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3D Functional Tolerancing and Annotation
‘STUDENT GUIDE
% Student Notes:
BAT CATIA V5 Training
Pare Pai
3D Functional
Tolerancing and
Annotation
Version 5 Release 19
August 2008
EDU_CAT_EN_FTA_FF_VSR19
‘Copyright DASSAULT SYSTÈMES 1
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About this course
Objectives of the course
Upon completion of this course you w
Add 3D annotations to a
Manage a jon these annotations
eate and manage annotation planes and views
- Manage the 3D geometry associated to the 3D annotations
Targeted audienc
Mechanical Designers
Prerequisites
Students attending this course should be familiar with
ics of Solids and Surfaces creation.
- Basics of Knowledgew
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Introduction to FT&A
Vhy do we need Geometrical Tolerances and Annotations
How to Generate Annotations
Basic Concepts of FTA
Unique Tolerancing Channel
Getting Familiar With FTA Workbe:
To Sum Up
olerancing Advisor
What is Tolerancing Advisor
Different ISO Standards Rules
Creating Datums
ing Semantic Annotation
N Elements Toleranci
Creating Non-Semantic Annotations
Creatin: ed Dimensions
To Sum Up
Creating & Managing FTA Anno
Creating View/Annotation
Aligned Section Views and Sectioı
Offset Section view / Section Cut
Editing and Managing Annotatio
Managing Captures
Generating Check Report
To Sum Up
ometry for 3D Annotations
Creating Constructed Geometry
Geometry Connection Mi
How to Create Restricted Areas
um Targets
ead Representations
How to Create presentation
How to Cr rmulas on Toler
To Sum
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ttings - Annotation
ttings - Toleraı
ettings - View/Annotation Plane
ructure Settings
ting S
te Dimension Display
um Up
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Introduction to FT&A
You will become familiar with the concepts behind 3D Functional Tolerancing &
Annotation workbench
y do we need Geometrical Tolerances and Annotations
How to Generate Annotations
Basic Concepts of F
Unique Tolerancing Channel
Getting Familiar With FTA
Sum Up
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Why do We Need Geometrical Tolerances and Annotations
Designers create parts that are generally
required to create an assembly of a particular
product. Each part will be engineered to
perform a function and, most importantly, to
assemble with a mating part.
Thus every part should EXACTLY FIT in the
final assembly and answer the requested
functions.
Parts cannot be manufactured to exact sizes
because of natural imperfections in the world,
including machine tools, part programs,
tooling, and also human errors. So a plan is
needed to allow the production process to
accept the imperfections. This gave rise to the |
concept of “Tolerancing” or “Allowable
Deviation”.
A tolerance is the amount of deviation from the exact size allowed on a part. Any part within
the tolerance will still be functional.
(E | Designers need to set part tolerances that are large enough to keep manufacturing costs
down and close enough to ensure that all parts will assemble with the mating part.
It is easy for the designer to use a close tolerance on features to reduce part dimension
variables; however the part cost increases dramatically as tolerances are reduced.
How to Generate Annotations (1/2)
Geometrical Features of the mechanism
Use Aptitu nditions
e 'Use Aptitude Conditions
fied during the functi ysis
Here is a mechanism with ‘Use Aptitude Conditions’ to respect:
1: Radial gap > 0.1mm
UAC 2: Axial gap > 3mm
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0.1mm
Axial gap > 3mm
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Basic Concepts of FTA
oe La
Real world
Virtual world
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Industrial Objectiv
As Built Means of Production
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Tolerancing Purpose
A bridg n the virtual & real world
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Tolerancing Scope
“Transversal topic: Dimensional Management in the Product Development
Process”
e
Voice of Customer Design
Manufacturing
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Current Tolerancing Situation
Pains:
High cost of Manufacturing due to over quality
High rate of faulty parts produced.
Products not complying with customer requirements.
ing changes in the final stages of the project.
ctives:
Products which fit the customers’ requirements and can be produc
Product and Process optimization.
Facilitate transversal coll tive work.
