T-FLEX Parametric CAD. Fundamentals. 2D Design

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Introduction T-FLEX CAD: Features and Area of Application 18 Conventions Adopted in the T-FLEX CAD Guidelines 20
Fundamentals. Two-Dimensional Design FEATURES AND AREA OF APPLICATION 18 T-FLEX CAD is a parametric design and drawing system. T-FLEX provides high levels of drawing flexibility and supports modifications of the drawings while maintaining constraints imposed by the designer on the drawing elements. The unique parametric engine and a complete set of professional tools for computer-aided design simplify the design workflow and speed up preparation of drawing materials. T- FLEX CAD gives a designer a familiar feel of working with traditional paper and ruler equipment. Associative design driven by assigning and modifying variable parameters is the way to follow by all design and drawing automation systems. The particular success of T-FLEX CAD is based, in the first place, on the new paradigm of geometric modeling. This paradigm is about a new, deeper, level of parameterization, compared to other systems. The idea of parameterization itself has nowadays become a standard in CAD. By “parameterization” we usually mean a provision for a drawing extensive reuse by means of modifying its parameters. Virtually all CAD vendors claim parametric capabilities of their systems. However, these systems, originally introduced long before parameterization was adopted, often use their legacy data structures that are inherently non-parametric. This causes their solutions to suffer from ineffectiveness or limited range of applicability. The T-FLEX CAD’s revolutionary approach to the idea of parameterization and the fact that the drawings are based on inherently parametric models provide a new dimension for parametric design. T-FLEX CAD uses concepts and practices that are familiar to designers. At the same time, the user does not need to care about making a precise drawing at once. The modification capabilities via both dimensioning and free dragging are unmatched across other CAD systems. The assembly drawing environment is unique in its wide range of capabilities. T-FLEX CAD permits creating complex drawings where certain fragments can be bound by relations. A relation can be established either via geometrical properties or by parameters. The system correctly handles lines visibility throughout modifications, if some portions of the drawing overlap the others, with no limitation on the number of overlaps. It takes seconds to create drawings of a new product in a family by varying assembly drawing parameters. The modifications instantly reflect not only on the assembly but also on the member fragments (parts) and all the rest of the related documentation. One typical attribute of the parametric CAD systems is a language for programming parametrical relations. T-FLEX CAD has another advantage in this area. The engineer is not required to have any training in programming. The drawing parameters can be represented by variables. These variables can be related in simple mathematical expressions. This is done without using any programming language. The variables can be assigned either at creation of an element or while editing an existing one. The values of the variables can be obtained from other drawings or automatically input from a database. This provides for unlimited modification capabilities in drawing. Along with parametric design, T-FLEX CAD supports wide usage of quick drawing producing nonparametric sketches. This approach allows creating drawings in a way similar to major CAD systems by using a standard set of tools for drawing, i.e. various primitives, as arcs, circles, line segments, etc. The snapping mechanism is provided for easy sketching of new entities, such as horizontal and vertical alignment of the cursor with the existing entities or their ends, center-of-arc and center-of-circle snapping, etc. When creating arcs, snapping occurs around the 90, 180 and 270 degrees. The cursor also snaps to horizontal and vertical alignments with the arc center. The system automatically identifies multiple pairs of same-object snappings. Snapping to any object can be locked with the Function key, and the cursor will follow to the
Page 2 and 3: T-FLEX Parametric CAD FUNDAMENTALS.
Page 4 and 5: TABLE OF CONTENTS Table of Contents
Page 6 and 7: Table of Contents “Commands” Ta
Page 8 and 9: Table of Contents Basic Rules of Gr
Page 10 and 11: Table of Contents Leader Note Examp
Page 12 and 13: Table of Contents Creating List of
Page 14 and 15: Table of Contents Defining Fragment
Page 16 and 17: Table of Contents Creating a Databa
Page 20 and 21: Features and Area of Application lo
Page 22 and 23: Conventions Adopted in the T-FLEX C
Page 24 and 25: System Fundamentals. Customization
Page 26 and 27: T-FLEX CAD System Setup Running Ins
Page 28 and 29: Service Windows and Elements of Con
Page 30 and 31: Macros Window Studies Window (only
Page 32 and 33: To add a tool window to an already
Page 34 and 35: Getting Started Typically, nodes ar
Page 36 and 37: Leader Note is a standard element o
Page 38 and 39: Non-parametric Drawing (Sketch). Th
Page 40 and 41: Using Left Mouse Button • Pointin
Page 42 and 43: Getting Started In this volume, any
Page 44 and 45: Canceling a Command Getting Started
Page 46 and 47: Getting Started “PS: Show Model P
Page 48 and 49: BRIEF INTRODUCTORY COURSE Brief Int
Page 50 and 51: Brief Introductory Course To draw t
Page 52 and 53: Brief Introductory Course Move the
Page 54 and 55: Brief Introductory Course Note that
Page 56 and 57: Another way of creating nodes is us
Page 58 and 59: Brief Introductory Course dimension
Page 60 and 61: To explicitly call the text editing
Page 62 and 63: Brief Introductory Course This comm
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Brief Introductory Course Click , f
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Line Midpoint Horizontal/Vertical O
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Brief Introductory Course We will s
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Click and move the cursor leftwards
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Brief Introductory Course Next, mov
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Brief Introductory Course Next we n
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MAIN CONCEPTS OF SYSTEM OPERATION D
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Main Concepts of System Operation m
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Main Concepts of System Operation w
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Main Concepts of System Operation L
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Main Concepts of System Operation T
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This window can be floating or dock
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Active Drawing Window The T-FLEX CA
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An alternative way of maximizing a
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2. Tile Vertically. Do this by the
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Additional window of document Main
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Main Concepts of System Operation i
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A system-offered object snap can be
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General Concepts of Editing Element
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The context menu of an element can
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Filter There are several additional
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Main Concepts of System Operation A
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Main Concepts of System Operation C
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Layer Main Concepts of System Opera
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When using a variable for defining
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CUSTOMIZING SYSTEM Customizing Syst
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Load Previous Session Document on S
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Customizing System “Save” Tab A
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“Snap” Tab Customizing System T
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“Folders” Tab This tab is used
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Customizing System The “Scene rot
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Customizing System Additional flag
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Controlling Toolbar Visibility To s
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“Keyboard” Tab This tab defines
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Customizing System To modify alread
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Customizing System The buttons [App
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Customizing System - Mapping of the
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Customizing System Upon pressing th
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CUSTOMIZING DRAWING Customizing Dra
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Customizing Drawing Direction. Defi
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Customizing Drawing “Dimensions
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Customizing Drawing “Alternative
