Copyright DASSAULT SYSTEMES Assembly Design Fundamentals CATIA Training Exercises Version 5 Release 9 June 2002 EDU-CAT-E-ASM-FX-V5R9
Copyright DASSAULT SYSTEMES Table of Contents (1/2) 1. Connector Assembly Connector Assembly: Presentation4 Connector Assembly (1): Assembling Component9 Connector Assembly (2): Positioning Components12 Connector Assembly (3): Analyzing the Assembly15 Connector Assembly (4): Editing Part18 Connector Assembly (5): Working with Components21 Connector Assembly (6):Scenes24 2. Vice Assembly Vice Assembly: Presentation26 Vice Assembly (1): Creating the Structure30 Vice Assembly (2): Positioning Components33 Vice Assembly (3): Editing Parts38 Vice Assembly (4): Inserting Fitting Components42
Copyright DASSAULT SYSTEMES Table of Contents (2/2) 3. Flexible sub-assemblies Flexible sub-assemblies : Presentation 47 Flexible sub-assemblies (1) :Assembling Components51 Flexible sub-assemblies (2) :Constrain Full Assembly54 Flexible sub-assemblies (3) :Change configuration 57
Copyright DASSAULT SYSTEMES Objectives : In this exercise you will build the Connector Assembly and modify one of its components You will use : - Product Structure Tools - Constraints - Compass - Analyze Clash - Part Design in-context of Assembly - Standard tools This assembly will be built Exercise Connector Assembly: Presentation 60 mm
Copyright DASSAULT SYSTEMES Design Intent: Connector Assembly Create and name the assembly (Connector Assembly). Add a sub-assembly (Connector Card assembly) and two instances of the same part (Connector Shell). Assign Instance Names to the Connector Shells. Position the Components Analyze for interference between the components and correct the interference by making an opening for the Connector Card Assembly. Add two instances of a Screw. Capture multiple states of the assembly. opening 2 coincidence constraints 2 instances of the Shell Connector Card Assembly with fix-in-space constraint contact constraint
Copyright DASSAULT SYSTEMES Create a new CATProduct file Do the following tasks: Name the Assembly Connector Assembly Add two existing components: Connector Card Assembly.CATProduct Connector Shell.CATPart Copy-and-paste the Connector Shell to make a second instance Assign Instance Names to the Connector Shells: Top Shell and Bottom Shell Fix-in-space the Connector Card Assembly Freely move the components to prepare for creation of the constraints Set constraints between the components (4 coincidences and 2 contacts) Analyze for interference between the components Modify the Connector Shell to correct the interference by creating an opening Insert a fitting Screw and re-use a part design pattern to multi-instantiate it Create Scenes that capture the assembly in various states: exploded and assembled Connector Card Assembly Connector Shell Design intent: givens
Copyright DASSAULT SYSTEMES Create and name the assembly, insert components, duplicate the shell, assign Instance Names, and save the assembly Design Process: Connector Assembly 1 Position the components using constraints. 2 Check for interference. 3 4 Edit the Shell by designing in-context of the assembly Pattern the Screw. 5
Copyright DASSAULT SYSTEMES Create and name the assembly, insert components, duplicate the shell, assign Instance Names, and save the assembly 1 Position the components using constraints. 2 Check for interference. 3 4 Edit the Shell by designing in-context of the assembly Pattern the Screw. 5 And now practice in the context of the Connector Assembly
Copyright DASSAULT SYSTEMES Connector Assembly (1) : Assembling Components In this step you create and name an assembly, insert components, duplicate the shell, assign Instance Names, and save the assembly 15 mn Exercise
Copyright DASSAULT SYSTEMES Do it yourself 1. Create a new CATProduct document and set the part number to be ConnectorAssembly. 2. Add the Connector Card Assembly (CATASMConnector_Card_Assembly.CATProduct) 3.sub-assembly and the Connector Shell (CATASMConnector_Shell.CATPart). 4. Duplicate the Connector Shell component. 5. Assign Instance Names to the Connector Shell components. 6. Save the assembly as Connector Assembly 2.CATProduct. Inserted components Duplicate instance of Connector Shell To avoid looking for the correct folder where the inserted components are stored, begin a Save as with the loaded Document, then Cancel it. Load: Mex1/CATASMConnector_Assembly_1.CATProduct
Copyright DASSAULT SYSTEMES Create and name the assembly, insert components, duplicate the shell, assign Instance Names, and save the assembly 1 Position the components using constraints. 2 Check for interference. 3 4 Edit the Shell by designing in-context of the assembly Pattern the Screw. 5 And now practice in the context of the Connector Assembly
Copyright DASSAULT SYSTEMES mn Exercise Connector Assembly (2) : Positioning Components In this step you Fix-in-Space the Connector Card Assembly and set Coincidence and Contact constraints between the Shells and the Connector Card