Potential Tolerancing Improvements
“Create a unique Tolerancing channel”
&
=
de
‘Manufacturing
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Unique Tolerancing Channel
go
Voice of Customer
ZN
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Design
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Transversal Topic:
Lets have a look for Design purpose
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Usual Design Process:
nt Design Process:
Drawing
Annotations not linked with 3D g
Consistency between 2D Drawings & 3D G
mistakes, oblivion & misunderstanding.
Tolerances and dimensions redefined & al times in the produc
Value Propo:
Drawing as res
lopment process.
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New Design Process - FTA Way (1/4)
Geometrical Definition
Select & Validate
Tolerancing schema
Generate drawings & Look
through 3D annotation during
digital mock up review process
on: Dimensioning, Tolerancing, Notes,
Dimensional Quality
jerance Analys
+ Toleranci
To be used by D
support
4.41-200
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New
TA Way (3/4
2D creation
3D Geometrical
modification
=>
=)
2D Update
On Update: 2D geometry and annotations are
modified
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n Process - FTA Way (4/4) ses
Main Characteristic:
Fundamentals (E
» Creation of annotations without semantic and syntactic control (Industry Standards)
+ Linked to the 3D geome!
+ All Interactive Drafting
alidity of the tolerancing, through
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iliar
You will become familiar with the User Interface of Functional Tolerancing &
Annotations workbench.
CE
(ls
Patt
27 pone
27 ya plane
2 7x plane
#8 Partñodr
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g & Annotation
ing Tolerances on Product:
Tolerances on Products
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Accessing the Workbench
at Part, Product and Process level in any CATPart,
t respec
It is possible to work with FTA
CATProduc
a ares
I xy ae |
Mer e]
A Sri 2 ya oie!
Isom Seen Des Partlevel FTA, Lo axplane!
Product Level FTA
nostro
R
JD tchorcalosin Ber
RE Process Level FJA HBB pois
Anal a anderen
Asc Pane Produclist
Zi Rescurceslist;
lowing annotations tools t
E vis ne
27 plane
ne =
Esos
sunReferecng Magen
tn Venen oe
of satin nuit ct
ond Scien ici ut
snore epee Pare
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SE OR
To Sum Up CS
You have seen:
How FTA helps to bridge the gap between Real and Virtual world.
The New Design process using FTA
The User interface of FTA workbench
The Tolerancing Advisor
In this lesson you will learn how the Tolerancing Advisor facilitates creation of
Tolerances, Datum features, Semantic and Non- Semantic Annotations.
=
=
=
=
=
=
=
=
What is Tolerancing
Different ISO Standards Rules
Creating Datums
Creating Semantic Annotatio
N Elements Tolerancing
Creating Non-Semantic Annotations
Creating Fram
To Sum Up
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a tool to 3D annotations on a product
jermissible annotations
When this i When this
surface is i Edge is
selected.. selected.
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Different ISO Standards Rules (1/5)
International Organization For Standardization Rules Number 406.1987: These Standards
are used to set Tolerances for linear and angular dimensions in technical drawings.
Elements Type of Tolerances — [Tolerancing characteristics Symbols
Linear
bolted elements aa Es
(110 N Elemens) Angular &
El
}
3
Different ISO Standards Rules (2/5)
tional Organization For S
rdization Rules Number 1101.198
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Elements
Type of Tolerances
Tox
rancing characteristics
Symbols
Isolated elements
Isolated or associated elements
Profile
Straightness
Flatness
Circulanty
Oylindrieity
Profle-otLine
Profte-ofSurace
Orlentation
Parallelism
Perpendicularity
Anguiaity
Associated elements
Position
Positon-with-ORF
‘Concentiity
‘Symmetry
Circular Runout
Total Runout
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International Organization For Standardization Rules Number 1101
Powertrain case Study
Runout specification Orientation &
position
Profile specification specifications
Context Functional Tolerancing for connecting rod
Different ISO Standards Rules (4/5)
International Organization For Standardization Rules Number 5459.1981:
Datum Frame: y
Element not used as Reference Frame
Datum, but needed to create
Reference Frame Datums (see next page)
Reference Frame Datum: |
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Different ISO Standards Rules (5/5)
International Organization For Standardization Rules Number 5459.1981:
There are 3 kinds of Reference Frame Datum: a
3
3
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Creating Datums
el
5
i
}
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What is Datum (1/2)
Datums are used to identify the datum element in the tolerance frame, specified
case of geometrical tolerancing and on form tolerancing. The Datum element may
be a face of a part. The face marked with Datum, indicates that the face will be a
reference face her faces will be machined with respect to this fa capital
letter ntify the datum element.
