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Corner pencil finishing

Use the Corner pencil finishing page to create a single trace toolpath to clean up corners that occur between non-tangential surfaces.

Output — Select which portions of the toolpath you want to generate.

  • Steep — Outputs the portion of the toolpath, which makes an angle of at least the Threshold angle to the horizontal.
  • Shallow — Outputs the portion of the toolpath, which makes an angle of up to the Threshold angle to the horizontal.
  • Both — Outputs both the steep and shallow portions.

Threshold angle — Enter an angle, from the horizontal, at which steep and shallow portions are split when you select an Output type of Steep or Shallow.

Detection limit — Enter an angle so that PowerMill machines only corners that are sharper than this angle.

Tolerance — Enter a value to determine how accurately the toolpath follows the contours of the model.

Cut direction — Select the milling technology.

Select a Cut Direction from the following:

  • Climb — Select to create toolpaths using only climb milling, where possible. The tool is on the left of the machined edge when viewed in the direction of tool travel.

  • Conventional — Select to create toolpaths using only conventional or upcut milling, where possible. The tool is on the right of the machined edge when viewed in the direction of tool travel.

  • Any — Select to create toolpaths using both conventional and climb milling. This minimises the tool lifts and tool travel.

Thickness — Enter the amount of material to be left on the part. Click the Thickness button to separate the Thickness box in to Radial thickness Axial thickness . Use these to specify separate Radial and Axial thickness as independent values. Separate Radial and Axial thickness values are useful for orthogonal parts. You can use independent thickness on sloping walled parts, although it is more difficult to predict the results.

Radial thickness — Enter the radial offset to the tool. When 2.5-axis or 3-axis machining, a positive value leaves material on vertical walls.

Axial thickness — Enter the offset to the tool, in the tool axis direction only. When 2.5-axis or 3-axis machining, a positive value leaves material on horizontal faces.

Component thickness — Click to display the Component thickness dialog, which enables you to specify the thicknesses of the different surfaces.

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