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Link moves are moves joining a Lead Out and a Lead In. All links are checked against the part and adjusted to prevent gouging.
Short Link Distance - Use this to specify short links. Short links are links where the 3D distance between the end point of the previous machining segment and the start point of the following machining segment is less than the Short Link Distance (e.g. a value of 0 will result in only one type of link, namely Long Links).
Short Links
Type - Choose between these types of short links:
Smooth - An arc-like smooth transition between ends.
Straight - A straight linear connection.
Step - A connection consisting of two straight lines. Either a move in XY is followed by a move down in Z OR a move up in Z is followed by a move in XY.
Percentage Feed - The feedrate for link moves is specified as a percentage of the feedrate on the General tab.
Long Links
Type - Choose between these types of long links:
Optimised - The tool moves up in Z to the highest point on the part (offset by the Safe Distance) along the joining move, followed by a straight horizontal move and a move down to the start of the Lead In or Safe Distance (whichever is higher). All of these moves will be at the maximum feedrate specified in the postprocessor. The tool then moves down any remaining distance at the Plunge Feedrate.
Clearance - The tool makes a rapid move to the Clearance plane, followed by a rapid move in XY and a rapid move down to the start of the Lead in or the Safe Distance (whichever is higher). The tool then moves down any remaining distance at the Plunge Feedrate.
Safe Distance - Specifies the safe distance above the part from which the tool will feed into position. The safe distance is also included when calculating the optimised retract height over the model.
Feed When Plunging - When checked, the tool will use the Feedrate when moving down in the Z axis during the cycle. This is a safe option when the amount of stock material is unknown. When unchecked, the tool will rapid to the safe distance above the model then feed into position.