You f ds:
ystems
jements
n Composition
n only one identifier is specified in the tolerance frame, the datum is a
le datum,
ren the identifiers are specified separately in each frame of the tolerance
frame, the datum elements represent a datum system. Reference A is the
primary datum and reference B is t ndary datum. Using this datum
system, fitting will be performed first on datum A, then on datum B, with
ect to A
AB
o identifiers separated by a dash are specified in the tolerance fram
the datum is a common datum. The two datum elements are to be considered
simultaneous!
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Simple Datum
elements > faces are Datum Fa
with Simple Datum El The Hole will
ined with D: \ and Datum B
Specified Datum
systems
Hole positior 1 respect to the system
positioned respectively to face A.
[DERIO
Common Datum
elements
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Select the Tolerancing Select the element that should be Datum.
Advisor icon In this example, a face is selected
O The Semantic Tolerancing Advisor dialog
box is displayed.Select the Datum icon.
e annee rae
Click to create datum = — Lasse ste rah sit senate
reference frame ——
‘Annotation Seti
@ Views
FDauns
À Simple Datum.t (A)
Reference Frames
1 Datum Reference Frame 1 (A
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er to create nce Frame Datum, Simple Reference Datums
have to be created before
O Select the Tolerancing Advisor icon O Click on ‘Add’ to create New Reference
Frame Datum = a
ME » : snes tose itn os re
Reference Fram
Select the Primary Reference Datum O
Pst eters
===
eI so
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Eng time ra
m WM
You can use t atum Ref Frames to define Geometric tole!
Interpretation of the following example: The Position of the hole with d
h respect to Datum e zone of 0.01 m
car eles ree Comando GE 85 Art Se
=e 6 | Piper
7 simple Datum. (A)
Reference Frames
In order
have
O
Select the Primary and Common
reference Datum in the dialog box
La Refer 213
Ta
Click on ‘Add’ to create a New
Reference Frame Datum
Corte
sers arme ras
ies 1
= |
Click in the first Datum Frame Box Select the Common Reference
Er: a Cox xx
ae Tr
DE al
= |
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How to Create Common Reference Datum Element (2/2)
Pct to nc TE
In the example below concentricity is maintained with respect to Datum A
and B simultaneously.
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tations
In this skillet you will learn what are Semantic Annotations and how to create them.
comme
ee |
Semantic
nent
ic Tolerances are cre
tency with the geometry.
The Semantic annotati an be
tolerance analysis, inspection,
Following are the Semantic Annotati
Tolerancing Advisor
ext with Le:
Flag Note with Leader
m Elemen
Generative Dimer
Dimensions
Framed (Basic) Dime
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mantic Dimensions.
‘Steet the Hola TOMES almenaton Select Diameter Dimension. The command
Ha elect Teleranclng Adlsorichn, frame only display dimensions that
correspond to the selected element.
eS ee
ementis a
imensions are
Enter the tolerance value and select the
Enveloping condition.
Click OK in the Limit of Size Definition
dialog box.
ond to the se
Select the Face to be toleranced
and Tolerancing Advisor tool
mr
O eva pr [10-5]
coral | Unt ose |
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Semantic Tolerancing Advisor displays
‘corresponding Form dimensions.
Select ‘Flatness
Click OK in the Geometrical Specification
dialog box.
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orientation tolerances, you must ha
Datum Reference Frame A is already
created.
Select the Tolerancing Advisor tool
Select the Datum Reference Frame A and
also select ‘Perpendicularity’
Existing Datum Reference Frame —-Cosmends
‚ade... | Geemetricteature type [One surface; the sele
thst
Enter Tolerance Values in the
‘Geometrical Tolerance’ Dialog box.
