recarburantB Ferra silicium Ferra malybd ne Fonte origine 1 pa 2 10 0 Graphite coke de p trole Ti Delete Definition of SiMo cast iron for the bath correction calculations Indicate in this page the targeted analysis and the materials being able to participate in the elaboration of the alloy when calculating a bath correction LEGITTETETT EI STOTIITES SS me canetas Fonte neuve Si 5 ss ns Mal s ow o Ferra phosphore Ferro mol
11. he calculation and update the stocks of materials click on the Validate button Warning this validation removes the materials used from stock modifying the materials database OPTIMA studies the status of the stocks to make sure that the quantities of materials chosen by the calculation are in fact available If this is not the case a window like the one shown below is displayed to alert you Materials in insufficient quantities X Attention eb Print The following materials are in insufficient quantities to realize the charge Stock in ka Materials current nessecary Fonte neuve 204 0 acier ETC F48 8 Do you want to begin again the calculation by taking inta account constraints of stock Af Yes OPTIMA displays those materials of which the quantities are insufficient and proposes repeating the calculation with the constraints on the relevant materials fixed automatically If you click on Yes the calculation screen reappears Charge calculation E Bi x Targeted alloy Faw materials Be i Modify the raw materials list Calculate Alloy Fonte GL1 Melting losses 0 1742 Constraint Suppress the constraints l Calculation in process eld 1 0017 A Cancel Constraints Calculation finished EL LL ki Output tonnage 100 0 kg ii Calculation impossible J Cost 185 14 t p Print Cea REST acierES recarburantB Calculated analysis 2 Optimal distrib
12. i If a new spectrometric analysis reaches you e Return to the main screen and start the Spectro function of OPTIMA e As before enter the analysis then validate In practice a melting may include a charge and several successive corrections 25 Tips for use To use OPTIMA effectively comply with the following principles Only raw materials that contain no elements other than those defined in the target alloy are included in the calculation Recommended proceeding The steps 1n the work should be organized in the following order constitute your inventory of raw materials create the database of alloys to be prepared by selecting the materials and possible or acceptable additions mention your constraints etc Avoid entering overly broad ranges for residual chemical elements since there would then be a risk of unexpected contamination In the case of the major elements on the other hand if the ranges are made too narrow the calculation may not conclude If in your analyses you do not specify the content of the predominant element e g iron in a ferrous alloy and if the element has melting losses indicate the yield value in the Options Yield on elements not mentioned menu The default value is 100 The software does not take the state of stocks into account in the calculation It is only when the user decides to validate it that OPTIMA checks if the theoretical charge can in fact be made If n
13. ients so as to attain the weight the producer wants e Constraints on the alloy to be made The alloy 1s made up of a number of chemical elements up to a maximum of 15 1n Optima for each of which the user specifies minimum and maximum contents For example a cast iron having the chemical composition E uoo S P Mm Mn 3 33 1 95 0 05 0 00 0 40 m 0 50 e Constraints on the proportions of materials in the charge When the user chooses a target alloy OPTIMA calls up the list of raw materials to be used to make it It 1s possible to impose levels of use on these materials For example it may be desired that the charge should contain at least 30 chips between 5 and 8 Cobalt an no pure copper The corresponding constraints are Chips gt 30 96 5 lt Cobalt lt 8 9o Pure copper 0 e Allowance for melting losses OPTIMA makes allowance for the melting losses that can affect some chemical elements during melting For this purpose a yield is assigned to each chemical element of a raw material or of an addition made at the time of charging 100 1s the default Concurrently correction yields Rdt C are used to allow for melting losses when ferro alloys are added to a liquid bath In the case of implicit chemical elements such as iron in ferrous alloys OPTIMA lets you introduce a Yield on unmentioned elements Ro Administration menu Options The databases The software includes two databases used
