G4_sheetmetal

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CASE 1 30.1

MAIN STEPS:

1. Sketch. - XZ-plane. Horizontal line 200 mm. - Operation: Thin Feature (extruding) , plate thickness 2 ,sweep length 300.

2. Make vertical perpendicular sides (picture 2). - Select all 4 upper edges. - Operation: Flange. - Values:

- Inner radius R: 2. - Bend angle A: 90. - Length L: 80. - Keep overall dimensions (adjust with planar end).

3. Trim edges vertical perpendicular corner closed(picture 2): - Select vertical perpendicular edges (2 x), select all 4corners. - Operation: Trim edges.

4. Make upper sides (picture 3). - Select all 4 vertical perpendicular outer edges. - Operation: Flange.

- R: 2 , A: 90 , L: 30. - Add bend.

5. Trim upper edges (picture 4). - Select horizontal lines on upper side (2 x), select all 4corners. - Operation: Trim edges.

6. Flatten (picture 5).

- Select bottom face. - Operation: Flatten -> As 3D model.

7. Edit corner to circle (pictures 6 and 7). - Select two edges of a corner (can be selected at thesame time). - Operation: Open corner.

- Circle, radius 3.

8. Rebend flattened to 3D model: - Select part (not a face). - Operation:

Rebend.

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CASE 2 31.1

MAIN STEPS:

1. Sketch a box (picture 1). - Rectangle 150*120 , extrude boss 70 mm.

2. Sketch a rectangle, extrude cutout (picture 2). - Border range 15 mm. - Operation: Extruded cutout (10 mm).

3. Add Rounding to single edges (picture 3). - Select board lines of bottom and 4 longitudinal lines of top. - Operation: Add Round > Single Edge Round .

- Radius 2 mm.

4. Create a sheet metal product: (picture 4). - Select (for example) side face. - Operation: Tangential shelling .

- Plate thickness 1.5 mm.

5. Add library feature (picture 5). - Select part. - Library feature > Boss . System/features/Sheetmetal/Special_forming/Continuous_emboss

- Set values: B 80 , A 15 ja H 6. - Turn to right position and locate by showing a place. - Impose the feature in sketch.

- Boarder range from up 8 mm. - Midpoint of two sides.

6. Add same feature also to another head (picture 6).

********* Extra ************************************************

7. If necessary Flatten > as 3D model .

8. If necessary open corners. - Show two edges in a corner (all 4 at the same time). - Operation: Open corner .

- Circle, radius 3.

9. Rebend it back as a case: - Show part (not a face). - Operation: Rebend .

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Clip 32.1

MAIN STEPS:

1. Sketch plate (picture 1). - XY-plane, rectangle 500x40 , Extrude 2 mm or addLibrary feature -> Boss -> Basic shapes -> Rectangle,a = 500, b = 40 and h = 2.

2. Edit SMD-parts properties - Activate model. - Function: Properties :

- Select: -> Sheet Metal. - Select: Properties: Bend radius = 1 mm.

3. Sketch bending line, Bend (picture 2). - Distance between bending lines start to leftedge= 180 mm, angle 45 . - Function: Bend.

- Bend Radius 1mm.

- Bend Angle 180 . - Click to define the stationary side.

4. Sketch bending line, Bend (picture 3). - Distance between bending lines start to right edge=180 mm, angle 45 . - Function: Bend.

- Use equal bending values as in step 3.

5. Sketch bending line, Bend (picture 4). - Distance between bending lines start to leftedge= 29 mm, angle 45 . - Function: Bend.

- Use equal bending values as earlier.

6. Sketch bending line, Bend (picture 4). - Distance between bending lines start to right edge=29 mm, angle 45 . - Function: Bend.

- Use equal bending values as earlier.

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Special plate 33.1

MAIN STEPS:

1. New Plane. - Restore XY-Plane, Activate it.

- Operation: New Plane -> Parallel 800.

2. Sketch lower head (pictures 1 and 2). - XY-Plane, circle 200, 300 mm left frommiddle cross. - Operation: Cross section.

3. Sketch upper head (picture 3). - Activate new plane you created. -> NewSketch -> Face. - Circle 800 to middle cross. - Operation: Cross section.