Select one of the patterned hole
feature and click on the Semantic
Tolerancing Advisor icon.
Observe that the Geometric feature
type has changed to ‘Pattern
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Click on “All same diameter
parallel cylinder’ icon
=
(a Pt ee
Apply the appropriate tolerance to
the multiple selected holes and
Click Close.
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Pattern Illustration (3/3)
Using Propagation Selection in case of spherical feature.
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Creating Non-Semantic Annotations
In this skillet you will learn what are Non-Semantic Annotations and how to create them.
What are Non-Semantic Annotations
Non-Semantic Tolerar CATIA Objects which do NOT automatica
count the elemen anced and the context.
They are NOT defined in the ISO or ASME/ANSI standards. Non-Semantic 3D
annotations can be used in case of company defined symbols
covered by standard
When Non-Semantic Annotations are created:
hical attributes are taken into account.
control over the attribute values
here is no control of consistency regarding the geometry
ich it is applied.
an be created in the form of;
Flag Note
Note O
You can also create these annotations by using ‘ Tolerancing Advisor
This will be explained in the following slid
take into
at are not
tool
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notation
Entra Daun Reference Frame —-Commands
e creation is a Non:
hyperlinks to the document
@ Select the element to annotate
Type the name of the link and
add the link
Type the name of the
=
Select the file to link
to the element
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vs to add
Click the tolerancing advisor icon and
select the “Flag Note with Leader” icon
lat:
Click on the Note to open
the attached document
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Click the tolerancing advisor icon, select
the “Roughness” icon, choose the type and
the roughness value
= 21x
|
Pe SE] ewes
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Be VE
Creating Framed Dimensions
In this skillet you will learn Framed Dimension creation
d Dimens
Dimensions are used to specify the location or si
to partial references, restricted area:
ons
or one of the following tolerances.
Dimensions rer t the dimensions
hich will not be altered during
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e of a element. They must be linked
nufacturing
froterancing characteristics
Symbols
Isolated elements
isolated or associated elements
Profile
Straightnoss
Flatnoss
Circular
Gyindricit
Profile-of-Line
Profile-of Surface
Orientation
Parallelism
Perpendicular
Angular
Associated elements
Position
Positionwith-DRF
Concentricity
Symein
Runout
Circular Runout
Total Runout
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How to Create Framed Dimensions
You will see how to create Framed Dimensions
Aka ston
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create Automatic Fram:
sition (localization) atum r
lo a patte:
m of oyli
Framed |
Dimensions
Framed (Basie) di
You will see how to create
Click on ‘Framed Dimension’ icon
and select an annotation on which
you can add framed dimension.
The views/annotation p ai shed frame in 3D alo
axis system. The frame gets automatically resized to accommodate new
annotation in a particular view plane you have
to receive new annotatio!
hether the ne
eation o view plane.
sy poe
no
ae : Frame
mb
Sat s,
> ? Section views: Represented by Green axis
Sean ion
i@ sean cis Yew
Front views: Represented by blue axis
Active’ Front
Eo Section Cut views: Represented Blue axis
The normal axis is red until you create an annotation
on/View Pla
notation/View Planes?
o provide
Annotatio
it is always created on an Annotation
motation or view planes. An:
these planes.
annotation (
view planes
2D dra
The drawings generated will
eating annotations on th
awings. This is done by extract
Norkbench.
tes
Lu Turm.)
lps to transf
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to annotations. Whenever an annotation is created
ing these Planes, you can create different
um, Text etc.) th will create will lie on one of
annotations crea
from 3D" functio
ns embedded in
Section View. 16+
Scale: 3:1
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it Annotation/View Planes (3/3)
Annotations will lie on a Particular Annotation Plane?
If the Annotations are created on the view plane itself
In case when creating front/projection views, If the annotations lie in the planes parallel to the view
plane and are in foreground and background spaces.
In case of creating of Section views, If the annotations lie in the planes parallel to the view plane
and in the background space his view/annotation plane.
The Annotation Plane should interse related geometry.
