ug的ISV机床仿真与.ppt

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1、ISV-集成的加工模拟仿真培训,2,ISV介绍,选取加工环境,分析被加工几何,创建或编辑父节点数据,创建操作,产生刀具轨迹,刀具轨迹验证,后置处理,NC代码,程序组,刀具组,加工几何组,加工方式组,ISV,3,Complete Machining Solution with NX,Post processor,NX NC programming,Machine tool simulation,Tool path verification,NX,4,Integrated Simulation and Verification,NX CAM,CAM Visualize,ISV Simulation

2、,Internal Tool Path,ISV Advanced Simulation,No machine kinematics visualization of cutter with tool path,“Light”machine simulation-out of the box ready to cover basic simulation needs,Complete machine simulation for the most demanding needs.Includes machine tool builder,External PTP file,5,集成的加工模拟仿真

3、ISV,特点：,实时的模拟加工，减少加工试切实现加工刀具轨迹的优化方便、易用,完全集成的加工机床模拟器接近真实（Close to Reality）的模拟插入式控制器选项精确模拟与控制器相关的事件动作与NC编制过程集成建立在UG软件的装配和运动分析功能基础之上可客户化控制系统,6,ISV Simulation Engines,Pre-NX5Machine Tool Driver(MTD)With virtual NX controller(VNC)created by PostBuilderTCL baseNX5Common Simulation Engine(CSE)Encapsulation

4、 of RealNC for ISVEncrypted XMLOOTB machine configurations provided by development,7,Samples(NX5),MACHsamplesYou can find 15 samplesGood for study and quick demoLoad Options Search DirectoriesMACHresourcelibrarymachinegraphics.MACHsamples.,8,Installed Machines(NX5),9,CSE Simulation Engine,Encapsulat

5、ion of RealNCIn NX5,OOTB support forFanuc NX5Siemens 840D,Heidenhain NX6,10,“Out of the Box”Simulation,ONT Tool ViewDouble Click Replace Machine,Milling,Turning,11,“Out of the Box”Simulation Sample,MACHsamplesnc_simulation_samplesmill5axissim_8_machine_5x_mm.prt5 Axis Dual Table,12,CSE,CSE comprises

6、 of three componentsController specific language parserDelivered with NX5 installationController Configuration file(CCF)Encrypted XML,CCF for Fanuc has shipped as OOTB configuration with NX5 installationMachine configuration file(MCF),13,OOTB Installed Machine Configurations NX5,In NX5,OOTB machine

7、configurations are for Fanuc only.Siemens and Heidenhain would be available in NX6 timeframe.,Non-orthographic 45degree,14,Machine Tool Driver(MTD),Generates NC-Program and emulates the NC controller.Post ProcessorVirtual NC ControllerKey role in machine tool simulation.Motion control-accurate path

8、based on machine configuration.Handles specific machine tool features such as macros,cycles,subroutine call.Textual,graphical and audio feedback triggered by events.Fully customizable as TCL program.,NC code,CL File,G01 X3.4G03 Y3.1 I3.3,Virtual NC Controller,Process Data,Events,Machine Tool Driver,

9、S&VEngine,S&V Events,NC code,S&VCommands,Process Data,Events,Machine Tool Driver,S&V Events,PostEvent Handler,NC ControllerPlug-IN,15,ISV的构成,Machine tool builder 机床构造器Setup configurator环境配置器 Machine tool simulation机床加工模拟 Machine tool driver机床驱动器 Virtual NC ControllerNC控制器,16,Machine Tool Builder机床构造

10、器,构造机床及设备的应用模块.通过装配来构建几何模型.创建运动模型.定义安装模型.模拟机床坐标轴的运动.编辑模型.,17,Setup Configurator环境配置器,具有与机床构造器相似的功能.只在加工环境中才起作用用来将工件和夹具等固定在机床上.,18,Machine Tool Driver(MTD)机床驱动器,生成NC程序并模仿NC控制器.运动控制基于机床结构，精确描述加工轨迹.处理特定的加工功能，如宏、固定循环的子程序调用.在加工模拟中起关键作用.可进行客户化.通过事件触发文本的、图形的和声音的反馈.,NC code,CL File,G01 X3.4G03 Y3.1 I3.3,Vir

11、tual NC Controller,Process Data,Events,Machine Tool Driver,S&VEngine,S&V Events,NC code,S&VCommands,Process Data,Events,Machine Tool Driver,S&V Events,PostEvent Handler,NC ControllerPlug-IN,19,Machine Tool Simulation机床加工模拟,可客户化的用户界面Step through events in three different modes.Continuos position and

12、parameters display.Step through NC program(G codes)灵活的碰撞控制,Customizable Simulation Control Panel,20,Steps,Create machine tool model assembly in NXAdd kinematics to the assemblyAdd new machine tool to libraryCreate machine tool driverTest a part by retrieving your new machine tool from the library,21

13、,Create Machine Tool Model Assembly,In NX,you must model each moving machine piece as a separate componentMake a NX assembly of all the components that make-up the machine tool.Start an empty part bridgeport_3_axis.prt and assemble the components into itEach component should be located as when the m