4. Loft cross sections to a volume (picture 4). - Select cross sections. - Operation: Lofting -> Boss.

5. Shell volume as a shell. (picture 5). - Select both lower- and upper heads. - Operation: Shell 1.5 mm. (Tip: Draft->Draftaccuracy -> Tolerance -> input 0.1 mm).

6. Cut out cone through (picture 6). - Activate new plane you created. New Sketch -> Face. - Sketch rectangle, that covers the cone on top,on bottom and right.- Operation: Extruded Cutout -> Thru All.

7. Cut plate on freely to correct 2d-unfolding: - Sketch for example 1x4 mm rectangle on topedge face -> Extruded Cutout -> for example 2mm.

8. Create a flatten view: - Edit part properties type to Sheet Metal.- Activate conical-plane. - Operation: Map surf chain to 2D.

9. Create new assembly model: (picture 7). - Create a new model. - Read the model in two times, rotate another180 . - Locate parts. - New part , tube 200 length 150. - Copy and Paste this tube to another arm.

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PARTS LIST


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2 Pipe 21 SMD-33-1 Special plate 2


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Funnel 34.1

MAIN STEPS :

1. Sketch top sides to XY- plane (picture 1). - Line-> Rectangle -> Constraints-> Distance-> Width=400mm, Height=300. - Select OK, Thin Feature -> Plate Thickness =1.5 , SweepLength =200 (picture 2) . - Tip: Sketch can be open from one corner to avoid step 3.Create thickness + 0.01 mm x,y openings to one corner.

2. Adding of bendradius . - Activate model -> Bend Radius, value 1.5 -> Use same

value to rest bendings. 3. Cut Corner . Select one cylinder corner surface - > OK. - Cutting is necessarry for flattening.

4. Modelling upper slant sides . (picture 2) - Digitize 4 top edge lines without stopping -> Flange-> InnerRadius R=1.5 , Bend Angle A=40 , Length L=150 , Add wholebend.- Change Side if necessarry .

5. Trim Edges -> Select 2 edge lines together -> Defaulttype -> OK. - Trim other 3 corners equally (picture 3).

6. Modellind highest sides .- Digitize 4 top edge lines without stopping -> Flange-> InnerRadius R=1.5 , Bend Angle A=40 , Length L=50 , Add wholebend.- Change Side if necessarry.

7. Trim highest Edges equally as earlier in 5. (picture 4)

8. Generating Flatten View in Work Drawing. - Work drawings -> New Work Drawing - > Flatten View- Accept default settings.

- Tip: If necessarry, you can just edit * corner shapelinesgeometry in flatten view in 3D. Representations -> Unfold ->Activate -> Select 2 edge lines of each corner -> TrimCorner, where ( R=0 sharp-edged). (picture 5) -* No Re-bending is made.

- Finally -> Representations -> Default -> Activate.

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Cover 35.1

MAIN STEPS :

1. New Document, Part * - > Input Archive Datas.

2. Sketch topsides to XY- plane.- Line-> Polyline -> Arc-> 3 Radius points. - Constraints-> Distance-> Width=150 mm,Height=100 (see page 35.2) .- Constraints-> angle=35. - Constraints-> angle=90. - Select OK, Thin Feature -> Plate Thickness =1.5 ,Sweep Length =100 (picture 1) .

3. Bend Radius . - Activate model -> Adding of Bend Radius, Value=1.5.

4. New Document, Assembly . Add Part fromArchive -> Search * "Side profile" from archive.

5. Model bottom with help of sideprofile. - New Part -> Part - > Input Archive Datas.- New sketch to ref. geometry -> Tie sketch to leftside of open topside -> 2 point Line -> From leftcorner to right corner (picture 2).

6. Function OK -> Thin Feature -> PlateThickness= 1.5, 2.nd Side, Sweep Length -> ToSelected Face -> Select all 6 inner faces -> OK - Note!

* Be sure, your sketch will meet selected faces(same height). ** Be sure, that all 6 back faces are shown (correctshape).

