MULTIAXIS
STOCK MODEL, FACING, MORPH BETWEEN 2 SURFACE, SURFACE
FINISH BLEND, CURVE 5 AXIS, TRANSFORM TOOLPATH
OBJECTIVES
You will create the3D geometry for Multiaxis and then generate a toolpath to machine the part on a CNC
milling machine.
Create a 2- dimensional drawing by:
Creating line
Creating arcs
Using Xform Translate/Rotate
Trimming geometry
Establish stock setup setting
Stock model
Generate a Milling tool path & multiaxis toolpath consisting of:
Facing toolpath
Morph between 2 surfaces (multiaxis toolpath)
Surface finish blend
Curve 5 axis
Transform
Inspect the toolpath using mastercam verify and backplot by:
Launching the verify function to machine the part on the screen.
Generating the nc-code
MULTIAXIS ASSIGNEMENT
TOOL LIST
Three cutters will be used to create this part
15 Flat End mill for facing operation
20 taper end mill
Geometry Creation
TASK 1:
SETTING THE ENVIROMENT
1. Before starting the geometry Creation set up the grid ,toolbar and machine type
TASK 2:
CREATE GEOMETRY FOR THE LOFT SOLID
1. First go to the right plane from tool bar as shown in fig.
2. Create circle of radius 25
Select from pull down menu CREATE>ARC>CIRCLE CENTER POINT
Select Center point at origin
Enter Radius 25 from tool bar as shown below
After selection click on option as shown in fig.
You will see the Geometry as shown Below
3. Create circle of radius 35 at point 120 at (X0,Y0,Z-120)
Enter the radius 35
And then select the center as origin and select OK
Then select Isometric Option for Tool bar
You will get the Geometry as below
4. To create LOFT solid select from pull down menu Select>Solid>Extrude
Select the chain
Click on ok icon in chain dialog window
Click on ok icon to complete this feature. The complete solid is shown below.
TASK 3
CREAT GEOMETRY FOR FIN (LOFT SOLID)
Create circle
1. Select top plain
2. Enter z value 125 in status bar menu
3. Select from pull down menu CREAT>ARC>CIRCLE CENTER POINT
4. Enter X value -15 and hit enter, then Y value 00 and hit enter and the Z value 125 and radius 6
As shown in fig.
5. Click on Ok icon
6. Select from pull down menu CREATE>ARC>CIRCLE CENTER POINT
7. Enter X value -115 and hit enter, then Y value 00 and hit enter and the Z value 125 and radius 3
As shown in fig.
8. Click on Ok icon to complete this feature .
9. You will get the geometry as shown in fig.
2
1
10. Select from pull down menu CREATE>LINE>END POINT
11. Create line from 1 circle to 2 circle ,Geometry will be as shown as below
12. Trim the entities
Select from pull down menu EDIT>TRIM/BREAK>TRIM/BREAK/EXTEND
As shown in fig.
Select the option Divide and Delete
As shown in fig.
13. Select the entities which is to be delete
14. After selecting the unwanted entities the geometry will be as below
TASK 4
TO TRANSLATE AND ROTATE THE GEOMETRY
Translate Geometry
1. Select From pull down menu XFORM>TRANSLATE
2. Select the entities as shown below
Hit enter after done.
3. Select copy option
4. Enter Z value -125,click Ok icon
5. Select isometric view
6. Enter alt and s ,you will see only geometry.as below fig.
Rotate Geometry
1. Select From pull down menu XFORM>ROTATE
2. Select the entities to rotate
3. And hit enter
4. select move option
5. Move the geometry by angle 5
6. Select Ok icon
7. Geometry will be as below
TASK 5
CREATE LOFT SOLID
5. To create LOFT solid select from pull down menu Select>Solid>Extrude
Select chain 1 and then chain 2 and hit
enter.