Copyright DASSAULT SYSTEMES Inside Face Do It Yourself 1.Fix-in-space the Connector Card Assembly. 2. Set an axial coincidence between corresponding holes of the Top Shell and the Connector Card. 3. Set a contact between the top face of the card and the inside face of the Top Shell. 4. Set an axial coincidence between corresponding holes of the Bottom Shell and the Connector Card. 5. Set a contact between the underside face of the card and the inside face of the Bottom Shell. 6. Save the assembly as Connector_Assembly 3.CATProduct. Load: Mex2/CATASMConnector_Assembly_2.CATProduct
Copyright DASSAULT SYSTEMES Create and name the assembly, insert components, duplicate the shell, assign Instance Names, and save the assembly 1 Position the components using constraints. 2 Check for interference. 3 4 Edit the Shell by designing in-context of the assembly Pattern the Screw. 5 And now practice in the context of the Connector Assembly
Copyright DASSAULT SYSTEMES Exercise Connector Housing (3) : Analyzing the Assembly In this step you check for interference between the Connector CardAssembly and Connector Shells 15 mn
Copyright DASSAULT SYSTEMES Connector Card Assembly Connector Shell Do It Yourself 1. Analyze for clash between the Connector Card Assembly and Connector Shells. 2. Do not make any changes to the assembly at this time. 3. Save the assembly as Connector Assembly 4. CATProduct for use in the next step. Load: Mex3/CATASMConnector_Assembly_3.CATProduct
Copyright DASSAULT SYSTEMES Create and name the assembly, insert components, duplicate the shell, assign Instance Names, and save the assembly 1 Position the components using constraints. 2 Check for interference. 3 4 Edit the Shell by designing in-context of the assembly Pattern the Screw. 5 And now practice in the context of the Connector Assembly
Copyright DASSAULT SYSTEMES Connector Assembly (4) : Editing Part In this step you eliminate the interference between the Connector Card Assembly and Connectors Shells by editing the Connector Shell in-context of the assembly 30 mn Exercise
Copyright DASSAULT SYSTEMES No-show the Bottom Shell. 2. Modify the Connector Shell to suppress the clash with the Connector Card Assembly. 3. Save the Connector Shell as Connector Shell Save the assembly as Connector Assembly 5.CATProduct. Dimensions for the pocket in the Connector Shell Connector Shell showing the new pocket Do It Yourself Load: Mex4/CATASMConnector_Assembly_4.CATProduct
Copyright DASSAULT SYSTEMES Create and name the assembly, insert components, duplicate the shell, assign Instance Names, and save the assembly 1 Position the components using constraints. 2 Check for interference. 3 4 Edit the Shell by designing in-context of the assembly Pattern the Screw. 5 And now practice in the context of the Connector Assembly
Copyright DASSAULT SYSTEMES Connector Assembly (5) : Working with Components In this step you add and constrain a Screw and duplicate the Screw and its constraints using a pattern 10 mn Exercise
Copyright DASSAULT SYSTEMES Screw Pattern Do It Yourself 1. Add the Screw part. 2. Set an axial coincidence between corresponding hole of the Top Shell and the Screw. 3. Set a contact between the face of the Top Shell and face of the Screw. 4. Use the rectangular pattern in the Connector Shell to duplicate the Screw. 5. Save the assembly as Connector Assembly 6.CATProduct. Load: Mex5/CATASMConnector_Assembly_5.CATProduct
Copyright DASSAULT SYSTEMES Vice Assembly: Presentation Objectives : In this exercise you will build the Vice Assembly, modify two of its components and complete the fitting by inserting components from catalogs You will use : - Product Structure Tools - Constraints - Compass - Catalog Browser - Part Design in-context of the assembly - Standard tools 70 mm This assembly will be built Exercise
Copyright DASSAULT SYSTEMES Design Intent: Vice Assembly Create and name the root assembly (Vice Assembly) and its sub assemblies (RotatingComponent, FixedComponent and AxisAssembly) Add Components inside appropriate assemblies Axis and Axis Nut in AxisAssembly 2ndStaticJaw, Static Jaw, Jaw Holder Flange (2 ones) and Movable Jaw Holder in FixedComponent Movable Jaw in Vice Assembly Position the Components (constrain them as shown below) Design holes in both jaws in order to allow fitting Browse GeneralEnd catalog in order to find and insert fitting elements in appropriate assemblies FixedComponent RotatingComponent Movable Jaw
Copyright DASSAULT SYSTEMES Create and name the assembly, insert components, assign Instance Names, and save the assembly Position the components using constraints Edit both Static Jaws by designing in context of the assembly Insert fitting components from catalog and instantiate and constrain them in appropriate assemblies Design Process: Vice Assembly
