Prismatic Machining CATIA Training Foils Version 5 Release 9 June 2002

Prismatic Machining CATIA Training Foils Version 5 Release 9 June 2002
EDU-CAT-E-PMG-FF-V5R9 Copyright DASSAULT SYSTEMES 2002

Course Presentation Objectives of the course Targeted audience
In this course you will see how to define and manage NC programs to machine parts designed in 3D Wireframe or Solid geometry with 2.5 Axis machining operations. Targeted audience Manufacturing users knowing how to work with CATIA V5 Parts Prerequisites CATIA V5 Fundamentals 1 day Copyright DASSAULT SYSTEMES 2002

Table of Contents Differences between PG1 & PMG
Introduction to Prismatic Machining Milling operations Facing operations NC Macro definition Pocketing operations Profile Contouring operations Prismatic Rework Area Curve following operations Point to point operations Page set up: PPT 97=>>> width=8.87 “ / height=6.51” (for 850x625 pixels) [or width=21,29 cm & height=15,41 cm] PPT 2000=> width=11.81 “ / height=8.68” (for 850x625 pixels) [or width=28,35 cm & height=20,83 cm] Note: To print the document in A4 format do not forget to check the ‘Scale to Fit Paper’ checkbox in the print panel (otherwise you will miss content) Fonts (ratio=1.333): 97=>> 10, 12, [14], [16], 18, 20, 24, [28], [40] 2000=>13, 16, [18-19], [21-22], 24, 27, 32, [37-38], [53-54] Colors: background= 236,219,183 text & lines= 0,0,128 shadows= 255,251,240 title text= 0,0,128 fills= 250,220,150 accent= 153,51,51 accent & hyperlink= 250,220,150. Course overview: Title position=> horizontal=0.75” / color of title & text=background color= 236,219,183 / image on top (resized to fit) All screens except for course overview: Titles position=> Horizontal= 0.54” / vertical= 0.25” with text box margins left & top= 0.12” / blue text & titles Rule: Titles must have capital letter (upper case) for every significant word (first letter) Copyright DASSAULT SYSTEMES 2002

« Prismatic Machining P1 » Product (PG1)
« Prismatic Machining P1 »: the Entry product for Small and Medium Entreprise Product Content: Basically « Prismatic Machining P2 » Product (PMG) EXCEPT: ‘Between 2 Curves’, ‘ Between Curve & Surface’ in Contouring Machining Operation ‘Auto Draft Angle’ capability in Pocketing Machining Operation Support of Machining Processes for Axial Operations ‘Sectioning’ capability for Drive Curve Selection Connection to V4 Tool Database Material Removal Simulation (Photo & Video modes) Support of DELMIA VNC Machine-Tools 2D Rework area Let ’s see now all about PMG Product… Copyright DASSAULT SYSTEMES 2002

Introduction to Prismatic Machining
In this lesson, you will learn basics of Prismatic Machining Skillet 1 Accessing the Workbench Skillet 2 Exploring the user interface Skillet 3 Create a milling operation Copyright DASSAULT SYSTEMES 2002

Accessing the workbench
Anywhere from 1- Start menu or 2- File menu + New or 3- Workbench Icon Many different ways… 1- 3- - Donner des procès généraux quand cela est possible pour illustrer - What , How, Why ne sont pas obligatoires mais doivent guider et aider dans la rédaction du foils. Forme - ATENTION de na pas modifier la taille du cadre intérieur de la diapo qui est dimensionne pour pouvoir imprimer en format Américain aussi bien que Européen - Essayer de respecter la palette de couleurs proposée - Ne pas oublier de mettre a jour le titre du cours dans le masque - Chaque mot du titre doit commencer par une majuscule Style: Utiliser You... A la place des phrases impersonnelles Utiliser la voix active plutot que passive Ecrire des phrases simples: Souvenez vous que ce document peut etre traduit en d’autres langues et donc nous devons eviter toutes ambiguites. See Tools + Customize + Start menu for the content of this Welcome Box 2- Blank Manufacturing CATProcess to start Copyright DASSAULT SYSTEMES 2002

