Tài liệu PREPARING THE SHAFT FOR DETAILED DRAWING doc

The message prompt to Select CENTER POINT fro drawing view, and pick a location near the middle left of the drawing – see Figure.. Create A Projected RIGHT-SIDE View Of The Shaft Click

PREPARING THE SHAFT FOR DETAILED DRAWING

ME-430 INTRODUCTION TO COMPUTER AIDED DESIGN

SHAFT DETAILED DRAWING Pro/ENGINEER Wildfire 2.0

Dr Herli Surjanhata

PREPARING THE SHAFT FOR DETAILED DRAWING

Open shaft.prt, and make sure you have the saved view ISO_1

Create A Cosmetic Curve And An Axis Through The Curve Portion Of The Keyway

From Insert pull down menu, select

Cosmetic -> Sketch

Click Done

Select FRONT as sketching plane, then click Okay

Select Top in the SKET VIEW menu, and pick the TOP datum plane

Select the curved end of the sledgerunner keyway as a reference

Pick this curve

for reference

Sketch a circle as shown

Click

Create An Axis Thru The End Of Keyway

Click , and pick the curved end of the sledrunner keyway

CREATE A DETAILED DRAWING OF THE SHAFT

Select the Create new object icon

Choose Drawing from the New dialog box Enter the name shaft

Uncheck the Use default template Click OK button

Accept SHAFT.PRT as default model, and click Browse button to pick c.frm

format

Select Open

Click OK button

Create FRONT, TOP, RIGHT-SIDE, ISOMETRIC and Detailed views of the shaft

as describe and shown below

Create The First FRONT View Of The Shaft

Click to insert drawing view of the shaft

The message prompt to Select CENTER POINT fro drawing view, and pick a location near the middle left of the drawing – see Figure The Drawing View dialog box opens

Under Model view names, select

FRONT from the

list

Click OK

Turn off the datums and coordinate system

, and click to redraw

Unlock the movement of drawing views

Right-click the graphics area, and select Lock

View Movement

Now the view can be moved

Or click to unlock or lock the drawing views

Create A Projected RIGHT-SIDE View Of The Shaft

Click the FRONT view, then right-click and select Insert Projection View

Pick a location to the right of the front view

Create A Projected TOP View Of The Shaft

Click the FRONT view, then right-click and select Insert Projection View

Pick a location to the top of the front view

Create A Scaled ISOMETRIC View Of The Shaft

Click to insert drawing view of the shaft

Pick a location near the upper right-hand corner

of the drawing

Under Model view

names, select ISO_1

from the list

Click Apply

Select Scale under

Categories

Pick Custom Scale Enter 0.5 as scale for view

Click OK

Create A Detailed View Of Snap Ring Groove

From Insert pull-down menu, select

Drawing View -> Detailed

Pick a point on the top view in the center

of the snap ring groove

The boundary of the detailed view are defined with a spline To sketch a spline, pick points around the center point to define the view boundary Press middle mouse button to finish

Pick a location above the snap ring groove on the top view

The detailed view appears

Be sure to move the detailed view and notes to best location – see figure

Pick a point here

Define View Display

Define view display to make sure that HIDDEN LINES will be printed for each drawing views

• TOP, FRONT & DETAILED views will be displayed with hidden lines

• RIGHT & ISOMETRIC views displayed with no hidden lines

Pick the front, top and detailed views, make sure it is boxed in red Right-click, and select

Properties

Un-check Use

present view style

Select Hidden for

Display style

OK

Pick the right and isometric views, make sure it is boxed in red Right-click, and select

Properties

Select No Hidden for

Display style

OK

Add Dimensions to the Drawing Views

Click to open the

Show/Erase dialog box

Verify that the Show button is selected Click the dimension button Select Feature and View in the Show

By section

From Show pull down menu in the

Navigator, select Model Tree

Pick the revolved protrusion in the Model

Tree or front view

Click OK

Click Accept All button to keep all the dimensions shown

Zoom into the detailed drawing

Pick the snap ring groove

Click OK

While Sel to Remove button is selected, pick the 0.60 dimension to remove it Click OK

Pick the keyway and the snap ring groove in the top view, then click OK

Show Axes in the Drawing

Toggle the Dimension button off and the Axis button on Under Show By, select View