Copyright DASSAULT SYSTEMES Create and name the assembly, insert components, assign Instance Names, and save the assembly Position the components using constraints Edit both Static Jaws by designing in context of the assembly Insert fitting components from catalog and instantiate and constrain them in appropriate assemblies And now practice in the context of the Vice Assembly
Copyright DASSAULT SYSTEMES In this step you create and name a root assembly and its sub-assemblies, insert components, assign Instance Names, and save all the assemblies 15 mn Exercise Vice Assembly (1) : Creating the Structure
Copyright DASSAULT SYSTEMES New Products New Component Do it yourself 1. Create a new CATProduct document,set the part number to be ViceAssembly and save it. 2. Create the structure above with New Product and New Component commands. 3. Insert following parts in their destination assemblies : in AxisAssembly : CATASMAxisNut + CATASMAxis in RotatingComponent : CATASMBigScrew in FixedComponent : CATASM2ndStaticJaw + CATASMJawHolderFlange (take 2 instances of it) +CATASMMovableJawHolder + CATASMStaticJaw 4. Set instance names of Jaw Holder Flange to Right Flange and Left Flange 5. Save the assembly as CATASMViceAssembly 2. CATProduct in StudentFolder. Load: Addex1/CATASMViceAssemblyStep1.CATProduct
Copyright DASSAULT SYSTEMES Create and name the assembly, insert components, assign Instance Names, and save the assembly Position the components using constraints Edit both Static Jaws by designing in context of the assembly Insert fitting components from catalog and instantiate and constrain them in appropriate assemblies And now practice in the context of the Vice Assembly
Copyright DASSAULT SYSTEMES In this step you create constraints to position components relatively to each other in the correct active assemblies. 20 mn Exercise Vice Assembly (2) : Positioning Components
Copyright DASSAULT SYSTEMES In AxisAssembly, create coincidence and contact between highlighted elements Do it yourself (1/3) Coincidence Contact 2. In RotatingComponent, create coincidence and contact between highlighted elements and save the active assembly as RotatingComponent3in StudentFolder Coincidence Line Contact Load: Addex2/CATASMViceAssemblyStep2.CATProduct
Copyright DASSAULT SYSTEMES Do it yourself (2/3) 3. In FixedComponent,Fix in space MovableJawHolder and constrain geometric elements as shown and save the active assembly as FixedComponent3 in StudentFolder Fix in space = Offsets of 0mm with same orientation (8) = Contacts (4)
Copyright DASSAULT SYSTEMES Do it yourself (3/3) 4. In ViceAssembly, constrain geometric elements as shown and save the active assembly as CATASMViceAssemblyStep3 in StudentFolder Two contacts coincidence contact
Copyright DASSAULT SYSTEMES Create and name the assembly, insert components, assign Instance Names, and save the assembly Position the components using constraints Edit both Static Jaws by designing in context of the assembly Insert fitting components from catalog and instantiate and constrain them in appropriate assemblies And now practice in the context of the Vice Assembly
Copyright DASSAULT SYSTEMES mn In this step you design two parts in context of the assembly in order to allow the fitting Exercise Vice Assembly (3) : Editing parts
Copyright DASSAULT SYSTEMES Do it yourself (1/2) 2. In 2ndStaticJaw create a hole (diameter = 11mm, up to next) in the front face of the Static Jaw (a counterbored one) set the hole concentric to one of the holes in parts behind create a sketch based on the same front face(name it PatternPoints) and draw 3 points concentric to last 3 holes in parts behind create a user pattern of the hole using PatternPoints for the Positions and keeping specifications of the object to pattern save the new part under another name (CATASM2ndStativJaw4.CATPart) under StudentFolder Concentricity PatternPoints Sketch Load: Addex3/CATASMViceAssemblyStep3. CATProduct 1. Set wireframe rendering style for transparency
Copyright DASSAULT SYSTEMES Do it yourself (2/2) 3. In StaticJaw create a hole (diameter = 11mm, up to next) in the front face of the Static Jaw (a counterbored one) get it concentric to one of the holes in parts behind create a sketch based on the same front face and draw 3 points concentric to last 3 holes in parts behind, rename the Sketch PatternPoints create a user pattern of the hole using PatternPoints for the Positions and keeping specifications for selected object save the part under another name (CATASMStaticJaw4.CATPart) 4. Set the FixedComponent active and save it as FixedComponent4. CATProduct under StudentFolder 5. Set back the shading with edgesrendering style Concentricity PatternPoints Sketch
Copyright DASSAULT SYSTEMES Create and name the assembly, insert components, assign Instance Names, and save the assembly Position the components using constraints Edit both Static Jaws by designing in context of the assembly Insert fitting components from catalog and instantiate and constrain them in appropriate assemblies And now practice in the context of the Vice Assembly