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How to Create Front View Annotation Plane
Front Views are represented by blue axis and identified as “Front View” in the
specification tree
Front View is Extracted
Open the model containing 3D
annotations and set themall visible
select the annotation plane
either from the Tree or from
the 3D geometry
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Switch to Generative Drafting
workbench
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General Proces
osition
When you extract a 2D
drafting
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ana) pe
D (3
ation does
The dimension is on a
je hole that is not visible
in this view.
Figure 1 Figure 2
d Cross can be avoided by changi
g the settings
Right-click on the view > Properties
eneration Mode of Annotation. Deactivate ‘Gene:
Figure 3
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aligned section cut is created from a cutting profile ¢
jon-parallel s. In order to ir section, certain
(the cutting plane) may be bent so as to gh the re
plane and feature are then imagined to b
Aligned sec e made up of severa
Aligned section cı 'e made up of
Aligned Section
The view is
views/cuts
extracted using
this plane
The Sketch represents a cutting profile. The Several annotation planes are created passing through the
sketch geometry contains lines which are not profile. You can use these planes to create aligned cuts/views
perpendicular to each other
1
ing any one of these
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How to Create Aligned Section Views/Section Cuts
You will learn how to create Aligned Section Views/Section Cuts
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More on Aligned Section Views/Section Cuts
Section Cuts are represented by yellow axis and identified as “Section Cut” in the
specification tree
Section Views are represented by green axis and identified as “Section View” in the
specification tree
Select the previously
created camera to. ————— |
associate it with the
[Capture 05
[no camera
PR
capture
No camera
iso
back
left
right
top
bottom
bs
a) 2-—
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Activate the associated view when
capture is displayed
Activating this function will add
every new annotations to the
capture
Clipping plane automatically
activate the view state
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How to Create a Capture (3/3)
Uecde cd
assembly Managererk >
3
3
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Use the annot filter and hide/show command to select the annotations you w
More About Creating Captures (2/2)
When you have more than one capture
capture, without editing it. New annota
ht-click on the ure and select
it and select “Unset Current
\motation Set
Captures
E CE
A core oi DAS
ip Views Paste Soil.
EL Section view
Applications Cod
rrent
et any cap! current
ed to it.
To unset the capture, right-click
Wikis”
Pace
Fp views Paste Spada
(Section View sate
Applications
any
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Activate this function to
generate a check report.
Itindicates which rules are
broken
n gent
in order
k report: a set
the Report Cus!
tomisation
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en examples of collaborative work with wledge tools
low to create various annotation planes
manage annotations
ate captures in case of document loaded with annotations
How to generate a report
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Geometry for 3D Annotations
In this lesson you will learn how to add new geometries, replace geometries and
reconnect their tolerances.
= Creating Constructed Geometry
= Geometry Connection Management
= To Sum Up
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is Constru
ted geometry (such a point, axis, median pla! ed in order to
define the theoretical dimensions of parts or products (framed dimensioning)
tructed elements re nt the tolerancing feature and are used to define the
tolerance zone position of
Geometrical tolera
Related positio ti f a Datum referer
Size and position of a
or a datum target
The capability a ni try that has been manually
created by tl
The existing g y, the constructed geometry is the
esenting geometry
Itis possible to autor y ci Axis, Plane,Cylinder
her
cle: Cylinders
Fora circle, the For a cone, the constructed For a circular pattern, the
constructed geometry is geometry can be a circle (and constructed geometry is
its center point a plane) a cylinder
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How to Create a Constructed Geometry (1/3)
Following process explains how to create Constructed Geometry for one selected
element
2 cancel |
Following process explains how to
elements
O
function
Check the
geometrical
element creation
box and Click OK,
For two selected
planes, the
constructed
geometry isa
jedian plane
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How to Create a Constructed Geometry (3/3)
The constructed geometry is placed in a specific node of. ¡Erazo
the annotation set.
This geometry can also be deleted with the constructed
geometry creation function
Restricted Area 1
on geometries
Ee apie parer
aan Uncheck the Axis The constructed
box geometry is
automatically removed
(ES
GR
3
}
3
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Geometry Connection Management
In this skillet you will learn how to add new Geometries, replace Geometries and re-
establish their tolerances.