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PARTS LIST


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3

2D hatch to 3D 36.1

MAIN STEPS :

1. Open drawing 1055.

2. Set bendline properties. - Select bendline (blue one) properties (picture 1and 2). - Bending parameters can be adjusted.

- Any existing line can be set as a bending line by

setting line properties (picture 3). 3. Hach to 3D model: - Digitize hatch. - Function: Hach to 3D model

- Set thickness 1.5 mm - Set bend allowance: DIN6935

-> 3D model opens to new window.

4. Save it. - File -> Save as new document -> inputarchive datas.

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HOW TO CREATE AN OWNBEND DEDUCTION TABLE:

A

B

A 3 4

B34L

R

TEST ARRANGEMENTS:1. Cut SMD-test pieces, those dimensions are known.2. Bend to 90 degrees angle.3. Measure dimensions A and B.4. Calculate value F (see F function below).5. Edit existing tables. - R(number) examined (inner) bend radius. - T(number) examined thickness of test piece.

- F(number) stretching: calculated value.- (number) number, every row has an own (n+1).

Copy text file: /vxg4/system/bend/Neutralwith another name (Save as) to folder /vxg4/shared/bend/.

Edit values in new deduction table, for example:Lkm=120 (amount of rorws=120)R1(51)=2.0 ;T1(51)=0.5; F1(51)=1.55R1(52)=2.0 ;T1(52)=0.8; F1(52)=1.95- Edit value "Lkm" to be same as amount of rows starting with R1.

Value F:

Strech F = A+B -LENGTH OF TEST PIECE

Neutral axis

37

9 0

T

A34 L B34

LENGTH OF TEST PIECE


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SMD Forming 38.1

MAIN STEPS: 1. New Document -> Part OR Open - >Model -> M38-E and continue to step 7 or open half doneM38-1-E and continue to step 6.

2. New Sketch -> XY-plane -> oval (picture1). - See sketch at page 38.2. - Extruded Boss : 1 , formula: t (picture 1). (Note: small t-letter must be used).

3. Sketch tools body (picture 2). - New sketch -> XY-plane.- See sketch at page 38.2. - Extruded Boss:

- Length: -5, Formula: - H.

4. Extruded Boss thru all: (picture 3). - Make offset with help of bottom edge lines: value

1 (in), Formula: -t. (Note: t-letter without minus - >cant variate).

5. Roundings : (picture 4). - Add Round/Bevel -> Round . - Inner corners of bottom: 3.1 mm Formula: 4.1-t. - Outer corners of top: 4.1 mm.

6. Sketch Machining Tool -> top surface (picture 6). - See sketch at page 38.2.- Function: Extruded Boss :

- Value: 1, Formula: -t.- Select: Tool.

7. Sketch Guide Curves -> top surface -> right and downfrom midpoint (picture 7).

8. Edit model properties: - Set type: Sheet Metal.

9. Add Handle -> to intersection of 2 curves. - Select intersection point. - Function: Add Handle. - Show top plane to aim direction.

10. Save To Library -> As Feature: - Create subfolder, if necessary. - Input file name.

Note: When modelling SMD features, testvariable tables while modelling.

Note 2 : If you want info like dimensions intopreselect picture, create a new bmp-file(feature_name _2d .bmp (200*170 Pixels), Itappears while variating). While saving thisfeature, program generates 2 files:feature_name.vxm and feature_name.bmp.

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Segmentpipe 39.1

MAINSTEPS:

1. New document -> part .

2. Sketch guidecurve . - Sketch 2d-guidecurve (see page 39.2) oruse half done model M39-1-E and continueat step 4.

3. Sketch cross-section . - Point segment last line on top -> NewSketch. - Circle: center + rad pnts. -> Constraints ->D = 250 mm. Make inner circle with offset ->1 mm -> inside

- OK -> Cross section.

4. Sweep cross section to pipe. - Select cross section and all 5 segmentlines: -> Sweep, Boss .

5. Change part type to SMD. - Select part properties -> Type -> Sheetmetal.

6. Map surfchain to 2d. - Point 1 cylinder face -> Map surfchain to2d -> locate it to 2d window (it is a group).

7. Save as a New Document. - You can save it as a new document tosave it in the archive.

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