极具价值的UG NX模具设计教程.ppt
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1、模具设计技术发展与应用现状 李志 Manager of Mold/Die Development Team,模具制造业发展现状和趋势,模具工业是支柱产业:汽车,电子,机械,家电,通讯 模具生产向精密,高质量,短交货期方向发展 模具工业东移,从日本,美国,欧洲向东南亚尤其中国转移,数字化设计和制造技术是提高产品质量, 缩短交货周期,提高竞争性重要保证,主要内容,模具设计技术发展与应用现状 1. 模具制造业发展现状和趋势 2. 模具CAD/CAM 系统成功应用要素 3. 模具的数字化设计及制造,主要内容,3. 模具的数字化设计及制造 3.1 注塑模设计及制造过程的关键技术 塑料产品成型性 - CA
2、E 塑料产品结构性 - CAA 模具设计和制造 导向技术 3.2 级进模设计及制造过程的关键技术 冲压模具数字化设计过程 级进模设计和制造 导向技术 3.3 汽车覆盖件模设计及制造过程的关键技术 汽车覆盖件数字化设计过程 汽车覆盖件产品成型性 - CAE 汽车覆盖件冲压工艺设计 汽车覆盖件结构设计 4. 结论,Technology Progression,Drawing Based Feature Based Process Based Knowledge Based,User Group Department Enterprise,Data Mgmt Process Mgmt Collabo
3、ration Knowledge,88,74,95,99,02,Digital Drawings,Solids Features Visualization Master Model,Digital Models,Auto threads Aero threads Consumer Products Machinery,Digital Processes,Process Wizards Optimization Rule based modeling WAVE,Predictive Engineering,Pervasive knowledge KBE language Knowledge c
4、heckers Expert applications Automation,Knowledge Management,File-based data management,Vaulting Application Encapsulation,Product Structure Management Configuration Management Change mgmt Security,CAx Integrations ERP/MRP Integrations Variant Management,Visualization Multi-Site RDV,模具CAD/CAM 系统成功应用要
5、素,通用CAD/CAM System Huge assembly Feature based Freeform surface Knowledge based,模具过程导向 Automation Association Flexibility Easy to use,用户部门 Training Standardization Customization Designer experience,Total Product Engineering,Knowledge Driven Automation Knowledge Automation unique capability blends th
6、e power of KBE with utility of high-end mechanical CAD Process Wizards Process Wizards, Advisors, Checkers, Quality & Validation Tools,Injection Mold Design/Manufacturing Process,注塑模设计过程及相关技术,产品设计 (面向制造设计),模具设计和制造 过程导向 复杂分模 设计修改,产品成型性 产品结构性,产品成型性 CAE,注塑充模流动、保压模拟 注塑冷却模拟 注塑应力分析和翘曲模拟,CAE 产品,Moldflow HU
7、ST flow,产品结构性 分模线及死角,Moldability Check Find parting lines Find cavity & core faces Simulating cavity & core split Find undercuts Find vertical and small draft faces Find crossover faces which to be split Find openings which to be shut off,产品结构性 型腔面定义,Color parting region Find all cavity/core region
8、Region faces can be re-assigned by users,Product Design Advisor,Validate Part surfaces for: Positive & Negative Faces Vertical Faces Undercut areas Draft angles Automatic parting line generation Combine region/parting line definition,Benefits Validation for Manufacturability Simplify Parting by use
9、of color assignment in downstream modules Handle very complex parting easily,Find and color cavity/core regions Face draft analysis Split faces Provide Model/Face & Sharp corner information Volume / sheet boundary information,Examines plastic part geometry for manufacturability,产品结构性 厚度分析,Identifica
10、tion of thick areas that could form defects in the casting process,产品结构性 厚度分析,Show minimum thickness area and value,Improved efficiency is achieved through streamlined workflows created by The understanding of specific detailed processes Guiding users through these processes Linking complex operatio
11、ns into automated sequences,Process Wizards - Embedded Industry Knowledge,Prepackaged vertical solutions that provide expert guidance through industry-leading standard practices,模具设计和制造 导向技术,integrated design environment,Project guidance and Automatic assembly build Family mold support Mold Coordina
12、te System set up Shrinkage Workpiece Layout Mold Tools Automated Parting functionality Mold Base Catalogs Standard Parts Catalogs Ejector pin post processing Sliders and lifters,Sub-insert design Gate design Runner design Cooling design Electrode design MoldTrim Pocketing BOM Automated drafting Cast