90] sc
ion offers to create, delete, modify or re
ing annotation
agement it is possible to conne
Geometry connection Management you can rep!
etrical modifications don’t need an
update (like translation, or di
Element definition modification Distances values and
diameter modification
w feature in the
rom a group
Automatic
update
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t (2/2
agement (2
Use the tool shown below to conne
geometrical modifications (
the Ge
odifying the hol
Accessing Geometry Connection Management
You can also Access Geometry Connection Management using contextual menu.
Right-click on an desired annotation and select Associated Geometry >Geometry
Connection Management
10104
aa
erate on
Bist
eres
er Slaten,
Kat
(Beate
Fat Sec
Dome
Linear Sons object
Cape Managers
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Observe
that ONLY
selected
tolerance is
transferred
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onnection M
> the feature on which it v
erance connected u
h Datum ‘A’ &
e, Flatness tolerance al
nsferred
Datum Reference Frame will be tr
ope Range: O) Unique 8 Local O Global
fected 30 annotations: ‚Check va |
Annotations arenas Tra. [cures | [>
Geometry Ok OK
imple Datum 1
ates. 1 Geometry OK Ok
Datum Reference Frame. Reference ox
All Validity checks are passed
ectly connected or indirect
ransferred.In this case, In th e, Flatness
Linear Dimension will be
When Using ‘Global’ Scop ge: Every tolerance that are di
the feature on which th elected tolerance w
Datum Reference Frame a
tolerance along with Datum
ffected 30 Annotations: (Check Valet
Annotations [Effecttype [intialvali.. [ Current...
enple Datum. 1 etry OK
latness.1 Ge: ek
Dimension.1 Geometry CK
tum Ref ok
All Validity checks are passed
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To Sum Up
In this cou
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Advanced Functions
In this lesson you will learn Advanced functions to create Restricted Areas, Datum
targets.
3
5
3
i
2
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What are Restricted Areas
Restricted Areas
When the interface between two elements (or more) is done partially, the restricted area
has to be used to specify the kind of contact (surface, circle, line...) and tolerancing in a
way to ensure that the function realized
Semantic Control
Always try to create semantic tolerances and dimensions
Days try to create semantic general tolerances on dimensions
Non-semantic tolerance creation allowed
Nor-semantie dmension creation allowed
Leader associativity to the geometry
ff CET
O Perpendicular
Publehed Geo
GE, create annotation on publshed geometry only
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Dspley | Constructed Geometry | Maniadstrs | Denain (Carnation
Annotation Creston
EC arnottion along the cursor (CTAL tools)
‘Geometrical Tolerance
A TN |
3
3
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FTA Settings - Tolerances (1/2)
Access Tools > Options > Mechanical Design > Functional Tolerancing & Annotation >
Tolerances
A Le
Poor ses
Le Defeutuppertokrance vale
Symmetrie ist
De ewer trance vein
nace vai araant
Generate da
TE
HA Defautuppertokrenevahe
Sri ene Im
Def loner tocas velo
ance ves remar
Defasetsbsaed vee
Gener tolerances dle
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Cache Management | Cor Managemen’) | ENOViAWom | Nodes Customaton [pred
General
Save level of datas incor
LI Save nec elements car
optimizes cgr for large assembly visualzation
Appleative Data
U] Save density in car
(save 4 comment pages cor
Cove We ker fers cor
‘Save 30 annotalion representations in car
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The Infrastructure Settings (2/3)
Access Tools > Options > Infrastructure > Part Infrastructure > General
Gene) Dickey | Patent |
a
[Keep link with selected object
O Show newly created external references
(Ci Confirm when creating a Ink with selected object
esencia)
rest extemal selection wth btn hd cents
¡Allow publication of Faces, edges, vertices, and axes extremities
vda
eo
ken are
in
Citivas latón
menos
Death alt lobos
[Delete exclusive parents
RE
rales a anes te nak Goa
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sson you have seen
Various User settings to enable to you customize FTA to your style of working
rastructure Settings
Sum
In this course you have
low to Create Semantic Annotations using Tolerancing Advisor
Annotatio
How to link Annotations with Geometry
Some Advanced functions like Restricted areas and Datum targets
Various User Settings
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