1
2. Geometry will be as above
TASK 6
TO ROTATE FIN
1. Go to right plane
2. Select From pull down menu XFORM>ROTATE
3. select the solid entities to rotate after selection hit enter
4. select On dialog box of rotate as shown select COPY; No. of entities to rotate 4; rotate entities at
angle 72 and select Ok icon.
TASK 7
CREATE BOOLEAN OPERATION
1. Select from pull down menu SOLIDS>BOOLEAN
As shown as below
2. Select the BODY to be Boolean/added
As shown in fig.
Then Select enter
3. Boolean dialog box appears
4. Select ADD and then select on Ok icon
TASK 8
CREATE FILLETE
1. Select from pull down option SOLID>FILLET<CONSANT RADIUS FILLET
2. Select the edges to create fillet as shown as below
3. And then select Ok icon
4. Enter the radius 3 in CONSTANT RADIUS FILLET dialog box as shown in fig and then select Ok icon
5. Similarly create a fillet on all edge
TASK 9
TO ROTATE THE SOLIDE BY ANGLE 36
Go to the right plane
1. Then Select from pull down option XFORM>ROTATE
2. Select all entities to rotate ,select icon from tool bar on top of home screen as shown as below
3. Dialog box appears as below select All entities option and hit enter
4. Screen will be as shown do the changes as below and then select Ok icon
TOOLPATH CREATION
TASK 9
DEFINE THE STOCK USING STOCK MODEL
1. Create stock model
2. Select from pull own menu TOOLPATH>STOCK MODEL
3. Select the option as shown in fig.
4. Select option and select the all solid body and give additional offset 3, give name
,click on ok icon.
TASK 10
CREATING TOOLPATH OF FACING
1. Select from pull down menu TOOLPATH>FACE
2. New dialog box where to enter new NC name ,enter the new name and select Ok icon
3. Your screen will look similar to below
4. Click on chain button and then select the chain as shown as above and select the OK button
on chaining dialog box.
5. Ensure the toolpath type is set to face as shown below
6. Select tool from the list on left and click on the select library tool button in lower left corner
7. Select 15 diameter flat endmill
8. Select the Ok button to complete the selection of this tool
9. Select cut parameter from the list on the left and make changes to this page
10. Select Depth cuts from the list on the left and make changes to this page
11. Select linking parameter and make changes as follow and select on Ok icon button
12. Select plane (WCS)and make changes as below change the plane from top to right and select
OK icon
TASK 11
FACING OPERATION
Create new plane
Select top view
1. Select from status bar PLANE>PLANE BY SOLID FACE
Select the solid face as shown if fig as below
And select on Ok icon
2. Again dialog box appears as below change the name and select Ok icon
3. Select from status bar PLANE>CPLANE AND TPLANE as shown below
After selection dialog box appears as shown,Select MOVE TO option and click on Ok icon
Facing operation
1. Select from pull down menu TOOLPATH>FACE
2. Your screen will look similar to below select the chain as shown below
3. Select chain option and select chain as shown and click on Ok icon
1. Ensure the tool path type is set to face
2. Select tool from the list on left and click on the select library tool button in lower left
corner, Select tool of 15 diameter flat end mill
3. CUT PARAMETER keep stock 00 on level
4. Select LINKING PARAMETER and do changes s following
5. Select plane (WCS)and make changes as below change the plane from top to plane 1 and
select OK icon
TASK 12
ROTATE FACING OPERATION
1. Select from pull down option TOOLPATH>TRANSFORM
2. Dialog box will be appear as below
3. Make following changes
4. Click on rotate option on same dialog box
5. Select rotate plane as right plane and click on Ok icon
TASK 13
USE MULTIAXIAL TOOLPATH
1. Select from pull down option TOOLPATH>MULTIAXIS
2. Select toolpath type as SOLID/SURFACE and then MORPH BETWEEN TWO SURFACE
1. Select tool option ,right click on the area option will appear as below
2. Select on create new tool, as shown as below
3. Screen will be seen as below
Select TAPER MILL and click NEXT
