q4ty05 Nc Tlo Demo

8/17/2019 q4ty05 Nc Tlo Demo

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4. Note the vertical walls in yellow – These are OK for our design. Show the draft

on the pins to be incorrect – blue color in a sea of pink color – needs to be fixed

5. Select draft on pin and EDIT to be “-1”; regenerate


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6. Show that color is now pink like the rest of the model

7. Saved Analyses; Select “Draft Check”; Blank

8. Shaded View -

9.

Lets move on to the mold design – Close Window

Mold Design – Check for Undercuts

SEE_MOVIE

1. Retrieve “mold1.mfg” and explain you are now in the mold cavity creation mode.

2. Explain: The “ref part” in red is an “inheritance” model that will updateautomatically if the design model is changed. Since it is an inheritance model,

changes such as shrinkage compensation and mold specific datums can be addedto the “ref part” without effecting the original design model. The “workpiece”, in

transparent green, will be the block that will be broken into the various inserts


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required such as cavity block, core block, sliders, etc. The “Pull Direction” is themain separation, or AB separation, for the mold. “Pull Direction” helps automate

the creation of inserts and parting surfaces.

3. Explain the process driven user interface for mold design and how it steps you

through the mold design process. Explain quickly, what the icons do: Assemblyand Orientation of the model in the mold; Shrinkage; the Workpiece; slider, lifter,

and other parting geometry; automatic parting line; automatic “skirt” partingsurface; splitting the workpiece into inserts using the parting geometry; creating

solid models of the split geometry; and mold opening sequencing.


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Mold Design – Check for Undercuts

1. Create an automatic slider volume to detect undercuts: ;Create;(accept

name)OK; Slider; Calculate Undercut Boundaries; move “Quilt1” and“Quilt2” to the “Include” side; click the check mark to create the volumes.

OK>Done>Done 2. Hide the workpiece “mold1_work.prt” and show the trapped volumes that will

need side action sliders. Now we know hoe much material is trapped.

Mold Design - Create Sliders to Handle Undercuts and make NC Simpler and

Faster

SEE_MOVIE-1

SEE_MOVIE-2

SEE_MOVIE-3

1. Move the model tree “Insert Here” arrow after the final feature

“SLIDER_UL_VOL” and note that the “PLUG_VOLUME” and“SLIDER_UL_VOL” appear.


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2. Explain as follows: To make machining the cone-shaped, tab-riddled, part of theshower head back easier, we decided to create a cylindrically shaped mold insert

called “PLUG_VOLUME”. This other insert is a slider to handle the undercutfrom the tab on the left side of the part.

3. Create the right side slider: Let’s create a slider that will handle the undercut on

the right side: hide the undercut volumes; unhide “MOLD1_WRK.prt”; ;

Create; “right-s”; sketch; extrude; done; done; pick the right side of the“MOLD1_WRK.prt” as sketching plane; top is top of the “MOLD1_WRK.prt”

4. Hide “MOLD1_WRK.prt”5. Create Sketch by Using Edge; Loop on the other slider


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6. “UpTo Surface”; in model tree hide “Slider Volume id….” in order to show thetab surface you will go up to


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7. Show how the mold info column helps the user know what kinds of parting

geometry he is creating: settings; tree columns; mold_info

SEE_MOVIE

8. Now that all of our side action sliders and other inserts are created, let’s create the

main parting surface for the mold


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Mold Design – Create the main Parting Line – Silhouette Curve

SEE_MOVIE

1. Explain: First we’ll define the main parting line for the model. In many cases,

more than one parting line can be used to split the mold. Once the parting line isdefined, the parting surface can be created automatically.2. Hide Mold Volumes

3. ; Preview; Mold blank the ref_part “MOLD1_REF.PRT” so you can

see the silhouette curve clearly


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4. Select which “loops” will be “Included” in the parting curve – The excludedcurves show in blue


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7. Hide workpiece and the “SHUTOFF_LIMIT” curve to show the parting surface

8.

Create a round on the upper edge of the parting surface: Insert; Round; .25

SEE_MOVIE


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9. show and rotate surface

Mold Design – Split Out Mold Insert Geometry

SEE_MOVIE

1. Hide the skirt surface; Unhide Main_Volume and Plug Volume

2. Explain: Here is the workpiece block with the ref_part subtracted from it – thisfeature is an automatically created feature called a reference part cutout


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3.

