Download HSM Performance Pack

The latest version of HSM Performance Pack supports Mastercam versions X9, 2017 and 2018. A valid license is required to run HSM Performance Pack and a time limited trial license can be aquired by filling out the Request Free Trial form. If you are experiencing problems with the installation, please read the FAQ or contact your local reseller.

Release NotesVersion Archive
  • Change major version number to 19
  • 1780 Add predrill positions to operations
  • 1790 Add "Trimming" option to holder check for pencil
  • 1791 Resize "Machine shallow areas" so it doesn't overlap "Trim shallow areas"
  • 1795 Disable Opening cuts when Allow undercut is disabled
  • 1789 Set minimum cutting radius for Pocket
  • 1777 Add support for theoretical tool in Constant Cut
  • 1794 Fix stepdown in Parallel
  • Update HTKernel
    • Fixed #1062, #1635, #1675, #1766.
    • Fixed some bugs related to zigzag ramp in Pocket/Contour.
    • Performance improvement for zigzag and helical ramp in Pocket/Contour.
    • Fixed bug in trimming. It could cause missed paths or gouges.
    • Fixed bug in 5-axis leads. Might have problem with enabled axial/radial stock to leave.
    • Major update for 5-axis tilt. Better performance and quality. This requires some testing.
    • Fixed #1781.
    • Fixed bug with missing helical ramps in Horizontal.
    • Bug fixes and toolpath quality improvements for Scallop with machining angles.
    • Improved avoid stock algorithm # 1783.
    • Fixed fillets for flat and bull.
    • Improved rest machining on flat areas in Pocket, Horizontal and Contour3D.
    • Fixed bug in 5-axis tilt. Smoothing could be not applied.
    • Fixed flat area issue for undercut in ConstantCut.
    • Fixed possible gouge in transition.
    • Fixed bug in 5-axis tilt. Possible gouges.
    • Various improvements and fixes for undercut roughing.
    • Performance improvements for slicer.

Known issues: 5-axis tilt could produce small spikes. It mainly happens for Pencil and Scallop because of points distribution. I have to improve smoothing. It'll be included in next version.

Please keep a local copy of the installation in case you need to reinstall HSM Performance Pack at a later time. To install HSM Performance Pack you need to have administrator rights on your Windows installation. Please see our Install Guide here.

After installation is complete, we recommend that you add the commonly used HSM Performance Pack functions to your Mastercam toolbar. See our FAQ on how to do this.

The last installed or repaired version of HSM Performance Pack will be active for the Mastercam versions that are supported.


CIMCO License Manager CIMCO License Manager x64
CIMCO License Manager is a generic license manager which provides support for floating licenses on a local area network.

The license manager requires a floating license and only permanent licenses for Mastercam NetHASPs are issued as floating licenses. CIMCO License Manager is not needed for temporary/trial licenses even when bound to NetHASPs.