13、ing Process Assistant View Manager,Whats the value of Mold Wizard?,productivity gains in Mold Design of 2-to-1 to 10-to-1 through: process automation advanced tools for parting libraries for molds and standard components. Time to market: Start mold design while part is still being altered through: a
14、ssociativity between Part and mold design. Swap model Inconsistent design processes are solved by: providing a standardized, but still fully customizable design process.,0,Why?,Its all about productivity!,Create it faster,Change it faster,INNOVATION SPEED COST QUALITY,Do it right the first time.,Foc
15、used solutions provide extraordinary gains in specific product development areas,注塑模具设计和制造 复杂分模,Parting lines Parting surface Patch up,Parting example,3300 faces part 4 days to create core/cavity manually 4 hours finish association core/cavity,注塑模具设计和制造 Patch,Automatically internal hole Complicated
16、hole patch,Trim Region Patch,Create a bounding box for selected faces Trim the bounding box with reference faces Create sheet body patch by boundary edges,Trim Region Patch,Model version Comparison and Swap Regardless translation format (IGES, Step,) Show new, removed, changed and remained faces Aut
17、omatic update of Core & Cavity Benefits Easy to detect changes between different model versions No redundant work due to translation format of 3D models Enables quick mold updates Automatic Update of all downstream functions,Product Change management,Update to a new model version in no time,Product
18、Change management,AVI demo comparison,- Other MCAD systems,- Other EDS products,注塑模具设计和制造 互换技术,Dumb Solid,Solid Works,Others ,Pro-Engineer,Solid Edge,I-deas,Replace dumb original product model Keep fully associative after swapping Users can manually match edge/face After swap obsolete parting line a
19、nd surfaces will be automatically deleted (also patch surfaces),Change Management: Associative Swap,Benefits No redundant work due to translation format of 3D models Enables quick mold updates Automatic and Associative Update of all downstream functions,Easily create custom libraries by creating a d
20、ata file no need to create models Automatically generate BOM and pockets One method used by several modules,One interchangeable model for several catalogs Open structure for customization of standard parts and moldbase Add/remove plates and components while associativity remains Individual positioni
21、ng for each mold component,Benefits:,Create custom libraries without knowledge of Unigraphics,Mold Customization,Standard Libraries,Mold Bases: Metric: DME, Hasco, Futaba, Universal, Rabourdin, STRACK, LKM, Misumi Inch: DME, Hasco, Omni, Universal, DME interchangeable, Hasco interchangeable Standard
22、 parts: Metric: DME, Hasco, Futaba, Rabourdin, STRACK Inch: DME, Hasco, Omni, Yates Hydraulic cylinders,Interchangeable Standard Parts,Use only one model and bitmap to cover different catalogs New Bitmaps to clearly display parameters and Standard Parts Easier to expand data base,Easily create custo
23、m libraries by creating a data file no need to create models Automatically generate BOM and pockets,Benefits:,Mirror Assembly Wizard,Automatic tool path generation,CAM Automation,Automatic hole recognition through face information added by Mold Wizard Automatic detection of any combination of faces
24、Automatic selection of templates and processes Produce all the necessary tool paths automatically to manufacture the holes,Map to CAM processes,Interface Spreadsheet,Mold Wizard attributes on geometry,View management,Tree structure to manage Mold Assembly display Blank/Unblank Show selected Freeze s
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