Create a Mold Volume split for the plug: ; One Volume; Mold Volume;Done; Select “Quilt:MAIN_VOLUME”; move to Items Selected;close; Select thePLUG_VOLUME; Select the Island that shows the PLUG_VOLUME in light

blue; done; OK; PLUG_SPLIT; OK

4. Show the MAIN_VOLUME with plug removed by hiding PLUG_VOLUME andPLUG_SPLIT volume


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5.

Main Parting Surface Split: Create a Mold Volume split for the Cavity using the

MAIN_VOLUME and the skirt Parting Surface: ; One Volume; Mold

Volume; Done; Select “Quilt:MAIN_VOLUME”; move to Items Selected; close;

Select the skirt parting surface; Select the Island that shows the cavity (top)highlighted; done; OK; CAVITY_SPLIT; OK

SEE_MOVIE


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6. Shade the CAVITY_SPLIT volume: right button select the cavity_split; Volume

Operations; Shade; rotate so everyone can see underneath7. Hide CAVITY_SPLIT volume and shade the model to show what remains.

Unhide left and right slider volumes. The sliders will now be split using theMAIN_VOLUME


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8. Repeat Steps 4 & 5 for left and right sliders removing from the MAIN_VOL.

Name the volumes SLIDER_LEFT_SPLIT & SLIDER_RIGHT_SPLIT. Here isthe finished result

SEE_MOVIE

Mold Design – Extract Solid Inserts

SEE_MOVIE

1. Now it’s time to create the solid models using the split geometry: ; onlyselect the split out volumes and the MAIN_VOLUME; Advanced; Select_All;

Browse for a start part; OK – notice the new components added to the model tree


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Mold Design – Mold Opening

SEE_MOVIE

1. ; Define Step; Define Move; Select the cavity block (top);OK; Select a

vertical edge; 5

2. ; Define Step; Define Move; Select the plug; OK; Select a vertical edge; 7

3.

; Define Step; Define Move; Select the core block (bottom); OK; Select avertical edge; - 5

4. Done


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5. Mold Unblank the ref_part “MOLD1_REF.PRT” and Mold Open to

show ref part.

SEE_MOVIE

*********************************************************************

*********************************************************************

START OF MACHINING DEMOto machine CAVITY_SPLIT.prt


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Getting Ready for the machining part of the demo.

1- Set working directory to “Machining” (inside the “Demo_Start” directory)from now on, all the demo will be done from this directory.

2-

Open “machining1.mfg”

3- Hide all datums

NOTE: If you want to use this demo only for machining demonstration , you can

bypass all the mold design portions above, and carry the demo string from here. Itwill show you machining, a change in the mold design which automatically

propagates to machining as well.

NOTE: Under the Machining directory that we will use for the demo from here

going forward, you have a “Saved” directory. It contains 2 subdirectories:BEFORE-CHANGE and AFTER-CHANGE. These subdirectory contain

acompleted mold and machining assemblies, with all the toolpaths. If you run intoany trouble, you can quickly erase all in memory, change directory to one of

these, then open the required manufacturing assembly: mold1.mfg ormachining1.mfg.

Making a Face Milling toolpathSEE_MOVIE

1- Machining; NC Sequence; New Sequence; Face; Done 2- Done again in SEQ SETUP menu to accept the default selection of Tool,

Parameters and Surfaces


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3- From the Tools Setup dialog, select tool number 1 (FACE_3_INCH), then OK

4- From MFG PARAMS menu, select Retrieve, then 1-facemill.mil , then Open,then Done

5- From SURF PICK menu, select Done to accept the “Model” selection


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6- Select the small top face (ledge) of part

7- Select OK.

8- Done; Play Path; Screen Play

9- From the Play Path dialog at the bottom right of the screen, select the “Play

Forward” button;


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10- You will see the following toolpath

Notice how the approach is right onto the material (with no safety). The tool isleading to the material exactly with the leading edge. We want to approach fartheraway from the material.

We will go to the parameters and add an approach distance to the cut.

11- Use the parameter icon from the top right


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12- From the Param Tree dialog box, select the botton “Advanced”

13- Change the parameter “START_OVERTRAVEL” from 0 to 1, then close the

Param Tree dialog ( use the X on upper right of the dialog box)


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14- Play Path; Screen Play

15- From the Play Path dialog at the bottom right of the screen, select the “PlayForward” button.