4. New dialog box appear ,do the changes as below after changes click on OK icon
Tool will be created
5. Select CUT PATTERN option screen will be seen as below
6. Click on FIRST
7. It will ask to select SURFACE
To Select surface ,select from tool bar ACTIVE SOLID SELECTION as shown below
After that select SELECT FACE as shown below
8. select surface as shown if fig after selection hit on enter twice and click on DONE option
9. Now select second pattern
Select the second surface as(FILLETE) shown in fig after selection hit enter twice and then on
DONE icon
10. To Select drive surface
Select from tool bar ACTIVE SOLID SELECTION as shown below
After that select SELECT FACE as shown below
Select drive surface (FACE) as shown as below, and select DONE option
11. Do the following changes as below on same dialog box
12. Select TOOL AXIS CONTROL option
13. Select option LINKING>RETRACTS
Select CYLINDER option as shown
14. And then select Ok icon
TASK 14
ROTATE THE OPERATION
1. Select from pull down option TOOLPATH>TRANSFER
2. Then select the option as below
3. Select ROTATE option on top of dialog box and do the changes as follow and click on OK icon
TASK 15
SURFACE BLEND
1. Create edges
Select from pull down option CREATE>CURVE>CURVE ON ONE EDGES
2. Select alt+ s to hide the solid body
Select edges as below and click ok icon
3. After creating the curve by using crite LINE option and EDIT option create the profile as below
4. Select alt + s to unhide the solid you will be see the screen as below
5. Now Select TOOLPATH>SURFACE FINISH>BLEND
6. Select the solid face as shown and hit enter twice
7. Screen will be appear as below
8. then select on BLEND and select the two edges as shown below and select on Ok icon
9. select tool as below and select Ok icon
TASK 16
ROTATE THE BLEND OPERATION
1. Select from pull down option TOOLPATH>TRANSFORM
2. Dialog box will be appear as below
3. Make following changes And click on OK icon
4. You will get the tool path as below
TASK 17
CREATE MULTIAXIS TOOL PATH
1. SELECT<TOOLPATH<MULTIAXIS
2. Multiaxis toolpath dialog box appears, select CURVE option as below
3. Select TOOL, select tool of diameter 14 flat end mill from library
4. You will see the tool you selected ,double click on the 14 flat end mill tool as shown
below
After selection new dialog box will appear as below (increase the overall length)do the
changes as follow and then click on FINISH icon
5. Select CUT PATTERN then select option as below
1. Select the chain as shown as below and click on Ok Icon
2. Select TOOL AXIS CONTROL and select SURFACE option as shown
Select the surface as shown in fig. and click on Ok icon
TASK 18
VERIFY THE TOOLPATH
Mastercam verify utilily allows you to use solid models to simulate the machining of part.
1. Set the graphics view to isometric view by using toolbar icon at the top of the screen
2. In toolpath manager pick all the operation to verify by picking the select all icon
3. Select the BACKPLOT/VERIFY OPTION
4. Dialog box will appear as below select SOLID MODEL >stock which we define in stock model
5. Select verify selection option ioon shown below
6. Active option shown below in the the visibility section of verify tab
7. At the top of the screen selet the VIEW tab ,the ISOMETRIC icon and then selet FIT
8. Now select the PLAY SIMULATION button to review the tool paths
9. The verify toolpaths are shown below
TASK 19
SAVE THE UPDATED MASTERCAM FILE
1. Select the save icon from the toolbar
TASK 20
POST AND CREATE THE CNC CODE FILE
1. Ensure all the operation are selected by picking the SELECT ALL icon from the toolpath
manager.
2. Select the POST SELECTED OPERATION button from the toolpath manager
3. In the Post processing window,make the necessary changes as shown below
4. Select OK button to continue
5. Enshure the same name as your mastercam part file name is displayed in NC FILE NAME
6. Select the SAVE button
7. The CNC code file opens up in default editor
8. Select the close option in top right corner to exit the CNC editor
9. This completes MULTIAXIS LESSION