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Customizing Drawing “Preferences
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Customizing Drawing “Colors” Ta
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Customizing Drawing Default truncat
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Customizing Drawing “3D” Tab Th
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Customizing Drawing The command bri
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Libraries Active Configuration. Thi
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Libraries Cut, copy, paste. These c
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Libraries the model menu window is
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Pages Switching pages is done witho
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Pages The quickest way of creating
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Special Handling of Multi-Page Docu
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Fundamentals. Two-Dimensional Desig
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Drawing Editing Moving and Copying
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“Edit|Move|Rotate” “Edit|Mov
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Moving and Copying Drawing Elements
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ELEMENT REPLACEMENT Element Replace
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Element Replacement When using the
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Select the dimension and enter the
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Drawing Modification via Dimensions
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Relations created with the commands
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Relations The created Relations wil
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Variables and Related Parametric To
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Upon creating any variable of the T
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Comment of variable Variables If ne
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Creating Variable In the variables
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Variables The command “New Variab
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Variables the selected section. The
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Variables After calling this comman
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Variables Color. The color of grid
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Variables To activate the mode of g
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Variables Sort parameters are saved
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Variables Upon calling this command
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Editing External Variables Variable
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Call the command “EC: Edit Constr
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Variable Dependency Variables Varia
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Variables Attachment I. Rules for W
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Variables -23 % -5 = -3 23 % -5 = 3
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Variables The angle arguments of tr
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Variables TWORD(“string”, N) Ge
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Variables The detailed description
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LTOT ( 120.34567, 0.001, 1, 5 ) ret
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for text: “WIDTH” - the text wi
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for loop: “AxisX”, “AxisY”,
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Variables One more additional relat
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Variables BOMPAGES - returns the to
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Measure Elements and Relations betw
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Additional Methods of Calling Comma
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Hatches: Text: 3D objects “AREA
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Loops: Measure Elements and Relatio
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GLOBAL VARIABLES Global Variables A
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DATABASES Databases Databases provi
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Databases Name of the field. Define
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Databases argument_3 - the search o
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Save Database As External Keyboard
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Duplicate Keyboard Textual Menu Ico
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Databases decides what function to
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Control Elements. Creating User Def
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Use of the Dialog Control Elements.
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Parametricity of Custom Dialogs Con
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Control Elements Modification Contr
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The option calls the property windo
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Optimization The tolerance value de
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The example presents a kinematic sy
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Optimization After specifying the o
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Basic Fundamentals and Concepts of
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Let's review hidden line removal on
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List of Commands Used in Assembly D
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«BOTTOM-UP» DESIGN «Bottom-Up»
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«Bottom-Up» Design When creating
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«Bottom-Up» Design Initially, a n
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«Bottom-Up» Design As a result, t
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«Bottom-Up» Design The following
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«Bottom-Up» Design and allow open
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«Bottom-Up» Design In this case t
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«Bottom-Up» Design 3. Upon insert
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«Bottom-Up» Design With this type
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«Bottom-Up» Design It is possible
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«Bottom-Up» Design picture, other
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«Bottom-Up» Design Section “Pre
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Managing Fragments in Assembly Cont
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The option brings up the dialog box
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Editing Fragments In some cases, th
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Editing Fragments A detail drawing
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Editing Fragments The common variab
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Bill of Materials Working with BOM
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Bill of Materials Attention: the ch
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BOM Composition Any BOM is composed
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The icons for managing the list ele
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Bill of Materials The table on the
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Creating BOM on New Drawing Page or
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Switching Between the Assembly and
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Bill of Materials To reorder the gr
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Bill of Materials “Groups” Tab
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Bill of Materials Standard. Present
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Bill of Materials Substring from en
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Bill of Materials On the main toolb
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To have a BOM row ignored when sett
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Bill of Materials If the icon is in
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BOM Export Bill of Materials For ex
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Creating and Editing BOM Prototype
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Creating prototype for BOM located
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Format Paragraph Parameters of cha
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Bill of Materials Save this file. T
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Two-dimensional design CONVERTING D
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Two-dimensional design Performing C
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Two-dimensional design 760 After co
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Two-dimensional design 762 Use of t
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