Workbench user interface
Prismatic Machining Workbench Pocketing Operation Creation Facing Operation Creation Profile Contouring Operation Creation Curve Following Operation Creation Point To Point Operation Creation Prismatic Rework Area Prismatic Machining Product - Donner des procès généraux quand cela est possible pour illustrer - What , How, Why ne sont pas obligatoires mais doivent guider et aider dans la rédaction du foils. Forme - ATENTION de na pas modifier la taille du cadre intérieur de la diapo qui est dimensionne pour pouvoir imprimer en format Américain aussi bien que Européen - Essayer de respecter la palette de couleurs proposée - Ne pas oublier de mettre a jour le titre du cours dans le masque - Chaque mot du titre doit commencer par une majuscule Style: Utiliser You... A la place des phrases impersonnelles Utiliser la voix active plutot que passive Ecrire des phrases simples: Souvenez vous que ce document peut etre traduit en d’autres langues et donc nous devons eviter toutes ambiguites. Copyright DASSAULT SYSTEMES 2002

Create a milling operation
2 1 1 Click on the milling operation icon to be created 2 The new Operation is created after the current one The Operation dialog box appears to edit it Define the Operation geometry and parameters in the dialog box 3 3 4 Replay the Tool Path 5 Confirm Operation creation At any time click on « ? » To have more information on the option 4 5 The Operation is created in the PPR tree with a default tool. This capability can be removed by customizing the NC Manufacturing options. Let ’s see now the User interface... Copyright DASSAULT SYSTEMES 2002

Facing operation You will learn how to create a Facing Operation A Facing Operation consists in cutting a constant offset of material on a planar area without inner domains The Planar area is delimited only with soft boundaries The tool axis is normal to the planar area The material will be removed in one or several cuts along the radial and axial directions The area is machined with Inward Helical, Back & Forth or One Way tool path style Copyright DASSAULT SYSTEMES 2002

Facing operation : Presentation
1 2 3 1 1 1 Enter the Name of the Operation. (Optional because a default name is given by the system ‘Type_Of_Operation.X’) 2 Enter a line of comment (Optional) 3 Define operation parameters using the 5 tab pages Strategy tab page Geometry tab page Tool tab page Feeds & Speeds tab page Macros tab page Replay and / or Simulate the operation tool path 4 4 Copyright DASSAULT SYSTEMES 2002

Facing operation : Strategy Tab Page 1/5
The 3 Tool path styles for a Facing Operation are : Inward Helical Back & Forth One Way Inward Helical : The tool starts from a point outside the area and follows inward paths parallel to the boundary Back & Forth : The tool alternatively machines in one direction then in the opposite direction One Way : The tool always machines in the same direction To change the machining direction select the arrow Copyright DASSAULT SYSTEMES 2002

Machining Strategy parameters Direction of Cut Climb : The front of the advancing tool cuts into the material first Conventional : The back of the advancing tool cuts into material first Machining Tolerance Value of the maximum allowable distance between the theoretical toolpath and the toolpath computed Fixture Accuracy Local machining tolerance for fixtures Climb Milling Conventional Milling Circular Type of Contour Circular : The tool pivots around the corner point, following a contour whose radius is equal to the tool radius Angular : The tool does not remain in contact with the corner point, following a contour comprised of 2 line segments Optimized : The tool follows a contour derived from the corner that is continuous in tangency Forced Circular : The tool follows a near-circular contour comprised of line segment Compensation : Number of the tool compensation used if this one is already defined on the tool Angular Optimized Copyright DASSAULT SYSTEMES 2002

Radial Strategy parameters Maximum Distance A maximum distance will be used to compute the distance between two paths Tool Diameter Ratio The distance between two paths will respect a tool diameter ratio recovery Stepover Ratio The distance between two paths will respect a stepover ratio (10% stepover = 90% tool diameter) End of Path Overhang = 100% Overhang = 50% Overhang = 0% Overhang : Extension of the tool path in percentage of the tool diameter End of Path = IN IN OUT Tool Side Approach Clearance Copyright DASSAULT SYSTEMES 2002

Axial Strategy parameters Axial Strategy Mode : Maximum Depth of Cut : Maximum depth of cut in axial direction between 2 levels Number of Levels : Number of levels to machine Number of Levels Without Top : To define the amount of material to cut in the axial direction without Top Plane definition Bottom Finish Pass parameters Finish Pass Mode : No Finish Pass : No special finish pass At Bottom : Indicates that a finish pass is to be generated on the bottom plane of the Facing Operation. A thickness value must be given for that pass The Finishing Feed rate will be used to cut the material on the finish pass Copyright DASSAULT SYSTEMES 2002

