Chapter Eight презентация

A properly dimensioned drawing of a part is very important to the manufacturing outcome. With CATIA, it can be a very simple process. This simple Guide Block will show basic

Слайд 1Chapter Eight
DRAFTING and DIMENSIONING
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Слайд 2A properly dimensioned drawing of a part is very important to

the manufacturing outcome. With CATIA, it can be a very simple process.

This simple Guide Block will show basic dimensioning formats.

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Слайд 3There are a few simple ways to go from Part Design

to DRAFTING. If you double click the Part Design icon (top right hand corner) you will access a navigation window as shown. From here, you can pick DRAFTING.

Part Design icon

Choose DRAFTING

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Слайд 4Another way to do it is to click the START drag-down

menu and choose DRAFTING.

Drafting

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Слайд 5The NEW DRAWING CREATION dialog box will appear. The first thing

to do is pick your automatic layout.

Next, you can choose MODIFY and change ISO and ANSI standards, number of sheets and orientation, scale and others.

Orange shows it has been chosen

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Слайд 6Quickly the drawing is generated. All of the views we asked

for in proper orientation to each other.

This drawing is now ready for dimensions. Since the front view is highlighted, we can start there.

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Слайд 7Click on DIMENSIONING from the toolbar…
…And then choose a curved surface

to dimension.

Chosen surface

DIMENSIONING

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Слайд 8If default is DIAMETER, this is what you will see. If

you wish to dimension a RADIUS, highlight the line and right click on it.

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Слайд 9When DIMENSION TYPE appears, notice that it is default to Diameter.

Highlight RADIUS Center and click on it.

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Слайд 10
Your dimension is now a Radius. Lengthen and shorten the dimension

line by dragging it.

Click and
Drag

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Слайд 11You can add notes before and after the dimension by clicking

on the red triangles

Red triangles

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Слайд 12This text box will appear. Simply click in the empty field

next to “Text After” and type the note. Click on OK when you’re done and your note will appear in the drafting.

Type note here

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Слайд 13In this example, “TYP” was typed to indicate the dimension is

TYPICAL for these radii.

After you have clicked in the box to enter your note as seen on the previous page, press the “Space Bar” once to leave a space between the dimension and your note as seen here

1 Space

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Слайд 14All lines can be done in the same way. Simply pick

them and click on Dimension. If you are working on a large drawing, this single line picking would be rather tedious. There is another way…

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Слайд 15Click on GENERATING DIMENSIONS Step By Step. This will allow CATIA

to do the dimensioning for you one at a time, every few seconds, whatever timeout you choose.

Generating Dimensions icon

Click here to start the dimensioning.

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Слайд 16Once all of the automatic dimensioning is finished, you will get

an ANALYSIS of what was done.

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Слайд 17After the Auto Dimension, you may want to go back and

make changes. This is as simple as highlighting the dimension and making the appropriate change.

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