Pick the front view and click the Accept

Pick the detailed view and click the

Accept All button

Zoom in to the right side view

Click the Erase button, and Axis button Under Erase By, select Selected Items Pick the small transverse axis through the sledrunner keyway to remove it

Show the Surface Finish Symbols

Toggle the Axis icon off and the Surface

Click Show All

Click Yes

Erase the Cosmetic Curve from Isometric, Top and Right Side Views

Select Erase, and toggle the Surface

Finish icon off and the Cosmetic icon

on

Under Erase By, select View, and pick the isometric view, the top view and the right side view

The only cosmetic curve remaining is on the front view

Close the Show/Erase dialog box

Clean Up the Drawing Dimensions

Click Pick front, top, and detailed views

Switch the Diametral Dimensions to the Top View

Zoom in on the front and top views

Pick the four diametral dimensions Right-click, and select Move Item to View Pick the top view The dimensions move

Move the diametral dimensions underneath the top view

To move the dimension, click the dimension, left-click and move the highlighted dimension to the desired location

Right-click and select

Properties

Pick Move Text

Move the numerical value of the dimension to the left

Pick the 3.00 keyway length, and move

it to the front view

Right-click and select Move Item to

View

Pick the front view

By default, the movement of drawing views with the mouse is disallowed So, to move the view

click , and now the view can

be moved to desired location

Pick the text in the detail note and move

it to the center of detailed view

To move the extension lines, pick the dimension, then press and hold left button of the mouse on the extension line, and move it up

The result is shown below

The result after clean up is shown below

Create a Section View for Dimensioning the Keyway Depth and Width

Click the front view, then right-click and choose

Insert Projection View

Pick a point to the left of the front view Turn on datum plane - and repaint the screen -

Pick the left view just created, then right-click and choose Properties

Select Section under

Categories

Pick 2D Cross-section

Select Area

Click

Planar -> Single -> Done

Enter A for the cross section name

Select Make Datum -> Offset

Pick the RIGHT datum plane in the front view

OK

Select Enter Value

Enter a value of -3.5

Pick the front view to display the arrows

Dimension the Cross Section View

Click Make sure and buttons are selected

Select Feature and View

Zoom in to the section view and pick the keyway Click OK, then select Accept All and close the Show/Erase dialog box

Pick the .1875 dimension for keyway width from the top view, right-click and select Move Item

to View

Pick the section view Move the dimension to position it correctly Use Flip Arrows to reposition the arrows outside the extension lines

Change the Line Style of the Cosmetic Curve

From Format pull down menu, select Line Style Note that Modify Lines is

selected by default

Pick both halves of the cosmetic circle

Click OK

Using pull down menu under Attributes, select PHANTOMFONT

Click Apply, then Close the dialog box

Create a Note for the Keyway Cutter

From Insert pull down menu select Note

Select With Leader and accept the remaining defaults -> Make Note

Select attach point on the cosmetic curve with left button, then select note location with middle button

Enter KST CUTTER and hit Enter twice

Done/Return

Move the note if necessary

Redefine the Shaft for Correct Dimensioning

It is a common to dimension the axial locating dimension for the snap ring groove from the end of shaft rather than from the

shoulder

Redefine the shaft so that the correct dimension exists in the part model

Open the SHAFT.PRT

Pick the revolved cut in the Model Tree, right-click and select Edit Definition

Select Placement -> Edit

Click and select from the Section dialog box Click to finish

Activate the shaft.drw window

Zoom in the detailed view, and click to open the Show/Erase dialog box When the dialog box opens, verify that the Show and Dimension buttons are selected Select Feature and View in the Show By section

Pick the snap ring groove in the detailed view Click OK, and select Accept All

Close the dialog box Move the position

of new dimension

Add Dimensions for Rounds and Chamfers

Zoom in the top view, and click to open the Show/Erase dialog box When the dialog box opens, verify that the Show and Dimension buttons are selected Select Feature and View in the Show By section

Pick the chamfers and rounds in the top view If necessary use Pick From List to select the correct feature Note that Pick From List can be accessed by right-click the mouse button

Click OK, select Accept All, then click Close

Move the R.03, 45º x 02 and 45º x 03 to the new position located in the top area

of the top view – see figure

Pick the 45º x 02

dimension, click to activate the Right Mouse Button short cut menu and select Edit

right-Attachment

Pick the new location as shown below

Repeat the same technique for other dimensions Move the dimensions if necessary The resulted rearrangement is shown below