14、achine tool is in its“rest”stateUse assembly mating conditions!Make a new assemblybridgeport_sim.prt and place bridgeport_3_axis.prt inside it,1,base,saddle,cross,table,spindle,22,Where to Place the Machine Tool Assembly?,Inside MACHresourcelibrarymachinegraphics add your new machine directory.Make

15、sure that the NAME of the directory is the same as the machine tool name in the library For our example,add:MACHresourcelibrarymachinegraphicsbridgeport_sim,23,Where to Place the Machine Tool Assembly?,bridgeport_sim.prt is where we will place the kinematics tree(it has no geometry on its own)bridge

16、port_3_axis.prt is the assembly part where all the components of the machine tool are locatedbridgeport_base.prt is a component of the machinebridgeport_saddle.prt is a component of the machinebridgeport_cross.prt is a component of the machinebridgeport_table.prt is a component of the machinebridgep

17、ort_spindle.prt is a component of the machine,So we have the following assembly structure:,24,Add Kinematics to the Assembly,2,Open part:bridgeport_sim.prt1.Select application machine tool builder2.Double click on NO_NAME and change the name to BRIDGEPORT_3_AXIS3.Highlight the name and with mb3 sele

18、ct Insert Machine Base Component3.1 Keep the name MACHINE_BASE 3.2 Add Geometry Entities3.3 Select assembly component that is the base MACHINE_BASE,25,Add Kinematics to the Assembly(cont.),4.mb3-Junction Add Name=MACHINE_ZERO5.Define coordinate system(use CSYS constructor)6.Highlight MACHINE_ZERO na

19、me from list7.mb3-Classify Machine zero OK OK,注意：MACHINE_ZERO 定义了机床的坐标系及原点位置。请参考机床手册，确定坐标位置及X,Y,Z的方向,26,Add Kinematics to the Assembly(cont.)How Is the K-Tree Created?,Now lets add the different branches of the tree8.Select component MACHINE_BASE9.mb3 Insert K-Component Name=SPINDLE10.Geometry entit

20、ies,select BRIDGEPORT_SPINDLE11.Do the same for Z_SLIDE,Y_SLIDE,X_SLIDE,SETUP,PART,BLANK,AND FIXTURE,27,Add Kinematics to the Assembly(cont.)How Do We Set the K-Movements?,Now lets add the movement of the components:12.Select Z-COMPONENT13.mb3 Insert Axis Name=Z14.Junction MACHINE_BASEMACHINE_ZERO15

21、.Define type of Axis=linear16.Set limits for your machine17.Check the movement18.Do the same for X and Y axis,Based on your machine manual,注意：对本实例，将所有的运动相对于一个坐标系统(MACHINE_BASEMACHINE_ZERO)进行定义已经足够。在其它复杂结构中，可能需要定义其它的Junctions.,28,Add Kinematics to the Assembly(cont.)How Do We Set the Direction of Mov

22、ement?,Machine base coordinate system(MBCS),How do we set the direction of the linear axis?Place yourself on the spindle and look down towards the tableIf the table moves in the+X direction in MBCS,in the coordinates of the viewer,the table moves in the X directionThe same is true for Y and Z,Viewer

23、 coordinatesystem(VCS),It is important to set the correct direction of the axis of junction,29,Add Kinematics to the Assembly(cont.)Where Do We Mount the Tool Assembly?,19.Next,set the place where the tool will be mounted.Define a WCS where the X axis is parallel to the spindle axis and located it w

24、here the tool assembly will be mounted20.Select SPINDLE from the k-tree21.mb3 Junctions Add NAME=TOOL_MOUNT_JCT22.Define Coordinate System,select WCS that you created OK OK,Z,30,Add Kinematics to the Assembly(cont.)Where Do We Mount the Part?,23.Next,set the place where the part will be mounted.Defi

25、ne a WCS where the part will be mounted on the table24.Select SETUP from the k-tree25.mb3 Junctions Add Name=PART_MOUNT_JCT26.Define Coordinate System,select WCS that you created OK OK,part,31,Add Kinematics to the Assembly(cont.),27.Select SETUP,mb3 Classify SETUP ELEMENT28.Do the same for part,bla

26、nk and fixture,为了完成机床定义，需要对某些部件进行分类。虽然这不是强制的，但最好是对其进行分类，这样可以通过使用部件分类，比较容易地进行碰撞干涉检查,32,Modification of the Machine Tool Library,Add an entry for your new machine in:MACHresourcelibrarymachineasciimachine_database.dat,this is pointing to the.dat file that defines the post to be used,name to be used wh

27、en running the post&simulating,post tcl file created by Post Builder,post def file created by Post Builder,Inside MACHresourcepostprocessor create bridgeport.dat with the following text:,3,#Bridgeport 3-axis example config file-Event Handler and Definition file#BRIDGEPORT 3-AXIS MILL,$UGII_CAM_POST_