14. ion of yields Administration Users Families Options Example of application Tips for use Possible problems oc oo CON 10 090 A Ont Un a A O WD WWW WwW E m Ww N o j ON Un p N p p L m WO co wa J NNN r2 O N N N N A N Installation and configuration Minimum configuration required Hardware PC 200MHz Pentium with 32MB RAM and 20MB free space on the hard disc CD ROM drive 800x600 screen 256 colors Operating system Windows 95 98 Me NT4 2000 XP Installation on a single workstation Insert the CD in your CD ROM drive Follow the instructions displayed on screen starting the application Start the program by double clicking on the icon The installation program starts automatically If not double click on Setup exe After installation you can drag the Optima shortcut icon onto the desktop to facilitate e A message informs you that the software is protected by a key To unlock it contact CTIF which will provide you with the required unlocking code Network installation OPTIMA is designed to be installed on several networked computers The various machines running OPTIMA are connected to the same database which must be accessible from all of the client workstations so the best solution is to install it on the server Create a shared directory on the server accessible to future users For example V BdOptima For each installation of OPTIMA on a workstati
15. k the spectrometric data can also be transferred directly to Optima if the format of the computer file is suitable See File format on page 16 In this calculation option the yields taken into account are the correction yields Rdt C not the classical yields Rdt Optima 1s designed to be installed on a melting platform notably as a means of dealing with repetitive corrections of baths of liquid alloys The mixture calculation The mixture calculation 1s a response to preparation needs when use 1s made for example of the Tap and charge charging mode in a low frequency furnace or of a channel type casting and holding furnace in which the producer mixes the heel and the ladle In other cases it may be applied to a solid charge in a liquid bath to change the grade Examples of situations Bath of stored liquid alloy with analysis A solid charge with analysis B bath with analysis C Bath of stored alloy with analysis A liquid with analysis B Bath with analysis C The mixture calculation gives you the weight of the ingredients or the analysis of the liquid bath to be added to an initial bath to obtain a final bath The bath 1s supposed to have no impact on economic calculation so Optima does not cost it Important remark the final weight resulting from a mixture heel solid or liquids A B determines in particular the final resolution of Optima In effect the proportions added to the existing bath lead to reachin
16. lick on Yes details of the charge are displayed 23 Melting management 1000 0 Consumptions Control chart Calculate yields 20712702 14 57 00 CN2512 Charge composition Tee TA FeCr 0 060 22 01 10200 00 FeLr Carbur 326 10000 00 FeMn Carbur 0 30 3270 00 FeSizl 0 84 2310 00 330r 49 09 1550 00 3545 TN 35 15 24 43 38850 00 Total 1000 0 100 00 100 00 You have just made a spectrometric measurement of your bath e Click on the Spectro button of the main screen e Select Bath correction then melting f2836 e Enter the analysis x c Spectro for Bath correction C Mixture Cancel Melting t2836 Targeted alloy CN2512 Bath analysis 76 Targeted analysis 75 Validate by OK When the calculation screen is displayed click on Calculate then OK 24 You return to the main screen Click on Validate then confirm by Yes to record the correction in the log The log opens on the details of the bath correction of melting f2836 Fa zd EDITT EIE management Bl 20 12 02 Serer c and kon komt vid Cost S Charge 1000 0 1000 0 1 0000 12818 85 1007 7 1007 7 1 0000 35 2 Consumptions Control chart Calculate welds 20 12 02 15 01 00 CN2512 Charge composition 0 00 10000 00 1670 00 12500 00 4350 00 1000 0 1 3 3 9 0 6 1 3 Bath FeLr Carbure Fonte Sid tal Sikr
17. match the target analysis OPTIMA proposes a bath correction calculation As for a classical charge calculation click on Calculate If the results suit you click on OK to return to the screen main You can then Validate the correction to update the stocks and record the operation in the log Quality assurance and metallurgical imperative We felt that the correction of chemical analyses required the same validation as the removal of materials from stock 1n order both to constitute statistics on the actual chemical analyses that led up to the pouring of the castings and to constitute a check of the actual values by the operator before pouring For the bath correction Optima becomes a tool for the checking and release of the prepared baths several bath corrections can be performed in a single melting Starting a mixture calculation To perform a mixture calculation proceed as for the bath correction by clicking on the Spectro button on the main screen select the Mixture option then the melting concerned Enter the analysis measured by the spectrometer or imported from a file Click on OK to validate The calculation window is displayed and prompts you to enter the total target tonnage to result from the mixing Click on Calculate to start the optimization calculation If the results suit you click on OK to return to the main screen You can then Validate the mixture to update the stocks and record the opera
