: 3D Milling

An Extensive Range of 3D Milling Cycles

SURFCAM Evo 3D offers a complete solution for generating high quality, gouge protected toolpaths for the programming and machining of complex parts and free form shapes.

 
Industries involved in the manufacturing of 3D forms such as Aerospace, Prototyping, Mold Tools and General Engineering will all benefit from SURFCAM Evo’s 3D machining cycles. SURFCAM Evo’s best- in-class prismatic machining capabilities, combined with powerful 3D solid and surface machining strategies, are designed to complement each other in one fully-integrated solution.
 
With an extensive suite of advanced 3D cycles that are ideally suited for rapidly generating toolpaths for all surface and solids machining needs, SURFCAM Evo delivers optimized toolpath control, reduced cycle times and an overall higher level of machining efficiency.
 
Unlike many CAM systems, SURFCAM Evo is ‘CAD neutral’, so whatever CAD system you use, interoperability between CAD and CAM is seamless, with no data translation. This means that you machine exactly what the designer intended and toolpaths remain associative to the master model.
 
SURFCAM Evo accepts files in the following independent formats: IGES, DXF, VDA, Parasolid® , STEP AP203 and AP214 files and ACIS.
 
SURFCAM Evo also offers optional translators: Autodesk Inventor®, Solid Edge®, SolidWorks®, Pro/ENGINEER®, Pro/DESKTOP® Unigraphics files up to and including NX5, and CATIA V5.
 
Extensive range of 3D cycles
3D machining technology is embedded in all of SURFCAM Evo’s milling cycles and applies 2D or 3D toolpaths based upon the cycle being used and the interrogation of the geometry to be machined.
 
Roughing
SURFCAM Evo applies the most efficient approach move for each region of the model. Utilizing Waveform roughing technology, along with trochoidal cutter paths to avoid full width cuts, SURFCAM Evo will automatically adjust the toolpath for efficient and safe machining. This optimizes cutting conditions and allows higher machining speeds to be maintained.
 
Waveform Roughing
The Waveform roughing cycle is vastly superior to traditional roughing cycles where machinable geometry is offset inward or outward by a percentage of stepover. These toolpaths must run slower feeds and speeds due to the variable widths of cut when entering corners and material.
Waveform technology removes tool load spikes, and maintains an even chip thickness. This allows for a fluid tool motion throughout the cut, with less stress on the tool and machine. Consistent tool loads generated from the Waveform toolpath offer the user the opportunity to rethink speeds, feeds and depths of cut.
 
SURFCAM Evo offers not only best in class prismatic machining capabilities, but also powerful 3D solid and surface machining strategies.

 
Rest Machining
This intelligent cycle can automatically remove areas of excess material left behind by larger tools and depths of cut. Intermediate slices are used to reduce the size of the step left by the roughing cycle. Only the step region is machined with intermediate slices.
Rest roughing allows the use of large tools to clear away the bulk of the material, followed by a smaller tool to remove excess material, thus optimizing cycle times.
 
Parallel Lace
A series of parallel toolpaths are applied to the model to produce a finish part, or used with depths of cut to produce a roughing cycle.
 
Profiling
Profiling commands are essential, not only for 2.5D machining, but also for 3D freeform machining. Profiling is used to finish surfaces with a series of XY profiles that follow the Z-Axis on surfaces and solids. Using the available cusp height control, the toolpath will adjust the depths of cut to maintain a consistent surface finish. Steep and shallow areas can also be controlled, allowing shallow areas to be finished using alternate techniques.
3D profiling can be applied to follow profiles in XY and Z moves, reducing air cut time by following the component’s 3D form. Lead-inand lead-out moves are calculated to avoid any gouging of the component or stock.
 
Projection
When machining 3D forms, specific toolpath patterns may be required, such as circular, radial or spiral, or possibly following flow curves.
Controlling these paths is made easy by creating 2D toolpaths then projecting the patterns onto the part surface. This technique is especially useful for engraving logos and text.
 
Finishing
Constant Cusp machining can be employed to produce an even surface finish on large areas of a mold tool or component. The toolpath continuously adjusts to follow the part surface shape, resulting in a uniform cusp height.
The use of Rest Finishing and Pencil Milling cycles allow the user to machine the internal corners and radii of the model, ensuring the finished component is fully machined with little or no hand finishing.
Many complex parts are not entirely free-form shapes, where simultaneous XYZ movements of the machine tool are required using a ballnose end mill, but include flat areas where a standard end mill would produce a faster toolpath and superior finish. SURFCAM Evo’s Flat Land command will automatically seek out and machine these flat regions effectively.
By combining SURFCAM Evo’s 3D machining cycles with the optional 5-Axis module, comes the capability of converting 3-Axis toolpath into 5-Axis toolpath. This can result in better tool reach and improved cutting conditions.
 
Simulator for 3D
The Machine Simulator offers full simulation of the machine tool and machining process, as well as detecting collisions between machine, holders, and tooling, helping you to :

• Avoid expensive collisions
• Optimize the cutting process
• Avoid costly prove-outs
• Reduce cycle time
•‘ View Comparison ’ identifying areas of un-cut material

 

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