Facing Operation : Strategy Tab Page 5/5
High Speed milling parameters This button activates high speed milling 3 1 2 Corner parameters Corner on Finish Pass parameters 1 2 Corner radius Corner radius Limit Angle : Lowest angle between two segments that needs cornerisation Limit Angle : Lowest angle between two segments that needs cornering Transition parameters (only Inward or Outward) 3 Extra segment overlap Transition angle Transition length Transition radius Copyright DASSAULT SYSTEMES 2002

Facing operation : Geometry Tab Page
This Tab Page includes a Sensitive Icon dialog box that allows the selection of : Bottom Plane Top Plane (only for Multi-Level operations) Drive Elements Check Elements (Optional) Start Point (Optional) Offsets can be applied on the Top Plane, Bottom Plane, Contour and Check Elements (Double click on the value) 1 2 4 2 3 1 4 3 5 5 6 The system automatically computes the bounding rectangle of the part along Machining Direction in B&F Copyright DASSAULT SYSTEMES 2002

Facing operation : Tool Tab Page
to search for a tool in the current document, a Catalog or external database 1 2 3 4 5 1 Select the tool type available for the current operation 2 Enter the Name of the Tool. 3 Enter a line of comment (Optional) 4 Specify a tool number that does not already exist 5 Use the 2D Viewer to modify the parameters of the tool. The 2D Viewer is updated with the new values Click More to expand the dialog box to access all tool ’s parameters such as Geometry, Technology, Feeds & Speeds and Compensation Copyright DASSAULT SYSTEMES 2002

Facing operation : Feeds & Speeds Tab Page
1 Define the Feedrate values for Approach Feedrate : This feedrate is used by default during approach motion Machining Feedrate : This feedrate is used during Machining motion Retract Feedrate : This feedrate is used by default during retract motion Finishing Feedrate : This feedrate is used as Machining Feedrate for the Bottom Finish Pass According the unit Linear (mm/mn) or Angular (mm/turn) 1 2 3 4 4 Define the Spindle Speed value according the unit Linear (m/mn) or Angular (turn/mn) You can exclude Spindle speed information from the NC data output by deactivating the checkbox Spindle Output 2 3 Select Quality (Rough, Finish, Either) and compute it, according to value defined on the tool You can select « automatic compute » then feedrate and spindle speed will be automatically compute from tooling Feeds and Speeds 4 Copyright DASSAULT SYSTEMES 2002

Exercise Presentation
And now practice on the step 2 of the Master Exercise, to learn how to: Create a Facing Operation. Copyright DASSAULT SYSTEMES 2002

You will learn how to create NC Macros
NC Macro Definition You will learn how to create NC Macros For all operations, macro parameters are accessible via this tab page Copyright DASSAULT SYSTEMES 2002

7 different types of macro…
7 different types of macros are available : Approach, Retract, Return between levels, Return in a level, Linking, Return to finish pass, Clearance Return between level Return in a level Linking Return to finish pass Approach Retract Clearance (next slide) Copyright DASSAULT SYSTEMES 2002

Clearance Macro The Clearance Macro Each of the following macros :
- Return between level - Return in a level - Return to finish pass - Linking is divided in two motions : Approach and Retract Between those two motions, the system computes a default tool path. If you want this transition tool path to be customized, activate Clearance Macro You can cornerize clearance via option beside Clearance Corner radius Corner radius Default toolpath Approach motion Retract motion Copyright DASSAULT SYSTEMES 2002

Pre-defined macros Depending on the type of macro you have selected, different type of pre-defined macros are available : For Approach For Retract Tangent, normal, axial Circular, axial Axial Ramping Not available Copyright DASSAULT SYSTEMES 2002

Macros Tool Box Tool box to create your own macro 1 2 3 4 5 6 7 8 9 10 11 12 13 1 Tangent 8 Axial motion up to a plane 2 Normal 9 Distance along a line (to select) 3 Axial 10 Tool axis motion (to select) 11 Motion to a point (to select) 4 Circular 5 12 Erase Ramping You can create an great number of different macros combining these basic paths in any order. 6 13 Copy Approach or Retract macro on all approach or retract motions of the other macros Insert PP word 7 Motion perpendicular to a plane Copyright DASSAULT SYSTEMES 2002

