Gibbscam 2016 v11.3.7.0 Multilang win64
What’s New in GibbsCAM 2016, v11.3
This article covers highlights of GibbsCAM 2016, v11.3, which is nearing completion of its beta phase as this newsletter goes to press. It condenses material in the GibbsCAM 2016 What’s New document.
Highlights since the previous release include: Enhancements and changes in basic areas of thread milling, contouring, and turning; improvements and enhancements to VoluMill; many enhancements to 5-Axis; new capabilities in imported CAD files using Spatial translators, and small helpful tweaks in various areas.
Thread Milling
The Thread Milling process offers a greatly expanded set of capabilities, many of which can be seen in the following side-by-side comparison of the old process dialog with the new process dialog:
Thread Milling 1a Thread Milling 1b
Before GibbsCAM 2016 In GibbsCAM 2016
The new capabilities are especially useful in conjunction with the new tool type, Full Profile Threadmill.
Offers the ability to vary depth with geometry, just as in the Holes process.
Understands and works with hole features.
Calculates how many Z passes are required for the thread\’s start Z and end Z, based on the tool\’s flute length.
The process connects between Z passes:
Uses tangent arc retract/re-approach between each pass.
Arc length can be calculated automatically or specified by the user.
For OD threading: Connects using rapid in Z/feed arc.
For ID threading: Connects via center of hole.
Allows for multiple passes and spring passes:
You can specify depth between passes.
When using a multi-tooth threadmill, spring passes occur after all main passes are complete.
You can specify how many spring passes should occur at the finish cut diameter.
You can choose whether to rapid or feed from the center to the clearance diameter.
Threading Process
New Tool Type: Full Profile Threadmill
GibbsCAM 2016 provides a new tool type for multi-tooth thread mills. For a thread milling process using such a tool, the value for Pitch (metric units) or TPI (threads per inch) is defined by the tool, not by the process.
Number of teeth can be 1 or more.
Support for threadforms.
Support for tapered-angle tools.
Tapered Thread Milling
For all thread milling processes, clearance diameter is constant throughout the cut, and a single cut diameter is specified for the start of the cut.
For multi-tooth threadmills, taper angle is derived from the tool profile. For single-tooth threadmills, you can specify Taper Angle:
Straight threading uses a taper angle value of 0.
BSPT/NPT uses a taper angle of 1.78991 degrees.
Or you can specify a custom taper angle.
Multiple Contouring
GibbsCAM 2016 provides support for performing multiple contours on geometry with user-specified cutter side offsets. Accordingly, the Contour process dialog now has an additional tab, Offset:
Contour Process
For complete details on multiple contouring, see the documentation for GibbsCAM 2016: What’s New and Mill.
VoluMill
In GibbsCAM 2016, VoluMill 7.2 provides the following enhancements for Wireframe and Solids:
Spiral Motion
Side Milling
Spiral motion for areas where spiral motion is more efficient, especially in simple pockets like squares and circles. In the pocket shown below, following the helical entry into material, smooth spiral motion opens up the right side of the pocket, followed by other motions, including side milling, to complete the machining. The left side of the pocket requires no spiral: As the area is opened up, a natural transition area is created for the tool to move from one pass to the next at high speed.
Side Milling. Because of gains in performance, selecting the Side Mill Only checkbox is now the recommended setting. (However, slotting can still be more efficient than side milling in some cases, such as milling with large stepovers and shallow cuts in softer material.) One of the sources of increased performance is the use of wider radii when possible, allowing higher-speed cutting and better chip clearance, as illustrated in the image for Spiral Milling. In addition, side milling now uses zigzag motion in circumstances when doing so reduces cycle time, as shown in this image.
Open-Face Milling. VoluMill now determines cut angle and order of cuts to minimize cycle time, and ensures full stepover for the last cut. Cycle time for open faces is reduced by up to 60%.
Performance when regenerating toolpath. Infrastructure improvements make regeneration smarter. For example, a change with no effect on geometry or slicing, such as a change to feedrate, no longer triggers a complete recalculation.
Technology Expert
Because VoluMill operations generate a different type of toolpath, values for feeds and speeds and other parameters can be fine-tuned using Technology Expert.
Technology Expert
Instead of using the standard Materials dialog to suggest RPM and feedrate, you can calculate recommendations for up to ten parameters — not just spindle speed and feedrate, but also depth of cut, stepover, and speed/feed/angle for ramp or helix plunge types. Recommendations are calculated based on not just material type but also hardness, current tool values, tool coating and holder choice, how well the part is held, the degree of taper.
After you choose a machining style (conservative or aggressive) and calculate the recommendations, you can choose to apply some or all of the
Product:Gibbscam 2016 v11.3.7.0 Multilang
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