Note:

To move the numerical value of the dimension to the left Pick the dimension, and hover the cursor over one

of the two red squares The cursor changes to two arrows symbol Press left mouse button, and bring the dimension to the left

To move dimension text, left-click the dimension, and bring the cursor over the numerical value of the dimension, press left mouse button, and bring the dimension to the desired location

Create an additional note for the R.03

round

Pick the dimension, and right-click to activate right mouse button pop up menu Select Properties

Click in the Dimension

Properties

Enter “TYP” after R@D symbol

Click OK

Repeat the same technique

to add additional note on the

45º x 03 chamfer

Enter the text CHAM TYP

Repeat the same technique

to add additional note on the

45º x 02 chamfer

Enter the text CHAM

Add Jogs in the Leaders of the 0.02 Chamfers

Create a note with two leaders for the 0.02

chamfers

From Insert pull down menu, select

Note -> With Leader and

accept default setting Select Make Note

Pick both silhouette edge for 0.02 chamfers

Click OK

Done

Pick a point on the drawing for placement of the note – just above 45º x 02

Note that the dimension automatically switch to their symbolic form Note the parametric symbol for the chamfer d22 Be sure to use the correct symbol if

d22 is not correct

Note: To enter º symbol, pick it off the

symbol palette

Enter the text: 45º X &d22 CHAM

Hit Enter twice

Done/Return

Move the arrow heads of the leaders as shown in the figure

Erase the old chamfer dimension

Pick the leaders, and click to activate the pop-up menu

right-Select Insert Jog

Pick on the leaders to create jogs and drag them into desired location

Click the middle mouse button to finish After creation, the jog points can also be moved The resulted jogs are shown below

Create Two Missing Diametral Dimensions

From Insert pull down menu, select

Dimension -> New

References

Pick the opposing silhouette edges of the section of the shaft for which dimension

is missing – see figure

Place the dimension by clicking the mouse middle button

The resulted dimension is .79 Repeat the same technique for the other section of the shaft

Move the dimensions to better positions

Missing dimensions in two places

Show Tolerances on the Drawing

Click File pull down menu, select

The File Properties menu opens

On the Menu Manager, click Drawing Options The Options dialog box opens to the options in the current drawing setup file

Scroll down to the section marked Find the entry

tol_display, and change the value to yes

Apply -> Close -> Done/Return

Click to update the change

If the default tolerances shown at the bottom of the screen and in the title block are correct, the dimensions can be returned to their nominal values

Pick the round and chamfer dimensions, the 75 diametral, and the two 1.053

diametral dimensions Right-click to activate pop-up menu and select Properties

When the

Dimension Properties dialog

box opens, use the pull-down menu to change the

Tolerance mode

to Nominal

Click OK

Repeat the same technique for the jog dimension Be sure the numerical value

is highlighted in red

Do the same for all dimensions on the front view

Add diameter symbol in the two dimensions shown – diametral dimensions without Ø

Pick both dimensions, and right-click Select Properties

Click Dimension Text tab

Pick Text Symbol

Insert in the front of @D

Pick the 80 and 78 diametral dimension, and right-click

Select Properties

Change the number of digits to 4

Zoom into detailed drawing

Modify the dimension to Nominal

For the snap ring, the diametral tolerance is ± 003 and the width tolerance is +.003, -.000

Pick the snap ring groove diametral dimension, right-click and select Properties

Enter limits of .707 and .701 Select OK

Enter limits of .049 and .046 Select OK

Do the same for the snap ring width dimension

The resulted tolerance is shown below

Use the same technique to modify the tolerance dimensions of the keyway in the section view

Pick the depth dimension, and modify it

as shown

Pick the width dimension of keyway, right-click and select Properties

Change the number of digits to 3

Enter the limits as shown

Enter the necessary information in the title block

From Insert pull-down menu, select Note Accept all default, and select Make

Note

Pick the location as shown, and enter the text

Hit Enter twice

Enter the following information for the title block

Click

here

Change the font of the text

Pick all the texts, right-click and select Text Style

Use the pull down menu to change the font

Click Apply, and pick OK

Note:

To change the text height, uncheck the Default box, and set the new text height

Text Style can be accessed by selecting the text, right-click and select Properties

Select Text Style tab etc

Save the drawing