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Instead of fully retracting out of the drill hole, it is also possible to retract to a height relative to the previous cut depth. Retract above the height of the previous pass Thus the total retract and plunge distances for each peck drill cycle will increase as the hole deepens and this will generally result in longer machining times. With this option selected the Retract Gap value (R) is the fixed distance above the start cut depth. This is beneficial for clearing swarf/chips completely from the drill hole during the drill cycle.
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This option will cause the tool to retract fully out of the drill hole after each peck drill plunge. However, if a Cut Depth of 1 inch with a Pass Depth of 0.25 inch is used the hole will be drilled in 4 cycles. If the Pass Depth is greater than the required Cut Depth, the hole will be drilled in a single cycle. The retract moves are used to remove any build-up of material from the hole to help with overheating and breakage. This cycle is repeated until the hole is drilled to the required depth. It will then retract to the Retract Gap according to the retract option selected (see below), before drilling to the next depth, incremented by an additional Pass Depth. When the option Use Peck Drilling is selected, the drill will cut to the Pass Depth set in the Tool Database for the selected Drill. button opens the Edit Tool form which allows the cutting parameters for the selected tool to be modified, without changing the master information in the database. See the section on the Tool Database for more information on this.Ĭlicking the Edit. button opens the Tool Database from which the required tool can be selected. The depth of the toolpath relative to the Start Depth. If machining into the bottom of an existing pocket or 3D region, the depth needs be entered. When cutting directly into the surface of a job the Start Depth will often be 0. This specifies the depth at which the toolpath is calculated from. The Tool Database includes an option to specify the Drill diameter and cutting parameters. Drilling allows the centers of selected closed vectors to be drilled to a specified depth.