Create your own macro Insert a PP word on a point of the macro.
Cross symbols localize the possible points to insert the PP word To insert a PP word, you can also press right mouse button on the cross and select « PP word list » PP Table access capability: Possibility to select Major/Minor words and pre-defined syntaxes Apply this Approach or Retract motion to all Return and Linking macros in the operation (only available on Approach macro and Retract macro) Copyright DASSAULT SYSTEMES 2002

Modify parameters on your macro
-To locally modify a feedrate or spindle speed in the macro, press right mouse button on a element and select « feedrate » Depending on the feedrate selected, the element takes a different color : Yellow : Approach White : Local Green: Machining Blue : Retract Red : Rapid -To modify geometrical parameters of a macro, double-click on it. Copyright DASSAULT SYSTEMES 2002

NC Manufacturing Courses Organization
When you give a course, you need to respect the following order for each Product Now Insert here Replay and Video Simulation Fonctionnalities (NC Infrastructure Lesson 4) and come back to explain the other Machining Operations Click here Switch to Replay Lesson Copyright DASSAULT SYSTEMES 2002

Pocketing Operation You will learn how to create a Pocketing Operation A Pocketing Operation is used to machine a pocket with or without inner domains. The external boundary is made of Hard/Soft elements The islands are limited only with Hard boundaries. The material will be removed in one or several levels of cut. The tool starts and finishes machining at the top of the pocket. The pocket is machined with Outward and Inward helical or Back & Forth tool path style. Copyright DASSAULT SYSTEMES 2002

Pocketing Operation : Presentation
1 2 Enter the Name of the Operation. (Optional because a default name is given by the system ‘Type_Of_Operation.X’) 1 3 2 Enter a line of comment (Optional) 3 Define operation parameters using the 5 tab pages Strategy tab page Geometry tab page Tool tab page Feeds & Speeds tab page Macros tab page Replay and / or Simulate the operation tool path 4 Before replaying or creating the operation, “Preview” checks that all parameters are coherent 5 4 5 Copyright DASSAULT SYSTEMES 2002

Pocketing Operation : Strategy Tab Page 1/8
Tool path styles for a Pocketing Operation are : Tool Axis must be normal to bottom plane Outward Helical Inward Helical Back & Forth Outward Helical : The tool starts from the center and follows outward paths parallel to the boundary avoiding islands Inward Helical : The tool starts from the contour and follows inward paths parallel to the boundary avoiding islands Back & Forth : The tool alternatively machines in one direction then in opposite direction and follows the machining direction To change the machining or progression direction select either arrow Copyright DASSAULT SYSTEMES 2002

Machining Strategy parameters Direction of Cut Climb : The front of the advancing tool cuts into the material first Conventional : The back of the advancing tool cuts into material first Machining Tolerance Value of the maximum allowable distance between the theoretical tool path and the computed tool path Fixture Accuracy Local machining tolerance for fixtures Compensation Number of the tool compensation used if this one is already defined on the tool Climb Milling Conventional Milling Copyright DASSAULT SYSTEMES 2002

Radial Strategy Maximum Distance A maximum distance will be used to compute the distance between two paths Tool Diameter Ratio The distance between two paths will respect a Tool diameter overlap ratio Stepover Ratio The distance between two paths will respect a stepover ratio (10% stepover = 90% tool diameter) Overhang : Extension of the tool path in percentage of the tool diameter. Only available for open pockets. Overhang of 100% is useful to machine properly this kind of geometry : Overhang = 100% Overhang = 50% Overhang = 0% Copyright DASSAULT SYSTEMES 2002

Radial Strategy Center path overlap Tool diameter ratio used for the overlapping of the first center path in Inward Helical only Truncated transition path Used with Back & Forth strategy Allows to modify progression direction Scallop pass Used with Back & Forth strategy Allow to remove scallop on contour Driven by a ratio of tool diameter Copyright DASSAULT SYSTEMES 2002

Pocket Navigation option If you select none of the Pocket Navigation options, the tool may jump over walls. Multi Domain Capability : If the tool diameter is too large to stay on the bottom, the tool will machine one by one the different areas. Always stay on bottom : the tool will never jump from one area to another Inward / outward mixture : The direction of cut is allowed to change at every new area machined. the Climb / Conventional direction of cut setting is given in the first strategy tab page. Inward / outward mixture option is available only if Always stay on bottom option is selected. Copyright DASSAULT SYSTEMES 2002

