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Turning environment

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Paramach’s Turning operations are seamlessly integrated into the same familiar, user-friendly environment.

Paramach provides a host of essential features such as, facing, roughing, pocketing, finishing, grooving, threading, parting-off and center line operations, most of which can be executed on an outside diameter/face or inside a bore.

The user interface for Turning differs slightly from the Milling interface in that the coordinate system is changed so that the X-axis is vertical with the units in diameters, and the Z-axis is horizontal. A permanent centre line construction is shown at X0.0

Lathe Tool Generator

The Turning tool library is populated with precise tool definitions that are created using the Paramach Lathe Tool Generator. This is a very efficient and robust method of accurately representing almost any standard Turning tool.

A tool is defined in 2 discrete stages. First, the insert is described by selecting a shape (Rhombus, Square, Triangle, Trigon or Round), and specifying the tip radius, inscribed diameter, lead angle, clearance angle and the octant (the location of the tip radius relative to the programming point). Secondly, the holder is defined relative to the insert by specifying a number of parametric dimensions.

Paramach uses these definitions to constantly monitor against the tool fouling the part, and will only allow the tool to plunge at an angle with the required clearance. Also, exact tool-nose radius compensation is computed using the octant vector.

Feeds and speeds are automatically calculated using industry accepted formulas with data taken from both your tool and material definitions.

Creating geometries & toolpaths

Creating machinable geometries in the Turning environment is typically implemented by using the Power Geoline command. When a Geoline is drawn above the centre line construction it is automatically assumed to be the profile of a cylindrical component, and Paramach will mirror it about the centre line.

The tool paths created in Paramach are fully-associative to the Geoline that defines the part and to the Geoline that defines the material. Editing either of these Geolines will result in a full update to all operations.

When ‘facing’ or ‘roughing’ you must select a Geoline that defines the billet or forging profile. After this, Paramach will always be aware of the exact shape of the material for all subsequent operations. This creates a parent/child relationship between operations, so that an edit to one operation can propagate down through this ancestry and change several of the other operations.

A critical consideration in most Turning operations is the avoidance of the tool holder fouling the work piece. During toolpath creation, Paramach will constantly monitor for these conditions and will display an ‘alert’ should this condition arise.


Once the toolpaths have been created and before you commit to generating the G-Code, Paramach provides the opportunity to visualise the machining operations by using the integrated simulation tool.

A 2D material cut simulation is used for verification of all the Turning operations. This provides an extremely precise graphical representation of the actual material that’s being removed in relation to the underlying geometry.


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