Copyright DASSAULT SYSTEMES In this step you will insert fitting elements from a catalog. You will also constrain and instantiate them in their destination assemblies 15 mn Exercise Vice Assembly (4) : Inserting Fitting Components
Copyright DASSAULT SYSTEMES Do it yourself (1/4) 1. In FixedComponent we want to insert and instantiate screws with fitting dimensions To determine diameters and lengths of inserted screws, measure diameters of threaded holes and thickness that screws have to go through Note carefully the measured diameters and distances because you will need them to make queries on the end chapter of a catalog Crossed thickness Threaded Holes Inserted Screws Load: Addex4/CATASMViceAssemblyStep4.CATProduct
Copyright DASSAULT SYSTEMES Do it yourself (2/4) Browse GeneralEnd.catalog to select and insert Hexagonal Socket Head Screws in FixedComponent : make queries in chapter to get those conditions respected - diameters of selected screws must be equal to diameters of threaded holes they go into - lengths must be superior or equal to (crossed thickness +15mm) Insert the selected screws in FixedComponent Instantiate and constrain as many time as needed (reuse Pattern if possible) inserted screws
Copyright DASSAULT SYSTEMES Do it yourself(3/4) 2. In ViceAssembly we Want to insert Outer Retaining Ring that fit to the big Screw To determine what ring you will insert, measure the diameter of the groove Note carefully the measured diameter because you will need it to make a query on the end chapter of the catalog Diameter to measure Groove Diameter of retaining ring
Copyright DASSAULT SYSTEMES Do it yourself (4/4) Browse GeneralEnd catalog to select and insert an Outer Retaining Ring in ViceAssembly : select the ring in order to get this conditions respected - the Groove Diameter of the selected retaining ring must be equal to the measured diameter Insert the selected ring in Vice Assembly and constrain it to the Big screw coincidence contact
Copyright DASSAULT SYSTEMES Exercise Objectives : In this exercise you will build the Full Assembly and use flexible /rigid sub-assemblies You will use : - Product Structure Tools - Constraints - Use flexible / Rigid sub-assemblies command to create some configurations Flexible sub-assemblies : Presentation 30 mm
Copyright DASSAULT SYSTEMES Design Intent: Flexible Assemblies. Skills needed : Insert existing components to create a assembly Duplicate a sub-assembly Constraint a assembly Making a product flexible in order to drive dimension All elements you need to complete exercise : sub-clamp.CATProduct. Clamp-pad.CATPart.
Copyright DASSAULT SYSTEMES General Process: Flexible Assemblies. 1 3 Change configuration of one sub-assembly Constrain the assembly 2 Create and name the assembly, insert components from sub- clamp.CATProduct and clamp- pad
Copyright DASSAULT SYSTEMES And now practice in the context of the Flexible Assembly 1 3 Change configuration of one sub-assembly Create and name the assembly, insert components from sub- clamp.CATProduct and clamp- pad Constrain the assembly 2
Copyright DASSAULT SYSTEMES Flexible sub-assemblies (1) : Assembling Components In this step you create and name an assembly, insert components, duplicate assembly and save the full assembly 5 mn Exercise
Copyright DASSAULT SYSTEMES Do It Yourself 1. Create a new assembly Name it full-clamp Insert components Duplicate sub-clamp Save it Load : sub-clamp.CATProduct clamp-pad.CATPart
Copyright DASSAULT SYSTEMES And now practice in the context of the Flexible Assembly 1 3 Change configuration of one sub-assembly Create and name the assembly, insert components from sub- clamp.CATProduct and clamp- pad Constrain the assembly 2
Copyright DASSAULT SYSTEMES Flexible sub-assemblies (2) : Constrain Full Assembly In this step you constrain full-clamp 15 mn Exercise
Copyright DASSAULT SYSTEMES Do It Yourself 1. Constrain the full assembly in design intent Fix in-space clamp-pad Set surface-contact constraints following the picture Set axial coincidence and points coincidence.
Copyright DASSAULT SYSTEMES And now practice in the context of the Flexible Assembly 1 3 Change configuration of one sub-assembly Create and name the assembly, insert components from sub- clamp.CATProduct and clamp- pad Constrain the assembly 2
Copyright DASSAULT SYSTEMES Flexible sub-assemblies (3) : Change configuration In this step with flexible/Rigid command, you simulate two configurations for sub-clamp assembly - First configuration:Open (value=60 mm) - Second configuration:Close (value=72.7 mm) 15 mn Exercise
Copyright DASSAULT SYSTEMES Do It Yourself 1. Make flexible one instance of sub-clamp 2. Edit and change numerical value of the offset constraint Measure the distance to obtain the Close configuration Load : full-clamp.CATProduct