Axial Strategy Finish Pass mode Max depth of cut You specify the distance between two levels At last level : activate a radial finish pass only at last level At each level : Activate a radial finish pass at each level At bottom : Activate a last level pass to machine the bottom Complete : Activate a radial finish pass at each level and a last level pass to machine the bottom. Number of levels You specify the number of levels from the bottom to the top Nb of levels without top You specify the bottom, the number of levels and the depth of cut. Breakthrough Only in soft bottom pocket You give an offset in order to specify a virtual bottom Automatic draft angle Incremental increase of thickness on flank Copyright DASSAULT SYSTEMES 2002

Finish Pass parameters Side finish thickness Side finish thickness on bottom Special Finish Pass : Spring Pass : Duplicate last finish pass to compensate the spring of the tool Avoid scallop on bottom : Modify distance between pass on last level to avoid scallop on bottom. Bottom finish thickness The Finishing Feedrate will be used to cut the material on the finish pass Copyright DASSAULT SYSTEMES 2002

High Speed milling parameters This button activates high speed milling strategy 3 1 2 Corner parameters Corner on Finish Pass parameters 1 2 Corner radius Corner radius Limit Angle : Lowest angle between two segments that needs cornerisation Limit Angle : Lowest angle between two segments that needs cornering Transition parameters (only Inward or Outward) 3 Extra segment overlap Transition angle Transition length Transition radius Copyright DASSAULT SYSTEMES 2002

Pocketing Operation : Geometry Tab Page 1/3
This Tab Page includes a Sensitive Icon dialog box that allows the selection of : 1. Bottom Plane 2. Top Plane (only in Multi-Levels strategy case) 3. Drive Elements 4. Check Elements 5. Islands 6. Start point 7. End point Via contextual menu, offsets can be applied on the Top Plane, Bottom Plane, Contour, Islands, Check Elements Soft and Hard Boundary 3 7 4 2 1 Island Hard Boundary Soft Boundary Offset=contour+island Offset=contour+hard boundary Offset=soft boundary 5 6 To remove the bottom click on : Copyright DASSAULT SYSTEMES 2002

To machine an open pocket click on : Soft boundaries will be automatically detected when selecting bottom (dotted lines) If you need to add more soft boundaries, select them after bottom selection To allow Start point definition outside the machining domain click on : In this case you can specify : A clearance Or select an edge and give a clearance Or select a point Copyright DASSAULT SYSTEMES 2002

You can select a Start Point (1) and an End Point (2) as preferential start and end positions Note that you can select a point or an edge as Start/End Point in Outward/Inward strategy. In case of selecting an edge, the point will be choosen near the middle of this edge (according to selected geometry, overhang, offset …) Start point will always be respected except if a ramping motion is defined in the macro (the start point will be near the selection) Note that End point is only available in Outward Strategy and it might be modified (according to selected geometry and computed toolpath) Note that you can specify a Start Point outside the machining domain for open pocket (see previous slide) 1 2 Copyright DASSAULT SYSTEMES 2002

And now practice on the step 3 of the Master Exercise, to learn how to: Create a Pocketing Operation. Create a pocketing operation with respect to the island Create a pocketing operation with a spring pass for finishing Machine Pocket with a High speed milling operation Machine Pocket 5 as an open pocket Pocket 1 Pocket 2 Pocket 3 Pocket 4 Pocket 5 Copyright DASSAULT SYSTEMES 2002

Contouring operation You will learn how to create a Contouring Operation A profile contouring Operation consists in cutting material along a hard boundary. The hard boundary may be open, closed or discontinuous. Along axial direction, the material will be removed from the top to the bottom in one or several cuts. Along radial direction, the material will be removed by approaching the hard boundary in one or several parallel paths The area is machined in One-way or in Zig-zag style. Copyright DASSAULT SYSTEMES 2002

Profile Contouring Operation : Presentation
1 2 3 1 1 1 Enter the Name of the Operation. (Optional because a default name is given by the system ‘Type_Of_Operation.X’) 2 Enter a line of comment (Optional) 3 Define operation parameters using the 5 tab pages Strategy tab page Geometry tab page Tool tab page Feeds & Speeds tab page Macros tab page Replay and / or Simulate the operation tool path 4 4 Copyright DASSAULT SYSTEMES 2002