18. on you must e When a database destination 1s selected indicate the path on the server In our example V BdOptima e Click on the Start button of Windows select Parameters Configuration panel BDE administrator A window like the one shown below 1s displayed In the NET DIR field in place of C specify the location of the database in the network In our example V BdOptima 3 Administrateur BDE C Program FilessBorlandCommon FilesXBDEMD B x Objet Edition Vor Options Aide Co X gt Cx Pilotes et systeme D finition de PARADLUS Bases de donn es Configuration D finitian Em Configuration MET DIF er Pilotes VERSION 4 0 By Nati TYPE FILE 0 tg PARADOX LANGDRIVER Pdox ANSI Intl Be BLOCK SIZE 2048 Z FILL FACTOR 95 ies LEVEL T z STRICTINTEGRTY TRUE w al Systeme Emplacement du fichier de cantr le du r seau de l application POOKUSAS MET Update from version 1 0 If you use version 1 0 of OPTIMA you can recover the information from your old database to use it with version 2 0 To do this proceed as follows e As a precaution make backup copies of the files from your OPTIMA 1 0 database c program files ctif optima bd V on a disquette or other medium e Exit from OPTIMA if it is in use e Uninstall version 1 0 Configuration panel Add Delete programs e Install the new version specifying an access path to the database that points to your old database c program files
19. ot OPTIMA proposes constraints to be entered on the raw materials The correction and validation by Optima of the chemical analyses are necessarily subsequent to the validation of a charge In this way each entry or transfer of a chemical analysis result 1s tied to a melting number For a melting platform that works with a single charge but prepares several grades each alloy bath for which there is a check of the chemical analysis must be preceded by a validation of the calculation of a charge This operation does not interfere with the work of operating furnaces on a melting platform since calculation times 1n Optima are short a few seconds 26 Possible problems The charge calculation in Optima failed how can this be remedied In this case where the indicated analysis cannot be reached you must proceed by trial and error e Modify the tolerance on a chemical element for which you can be less demanding e The materials selected for the calculation do not provide enough possibilities of adjustment of the many parameters of the chemical analysis Add more materials e Some constraints on proportions that you have selected are incompatible and the calculation fails to converge Remove a constraint or broaden its threshold e Residual elements are bounded by very low maxima but the raw materials contain more of them Modify your maxima on the residuals 2
20. r pur rondi 6 620 00 5000 0 Ferro chrome fbee O0 440 0 Ferro chrome surattine 170 00 42 4 Ferro manganese 488 00 360 Mumber 43 We Create J Delete db Print A material 1s characterized by its name its price the quantity in stock and its chemical composition For example to enter the data concerning a cast iron click on the Create button and fill the entry fields as follows When you enter a new chemical element its content and yield are initialized to 0 and 100 respectively so you have no need to enter the yield for an element that exhibits no melting loss Warning for OPTIMA to be able to use the material in the calculations make sure that you have not specified chemical elements that are not desired in the alloys to be made x Name EEAS cc NNNM Haw materials Z Cost 122 00 t X Cancel stock n keg l Analysis X Rate rield rield C 100 000 100 000 100 000 100 000 100 000 100 000 100 000 100 000 100 000 100 000 100 000 100 000 100 000 100 000 100 000 100 000 100 000 100 000 Important indicate in the arid only the chemical elements necessary for the calculation nat residues You can also edit or delete a chemical element in the analysis form by selecting the line then clicking on the Edit or Delete button Click on the OK button to record the new material in the database Similarly you can modify the information concerning materials already recorded for
21. re entering data in your raw materials database select Families in the Administration menu Fill the table as shown below 20 Materials Families x Ferreux L gers Curves Ferreux cubilot El Cancel The entry principle is the same as for entry in the table of users Subsequently when you create a material you will select the family to which it belongs Options The Options window concerns the general settings of the software You can increase or decrease the number of decimal places in the analyses and tonnages displayed in the various screens de activate management of stocks etc In the case of implicit chemical elements such as iron in ferrous alloys OPTIMA lets you enter a default Yield on elements not mentioned Ro equal to 100 21 Example of application You want to perform a melting to produce 1000kg of CN2512 alloy without using SiMn In the main screen click on the Charge calculation button The calculation window appears In the Target tonnage field enter 1000kg Choose the CN2512 alloy in the pull down list of target alloys OPTIMA searches the alloys database for the composition of the metal and displays it as follows You can modify the ranges by double clicking on the line of the element to be modified or by selecting the line then clicking on the Edit button Targeted tonnage 1000 kg Targeted alloy Targeted analysis Rates 74 mini maxi e Selec