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16- You will have a single motion to clear the used top of the part, as shown below:

17- Done Seq

Making a Roughing toolpath

SEE_MOVIE

1-

Machining; NC Sequence; New Sequence; Roughing; Done 2- Add a check mark to Tool in the SEQ SETUP menu (we want to change the

previous tool)3- Done to accept the selection of Tool, Parameters and Window


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4- From the Tools Setup dialog, select tool number 2 (BEM_1_INCH), then OK

5- From MFG PARAMS menu, select Retrieve, then 2-roughing.mil , then Open,

then Done 6- From DEFINE WIND menu, select “Select Wind”

7-

Select “WINDOW_ALL [Window]” from the model tree (or select the windowthat is shown on the top of the part – there is only a single window)

8- Done; Play Path; Screen Play


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9- From the Play Path dialog at the bottom right of the screen, select the “PlayForward” button.

10- The toolpath will rapidly compute (it should take less than 10 seconds) and youwill have a toolpath as shown below:


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11- Done Seq

Making a Re-Roughing toolpathSEE_MOVIE

1- Machining; NC Sequence; New Sequence; Re-Roughing; Done 2- From the NC SEQ LIST, select the “1: ROUGHING” sequence

3- Done in SEQ SETUP menu to accept the default selection of Tool and Parameters4- From the Tools Setup dialog, select tool number 3 (BEM_075_INCH), then OK


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2- Fron the NC SEQ LIST, select the “2: Re-Roughing” sequence3- Done in SEQ SETUP menu to accept the default selection of Tool and Parameters


5- From MFG PARAMS menu, select Retrieve, then 4-re-rough2.mil, then Open,then Done


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6- Play Path; Screen Play7- From the Play Path dialog at the bottom right of the screen, select the “Play

Forward” button.8- The toolpath will rapidly compute (it should take less than 20 seconds) and you

will have a toolpath as shown below:

9- Done Seq

Making a Finishing toolpath (for the flat areas)

SEE_MOVIE

1- Machining; NC Sequence; New Sequence; Finishing; Done2- Add a check mark to Tool in the SEQ SETUP menu (we want to change the



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4- From the Tools Setup dialog, select tool number 5 (RAD_EM_1X025_INCH),then OK

5- From MFG PARAMS menu, select Retrieve, then 5-finish-flat-1.mil, then Open,then Done

6- From DEFINE WIND menu, select “Select Wind”7- Select “WINDOW_ALL [Window]” from the model tree (or select the window

that is shown on the top of the part – there is only a single window)8- Done; Play Path; Screen Play

9- From the Play Path dialog at the bottom right of the screen, select the “Play

Forward” button10- The toolpath will rapidly compute (it should take less than 10 seconds) and you



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11- We want to have better connections in the toolpath to take advantage of highspeed capabilities on our NC machine.

18- Use the parameter icon from the top right

19- From the Param Tree dialog box, change the parameter “LACE_OPTION” fromCURVE_CONNECT to ARC_CONNECT, then close the Param Tree dialog ( use

the X on upper right of the dialog box)


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23- Done Seq

Making a Finishing toolpath (for all other areas)

SEE_MOVIE

1- Machining; NC Sequence; New Sequence; Finishing; Done2- Add a check mark to Tool in the SEQ SETUP menu (we want to change the



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5- From MFG PARAMS menu, select Retrieve, then 6-finish-all-2.mil, then Open,

then Done6- From DEFINE WIND menu, select “Select Wind”

7- Select “WINDOW_ALL [Window]” from the model tree (or select the windowthat is shown on the top of the part – there is only a single window)

8-

Done; Play Path; Screen Play9- From the Play Path dialog at the bottom right of the screen, select the “Play

Forward” button.

10- The toolpath will rapidly compute (it should take less than 45 seconds) and you



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11- Done Seq

Making a Trajectory toolpath (for the upper ledge)This is used to show some of the flexibility with trajectory toolpath. This is

OPTIONAL, and you can skip it if you have no time. It is however important to showhow powerful and flexible trajectory can be.