Profile Contouring Operation : Strategy Tab Page 1/5
The two Tool path styles for a Profile Contouring Operation are : Zig - zag : The tool alternatively machines in one direction then in opposite direction One Way : The tool machines always in the same direction Copyright DASSAULT SYSTEMES 2002

Machining Strategy parameters 1/2 Direction of Cut Climb : The front of the advancing tool cuts into the material first Conventional : The back of the advancing tool cuts into material first Machining Tolerance Value of the maximum allowable distance between the theoretical tool path and computed tool path Fixture Accuracy Local machining tolerance for fixtures Climb Milling Conventional Milling Type of Contour Circular : The tool pivots around the corner point, following a contour whose radius is equal to the tool radius Angular : The tool does not remain in contact with the corner point, following a contour comprised of line segments Optimized : The tool follows a contour derived from the corner that is continuous in tangent Forced Circular : The tool follows a near-circular contour comprised of line segment Circular Angular Optimized Copyright DASSAULT SYSTEMES 2002

Machining Strategy parameters 2/2 Output type : standard In the generated code, the toolpath is defined by the tool tip trajectory Output type : cutter profile In the generated code, the toolpath is defined by the contact point trajectory Close tool path Option to machine the complete contour of a closed area. Percentage overlap when « close tool path » is active, this is the overlap at the end of the tool path expressed as a percentage of the tool diameter Compensation application mode You have to choose if compensation is applied on the tool output or guiding point Tool position ON guide This option is equivalent to put an offset of tool radius on contour. Compensation Number of the tool compensation. It must be a number available on the tool used for the operation Copyright DASSAULT SYSTEMES 2002

Stepover Radial first Axial first Sequencing Radial Strategy Distance between paths : You enter directly the distance between two radial paths Number of paths : You enter directly the number of radial paths Overhang for rework areas See next chapter on Prismatic Rework area Axial Strategy Max depth of cut You specify the distance between two levels Number of levels You specify the number of levels from the bottom to the top Number of levels without top you specify the bottom, the number of levels and the depth of cut. Automatic draft angle Incremental increase of thickness on flank Breakthrough Only in soft bottom You give an offset in order to specify a virtual bottom Copyright DASSAULT SYSTEMES 2002

Side Finish Pass mode At last level : activate a radial finish pass only at last level At each level : Activate a radial finish pass at each level Spring Pass Duplicate last finish pass to compensate the spring of the tool Bottom Finish Pass mode At bottom : Specify the thickness used for the bottom finishing The Finishing Feedrate will be used to cut the material on the Side and Bottom finish passes Copyright DASSAULT SYSTEMES 2002

Profile Contouring Operation : Geometry Tab Page 1/2
This Tab Page includes a Sensitive Icon dialog box that allows the selection of : Bottom Plane Top Plane (for Multi-Levels operations only) Drive Elements Discontinuous contours is possible, allowing to machine several contours in one single Operation thus providing better support of thin wall finishing Check Elements (Optional) Limiting Element (Optional) Offsets can be applied on the Top Plane, Bottom Plane, Contour Check and Limiting Elements To remove the bottom, click on To start (or end) out of the part, click on with MB right 1 2 3 4 2 3 4 5 1 5 Copyright DASSAULT SYSTEMES 2002

Profile Contouring Operation : Geometry Tab Page 2/2
between two curves & between curve and surfaces: Relimitation and offset options To reach 3 other contouring operations right click : - contouring between two curves : - contouring between curve and surfaces -By flank contouring Copyright DASSAULT SYSTEMES 2002

And now practice on the step 4 of the Master Exercise, to learn how to: Create a Contouring Operations. - contouring on open pocket - contouring a flank of the part while avoiding a fixture - contouring the inside of a pocket Copyright DASSAULT SYSTEMES 2002

Prismatic Rework Area You will learn how to use 2D Rework area This functionnality allow you to find non machined area from a previous operation or manual parameters. Thus you can use this area with a pocketing or a profile contouring operation. Copyright DASSAULT SYSTEMES 2002

Prismatic Rework : Presentation
1 2 1 1 1 Enter the Name of the Operation. (Optional because a default name is given by the system ‘Type_Of_Operation.X’) 2 Select the operation which will be used as input to compute the non machined area or Enter manually geometry and tool parameters then compute the non machined area 3 3 Copyright DASSAULT SYSTEMES 2002

