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1、PTC Global Services M Me ec ch ha an ni is sm m D De es si ig gn n a an nd d A An na al ly ys si is s Release 2001 T-889-320-01 For University Use Only - Commercial Use Prohibited - Copyright Mechanism Design and Analysis Copyright 2001 Parametric Technology Corporation. All Rights Reserved. This Me
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23、 the United States. PRINTING HISTORY Document No.DateDescription PU-889-320-0105/16/01Initial Printing of Pro/USER: Mechanism Design and Analysis for Release 2001 T-889-320-0109/06/01Initial Printing of Mechanism Design and Analysis for Release 2001 Order Number T-889-320-EN Printed in U.S.A For Uni
24、versity Use Only - Commercial Use Prohibited - For University Use Only - Commercial Use Prohibited - Training Agenda Mechanism Design and Analysis Day One Module 1: Introduction to Mechanism Design Module 2: Creating and Analyzing Mechanisms Module 3: Configuring Joint Axis Settings Module 4: Defini
25、ng Drivers and Motion Module 5: Working with Motion Analysis Results Module 6: Creating Cam and Slot Connections Module 7: Optimizing Mechanism Designs For University Use Only - Commercial Use Prohibited - PTC Telephone and Fax Numbers The following is a list of telephone and fax numbers you may fin
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28、ourse descriptions, as well as information on PTC, the Pro/ENGINEER product line, Consulting Services, Customer Support, and Pro/PARTNERS. For University Use Only - Commercial Use Prohibited - Table of Contents Mechanism Design and Analysis INTRODUCTION TO MECHANISM DESIGN1-1 OVERVIEW.1-2 IMPLEMENTI
29、NG MECHANISM DESIGN EXTENSION1-2 Mechanism Design without Cam and Slot Connections1-2 Mechanism Design with Cam and Slot Connections.1-4 MECHANISM DESIGN INTERFACE .1-4 Using Mechanism Design Icons.1-4 Accessing the Object Sensitive Menu1-5 CREATING AND ANALYZING MECHANISMS2-1 CREATING MECHANISM ASS
30、EMBLIES .2-2 Comparing Connections to Constraints2-2 Selecting Connection Types.2-2 Calculating Mechanism Degrees of Freedom2-7 Working with the Body2-8 Redefining Assemblies as Mechanisms.2-9 SIMULATING MOTION.2-9 Dragging Assembly Components 2-10 Adding Controls when Dragging.2-11 Recording Config
31、urations with Snapshots.2-13 Other Commands.2-14 LABORATORY PRACTICAL2-15 EXERCISE 1: Creating a Crane Assembly2-15 EXERCISE 2: Creating Reciprocating Saw Components2-20 CONFIGURING JOINT AXIS SETTINGS3-1 JOINT AXIS SETTINGS.3-2 Defining the Zero References 3-2 Setting the Range of Motion3-4 Setting
32、 the Regeneration Configuration.3-4 LABORATORY PRACTICAL3-5 EXERCISE 1: Configuring Joint Axis Settings.3-5 For University Use Only - Commercial Use Prohibited - DEFINING DRIVERS AND MOTION4-1 DRIVERS AND MOTION4-2 Selecting a Driver.4-2 Configuring Driver Profiles4-5 DEFINING MOTIONS4-7 Configuring
33、 Time Domain Settings .4-8 Selecting Active Drivers.4-8 Running Motion Definitions.4-9 LABORATORY PRACTICAL .4-10 EXERCISE 1: Creating Standard Joint Axis Drivers.4-10 EXERCISE 2: Creating Table Joint Axis Drivers4-13 EXERCISE 3: Creating Geometric Drivers .4-16 WORKING WITH MOTION ANALYSIS RESULTS5
34、-1 REVIEWING MECHANISM ANALYSIS RESULTS.5-2 Viewing Playback Results5-2 Generating Movie and Image Files 5-2 Checking Motion Interference5-3 Evaluating Motion Envelopes 5-4 Capturing Measurements and Show Plots5-5 Evaluating Trace and Cam Synthesis Curves.5-6 LABORATORY PRACTICAL .5-8 EXERCISE 1: Vi
35、ewing Motion Playbacks and Creating Trace Curves.5-8 EXERCISE 2: Creating Measures5-10 EXERCISE 3: Checking for Interference.5-13 CREATING CAM AND SLOT CONNECTIONS6-1 CREATING CAM-FOLLOWER CONNECTIONS .6-2 Creating Cam Surfaces.6-2 CREATING SLOT-FOLLOWER CONNECTIONS.6-4 LABORATORY PRACTICAL .6-6 EXE
36、RCISE 1: Creating Geneva Cam Mechanisms .6-6 EXERCISE 2: Synthesizing Cam Profiles .6-12 EXERCISE 3: Creating Slot Connections6-21 OPTIMIZING MECHANISM DESIGNS7-1 BEHAVIORAL MODELING EXTENSION7-2 Pro/ENGINEER Analysis 7-2 Datum Analysis Features7-5 For University Use Only - Commercial Use Prohibited
