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ME-430 INTRODUCTION TO COMPUTER AIDED DESIGNHexagon Bolts using
Family Table
Pro/ENGINEER 2001
Dr. Herli Surjanhata
Create a cylinder with dimensions shown below:
Note that the sketching plane is TOP datum plane, and use RIGHT
datum plane as
right reference for orientation of sketching plane. This is
one-side protrusion using acircle as a section.
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Create one-side protrusion representing hex bolt head as shown
below.
Use the top surface ofthe cylinder (bolt
body) as thesketching plane.
Draw a hexagon asthe section, and the
distance across flatsis 0.375.
Extrusion depth is
0.1667.
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Create a chamfer at the top of hex head using 360 revolved
protrusion cut. UseFRONT datum plane as a sketching plane, and draw
the following section to be
revolved.
MODIFYING DIMENSION SYMBOLS
From PART menu, select
Modify - pick bolt body, hex head, and chamfer from the Model
Tree.
Draw theangular line as
the section to berevolved.
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DimCosmetics -> Symbol
Pick .2500, and type in major_dia
Repeat the procedure for the following:
Pick Enter symbol text
.7500 length
.1667 height
.3750 width
.3725 chamfer_dia
When finish, select Done -> Done
ADDING RELATIONS
From PART menu, select
Relations pick bolt body, hex head, and chamfer from Model
Tree.
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Select Add
Enter the relation as shown on
the left.
Hit Enter twice.
Edit Rel
Text editor appears, and type
in the relations as shown onthe left.
File -> SaveFile -> Exit
Test relations by modifying major_dia from 0.25 to 0.5, and
regenerate. Change
back the major_dia to 0.25, and regenerate.
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From the PART menu, select Family Tabwhich will open the Family
Table dialogbox.
Select the Add icon in order to add items to the family
table.
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Under Add Item, make sure
Dimension is selected.
Pick bolt body from Model
Tree.
Now select the dimension tobe controlled in the family
table.
Pick the dimensions .2500and .7500 as Add Item.
Done Sel -> OK
Note that
HEXAGON_BOLT is
the name of thegeneric part.
Pick the Inserticon in the Family
Table dialog.
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Change the name
NEW_INSTANCESto
HEX_BOLT_025X1
Type in 1 for d1
LENGTH
The * symbolindicates that the
value from thegeneric is used.
Pick icon to preview thenew instance.
Click Close button.
Repeat the procedure for more instances as shown below:
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Click OK button.
To verify the new instances, click - the Open file icon,
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Select for example hex_bolt_050x2, then click Open button. The
hex bolt instance
with 0.5 major diameter and 2 length is open and ready to be
used.