Prismatic Rework with Pocketing
1 1 Insert a Pocketing Operation Select the area previously computed 2 2 All geometry and associated parameters are selected You can choose corner and/or channel rework 3 4 Rework area is also available in « Mfg View » Sort by machinable features 3 4 Copyright DASSAULT SYSTEMES 2002

Prismatic Rework with Profile Contouring
1 1 Insert a Profile Contouring Operation Select the area previously computed 2 2 All geometry and associated parameters are selected 3 Rework area is also available in « Mfg View » Sort by machinable features Only corner rework is available with Profile Contouring 3 Copyright DASSAULT SYSTEMES 2002

Point to point operation
You will learn how to create a Point To Point Operation A Point To Point Operation consists in moving the tool from a selected point to another selected point at a given Machining Feedrate. This operation allow you to define sequential motions of points. Copyright DASSAULT SYSTEMES 2002

Point To Point Operation : Presentation
1 2 1 1 1 Enter the Name of the Operation. (Optional because a default name is given by the system ‘Type_Of_Operation.X’) 3 2 Enter a line of comment (Optional) Define operation parameters using the 4 tab pages Strategy tab page Tool tab page Feeds & Speeds tab page Macros tab page 3 Replay and / or Simulate the operation tool path (See dedicated Job Aid ‘Replay a Tool Path’) 4 4 Copyright DASSAULT SYSTEMES 2002

Point To Point Operation : Strategy Tab Page
Strategy is divided into Motions and Strategy Select “Goto point” or “Goto position” icon to enter points. Thus you can move/delete/edit properties of selected points. 2 Select tool compensation number from among those defined on the tool used by the Operation The Tool Axis can be specified by selecting the tool Axis. An Offset along Tool Axis can be applied on all the selected points 1 3 3 1 2 3 Copyright DASSAULT SYSTEMES 2002

And now practice on step 5 of the Master Exercise, to learn how to : Create a Point to Point Operation. Copyright DASSAULT SYSTEMES 2002

Curve Following Operation
You will learn how to create a Curve Following Operation A Curve Following Operation consists in machining a part by following a curve with the tool tip. The material will be removed in one or several level of cuts. The tool starts and finishes machining at the extremities of the curve. The area is machined in One-way or in Zig-zag style. Copyright DASSAULT SYSTEMES 2002

Curve Following Operation : Presentation
1 2 1 1 1 Enter the Name of the Operation. (Optional because a default name is given by the system ‘Type_Of_Operation.X’) 3 2 Enter a line of comment (Optional) 3 Define operation parameters using the 5 tab pages Strategy tab page Geometry tab page Tool tab page Feeds & Speeds tab page Macros tab page 4 Replay and / or Simulate the operation tool path 4 Copyright DASSAULT SYSTEMES 2002

Curve Following Operation : Strategy Tab Page 1/2
The available Tool path styles for a Curve Following Operation are: Zig - zag : The tool alternatively machines in one direction then in opposite direction One Way : The tool machines always in the same direction To change the tool axis orientation select the Axis representation Copyright DASSAULT SYSTEMES 2002

Curve Following Operation : Strategy Tab Page 2/2
Machining Strategy parameters Axial Strategy Machining Tolerance Value of the maximum allowable distance between the theoretical tool path and computed tool path Fixture Accuracy Local machining tolerance for fixtures Max depth of cut You specify the distance between two levels Number of levels You specify the number of levels from the bottom to the top Copyright DASSAULT SYSTEMES 2002

Curve Following Operation : Geometry Tab Page
This Tab Page includes a Sensitive Icon dialog box that allows the selection of : Guiding Element Check Elements (Optional) Offsets (axial) can be applied on Check Elements and Driving Curve 3 2 1 2 3 1 Copyright DASSAULT SYSTEMES 2002

And now practice on step 6 of the Master Exercise, to learn how to: Create a Curve Following Operation. Copyright DASSAULT SYSTEMES 2002

NC Manufacturing Courses Organization
When you give a course, you need to respect the following order for each Product Now Continue With NC Infrastructure Course (Lesson 5) up to the end Click here Switch to NC infrastructure Lesson 5 Copyright DASSAULT SYSTEMES 2002

Prismatic Machining CATIA Training Foils Version 5 Release 9 June 2002

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Prismatic Machining CATIA Training Foils Version 5 Release 9 June 2002

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