28、DIRbridgeport_sim.tcl,$UGII_CAM_POST_DIRbridgeport_sim.def,33,Create Machine Tool Driver in Post Builder,Start Post Builder Give a name to the post NAME=bridgeport_sim Configure the post as you normally do In this case we are making a post for a 3-axis milling machine,4,34,Create Machine Tool Driver

29、 in Post Builder(cont.),4.Under Output Settings Other Options:Turn on Generate Virtual NC Controller,35,5.Under Program&Tool Path,select Custom Command6.Select PB_CMD_vnc_map_machine_tool axes,Create Machine Tool Driver in Post Builder(cont.),36,#+#Fetch physical axes(machine tool model).#-If Y axis

30、 is not defined for a lathe,leave it alone.#+set mom_sim_mt_axis(X)X set mom_sim_mt_axis(Y)Y set mom_sim_mt_axis(Z)Z switch$mom_sim_num_machine_axes 4 set mom_sim_mt_axis(4)A 5 set mom_sim_mt_axis(4)B set mom_sim_mt_axis(5)C#+#Specify a component as the ZCS reference base.It should be a non-rotating

31、#component that the part is connected to directly or indirectly in the assembly tree.#+set mom_sim_zcs_base X_SLIDE#+#Define spindle component and its junction for mounting tools.#+set mom_sim_spindle_comp“SPINDLE set mom_sim_spindle_jct“TOOL_MOUNT_JCT,7.Edit this file to match your machine tool kin

32、ematics configuration Traverse the kinematics tree from the PART to find the ZCS base component When done save the post,4,section not used for this postdont change,these names need to match,37,Files Created by Post Builder,4,these files are part of the post,Once Post Builder is closed,it creates the

33、 following files in directory MACHresourcepostprocessor:bridgeport_sim.puibridgeport_sim.tclbridgeport_sim.defbridgeport_sim_vnc.tcl,this file is the machine tool driver,WARNING:Do not edit these files directly.Use ONLY Post Builder!Only a Virtual NC Controller enabled Post can be used in ISV,38,通过一

34、简单零件进行验证,5,一旦将机床加入了库中，就可准备一简单零件对其进行测试创建一简单零件，并产生一刀具轨迹（例如在一方块上表面创建刀轨）必须在进行机床仿真前创建刀具轨迹为了将加工零件自动装载到机床上，需要按照以下说明增加运动关系结构：,增加一 SETUP k部件在该部件上定义PART_MOUNT_JCT增加一PART k部件，并选取几何对该部件进行分类,JUNCTION应该位于零件将要装载的位置 SETUP必须分类为SETUP_ELEMENT，PART 必须分类为 PART!,39,Preparation for Hands-on CSE Step 1,Software versionCrea

35、te folder structure,40,Step 2,Copy all part files from RFM600DSgraphics folder to newly created rmf600dsgraphics folder,41,Step 3,Copy content of sim010101_007mmcse_files to rfm600dscse_filesRename MCF file,COPY TO,RENAME,42,ISV Settings,Machine ToolCreate Machine Tool Model Assembly in NXUse Machin

36、e Tool Builder to define the machine kinematics structureDetermine Simulation EngineMTDCreate Postprocessor and VNCCSESelect proper Controller Configuration,43,Create a new assembly,Create a new part in graphics folder,and add the machine as assembly,44,Machine Tool Builder,Build the kinematics stru

37、ctureMACHINE_BASEK-ComponentJunctionAxis,Junction and axis name must match the name defined in CCF/MCF configuration files.,45,K-Component,Kinematics model of a machine tool is a tree structure of K-Components that represents the physical relationship between the machine components and how they move

38、(sliding or rotating)with respect to each other.A K-Component is a container or a leaf node in the kinematics tree that may contain geometry and/or Junctions(CSYS).A moving K-Component(an axis)will have a geometry object associated with it and an Axis attribute defining how it moves.,46,Junction-1,A

39、 Junction is a coordinate system that is referenced to direct&constrain the movement of an axis.An Axis attribute is specified with a moving K-Component to define its movement.How to define a Junction?Position and orient the WCS to the desire location then accept it as the Junction.,47,Junction-2,MA

40、CHINE_BASEMACHINE_ZERO*Junction Its the foremost important junction that defines the directions,orientations and work planes for all the moving axes of a machine.,Definition LevelThe reference Junction of an Axis should be set on the parent level.Never be set on the K-Component itself that the Axis

41、is specified with.,Youll regret,if you dont classify this Junction!,48,Junction-3,Tool mounting junction,TOOL_MOUNT_JCT,X up,please!,Spindle,49,Junction-4,How a part is mounted on a machine?,PART_MOUNT_JCT,SETUP,PART,50,Axis,Complete the kinematics model:Properly assign&place K-Components in the tre

42、eDefine all linear axes by using the MACHINE_ZERO*junction as the reference.Identify(not specify)the rotary axes then specify the needed junction for each axis on its parent component respectively.Whats up with the direction of an axis?,When a table moves Reverse the direction!,To reverse or Not to reverse?Doh!,51,Definition File,Create a definition file,52,Machine Database Files,Add an entry to the machine database file,53,Post-processor for CSE,Create post-processor,Thank You!,