T-FLEX Parametric CAD. Fundamentals. 2D Design

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Sketch. Creating a Non-parametric Drawing. Automatic parameterization mode To divide an entity into an arbitrary number of equal parts, use the automenu option: Divide Graphic Line into “n” parts Upon calling the option, specify an entity to divide. If a closed entity was selected (a circle, ellipse or a closed spline), additionally specify the start point of division. As a result, the selected entity will be divided into the specified number of equal parts. The nodes will be created at the division points. The number of division parts of the entity is specified in the property window. Modifying splines Spline modifications are done somewhat different then other sketch entities. Let's review an example of trimming spline using the option . Upon calling the option, pick on the spline near one of its ends hanging off the intersection with another graphic entity - a line segment. As a result, the spline will be trimmed up to the intersection point. However, the geometrical characteristics of the spline are not modified by the section. The spline keeps the same set of defining nodes, it is only the visible image that has been trimmed. Instead of a node (that would disturb the spline geometry), a special section point is created at the intersection, called a “graphic line intersection”. This point becomes visible only when the spline is selected. Shortening a spline (the option ) is done in the same way as the trimming – the spline geometry is not modified, however, an intersection point is created in the specified position, limiting the spline visible image. When dividing spline into parts (the options and ), the new geometrically coinciding splines are created, based on the same nodes as the original spline. The number of created splines will correspond to the number of divisions. The visible image of each spline will be limited by the trimming points according to the bounds of the respective parts of the original spline. In this case, the spline may have two trimming points limiting its image. The position or the trimming point of a spline can be modified when editing the spline (see the section “Editing sketch”). Graphic Line Parameters Parameters of a graphic entity can be defined or modified at any moment of sketch creation or editing. The dialog box defining the parameters is called by the option: Set Graphic Line Parameters 287
<strong>Fundamentals</strong>. Two-Dimensional <strong>Design</strong> 288 Detailed description of graphic entity parameters can be found in the chapter “Graphic lines”. Working in the Automatic Parameterization Mode Let's review in detail working in the auto-parameterization mode. The general rules of creating lines in the drawing are the same here as in the sketching mode. Those fully correspond to what was said in the previous sections of this chapter. What is different is the result of construction – construction lines and based on them constrained nodes are automatically created instead of free nodes. The constructions created by the system in the auto-parameterization mode depend on the type of the line being created, the object snaps used in its creation and the line parameters defined in the command's properties window. Let's review working in the auto-parameterization mode using several simple examples. Let's start with constructing a simple segment. To construct such a segment, we need to specify the positions of its two nodes. In the sketching mode, the system will create two free nodes in the specified points, and a graphic line between them. In the auto-parameterization mode, the created nodes will be constrained. The method of constructing constrained nodes may vary. For example, if no snaps are used for creating the nodes of such a segment and you do not enter parameters in the properties window, then the segment nodes are constructed as follows: - For the first node, a vertical and a horizontal line are created at the specified point, whose intersection will be the node position; - For the second node, two lines are created as well. The first is constructed as going through the first segment node at an angle to the horizontal. The second is constructed perpendicular to the first line at a distance from the first segment node. Using snaps and defining parameters in the properties window could change the described rules when constructing a segment. Suppose, when defining the second segment node, a horizontal snap aligned to another node was used. As a result, the node will be created different from the described above; it will be constructed at the intersection of the horizontal line going through the snap node and a line perpendicular to it. If a double snap to a circle was used in the same situation, such as “Vertical tangency-Horizontal tangency”, then the segment node will be created at the intersection of the lines, which are the horizontal and vertical tensions to the given circle. Parameters defined in the command's properties window have a similar effect on the result of autoparameterization.
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T-FLEX Parametric CAD FUNDAMENTALS.
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TABLE OF CONTENTS Table of Contents
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Table of Contents “Commands” Ta
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Table of Contents Basic Rules of Gr
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Table of Contents Leader Note Examp
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Table of Contents Creating List of
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Table of Contents Defining Fragment
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Table of Contents Creating a Databa
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Introduction T-FLEX CAD: Features a
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Features and Area of Application lo
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Conventions Adopted in the T-FLEX C
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System Fundamentals. Customization
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T-FLEX CAD System Setup Running Ins
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Service Windows and Elements of Con
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Macros Window Studies Window (only
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To add a tool window to an already
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Getting Started Typically, nodes ar
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Leader Note is a standard element o
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Non-parametric Drawing (Sketch). Th
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Using Left Mouse Button • Pointin
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Getting Started In this volume, any
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Canceling a Command Getting Started
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Getting Started “PS: Show Model P
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BRIEF INTRODUCTORY COURSE Brief Int
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Brief Introductory Course To draw t
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Brief Introductory Course Move the
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Brief Introductory Course Note that
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Another way of creating nodes is us
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Brief Introductory Course dimension
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To explicitly call the text editing
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Brief Introductory Course This comm
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You are still within the segment cr
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Now, let’s construct the left sid
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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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