SEE_MOVIE

1- Machining; NC Sequence; New Sequence; Trajectory; Done


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2- Add a check mark to Name in the SEQ SETUP menu (we want to specify asequence name)

3- Done to accept the selection of Name and Parameters4- You will get the following prompt in the message area:

Enter NC Sequence name []: Enter: ledge

5-

From MFG PARAMS menu, select Retrieve, then 7-trajectory.mil, then Open,then Done6- You will be taken into the Sequence Customize UI

7- From the Customize window, select the “Insert” buttom to add an Automatic Cut.

8- From the INTERACT PATH menu, select Edge; Done

9-

From the EDGE FIT menu, select Height then accept the other defaults and selectDone

10- Select Tangent Chain, then select the top edge (Shown in Yellow in the picture below):


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11- Okay to accept the direction from right to left as shown below:

12- In SLOT OFFSET meny, select Left then Done

13-

From INT CUT menu, select Play Path. Rotate to show how the tool starts andends exactly on geometry. We want to modify the cut to extend a little outsidematerial.

14- From INT CUT menu, select Ends 15- From CUT ENDS menu, select Start, then check mark Specify then Done

16- Stretch the start of cut out a little as shown below:

17- From the END DIM TYPE menu, select Ext Length


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18- You will get the following prompt in the message area: Enter extension length []: Enter: 0.5

19- From CUT ENDS menu, select End, then check mark Specify then Done 20- Stretch the end of cut out a little

21- From the END DIM TYPE menu, select Ext Length

22-

You will get the following prompt in the message area: Enter extension length []: Enter: 0.1 23- From CUT ENDS menu, select Done/Return

24- From INT CUT menu, select Done Cut 25- From the Customize window, select OK

26- Play Path; Screen Play27- From the Play Path dialog at the bottom right of the screen, select the “Play

Forward” button28- The toolpath will rapidly compute (it should be immediate) and you will have a

toolpath as shown below:

29- Done Seq


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Run Vericut:

SEE_MOVIE

1-

CL Data; Output; Operation; OP010; File; Done; (Select op010-orig.ncl fromthe open dialog); OK; Done Output

2- NC Check; CL file; (Select op010-orig.ncl from the open dialog); Done

3- After Vericut window opens up, zoom into the machining area using icon

on top

4- “Setup Motion” in Vericut using icon on top

5- Start verification using player icon on the bottom right


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******************************************************************************************************************************************

The Big Change

SEE MOVIE

1. Retrieve “71010.prt”

2. Suppress all features named: Clear1 to Clear73. Resume all features after Clear7

4. Talk about the dramatic changes to the part. Especially how the location hole atthe front of the will require a change in the parting line. Also, the new hole will

require closure in the parting surface. Finally, the hump topology has changedand ribs and standoffs have been added under the part.

5.

Close the part window and retrieve (FROM THE “MACHINING”DIRECTORY) “mold1_.mfg” - (NOTICE the name of the file. It has

underscore in it. This model is tied to the NC model – we do this so that you can jump directly to showing the “big change” without having to recreate the mold

model every time)6. Oops, we forgot to add shrinkage to the model. How much trouble would this be

if your mold was already designed. How about if you changed to a material with


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a different shrink rate: ; 1+s; select CS1 (inside mold1_ref_.prt); .02;

check

SEE_MOVIE

7.

The model will regenerate.8. Show the exploded mold.

9. Then open the ref_part and show the shrinkage of 1.02 in X,Y and Z

SEE_MOVIE

NOW LET’s UPDATE the NC data

1.

Close the mold window and Open (FROM THE “MACHINING”

DIRECTORY or from session) “machining1.mfg”2. Show and explain how the mold insert changes now automatically appear in the

machining assembly (look at the new channel and the different pocket shape.


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3. Run Vericut to show the new machining (AND THIS ENDS YOUR DEMO)

SEE_MOVIE 4. Ctrl-G to regenerate5. CL Data; Output; Operation; OP010; File; Done; (Select op010-changed.ncl

from the open dialog); OK; Done Output 6. NC Check; CL file; (Select op010-changed.ncl from the open dialog); Done

7. Cldata; NC Check; CL file; (Select op010-final.ncl from the open dialog); Done

8. After Vericut window opens up, zoom into the machining area using icon

on top

9. “Setup Motion” in Vericut using icon on top

10. Start verification using player icon on the bottom right


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Documents

q4ty05 Nc Tlo Demo