22. t the Raw materials tab to view the list of raw materials likely to be included in the charge Double click on the line where SiMn appears to impose a level of 0 27 a 45CrNI35 15 3 BLINIT8 8 as 45CrMI25 5 axbUrMiMaT8 8 a 3r GE230 s rie 1 25M niklob Fehn Affine Febin Carbur FeSizl FeCr Carbur FeCr ULUZ EL FeCr 0064C FeCr 0034C FeMn Feva FeNb Few Nickel Cobalt Mni tal SiM tal Click on the Calculate button The results of the charge calculation are displayed Click on the OK button To record the melting in the log click on the Validate button OPTIMA warns you that the stock of GX45CRN125 6 is 100kg and that the charge requires 594kg of it Click on Yes to repeat the calculation with allowance for this stock constraint The calculation screen reappears and you can see that OPTIMA has itself fixed GX45CRNi125 6 lt 16 7 Click again on Calculate OK then Validate The software now reports that the new calculation requires 95kg of GX30Cr7 but the stock is only 80kg Repeat the calculation by clicking on Yes Calculate OK and Validate Since this third calculation is compatible with the stock OPTIMA asks you for a melting number in order to record all data in the log and update the quantities in the database Melting number e836 Date 20 12 02 1457 Do you want to save this charge In this case stocks will update automatically When you c
23. tion in the log Meltings log When a charge calculation is validated OPTIMA asks you for a number and a melting date that will be recorded in the log with the details of the charge of the alloy of the cost and of any constraints This part is very important since the quality department can used it to ensure the traceability of the alloys cast Optima can store up to 1000 meltings Beyond the oldest data are lost It 1s recommended to save regularly the data base on a diskette or any other storage medium Heltings management E 1 io Number Date 3 Ficr2106020M 20 06 2002 Fonte alli e Cr 1 0036 Ftcre006020M 20 06 2002 Fonte alli e Cr 1597 83 12 08 2002 Fonte alli e HCr 3720 61 Ftcr B B02 OM 12 08 2002 Fonte alli e Cr 1720 45 Ftcr B BO2OM 12 08 2002 Fonte alli e Cr 1592 18 Ftcr 506020M 12 06 2002 Fonte alli e Cr 1723 52 Ftcri 40602084 12 08 2002 Fonte alli e Cr 1592 16 CES Ftcri 306020M 12 08 2002 Fonte alli e Cr 1805 00 Ficri 206020M 12 08 2002 Fonte alli e Cr 1668 02 Ftcri106020M 12 06 2002 Fonte alli e Cr 1504 54 07 06 2002 Fonte SiMo 372 34 FNiR amp D7DB02OM 07 06 2002 Fonte Nir sist 2398 28 FSiMoo706020M 07 06 2002 Fonte SiMo 372 34 FGS30706020M 07 06 2002 Fonte GS 5007 180 66 FGS 0706020M 07 06 2002 Fonte GS 7002 207 98 FGS10706020M 07 06 2002 Fonte GS 400 15 196 90 FGS0706020M 07 06 2002 Fonte GS 400 15 213 88 FGLa030B02OM 13 06 2002 Fonte GLZ alli e 19
24. ution ofthe charge Ferra chrame Ferra silicium Ferro manganese Fero phosphore Ferro molvod ne Vieille Fonte YF 1 Ferro soutre Cuivre 6 0 acier ETL acierEB recarburantB Ferro silicium Ferra manganese Ferra saufre 100 2 100 00 100 17 Click on Calculate then OK 14 o Output tonnage 1000 6 kg 5 em Cost 182 88 t P Mn Mi y Enea Oupa 5 11 36 11 37 T B2 3t 82 34 If the stocks are sufficient your calculation is recorded in the log otherwise restart the calculation by clicking on Yes Click on Validate Starting a bath correction calculation To make a correction you must first have validated a charge calculation with a melting number From the main screen click on the Spectro button The following screen appears Spectro analysis X cpectrofar Bath correction Mixture Cancel Melting zi Targeted allow Bath analysis 5 Targeted analysis 72 WE Check the Bath correction option Select the melting concerned Enter the bath composition determined by the spectrometric analysis or click on Charge to import the analysis from a file from the spectrometer The file must be a text file structured as follows File format melting numberl Eltl x1 Elt2 x2 Elt3 x3 melting number2 Eltl x1 Elt2 x2 The contents of the chemical elements must be expressed in 9o Click on OK to validate If the measured chemical composition does not
25. ybde P e jpe MEM eu Mn 000 025 Fonte nrigine 1 po FesiMgb 20 a E r p trole cao Mg oM jo NENNEN NENNEN NENNEN NENNEN Starting a charge calculation From the main screen click on the Charge calculation button The following screen appears Charge calculation En Dua rint Enter the weight of the charge in the Target tonnage field 12 Select the alloy you want to make If desired modify the ranges of its composition by double clicking on the chemical element concerned This modification is then strictly limited to the current calculation If you want to impose constraints on the proportions of some materials in the charge double click on the raw material to which you want to add a constraint Rate of acier EIC X C Lower than Equalto fi 0 z f Higher than Ranging between z and x ceo 4 xz No constraint Cancel In the dialogue box above specify the type of constraint and the threshold In this example the presence of more than 10 EIC steel in the charge is imposed Click on the Calculate button The computer displays the result of the optimization e Composition of the alloy obtained e Charge composition in kg and 96 e Cost Recording the charge to start a melting When the calculation has been performed click on OK to return to the main screen If you want OPTIMA to take account of t
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