SURFCAM, Your Milling Software Solution
December
2009
ISSUE 06

Customer Testimonial

Burhoe Machine Works

During the seven years that Burhoe Machine Works has been in business, Aaron Burhoe has relied on SURFCAM. Using the superior 3-axis toolpath generators found in SURFCAM, Burhoe Machine works has been able to quickly and efficiently create molds for the medical, aerospace, and silicon wafer industries as well as custom molds for customers with unique needs. When Aaron first started to expand his business by leaving the small garage and selling the old Bridgeport he had, he decided to invest in SURFCAM and has not regretted a day since.


"I primarily use 3-axis Step Reduction and 3D Offset," says Aaron. "The Step Reduction was like the Holy Grail and when it came out it really helped my machining process." Aaron primarily uses SURFCAM as his CAM system with SolidWorks exclusively as his corresponding CAD program. When asked what he finds to be the most useful aspect of SURFCAM, Aaron loves the speed at which he can work. "With SURFCAM it is easy to import a part, generate a toolpath and then post the G-code." It is this ease and speed that has allowed Burhoe Machine Works to remain highly productive and grow to the size it is today.

Aaron Burhoe


Would you like to enhance your skills and become more productive with SURFCAM? Click Here to see the SURFCAM Training Calendar to find the next training session near you!



Did you know?

SURFCAM's SolidWorks associativity enables users to directly open native SolidWorks files, eliminating the translation process.

Surfware SolidWorks partnership

SURFCAM automatically recognizes any design revisions in the solid model and regenerates only affected toolpaths. Surfware is proud to be a SolidWorks Solutions Partner.



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This Issue:
 

What's New in SURFCAM V5

This release of SURFCAM V5 proves to be one of the most significant releases of SURFCAM for NC programmers who require world class precision and control from a CAM system. This release continues to build on and extend all the new features and enhancements implemented in SURFCAM V4, with the emphases on 'ease of use' to provide maximum gains in multi-axis programming and machining productivity.

New features in SURFCAM V5 include:

TrueMill® — There have been many improvements to Surfware's patented TrueMill technology:

  • The TrueMill slicer has been reworked to return a higher quality toolpath along with faster toolpath calculation times
  • Pocket ordering is now more intelligent to reduce the overall rapid moves
  • For 3-axis TrueMill, slicing is now done in the same manner as Z-rough
  • Users now have the option to turn off "open pocket" cutting. This forces TrueMill to only calculate and cut the internal pockets of a model (see below)
  • TrueMill now has the ability to perform "depth first" cutting. This makes TrueMill cut to the full depth of a region before moving on
  • The interface now has a place for users to enter a separate spindle RPM for the helical entry into the material
  • For users who prefer not to use a helical plunge into the material, TrueMill now supports drilling a pilot hole

Lathe Modifications — There have been many modifications made to Lathe to allow for more productivity:

  • Custom holder and custom tool support
  • Back Face OD Groove, ID comp and ID retract angle corrected
  • Updated Lathe tool databases
  • SCMOD verification files retain orientation between setups
  • Support for Cview turning capability
  • Enhancements to lathe verification too better support both lathe and mill turn operations
  • Auto check has been enabled for lathe tapping
  • Automatic material boundary trimming to the end of the part

4-Axis Enhancement — For 4-axis, an active Cview gnome has been added as a visual reference for the current axis of rotation for the current part and the set axis setting is retained and automatically sets itself upon regeneration.


5-Axis Enhancements — SURFCAM V5 brings many enhancements to 5-axis machining that can simplify and boost production.

      5-Axis Roughing — Additional functionality has been added to convert any 4-5 axis toolpath into a roughing toolpath. Examples of this are Multi-Pass (seen below along a curve and down a port), Plunge Roughing, Morph Pocket, and Depth Cuts.


      5-Axis Multi-Select — The multi-select option is now enabled upon going into 4-5 axis operations.

      5-Axis Surface Extension — Selected surface groups to be cut can be auto extended to avoid having to model surfaces to extend the 4-5 axis cuts.


      5-Axis Tool Cutting Direction Enhancement — Clockwise, Counter-clockwise, Climb and Conventional options have all been enabled and there is an "Enforce Cutting Direction" parameter for the Clockwise (see below) and Counter-clockwise direction options.


      5-Axis User Intuitive Graphics — For each of the options in the tabs for 4-5 axis, graphics have been added to denote what the selected options pertain to and the choices that can be made. See below for an example of a graphic indicating that a planar cut has been selected.


      5-Axis Additional Controls — An additional pannel in the LEADS/LINKS tab allows for more control of the links between passes on 4-5 axis roughing toolpaths (see below). Similarly, the OPTIONS tab now has controls to set the Y-axis machine limit, smooth surface normals, and round corners.


Operations Manager — The Operations Manager has an added check box functionality that allows the user to select the operations that the post can either process or skip.


Transparent Work Plane — A transparent work plane has been added to allow a visual representation of the active Cview in the model space. Users will also be able to control the visibility, size, color, and transparency of the plane.


Multiple Tool Rest Roughing — Users will now have the ability to batch process multiple tools for a single rest roughing operation.


3-Axis Z-Finish — The 3-axis Z-finish now has HSM operation functionality. Classic functionaliity has also been retained.

Additional Enhancements for V5

      Silhouette Boundaries — Silhouette boundaries have been modified to use the surface tolerance value to generate the boundary.

      Write Permissions to the SURFCAM folder — When write permissions are not able to be given to the SURFCAM directory, changes can be made to allow SURFCAM to run properly.

      Spost Configuration Tool — The user interface to the Spost config tool has been updated as well as the Spost engine having been updated to accomodate the new SURFCAM security.


Surfware Tech Tip

Manipulating 4 & 5 Axis Strategies for use in a 3-Axis Machining Environment

Would you like to experience the precision and control of the SURFCAM 4 & 5 Axis Strategies in your 3 Axis Mill?

This can be easily accomplished if you own SURFCAM's 4 & 5 Axis package. By changing a few simple settings you can utilize many of the advanced features of the 4 & 5 Axis Strategies with a 3 Axis approach.

To get any of the multi-axis strategies to function as a 3 Axis cut, all that needs to happen is to limit all of the axial ranges to 90 degrees under the Plane Limiting section of the Vector Control Tab (Shown Below).


With the axes now locked we can use a 5 Axis Swarf operation to handle the wall and fillet of the part shown below, by setting the "Cutting Method" to "Morph Between Two Curves" we are able to generate very nice, continuous, flowing toolpath that conforms to the upper and lower curves without breaking up the path anywhere along the surface. You also gain the control of the Leads/Links Tab giving you all of the surface gap and edge handling abilities of the multi axes paths, which in this case allows us to arc on and off of each pass nicely.


The 5 Axis Cut operation can be used to handle the floor of this part in the same fashion that Swarf was used for the wall. Again using "Morph Between Two Curves" gives us that nice flowing path and this time we will set the "Start-End" option on the "Cut Control" Tab to "Inside-Out."


We will also change the "Links Between Slices" setting to "Blend Spline."


By making these two small changes to the cut strategy we are able to generate a very nice, continuously spiraling path that starts in the center and works outward, handling the floor perfectly.


Keeping the tool off of the wall and fillet is also very easy with the ability to use the multi-axis Gouge Checking feature, giving you much more control over gouge protection that what is available in the 3 Axis strategies.


These are just a few simple examples of how you can use SURFCAM's 4 & 5 Axis Strategies to bring a whole new level of control to your 3 Axis machines.

Thank you,
Surfware Technical Team

For more information or for any questions,
please contact us at: info@surfware.com
or visit us online at: www.surfware.com

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