ME-430 INTRODUCTION TO COMPUTER AIDED DESIGN SHEET METAL CLIP Pro/ENGINEER Wildfire 2.0 Dr Herli Surjanhata Create a sheet metal part called CLIP Make sure you select Sheetmetal as Sub- type New ~ Type ~ Sub-type () BAL Sketch O Solid @ OO Patt _ _ (*) Sheetmetal { ) ¡1 Assembly ©) Bulk C) gY Manufacturing () Drawing () £4 Format © [FE] Report ©) © Diagram C) (4 Markup Name E | Use default template _oK_) Cancel | You need to create a Flat Wall base feature with thickness of 0.011 Create Unattached Flat Wall
Click the icon, or
From Insert pull-down menu, select
Sheetmetal Wall -> Unattached -> Flat
Pick the FRONT datum plane as sketching plane, and TOP datum plane as top reference orientation
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FRONT - 0.808 4 ` J V | 0.364 0.136 | H T TH ®) 1 + T T + Ƒ 1.273 Vv V L | PRT CSYS DEF = — — — — — 7 ` "¬ HT —— 0364 ——
Select two lines (equal segments), or two arc/circle;
@ Enter thickness in range 0.0002 to 0.8347) 0.011
Click the v icon, and enter the thickness of the wall 0.011
Select the OK button
(aT oN! Or
Trang 3Create a Bend feature using the Bend, Roll, w/ Transition, Part Bend Tbl, and Inside Rad options
_
“ Insert h YW, > Click the Create Bend icon or, Insert -> Bend Operation -> Bend
oa Roll -> w/Transition -> Done 5 l Part Bend Tbl -> Done/Return
w OPTIONS Inside Rad -> Done/Return
Angle
Pick the front surface of the sheet metal as sketching plane
Regular Okay -> Default
Planar Pick the top edge of sheet metal as additional reference Done Quit L_ ee | FRONT First, sketch the bend line as shown in the Figure
Trang 5Sketch the transition area as shown
Figure Make sure the sketch the line
| closest to the bend area first
Click this icon « to continue Answer [N] when prompted if you
want to define another transition area
DL
&> Do you want to define another transition area? [Y/N
Select Enter Value Menu Manager dam) a) 1= Thickness Thickness * 2 Enter Value ——===-= #%-=-=-=-=-=—=~“” LPRT_CSYS DEF top s |
&> Specify bend radius using the menu The radius will be 0.16
sờ Enter bending radius 0.16 Click OK Create an Unbend feature fiw fiat) >
Pick the “icon, or
Insert -> Bend Operation -> Unbend
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Menu Manager ‘ww UNBEND OPT Done
Select the left edge of the clip to remain fixed (see Figure), Choose Unbend All from the UNBEND SEL menu and then Done -> OK ý | ay ~ Click a EL Placement Shape Offset Relief Bend Al Redange vị Alf vd 7 | Rectangle Trapezoid LỊL ut Llser Defined shape TT me ot &
Use sketch to define wall shape
Change the option from Rectangle to User Defined
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Sketch vị AY Flat | User Defined vị ⁄ LA Click Shape tab Select Sketch #Ø Sketch Placement Sketch Orientation
Sketch view direction
Trang 90.727 = LOR
Sketch a center line along the axis A_1 or RIGHT datum plane for symmetry
Sketch the wall as shown in Figure Click the « icon v Select the button Placement | Edge:F8(FLAT_1) |
EE Placement| Shape Offset Relief Bend Allowance Properties
Trang 100.145 wy ` =——= 0.091 Vv 0.273 —>|<+< | ' H | V I H — Wee | | I Vv 0.364 H —*> | HH —=——$_—«07=L20 — 0.136 Sketch the section as shown in Figure A 1 Expand the tool option, and select the Create Band Back icon 5
Pick the [Js icon to create a Bend Back feature
Select the same edge to remain fixed as when
unbending, and choose Bendback All when prompted
for the bends to bend back
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Menu Manager w BENDBACKSEL BendBack Sel BendBack All Quit Done -> OK
Menu Manager Pick the icon to create a Bend using the Angle -> Regular -> Done w OPTIONS
Roll Menu Manager
w USE TABLE
w/Transition 7 aes eens)
Planar Feat Bend Tbl Done Done/Return Quit Part Bend Tbl -> Done/Return Menu Manager w RADIUS SIDE # Pick From List ' Suf:F9(FLAT_ 2) Inside Rad Outside Rad Done/Return
Outside Rad -> Done/Return
Use Pick From List option to select the E2IE3IESIE==1 back surface of the last wall created for
the sketching plane, choose Okay for the viewing direction, and select Default to orient the part as shown in Figure below
II
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Select two vertices as additonal references for
sketching (see Figure) F210P) Vertex:Edge:FS(FLAT_2) Vettex:Edge:F9(FLAT _2) Close [R)L x=] Select | Use Edge/Offset | Delete - Reference status Fully Placed
Sketch the line as shown and align the endpoints to the part vertices
Click the « icon
Trang 13Menu Manager Smee ee peel ema Enter Value 30,000 45.000 60,000 9n.0n0 120,000 No Relief 150.000 w/Relief (| Flip [Done Done Quit Quit Menu Manager | w RELIEF Select Done Pick a value of 90 for the bend angle Done
MỄNM|MANBEET Select Enter Value for entering radius and 0.012 for the
w SEL RADIUS outside radius value
Thickness Thickness * 2
& Enter bending radius! 0.012
Select the OK button, and bend is created as shown below & Specify bend radius using the menu
“c2 Create another Bend with the same options and select Use
*w SETUP SKPLN Prev from the SETUP SK PLN menu Make sure to select the
Trang 14® References F2(TOP) Surf:F9(FLAT_2) Surf:F9(FLAT_ 2) Surf:F9(FLAT_2) Select | Use Edge/Ofset | Deeie Fully Placed
Sketch the bend line (see Figure) Choose Flip -> Okay for the side to create the bend and Okay for the area to remain fixed Enter a value of 90 for the bend angle and 0.012 for the outside radius value
| 0.024
Note: Flip -> Okay etc depends on your features creation Make sure you read the message and watch the arrow direction before you execute this command
Trang 15Create the same Bend on the other side of the clip
Create a Bend with the same options but select the sketching references as shown in Figure (Sketching plane is the bottom surface of tab located at the bottom) Pick the appropriate references, sketch, and dimension as shown in Figure below, choose Okay for the bend side and Flip for the area to be fixed Enter 90 for the bend angle and 0.012 for the outside bend radius
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Add one more bend similar to the last four to
close off this end of the clip Refer to Figure on the left [ 0.01 2 ra = Smooth the sharp corners of your design model by creating rounds on some of the sharp edges