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Tag Archives: creo 2.0 video

Depth and Lateral Control Volume Milling Parameters

There are many parameters that control the depth of cut and lateral movement when you create volume milling sequences. Lateral Control Parameters • Step-over distance: – STEP_OVER – NUMBER_PASSES – TOOL_OVERLAP – BOTTOM_SCALLOP_HEIGHT • STEP_OVER_ADJUST Figure 1 – Lateral Control Parameters Lateral Control Parameters Depth Control Parameters • STEP_DEPTH • WALL_SCALLOP_HGT • …

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Depth Control Face Milling Parameters

There are a number of parameters that control the depth of a cut when creating face milling sequences. Depth Control Parameters • STEP_DEPTH • NUMBER_CUTS – Smallest resulting depth of cut used. • If NUMBER_CUTS = 0 or 1 and STEP_DEPTH is greater than depth to be machined. – One pass taken …

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Configuring Parameter Values

You can configure parameter values using different methods. It is important to understand how these methods work. Specifying Parameter Values • Site Parameter Files • System Default Values • Parameter Files • Edit Parameter dialog box – Category – Parameters Basic/All – Copy from Tool – Show/Hide Details • Model Tree …

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Creating and Using Tool Cutting Data

You can use cutting data stored within tools to transfer optimum feed, speed, and depth of cut parameter values into NC sequences. Cutting Data • Optimize parameter values • Data based on: – Workpiece material – Tool – Application ♦ Roughing/finishing Figure 1 – Cut Data Tab Cutting Data Creating and Storing Cutting …

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Creating and Configuring Workcells

The workcell specifies the type of machine used when creating NC sequences, for example, mill, lathe, or mill/turn. You must specify a workcell before you can create NC sequences. Workcell Configuration • Name • Type – Mill, Lathe, Mill/Turn, or Wire EDM • Number of Axes • Post-Processor • Probing Option Figure 1 …

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Creating Manufacturing Models

Creating manufacturing models is the first step in the manufacturing process. Manufacturing models contain all manufacturing process information,  such as: • Operations • Workcells • NC sequences • Reference models • Workpiece models Figure 1 – Using Template Manufacturing Models Manufacturing Models Manufacturing Models • Manufacturing model assembly file – “filename”.asm Figure …

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Analyzing Invalid Assembly Constraint Failures

Invalid assembly constraint failures occur when constraints from one set conflict with constraints from another set for a given component. • Reasons include: – Parent components modified or deleted. – Features in parent components modified or deleted. • Resolve the failure: – Change constraints. – Modify features to satisfy constraints. – Suppress or freeze …

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Analyzing Geometry Failures

Geometry failures are caused either by geometry that has been made invalid, or geometry that is impossible to create. • Invalid geometry examples: – Round radii too small or too large – Blend start points mismatch – Sweep Radii Rule – Extrude Through Until Figure 2 – Sweep Radius Figure …

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Capturing Design Intent in Features

Capture design intent in your model’s features by deciding which feature options to use. • Option considerations include: – Depth – Solid/Thicken – Round/Chamfer type – Hole type – Sketch or select sweep trajectory • Internal versus external sketches • Embedded datum features Figure 1 – Internal Versus External Sketches Figure 2 – Embedded Datum Features …

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Reordering Features

You can reorder features in the model tree by dragging them to a new location. 1. Original model • Through All hole 2. Protrusion added • Hole no longer meets design intent 3. Hole reordered • Hole again meets design intent Figure 1 – Original Model Reordering Features Figure 2 …

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