37、 - OPTIMIZING MECHANISM DESIGNS7-9 Integrating MDX and BMX.7-9 Optimizing Designs7-9 LABORATORY PRACTICAL7-10 EXERCISE 1: Creating Motion Definitions in MDX7-10 EXERCISE 2: Creating Analysis Features in BMX7-14 EXERCISE 3: Performing Sensitivity Analyses7-17 EXERCISE 4: Optimizing the Hand Pump7-19
38、SUMMARY7-21 USING PTC HELPA-1 DEFINING THE PTC HELP FEATURES.A-2 USING THE Pro/ENGINEER ONLINE HELPA-2 Defining the PTC Help Table of ContentsA-8 TECHNICAL SUPPORTB-1 Locating the Technical Support Web Page. B-2 Opening Technical Support Calls via E-Mail. B-2 Opening Technical Support Calls via Tele
39、phone B-3 Opening Technical Support Calls via the Web. B-3 Sending Data Files to PTC Technical Support B-3 Routing Your Technical Support Calls. B-4 Technical Support Call Priorities B-5 Software Performance Report Priorities . B-5 Registering for On-Line Support B-5 Using the Online Services. B-6 F
40、inding Answers in the Knowledge Base. B-7 CONTACT INFORMATIONB-9 Technical Support Worldwide Electronic Services. B-9 Technical Support Customer Feedback Line B-9 TELEPHONE AND FAX INFORMATION.B-10 North America Telephone Information. B-10 Europe Telephone Information. B-11 Asia and Pacific Rim Tele
41、phone Information. B-15 ELECTRONIC SERVICES.B-18 For University Use Only - Commercial Use Prohibited - For University Use Only - Commercial Use Prohibited - Page 1-1Page 1-1 Module Introduction to Mechanism DesignIntroduction to Mechanism Design In this module you will learn about the essential func
42、tions of Pro/ENGINEER Mechanism Design. The module also introduces the major steps of implementing Mechanism Design. ObjectivesObjectives After completing this module, you will be able to: Describe the Mechanism Design applications. Describe the major Mechanism Design implementation steps. For Unive
43、rsity Use Only - Commercial Use Prohibited - Page 1-2Mechanism Design and AnalysisPage 1-2Mechanism Design and Analysis NOTENOTES S OVERVIEWOVERVIEW The Pro/ENGINEER Mechanism Design Extension (MDX) is a kinematic motion simulation program. You use it to obtain information about the behavioral chara
44、cteristics of your assemblies. By defining “connections” during assembly creation, MDX enables you to build “kinematic intelligence” into your assemblies. This can be done at the beginning of the product development process. Once assembled, you can investigate the design characteristics by animating
45、 the mechanism throughout the range of motion. The results of the motion animation provide graphical illustration of the mechanism. They also yield engineering information that can facilitate design optimization, such as interference analysis and cam profile synthesis. When used in conjunction with
46、Behavioral Modeling Extension (BMX), MDX can be used to create optimized designs based on measured geometry information. When a full dynamics simulation is needed, assemblies created using MDX can also be used in Pro/MECHANICA Motion. IMPLEMENTING MECHANISM DESIGN EXTENSIONIMPLEMENTING MECHANISM DES
47、IGN EXTENSION Using Mechanism Design involves two fundamental steps: (1) defining a mechanism, and (2) making it move. Depending on whether there are cam and slot connections in the mechanism, the major steps of implementing mechanism design are slightly different. Mechanism Design without Cam and S
48、lot Connections Mechanism Design without Cam and Slot Connections 1. Create assembly connections - Assembling the components that are intended to move using connections enables you to create a movable system instead of one rigid body. For University Use Only - Commercial Use Prohibited - Introductio
49、n to Mechanism Design Page 1-3Introduction to Mechanism Design Page 1-3 NOTENOTES S Figure 1 Connections available in the COMPONENT PLACEMENT dialog box. 2. Define Joint Axis Settings - You can use the joint axis settings to quantitatively describe the displacement, set the range of the motion and choose the default configuration used in regeneration. 3. Move the assembly Move the assembly interactively using the Drag functionality - Using the Drag functionality, you can move the mechanism through an allowable range of motion interactively. Setup drivers and run mo